test

.gitignore

@@ -0,0 +1 @@
+out/*

LICENSE.md

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+# GNU AFFERO GENERAL PUBLIC LICENSE
+
+Version 3, 19 November 2007
+
+Copyright (C) 2007 Free Software Foundation, Inc.
+<https://fsf.org/>
+
+Everyone is permitted to copy and distribute verbatim copies of this
+license document, but changing it is not allowed.
+
+## Preamble
+
+The GNU Affero General Public License is a free, copyleft license for
+software and other kinds of works, specifically designed to ensure
+cooperation with the community in the case of network server software.
+
+The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works. By contrast,
+our General Public Licenses are intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains
+free software for all its users.
+
+When we speak of free software, we are referring to freedom, not
+price. Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
+want it, that you can change the software or use pieces of it in new
+free programs, and that you know you can do these things.
+
+Developers that use our General Public Licenses protect your rights
+with two steps: (1) assert copyright on the software, and (2) offer
+you this License which gives you legal permission to copy, distribute
+and/or modify the software.
+
+A secondary benefit of defending all users' freedom is that
+improvements made in alternate versions of the program, if they
+receive widespread use, become available for other developers to
+incorporate. Many developers of free software are heartened and
+encouraged by the resulting cooperation. However, in the case of
+software used on network servers, this result may fail to come about.
+The GNU General Public License permits making a modified version and
+letting the public access it on a server without ever releasing its
+source code to the public.
+
+The GNU Affero General Public License is designed specifically to
+ensure that, in such cases, the modified source code becomes available
+to the community. It requires the operator of a network server to
+provide the source code of the modified version running there to the
+users of that server. Therefore, public use of a modified version, on
+a publicly accessible server, gives the public access to the source
+code of the modified version.
+
+An older license, called the Affero General Public License and
+published by Affero, was designed to accomplish similar goals. This is
+a different license, not a version of the Affero GPL, but Affero has
+released a new version of the Affero GPL which permits relicensing
+under this license.
+
+The precise terms and conditions for copying, distribution and
+modification follow.
+
+## TERMS AND CONDITIONS
+
+### 0. Definitions.
+
+"This License" refers to version 3 of the GNU Affero General Public
+License.
+
+"Copyright" also means copyright-like laws that apply to other kinds
+of works, such as semiconductor masks.
+
+"The Program" refers to any copyrightable work licensed under this
+License. Each licensee is addressed as "you". "Licensees" and
+"recipients" may be individuals or organizations.
+
+To "modify" a work means to copy from or adapt all or part of the work
+in a fashion requiring copyright permission, other than the making of
+an exact copy. The resulting work is called a "modified version" of
+the earlier work or a work "based on" the earlier work.
+
+A "covered work" means either the unmodified Program or a work based
+on the Program.
+
+To "propagate" a work means to do anything with it that, without
+permission, would make you directly or secondarily liable for
+infringement under applicable copyright law, except executing it on a
+computer or modifying a private copy. Propagation includes copying,
+distribution (with or without modification), making available to the
+public, and in some countries other activities as well.
+
+To "convey" a work means any kind of propagation that enables other
+parties to make or receive copies. Mere interaction with a user
+through a computer network, with no transfer of a copy, is not
+conveying.
+
+An interactive user interface displays "Appropriate Legal Notices" to
+the extent that it includes a convenient and prominently visible
+feature that (1) displays an appropriate copyright notice, and (2)
+tells the user that there is no warranty for the work (except to the
+extent that warranties are provided), that licensees may convey the
+work under this License, and how to view a copy of this License. If
+the interface presents a list of user commands or options, such as a
+menu, a prominent item in the list meets this criterion.
+
+### 1. Source Code.
+
+The "source code" for a work means the preferred form of the work for
+making modifications to it. "Object code" means any non-source form of
+a work.
+
+A "Standard Interface" means an interface that either is an official
+standard defined by a recognized standards body, or, in the case of
+interfaces specified for a particular programming language, one that
+is widely used among developers working in that language.
+
+The "System Libraries" of an executable work include anything, other
+than the work as a whole, that (a) is included in the normal form of
+packaging a Major Component, but which is not part of that Major
+Component, and (b) serves only to enable use of the work with that
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+(kernel, window system, and so on) of the specific operating system
+(if any) on which the executable work runs, or a compiler used to
+produce the work, or an object code interpreter used to run it.
+
+The "Corresponding Source" for a work in object code form means all
+the source code needed to generate, install, and (for an executable
+work) run the object code and to modify the work, including scripts to
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+System Libraries, or general-purpose tools or generally available free
+programs which are used unmodified in performing those activities but
+which are not part of the work. For example, Corresponding Source
+includes interface definition files associated with source files for
+the work, and the source code for shared libraries and dynamically
+linked subprograms that the work is specifically designed to require,
+such as by intimate data communication or control flow between those
+subprograms and other parts of the work.
+
+The Corresponding Source need not include anything that users can
+regenerate automatically from other parts of the Corresponding Source.
+
+The Corresponding Source for a work in source code form is that same
+work.
+
+### 2. Basic Permissions.
+
+All rights granted under this License are granted for the term of
+copyright on the Program, and are irrevocable provided the stated
+conditions are met. This License explicitly affirms your unlimited
+permission to run the unmodified Program. The output from running a
+covered work is covered by this License only if the output, given its
+content, constitutes a covered work. This License acknowledges your
+rights of fair use or other equivalent, as provided by copyright law.
+
+You may make, run and propagate covered works that you do not convey,
+without conditions so long as your license otherwise remains in force.
+You may convey covered works to others for the sole purpose of having
+them make modifications exclusively for you, or provide you with
+facilities for running those works, provided that you comply with the
+terms of this License in conveying all material for which you do not
+control copyright. Those thus making or running the covered works for
+you must do so exclusively on your behalf, under your direction and
+control, on terms that prohibit them from making any copies of your
+copyrighted material outside their relationship with you.
+
+Conveying under any other circumstances is permitted solely under the
+conditions stated below. Sublicensing is not allowed; section 10 makes
+it unnecessary.
+
+### 3. Protecting Users' Legal Rights From Anti-Circumvention Law.
+
+No covered work shall be deemed part of an effective technological
+measure under any applicable law fulfilling obligations under article
+11 of the WIPO copyright treaty adopted on 20 December 1996, or
+similar laws prohibiting or restricting circumvention of such
+measures.
+
+When you convey a covered work, you waive any legal power to forbid
+circumvention of technological measures to the extent such
+circumvention is effected by exercising rights under this License with
+respect to the covered work, and you disclaim any intention to limit
+operation or modification of the work as a means of enforcing, against
+the work's users, your or third parties' legal rights to forbid
+circumvention of technological measures.
+
+### 4. Conveying Verbatim Copies.
+
+You may convey verbatim copies of the Program's source code as you
+receive it, in any medium, provided that you conspicuously and
+appropriately publish on each copy an appropriate copyright notice;
+keep intact all notices stating that this License and any
+non-permissive terms added in accord with section 7 apply to the code;
+keep intact all notices of the absence of any warranty; and give all
+recipients a copy of this License along with the Program.
+
+You may charge any price or no price for each copy that you convey,
+and you may offer support or warranty protection for a fee.
+
+### 5. Conveying Modified Source Versions.
+
+You may convey a work based on the Program, or the modifications to
+produce it from the Program, in the form of source code under the
+terms of section 4, provided that you also meet all of these
+conditions:
+
+-   a) The work must carry prominent notices stating that you modified
+    it, and giving a relevant date.
+-   b) The work must carry prominent notices stating that it is
+    released under this License and any conditions added under
+    section 7. This requirement modifies the requirement in section 4
+    to "keep intact all notices".
+-   c) You must license the entire work, as a whole, under this
+    License to anyone who comes into possession of a copy. This
+    License will therefore apply, along with any applicable section 7
+    additional terms, to the whole of the work, and all its parts,
+    regardless of how they are packaged. This License gives no
+    permission to license the work in any other way, but it does not
+    invalidate such permission if you have separately received it.
+-   d) If the work has interactive user interfaces, each must display
+    Appropriate Legal Notices; however, if the Program has interactive
+    interfaces that do not display Appropriate Legal Notices, your
+    work need not make them do so.
+
+A compilation of a covered work with other separate and independent
+works, which are not by their nature extensions of the covered work,
+and which are not combined with it such as to form a larger program,
+in or on a volume of a storage or distribution medium, is called an
+"aggregate" if the compilation and its resulting copyright are not
+used to limit the access or legal rights of the compilation's users
+beyond what the individual works permit. Inclusion of a covered work
+in an aggregate does not cause this License to apply to the other
+parts of the aggregate.
+
+### 6. Conveying Non-Source Forms.
+
+You may convey a covered work in object code form under the terms of
+sections 4 and 5, provided that you also convey the machine-readable
+Corresponding Source under the terms of this License, in one of these
+ways:
+
+-   a) Convey the object code in, or embodied in, a physical product
+    (including a physical distribution medium), accompanied by the
+    Corresponding Source fixed on a durable physical medium
+    customarily used for software interchange.
+-   b) Convey the object code in, or embodied in, a physical product
+    (including a physical distribution medium), accompanied by a
+    written offer, valid for at least three years and valid for as
+    long as you offer spare parts or customer support for that product
+    model, to give anyone who possesses the object code either (1) a
+    copy of the Corresponding Source for all the software in the
+    product that is covered by this License, on a durable physical
+    medium customarily used for software interchange, for a price no
+    more than your reasonable cost of physically performing this
+    conveying of source, or (2) access to copy the Corresponding
+    Source from a network server at no charge.
+-   c) Convey individual copies of the object code with a copy of the
+    written offer to provide the Corresponding Source. This
+    alternative is allowed only occasionally and noncommercially, and
+    only if you received the object code with such an offer, in accord
+    with subsection 6b.
+-   d) Convey the object code by offering access from a designated
+    place (gratis or for a charge), and offer equivalent access to the
+    Corresponding Source in the same way through the same place at no
+    further charge. You need not require recipients to copy the
+    Corresponding Source along with the object code. If the place to
+    copy the object code is a network server, the Corresponding Source
+    may be on a different server (operated by you or a third party)
+    that supports equivalent copying facilities, provided you maintain
+    clear directions next to the object code saying where to find the
+    Corresponding Source. Regardless of what server hosts the
+    Corresponding Source, you remain obligated to ensure that it is
+    available for as long as needed to satisfy these requirements.
+-   e) Convey the object code using peer-to-peer transmission,
+    provided you inform other peers where the object code and
+    Corresponding Source of the work are being offered to the general
+    public at no charge under subsection 6d.
+
+A separable portion of the object code, whose source code is excluded
+from the Corresponding Source as a System Library, need not be
+included in conveying the object code work.
+
+A "User Product" is either (1) a "consumer product", which means any
+tangible personal property which is normally used for personal,
+family, or household purposes, or (2) anything designed or sold for
+incorporation into a dwelling. In determining whether a product is a
+consumer product, doubtful cases shall be resolved in favor of
+coverage. For a particular product received by a particular user,
+"normally used" refers to a typical or common use of that class of
+product, regardless of the status of the particular user or of the way
+in which the particular user actually uses, or expects or is expected
+to use, the product. A product is a consumer product regardless of
+whether the product has substantial commercial, industrial or
+non-consumer uses, unless such uses represent the only significant
+mode of use of the product.
+
+"Installation Information" for a User Product means any methods,
+procedures, authorization keys, or other information required to
+install and execute modified versions of a covered work in that User
+Product from a modified version of its Corresponding Source. The
+information must suffice to ensure that the continued functioning of
+the modified object code is in no case prevented or interfered with
+solely because modification has been made.
+
+If you convey an object code work under this section in, or with, or
+specifically for use in, a User Product, and the conveying occurs as
+part of a transaction in which the right of possession and use of the
+User Product is transferred to the recipient in perpetuity or for a
+fixed term (regardless of how the transaction is characterized), the
+Corresponding Source conveyed under this section must be accompanied
+by the Installation Information. But this requirement does not apply
+if neither you nor any third party retains the ability to install
+modified object code on the User Product (for example, the work has
+been installed in ROM).
+
+The requirement to provide Installation Information does not include a
+requirement to continue to provide support service, warranty, or
+updates for a work that has been modified or installed by the
+recipient, or for the User Product in which it has been modified or
+installed. Access to a network may be denied when the modification
+itself materially and adversely affects the operation of the network
+or violates the rules and protocols for communication across the
+network.
+
+Corresponding Source conveyed, and Installation Information provided,
+in accord with this section must be in a format that is publicly
+documented (and with an implementation available to the public in
+source code form), and must require no special password or key for
+unpacking, reading or copying.
+
+### 7. Additional Terms.
+
+"Additional permissions" are terms that supplement the terms of this
+License by making exceptions from one or more of its conditions.
+Additional permissions that are applicable to the entire Program shall
+be treated as though they were included in this License, to the extent
+that they are valid under applicable law. If additional permissions
+apply only to part of the Program, that part may be used separately
+under those permissions, but the entire Program remains governed by
+this License without regard to the additional permissions.
+
+When you convey a copy of a covered work, you may at your option
+remove any additional permissions from that copy, or from any part of
+it. (Additional permissions may be written to require their own
+removal in certain cases when you modify the work.) You may place
+additional permissions on material, added by you to a covered work,
+for which you have or can give appropriate copyright permission.
+
+Notwithstanding any other provision of this License, for material you
+add to a covered work, you may (if authorized by the copyright holders
+of that material) supplement the terms of this License with terms:
+
+-   a) Disclaiming warranty or limiting liability differently from the
+    terms of sections 15 and 16 of this License; or
+-   b) Requiring preservation of specified reasonable legal notices or
+    author attributions in that material or in the Appropriate Legal
+    Notices displayed by works containing it; or
+-   c) Prohibiting misrepresentation of the origin of that material,
+    or requiring that modified versions of such material be marked in
+    reasonable ways as different from the original version; or
+-   d) Limiting the use for publicity purposes of names of licensors
+    or authors of the material; or
+-   e) Declining to grant rights under trademark law for use of some
+    trade names, trademarks, or service marks; or
+-   f) Requiring indemnification of licensors and authors of that
+    material by anyone who conveys the material (or modified versions
+    of it) with contractual assumptions of liability to the recipient,
+    for any liability that these contractual assumptions directly
+    impose on those licensors and authors.
+
+All other non-permissive additional terms are considered "further
+restrictions" within the meaning of section 10. If the Program as you
+received it, or any part of it, contains a notice stating that it is
+governed by this License along with a term that is a further
+restriction, you may remove that term. If a license document contains
+a further restriction but permits relicensing or conveying under this
+License, you may add to a covered work material governed by the terms
+of that license document, provided that the further restriction does
+not survive such relicensing or conveying.
+
+If you add terms to a covered work in accord with this section, you
+must place, in the relevant source files, a statement of the
+additional terms that apply to those files, or a notice indicating
+where to find the applicable terms.
+
+Additional terms, permissive or non-permissive, may be stated in the
+form of a separately written license, or stated as exceptions; the
+above requirements apply either way.
+
+### 8. Termination.
+
+You may not propagate or modify a covered work except as expressly
+provided under this License. Any attempt otherwise to propagate or
+modify it is void, and will automatically terminate your rights under
+this License (including any patent licenses granted under the third
+paragraph of section 11).
+
+However, if you cease all violation of this License, then your license
+from a particular copyright holder is reinstated (a) provisionally,
+unless and until the copyright holder explicitly and finally
+terminates your license, and (b) permanently, if the copyright holder
+fails to notify you of the violation by some reasonable means prior to
+60 days after the cessation.
+
+Moreover, your license from a particular copyright holder is
+reinstated permanently if the copyright holder notifies you of the
+violation by some reasonable means, this is the first time you have
+received notice of violation of this License (for any work) from that
+copyright holder, and you cure the violation prior to 30 days after
+your receipt of the notice.
+
+Termination of your rights under this section does not terminate the
+licenses of parties who have received copies or rights from you under
+this License. If your rights have been terminated and not permanently
+reinstated, you do not qualify to receive new licenses for the same
+material under section 10.
+
+### 9. Acceptance Not Required for Having Copies.
+
+You are not required to accept this License in order to receive or run
+a copy of the Program. Ancillary propagation of a covered work
+occurring solely as a consequence of using peer-to-peer transmission
+to receive a copy likewise does not require acceptance. However,
+nothing other than this License grants you permission to propagate or
+modify any covered work. These actions infringe copyright if you do
+not accept this License. Therefore, by modifying or propagating a
+covered work, you indicate your acceptance of this License to do so.
+
+### 10. Automatic Licensing of Downstream Recipients.
+
+Each time you convey a covered work, the recipient automatically
+receives a license from the original licensors, to run, modify and
+propagate that work, subject to this License. You are not responsible
+for enforcing compliance by third parties with this License.
+
+An "entity transaction" is a transaction transferring control of an
+organization, or substantially all assets of one, or subdividing an
+organization, or merging organizations. If propagation of a covered
+work results from an entity transaction, each party to that
+transaction who receives a copy of the work also receives whatever
+licenses to the work the party's predecessor in interest had or could
+give under the previous paragraph, plus a right to possession of the
+Corresponding Source of the work from the predecessor in interest, if
+the predecessor has it or can get it with reasonable efforts.
+
+You may not impose any further restrictions on the exercise of the
+rights granted or affirmed under this License. For example, you may
+not impose a license fee, royalty, or other charge for exercise of
+rights granted under this License, and you may not initiate litigation
+(including a cross-claim or counterclaim in a lawsuit) alleging that
+any patent claim is infringed by making, using, selling, offering for
+sale, or importing the Program or any portion of it.
+
+### 11. Patents.
+
+A "contributor" is a copyright holder who authorizes use under this
+License of the Program or a work on which the Program is based. The
+work thus licensed is called the contributor's "contributor version".
+
+A contributor's "essential patent claims" are all patent claims owned
+or controlled by the contributor, whether already acquired or
+hereafter acquired, that would be infringed by some manner, permitted
+by this License, of making, using, or selling its contributor version,
+but do not include claims that would be infringed only as a
+consequence of further modification of the contributor version. For
+purposes of this definition, "control" includes the right to grant
+patent sublicenses in a manner consistent with the requirements of
+this License.
+
+Each contributor grants you a non-exclusive, worldwide, royalty-free
+patent license under the contributor's essential patent claims, to
+make, use, sell, offer for sale, import and otherwise run, modify and
+propagate the contents of its contributor version.
+
+In the following three paragraphs, a "patent license" is any express
+agreement or commitment, however denominated, not to enforce a patent
+(such as an express permission to practice a patent or covenant not to
+sue for patent infringement). To "grant" such a patent license to a
+party means to make such an agreement or commitment not to enforce a
+patent against the party.
+
+If you convey a covered work, knowingly relying on a patent license,
+and the Corresponding Source of the work is not available for anyone
+to copy, free of charge and under the terms of this License, through a
+publicly available network server or other readily accessible means,
+then you must either (1) cause the Corresponding Source to be so
+available, or (2) arrange to deprive yourself of the benefit of the
+patent license for this particular work, or (3) arrange, in a manner
+consistent with the requirements of this License, to extend the patent
+license to downstream recipients. "Knowingly relying" means you have
+actual knowledge that, but for the patent license, your conveying the
+covered work in a country, or your recipient's use of the covered work
+in a country, would infringe one or more identifiable patents in that
+country that you have reason to believe are valid.
+
+If, pursuant to or in connection with a single transaction or
+arrangement, you convey, or propagate by procuring conveyance of, a
+covered work, and grant a patent license to some of the parties
+receiving the covered work authorizing them to use, propagate, modify
+or convey a specific copy of the covered work, then the patent license
+you grant is automatically extended to all recipients of the covered
+work and works based on it.
+
+A patent license is "discriminatory" if it does not include within the
+scope of its coverage, prohibits the exercise of, or is conditioned on
+the non-exercise of one or more of the rights that are specifically
+granted under this License. You may not convey a covered work if you
+are a party to an arrangement with a third party that is in the
+business of distributing software, under which you make payment to the
+third party based on the extent of your activity of conveying the
+work, and under which the third party grants, to any of the parties
+who would receive the covered work from you, a discriminatory patent
+license (a) in connection with copies of the covered work conveyed by
+you (or copies made from those copies), or (b) primarily for and in
+connection with specific products or compilations that contain the
+covered work, unless you entered into that arrangement, or that patent
+license was granted, prior to 28 March 2007.
+
+Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+### 12. No Surrender of Others' Freedom.
+
+If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License. If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under
+this License and any other pertinent obligations, then as a
+consequence you may not convey it at all. For example, if you agree to
+terms that obligate you to collect a royalty for further conveying
+from those to whom you convey the Program, the only way you could
+satisfy both those terms and this License would be to refrain entirely
+from conveying the Program.
+
+### 13. Remote Network Interaction; Use with the GNU General Public License.
+
+Notwithstanding any other provision of this License, if you modify the
+Program, your modified version must prominently offer all users
+interacting with it remotely through a computer network (if your
+version supports such interaction) an opportunity to receive the
+Corresponding Source of your version by providing access to the
+Corresponding Source from a network server at no charge, through some
+standard or customary means of facilitating copying of software. This
+Corresponding Source shall include the Corresponding Source for any
+work covered by version 3 of the GNU General Public License that is
+incorporated pursuant to the following paragraph.
+
+Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU General Public License into a single
+combined work, and to convey the resulting work. The terms of this
+License will continue to apply to the part which is the covered work,
+but the work with which it is combined will remain governed by version
+3 of the GNU General Public License.
+
+### 14. Revised Versions of this License.
+
+The Free Software Foundation may publish revised and/or new versions
+of the GNU Affero General Public License from time to time. Such new
+versions will be similar in spirit to the present version, but may
+differ in detail to address new problems or concerns.
+
+Each version is given a distinguishing version number. If the Program
+specifies that a certain numbered version of the GNU Affero General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation. If the Program does not specify a version number of the
+GNU Affero General Public License, you may choose any version ever
+published by the Free Software Foundation.
+
+If the Program specifies that a proxy can decide which future versions
+of the GNU Affero General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+Later license versions may give you additional or different
+permissions. However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+### 15. Disclaimer of Warranty.
+
+THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT
+WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND
+PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE
+DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR
+CORRECTION.
+
+### 16. Limitation of Liability.
+
+IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR
+CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
+ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT
+NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR
+LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM
+TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER
+PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+
+### 17. Interpretation of Sections 15 and 16.
+
+If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+END OF TERMS AND CONDITIONS
+
+## How to Apply These Terms to Your New Programs
+
+If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these
+terms.
+
+To do so, attach the following notices to the program. It is safest to
+attach them to the start of each source file to most effectively state
+the exclusion of warranty; and each file should have at least the
+"copyright" line and a pointer to where the full notice is found.
+
+        <one line to give the program's name and a brief idea of what it does.>
+        Copyright (C) <year>  <name of author>
+
+        This program is free software: you can redistribute it and/or modify
+        it under the terms of the GNU Affero General Public License as
+        published by the Free Software Foundation, either version 3 of the
+        License, or (at your option) any later version.
+
+        This program is distributed in the hope that it will be useful,
+        but WITHOUT ANY WARRANTY; without even the implied warranty of
+        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+        GNU Affero General Public License for more details.
+
+        You should have received a copy of the GNU Affero General Public License
+        along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper
+mail.
+
+If your software can interact with users remotely through a computer
+network, you should also make sure that it provides a way for users to
+get its source. For example, if your program is a web application, its
+interface could display a "Source" link that leads users to an archive
+of the code. There are many ways you could offer source, and different
+solutions will be better for different programs; see section 13 for
+the specific requirements.
+
+You should also get your employer (if you work as a programmer) or
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary. For more information on this, and how to apply and follow
+the GNU AGPL, see <https://www.gnu.org/licenses/>.

README.md

@@ -1,2 +1,103 @@
 # oc-lib
 
+oc-lib allows read/write/search operations into the main OpenCloud databases.
+
+It also provides common initialization and configuration utilities for all OpenCloud components
+
+## Usage example in a beego API
+
+```go
+const appname = "oc-mycomponent"
+
+func main() {
+    // Init the oc-lib
+    oclib.Init(appname)
+
+    // Load the right config file
+
+    /*  The configuration loader will load the configuration from the following sources:
+    *  - the environment variables with the prefix OCAPPNAME_ - ex: OCMYCOMPONENT_MONGOURL
+    *  - the file /etc/oc/appname.json - ex: /etc/oc/mycomponent.json
+    *  - the file ./appname.json - ex: ./mycomponent.json
+    *  The configuration loader will merge the configuration from the different sources
+    *  The configuration loader will give priority to the environment variables
+    *  The configuration loader will give priority to the local file over the default file
+    */
+    o := oclib.GetConfLoader()
+
+    // init the local config object
+    models.GetConfig().Port = o.GetIntDefault("port", 8080)
+    models.GetConfig().LokiUrl = o.GetStringDefault("lokiurl", "")
+    models.GetConfig().LogLevel = o.GetStringDefault("loglevel", "info")    
+    models.GetConfig().MongoUrl = o.GetStringDefault("mongourl", "mongodb://127.0.0.1:27017")
+    models.GetConfig().MongoDatabase = o.GetStringDefault("mongodatabase", "myDb")
+    models.GetConfig().NatsUrl = o.GetStringDefault("natsurl", "nats://localhost:4222")
+
+    models.GetConfig().mycomponentparam1 = o.GetStringDefault("mycomponentparam1", "mycomponentdefault1")    
+    models.GetConfig().mycomponentparam2 = o.GetStringDefault("mycomponentparam2", "mycomponentdefault2")
+
+    // feed the library with the loaded config, 
+    // this will also initialize a logger available via oclib.GetLogger()
+	oclib.SetConfig(
+        models.GetConfig().MongoUrl
+        models.GetConfig().MongoDatabase 
+        models.GetConfig().NatsUrl
+        models.GetConfig().LokiUrl
+        models.GetConfig().LogLevel
+	)
+
+    // Beego init
+    beego.BConfig.AppName = appname
+    beego.BConfig.Listen.HTTPPort = models.GetConfig().Port
+    beego.BConfig.WebConfig.DirectoryIndex = true
+    beego.BConfig.WebConfig.StaticDir["/swagger"] = "swagger"
+
+    beego.Run()
+}
+```
+
+## SPECIAL FLOWS IN OC-LIB RESUME :
+
+### WORKFLOW AS ITS OWN WORKSPACE
+
+A workflow on post, put, delete, manage a workspace with resources.
+This workspace is deeply related to workflow by sharing its naming such as : "<workflow_name>_worspace"
+
+### WORKFLOW GENERATE ITS OWN EXECUTION
+
+A workflow on post, put, delete, with a schedule && schedule_active to "true", must manage execution by adding, deleting execution 
+depending on change (update -> involved delete into add)
+
+If schedule_active is set to "false" execution will be deleted.
+
+### WORKFLOW GENERATE ITS OWN BOOKING ON PEERS
+
+A workflow on post, put, delete, with a schedule && schedule_active to "true", must manage booking by adding, deleting execution 
+with http requests on peers
+depending on change (update -> involved delete into add)
+
+If schedule_active is set to "false" booking will be deleted.
+
+### SHARED WORKSPACE : WORSPACE & WORKFLOW
+
+You can create a share workspace with workspace & workflow.
+When a share workspace is post, put, delete it update workspace or workflow <shared> field.
+Workspace can be shared on one share workspace 
+Workflow can be shared in multiple workspace 
+
+### SHARED WORKSPACE SHARE TO PEER
+
+When writing a shared workspace, it set up to date on peers involved in shared workspace
+It create or delete shared workspace in remote peers by http requests on oc-shared  (update -> involved delete into add)
+
+It create or delete workspace involved in shared workspace by http requests on oc-workspace  (update -> involved delete into add)
+It create or delete workflow involved in shared workspace by http requests on oc-workflow (update -> involved delete into add)
+
+### WORKFLOW WRITE BUT SHARED
+
+On delete & update & post, workflow will send to peer in <shared> field by http request on oc-workflow
+
+### WORKSPACE WRITE BUT SHARED
+
+On delete & update & post, workspace will send to peer in <shared> field by http request on oc-workspace
+

calendar.go

@@ -1 +0,0 @@
-package oclib

config/app.go

@@ -0,0 +1,19 @@
+package config
+
+var appname string
+
+// logs.CreateLogger
+// Create a new logger
+// Parameters:
+// - appname: string : the name of the application using oclib
+// - url: string : the url of a loki logger, console log only if ""
+// Returns:
+// - zerolog.Logger : the logger that will log for the library and the app
+
+func SetAppName(name string) {
+	appname = name
+}
+
+func GetAppName() string {
+	return appname
+}

config/conf.go

@@ -0,0 +1,55 @@
+package config
+
+import "sync"
+
+// ===================================================
+//	This class has to be updated everytime
+//	a new configuration variable is defined
+//	in a componant that imports oc-lib
+// ===================================================
+
+type Config struct {
+	NATSUrl       string
+	MongoUrl      string
+	MongoDatabase string
+	Host          string
+	Port          string
+	LokiUrl       string
+	LogLevel      string
+}
+
+func (c Config) GetUrl() string {
+	return c.MongoUrl
+}
+
+func (c Config) GetDatabase() string {
+	return c.MongoDatabase
+}
+
+var instance *Config
+var once sync.Once
+
+func GetConfig() *Config {
+	once.Do(func() {
+		instance = &Config{}
+	})
+	return instance
+}
+
+func SetConfig(mongoUrl string, database string, natsUrl string, lokiUrl string, logLevel string) *Config {
+	/*once.Do(func() {
+		instance = &Config{
+			MongoUrl:      mongoUrl,
+			MongoDatabase: database,
+			NATSUrl:       natsUrl,
+			LokiUrl:       lokiUrl,
+			LogLevel:      logLevel,
+		}
+	})*/
+	GetConfig().MongoUrl = mongoUrl
+	GetConfig().MongoDatabase = database
+	GetConfig().NATSUrl = natsUrl
+	GetConfig().LokiUrl = lokiUrl
+	GetConfig().LogLevel = logLevel
+	return GetConfig()
+}

config/conf_loader.go

@@ -0,0 +1,56 @@
+package config
+
+import (
+	"os"
+	"strings"
+
+	"github.com/goraz/onion"
+	"github.com/rs/zerolog"
+)
+
+/* GetConfLoader
+* Get the configuration loader for the application
+* Parameters:
+* - AppName: string : the name of the application
+* Returns:
+* - *onion.Onion : the configuration loader
+*  The configuration loader will load the configuration from the following sources:
+*  - the environment variables with the prefix APPNAME_
+*  - the file /etc/oc/appname.json
+*  - the file ./appname.json
+*  The configuration loader will merge the configuration from the different sources
+*  The configuration loader will give priority to the environment variables
+*  The configuration loader will give priority to the local file over the default file
+ */
+
+func GetConfLoader() *onion.Onion {
+	logger := zerolog.New(os.Stdout).With().Timestamp().Logger()
+	AppName := GetAppName()
+	EnvPrefix := strings.ToUpper(AppName[0:2]+AppName[3:]) + "_"
+	defaultConfigFile := "/etc/oc/" + AppName[3:] + ".json"
+	localConfigFile := "./" + AppName[3:] + ".json"
+	var configFile string
+	var o *onion.Onion
+	l3 := onion.NewEnvLayerPrefix("_", EnvPrefix)
+	l2, err := onion.NewFileLayer(localConfigFile, nil)
+	if err == nil {
+		logger.Info().Msg("Local config file found " + localConfigFile + ", overriding default file")
+		configFile = localConfigFile
+	}
+	l1, err := onion.NewFileLayer(defaultConfigFile, nil)
+	if err == nil {
+		logger.Info().Msg("Config file found : " + defaultConfigFile)
+		configFile = defaultConfigFile
+	}
+	if configFile == "" {
+		logger.Info().Msg("No config file found, using env")
+		o = onion.New(l3)
+	} else if l1 != nil && l2 != nil {
+		o = onion.New(l1, l2, l3)
+	} else if l1 == nil {
+		o = onion.New(l2, l3)
+	} else if l2 == nil {
+		o = onion.New(l1, l3)
+	}
+	return o
+}

data.go

@@ -1,5 +0,0 @@
-package oclib
-
-type Data struct {
-	Resource
-}

datacenter.go

@@ -1 +0,0 @@
-package oclib

datacenter_workflows.go

@@ -1 +0,0 @@
-package oclib

dbs/dbs.go

@@ -0,0 +1,190 @@
+package dbs
+
+import (
+	"fmt"
+	"strings"
+
+	"go.mongodb.org/mongo-driver/bson"
+)
+
+type Operator int
+
+const (
+	LIKE Operator = iota
+	EXISTS
+	IN
+	GTE
+	LTE
+	LT
+	GT
+	EQUAL
+	NOT
+)
+
+var str = [...]string{
+	"like",
+	"exists",
+	"in",
+	"gte",
+	"lte",
+	"lt",
+	"gt",
+	"equal",
+	"not",
+}
+
+func (m Operator) String() string {
+	return str[m]
+}
+
+func (m Operator) ToMongoEOperator(k string, value interface{}) bson.E {
+	defer func() {
+		if r := recover(); r != nil {
+			fmt.Println("Recovered. Error:\n", r)
+		}
+	}()
+	defaultValue := bson.E{Key: k, Value: bson.M{"$regex": ToValueOperator(StringToOperator(m.String()), value)}}
+	switch m {
+	case LIKE:
+		return bson.E{Key: k, Value: bson.M{"$regex": ToValueOperator(StringToOperator(m.String()), value)}}
+	case EXISTS:
+		return bson.E{Key: k, Value: bson.M{"$exists": ToValueOperator(StringToOperator(m.String()), value)}}
+	case IN:
+		return bson.E{Key: k, Value: bson.M{"$in": ToValueOperator(StringToOperator(m.String()), value)}}
+	case GTE:
+		return bson.E{Key: k, Value: bson.M{"$gte": ToValueOperator(StringToOperator(m.String()), value)}}
+	case GT:
+		return bson.E{Key: k, Value: bson.M{"$gt": ToValueOperator(StringToOperator(m.String()), value)}}
+	case LTE:
+		return bson.E{Key: k, Value: bson.M{"$lte": ToValueOperator(StringToOperator(m.String()), value)}}
+	case LT:
+		return bson.E{Key: k, Value: bson.M{"$lt": ToValueOperator(StringToOperator(m.String()), value)}}
+	case EQUAL:
+		return bson.E{Key: k, Value: value}
+	case NOT:
+		v := value.(Filters)
+		orList := bson.A{}
+		andList := bson.A{}
+		f := bson.D{}
+		for k, filter := range v.Or {
+			for _, ff := range filter {
+				orList = append(orList, StringToOperator(ff.Operator).ToMongoOperator(k, ff.Value))
+			}
+		}
+		for k, filter := range v.And {
+			for _, ff := range filter {
+				andList = append(andList, StringToOperator(ff.Operator).ToMongoOperator(k, ff.Value))
+			}
+		}
+		if len(orList) > 0 && len(andList) == 0 {
+			f = bson.D{{"$or", orList}}
+		} else {
+			if len(orList) > 0 {
+				andList = append(andList, bson.M{"$or": orList})
+			}
+			f = bson.D{{"$and", andList}}
+		}
+		return bson.E{Key: "$not", Value: f}
+	default:
+		return defaultValue
+	}
+}
+
+func (m Operator) ToMongoOperator(k string, value interface{}) bson.M {
+	defer func() {
+		if r := recover(); r != nil {
+			fmt.Println("Recovered. Error:\n", r)
+		}
+	}()
+	defaultValue := bson.M{k: bson.M{"$regex": ToValueOperator(StringToOperator(m.String()), value)}}
+	switch m {
+	case LIKE:
+		return bson.M{k: bson.M{"$regex": ToValueOperator(StringToOperator(m.String()), value)}}
+	case EXISTS:
+		return bson.M{k: bson.M{"$exists": ToValueOperator(StringToOperator(m.String()), value)}}
+	case IN:
+		return bson.M{k: bson.M{"$in": ToValueOperator(StringToOperator(m.String()), value)}}
+	case GTE:
+		return bson.M{k: bson.M{"$gte": ToValueOperator(StringToOperator(m.String()), value)}}
+	case GT:
+		return bson.M{k: bson.M{"$gt": ToValueOperator(StringToOperator(m.String()), value)}}
+	case LTE:
+		return bson.M{k: bson.M{"$lte": ToValueOperator(StringToOperator(m.String()), value)}}
+	case LT:
+		return bson.M{k: bson.M{"$lt": ToValueOperator(StringToOperator(m.String()), value)}}
+	case EQUAL:
+		return bson.M{k: value}
+	case NOT:
+		v := value.(Filters)
+		orList := bson.A{}
+		andList := bson.A{}
+		f := bson.D{}
+		for k, filter := range v.Or {
+			for _, ff := range filter {
+				orList = append(orList, StringToOperator(ff.Operator).ToMongoOperator(k, ff.Value))
+			}
+		}
+		for k, filter := range v.And {
+			for _, ff := range filter {
+				andList = append(andList, StringToOperator(ff.Operator).ToMongoOperator(k, ff.Value))
+			}
+		}
+		if len(orList) > 0 && len(andList) == 0 {
+			f = bson.D{{"$or", orList}}
+		} else {
+			if len(orList) > 0 {
+				andList = append(andList, bson.M{"$or": orList})
+			}
+			f = bson.D{{"$and", andList}}
+		}
+		return bson.M{"$not": f}
+	default:
+		return defaultValue
+	}
+}
+
+func StringToOperator(s string) Operator {
+	for i, v := range str {
+		if v == s {
+			return Operator(i)
+		}
+	}
+	return LIKE
+}
+
+func ToValueOperator(operator Operator, value interface{}) interface{} {
+	if strings.TrimSpace(fmt.Sprintf("%v", value)) == "*" {
+		value = ""
+	}
+	if operator == LIKE {
+		return "(?i).*" + strings.TrimSpace(fmt.Sprintf("%v", value)) + ".*"
+	}
+	return value
+}
+
+type Filters struct {
+	And map[string][]Filter `json:"and"`
+	Or  map[string][]Filter `json:"or"`
+}
+
+type Filter struct {
+	Operator string      `json:"operator,omitempty"`
+	Value    interface{} `json:"value,omitempty"`
+}
+
+type Input = map[string]interface{}
+
+func InputToBson(i Input, isUpdate bool) bson.D {
+	input := bson.D{}
+	for k, v := range i {
+		if k == "id" {
+			input = append(input, bson.E{Key: "_id", Value: v})
+		} else {
+			input = append(input, bson.E{Key: k, Value: v})
+		}
+	}
+	if isUpdate {
+		return bson.D{{Key: "$set", Value: input}}
+	}
+	return input
+}

dbs/mongo/mongo.go

@@ -0,0 +1,365 @@
+package mongo
+
+import (
+	"context"
+	"errors"
+	"slices"
+	"time"
+
+	"cloud.o-forge.io/core/oc-lib/dbs"
+	"cloud.o-forge.io/core/oc-lib/logs"
+	"github.com/rs/zerolog"
+
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/mongo"
+	"go.mongodb.org/mongo-driver/mongo/options"
+)
+
+var (
+	mngoClient          *mongo.Client
+	mngoDB              *mongo.Database
+	MngoCtx             context.Context
+	cancel              context.CancelFunc
+	isConnected         bool
+	existingCollections []string
+	mngoCollections     []string
+	mngoConfig          MongoConf
+	ResourceMap         map[string]interface{}
+)
+
+var MONGOService = MongoDB{}
+
+type MongoConf interface {
+	GetUrl() string
+	GetDatabase() string
+}
+
+type MongoDB struct {
+	Logger zerolog.Logger
+}
+
+func (m *MongoDB) Init(collections []string, config MongoConf) {
+	// var baseConfig string
+	isConnected = false
+	m.Logger = logs.GetLogger()
+	ResourceMap = make(map[string]interface{})
+
+	m.Logger.Info().Msg("Connecting to" + config.GetUrl())
+	mngoCollections = collections
+	mngoConfig = config
+	if err := m.createClient(config.GetUrl(), false); err != nil {
+		m.Logger.Error().Msg(err.Error())
+	}
+}
+
+func (m *MongoDB) TestDB(config MongoConf) error {
+	err := m.createClient(config.GetUrl(), true)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+func (m *MongoDB) TestCollections(config MongoConf, neededCols []string) error {
+	mngoDB = mngoClient.Database(config.GetDatabase())
+	MngoCtx, cancel = context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	existingCollections, err := mngoDB.ListCollectionNames(MngoCtx, bson.D{})
+	if err != nil {
+		return errors.New("Error contacting MongoDB\n" + err.Error())
+	}
+	for _, col := range neededCols {
+		if slices.Contains(existingCollections, col) {
+			continue
+		}
+		return errors.New("Collection " + col + " not found")
+	}
+	return nil
+}
+
+func (m *MongoDB) createClient(MongoURL string, test bool) error {
+	if mngoClient != nil {
+		return nil
+	}
+	var err error
+	// Allows us to use marshal and unmarshall with results of FindOne() and others
+	bsonOpts := &options.BSONOptions{
+		UseJSONStructTags: true,
+		NilSliceAsEmpty:   true,
+	}
+	MngoCtx, cancel = context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	clientOptions := options.Client().ApplyURI(MongoURL).SetBSONOptions(bsonOpts)
+	// Ping the primary
+	if mngoClient, err = mongo.Connect(MngoCtx, clientOptions); err != nil || mngoClient == nil {
+		mngoClient = nil
+		isConnected = false
+		return errors.New("Mongodb connect " + MongoURL + ":" + err.Error())
+	}
+	MngoCtx, cancel = context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	if err = mngoClient.Ping(MngoCtx, nil); err != nil {
+		mngoClient = nil
+		isConnected = false
+		return errors.New("Mongodb ping " + MongoURL + ":" + err.Error())
+	}
+	if !isConnected && mngoClient != nil && !test {
+		m.Logger.Info().Msg("Connecting mongo client to db " + mngoConfig.GetDatabase())
+		m.prepareDB(mngoCollections, mngoConfig)
+		m.Logger.Info().Msg("Database is READY")
+	}
+	return nil
+}
+
+func (m *MongoDB) prepareDB(list_collection []string, config MongoConf) {
+	var err error
+	mngoDB = mngoClient.Database(config.GetDatabase())
+	MngoCtx, cancel = context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	existingCollections, err = mngoDB.ListCollectionNames(MngoCtx, bson.D{})
+	if err != nil {
+		m.Logger.Fatal().Msg("Error contacting MongoDB\n" + err.Error())
+	}
+	collectionMap := make(map[string]bool)
+	for _, name := range existingCollections {
+		collectionMap[name] = true
+	}
+	// Only do the collection definition process if it doesn't already exists
+	// we add the collection to the collection map from mongo/mongo_utils to provide faster access to the collection
+	for _, collection_name := range list_collection {
+		new_collection := mngoDB.Collection(collection_name)
+		if _, exists := collectionMap[collection_name]; !exists {
+			m.createCollection(collection_name, new_collection)
+		} else {
+			CollectionMap[collection_name] = new_collection
+		}
+	}
+	isConnected = true
+}
+
+// Creates the collection with index specified in mongo/mongo_collections
+// or use the basic collection creation function
+func (m *MongoDB) createCollection(collection_name string, new_collection *mongo.Collection) {
+	MngoCtx, cancel = context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	var err error
+	CollectionMap[collection_name] = new_collection
+	_, exists := IndexesMap[collection_name]
+	if exists {
+		if _, err = new_collection.Indexes().CreateMany(MngoCtx, IndexesMap[collection_name]); err != nil {
+			var cmdErr mongo.CommandError
+			if errors.As(err, &cmdErr) && cmdErr.Code != 85 {
+				m.Logger.Fatal().Msg("Error creating indexes for " + collection_name + " collection : \n" + err.Error())
+				panic(err)
+			} else if !errors.As(err, &cmdErr) {
+				m.Logger.Fatal().Msg("Unexpected error: " + err.Error())
+				panic(err)
+			}
+		}
+	} else {
+		mngoDB.CreateCollection(MngoCtx, collection_name)
+	}
+
+}
+
+func (m *MongoDB) DeleteOne(id string, collection_name string) (int64, int, error) {
+	if err := m.createClient(mngoConfig.GetUrl(), false); err != nil {
+		return 0, 503, err
+	}
+	filter := bson.M{"_id": id}
+	targetDBCollection := CollectionMap[collection_name]
+	opts := options.Delete().SetHint(bson.D{{Key: "_id", Value: 1}})
+	MngoCtx, cancel = context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	result, err := targetDBCollection.DeleteOne(MngoCtx, filter, opts)
+	if err != nil {
+		m.Logger.Error().Msg("Couldn't insert resource: " + err.Error())
+		return 0, 404, err
+	}
+	return result.DeletedCount, 200, nil
+}
+
+func (m *MongoDB) DeleteMultiple(f map[string]interface{}, collection_name string) (int64, int, error) {
+	if err := m.createClient(mngoConfig.GetUrl(), false); err != nil {
+		return 0, 503, err
+	}
+	filter := bson.D{}
+	for k, v := range f {
+		filter = append(filter, bson.E{Key: k, Value: v})
+	}
+	targetDBCollection := CollectionMap[collection_name]
+	opts := options.Delete().SetHint(bson.D{{Key: "_id", Value: 1}})
+	MngoCtx, cancel = context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	result, err := targetDBCollection.DeleteMany(MngoCtx, filter, opts)
+	if err != nil {
+		m.Logger.Error().Msg("Couldn't insert resource: " + err.Error())
+		return 0, 404, err
+	}
+	return result.DeletedCount, 200, nil
+}
+
+func (m *MongoDB) UpdateMultiple(set interface{}, filter map[string]interface{}, collection_name string) (int64, int, error) {
+	if err := m.createClient(mngoConfig.GetUrl(), false); err != nil {
+		return 0, 503, err
+	}
+	var doc map[string]interface{}
+	b, _ := bson.Marshal(set)
+	bson.Unmarshal(b, &doc)
+	f := bson.D{}
+	for k, v := range filter {
+		f = append(f, bson.E{Key: k, Value: v})
+	}
+	targetDBCollection := CollectionMap[collection_name]
+	MngoCtx, cancel = context.WithTimeout(context.Background(), 50*time.Second)
+	defer cancel()
+	res, err := targetDBCollection.UpdateMany(MngoCtx, f, dbs.InputToBson(doc, true))
+	if err != nil {
+		m.Logger.Error().Msg("Couldn't update resource: " + err.Error())
+		return 0, 404, err
+	}
+	return res.UpsertedCount, 200, nil
+}
+
+func (m *MongoDB) UpdateOne(set interface{}, id string, collection_name string) (string, int, error) {
+	if err := m.createClient(mngoConfig.GetUrl(), false); err != nil {
+		return "", 503, err
+	}
+	var doc map[string]interface{}
+	b, _ := bson.Marshal(set)
+	bson.Unmarshal(b, &doc)
+	filter := bson.M{"_id": id}
+	targetDBCollection := CollectionMap[collection_name]
+	MngoCtx, cancel = context.WithTimeout(context.Background(), 50*time.Second)
+	defer cancel()
+	_, err := targetDBCollection.UpdateOne(MngoCtx, filter, dbs.InputToBson(doc, true))
+	if err != nil {
+		m.Logger.Error().Msg("Couldn't update resource: " + err.Error())
+		return "", 404, err
+	}
+	return id, 200, nil
+}
+
+func (m *MongoDB) StoreOne(obj interface{}, id string, collection_name string) (string, int, error) {
+	if err := m.createClient(mngoConfig.GetUrl(), false); err != nil {
+		return "", 503, err
+	}
+	var doc map[string]interface{}
+	b, _ := bson.Marshal(obj)
+	bson.Unmarshal(b, &doc)
+	doc["_id"] = id
+	targetDBCollection := CollectionMap[collection_name]
+	MngoCtx, cancel = context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	_, err := targetDBCollection.InsertOne(MngoCtx, doc)
+	if err != nil {
+		m.Logger.Error().Msg("Couldn't insert resource: " + err.Error())
+		return "", 409, err
+	}
+
+	return id, 200, nil
+}
+
+func (m *MongoDB) LoadOne(id string, collection_name string) (*mongo.SingleResult, int, error) {
+	if err := m.createClient(mngoConfig.GetUrl(), false); err != nil {
+		return nil, 503, err
+	}
+	filter := bson.M{"_id": id}
+	targetDBCollection := CollectionMap[collection_name]
+	MngoCtx, cancel = context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	res := targetDBCollection.FindOne(MngoCtx, filter)
+	if res.Err() != nil {
+		m.Logger.Error().Msg("Couldn't find resource " + id + ". Error : " + res.Err().Error())
+		err := res.Err()
+		return nil, 404, err
+	}
+	return res, 200, nil
+}
+
+func (m *MongoDB) Search(filters *dbs.Filters, collection_name string) (*mongo.Cursor, int, error) {
+	if err := m.createClient(mngoConfig.GetUrl(), false); err != nil {
+		return nil, 503, err
+	}
+	opts := options.Find()
+	opts.SetLimit(100)
+	targetDBCollection := CollectionMap[collection_name]
+	orList := bson.A{}
+	andList := bson.A{}
+	f := bson.D{}
+	if filters != nil {
+		for k, filter := range filters.Or {
+			for _, ff := range filter {
+				orList = append(orList, dbs.StringToOperator(ff.Operator).ToMongoOperator(k, ff.Value))
+			}
+		}
+		for k, filter := range filters.And {
+			for _, ff := range filter {
+				andList = append(andList, dbs.StringToOperator(ff.Operator).ToMongoOperator(k, ff.Value))
+			}
+		}
+		if len(orList) > 0 && len(andList) == 0 {
+			f = bson.D{{"$or", orList}}
+		} else {
+			if len(orList) > 0 {
+				andList = append(andList, bson.M{"$or": orList})
+			}
+			f = bson.D{{"$and", andList}}
+		}
+	}
+
+	MngoCtx, cancel = context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	if cursor, err := targetDBCollection.Find(
+		MngoCtx,
+		f,
+		opts,
+	); err != nil {
+		return nil, 404, err
+	} else {
+		return cursor, 200, nil
+	}
+}
+
+func (m *MongoDB) LoadFilter(filter map[string]interface{}, collection_name string) (*mongo.Cursor, int, error) {
+	if err := m.createClient(mngoConfig.GetUrl(), false); err != nil {
+		return nil, 503, err
+	}
+	f := bson.D{}
+	for k, v := range filter {
+		f = append(f, bson.E{Key: k, Value: v})
+	}
+	targetDBCollection := CollectionMap[collection_name]
+
+	MngoCtx, cancel = context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	res, err := targetDBCollection.Find(MngoCtx, f)
+	if err != nil {
+		m.Logger.Error().Msg("Couldn't find any resources. Error : " + err.Error())
+		return nil, 404, err
+	}
+	return res, 200, nil
+}
+
+func (m *MongoDB) LoadAll(collection_name string) (*mongo.Cursor, int, error) {
+	if err := m.createClient(mngoConfig.GetUrl(), false); err != nil {
+		return nil, 503, err
+	}
+	targetDBCollection := CollectionMap[collection_name]
+
+	MngoCtx, cancel = context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+
+	res, err := targetDBCollection.Find(MngoCtx, bson.D{})
+	if err != nil {
+		m.Logger.Error().Msg("Couldn't find any resources. Error : " + err.Error())
+		return nil, 404, err
+	}
+	return res, 200, nil
+}

dbs/mongo/mongo_utils.go

@@ -0,0 +1,55 @@
+package mongo
+
+import (
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"go.mongodb.org/mongo-driver/mongo"
+)
+
+// Will store the created collection object for a faster access
+var CollectionMap map[string]*mongo.Collection
+var IndexesMap map[string][]mongo.IndexModel
+
+func init() {
+	CollectionMap = make(map[string]*mongo.Collection)
+	IndexesMap = make(map[string][]mongo.IndexModel)
+
+	IndexesMap["data"] = append(IndexesMap["data"], mongo.IndexModel{Keys: bson.D{
+		{Key: "description", Value: "text"},
+		{Key: "example", Value: "text"}},
+	})
+
+	IndexesMap["compute"] = append(IndexesMap["compute"], mongo.IndexModel{Keys: bson.D{
+		{Key: "description", Value: "text"},
+		{Key: "example", Value: "text"},
+		{Key: "owner", Value: "text"}},
+	})
+
+	IndexesMap["storage"] = append(IndexesMap["storage"], mongo.IndexModel{Keys: bson.D{
+		{Key: "description", Value: "text"},
+		{Key: "example", Value: "text"}},
+	})
+
+	IndexesMap["processing"] = append(IndexesMap["processing"], mongo.IndexModel{Keys: bson.D{
+		{Key: "description", Value: "text"},
+		{Key: "example", Value: "text"},
+		{Key: "owner", Value: "text"},
+	},
+	})
+
+	IndexesMap["workflow"] = append(IndexesMap["workflow"], mongo.IndexModel{Keys: bson.D{
+		{Key: "description", Value: "text"},
+		{Key: "example", Value: "text"},
+		{Key: "owner", Value: "text"},
+	},
+	})
+
+}
+
+func GetObjIDFromString(id string) interface{} {
+	objectID, err := primitive.ObjectIDFromHex(id)
+	if err == nil {
+		return objectID
+	}
+	return id
+}

doc/model.puml

@@ -1,22 +1,22 @@
 @startuml oclib
 
 
-abstract Ressource {
+abstract Resource{
-    +id: int
+    +UUID: int
     +name: string
     +icon: string
     +description: string
     +graphic: GraphicElement
-    +element: Data/Processing/Storage/Workflow/Datacenter
+    +element: DataResource/ProcessingResource/StorageResource/Workflow/DatacenterResource
 }
 
-class Data {
+class DataResource {
-    +id: int
+    +UUID: int
     +name: string
 }
 
-class Processing {
+class ProcessingResource {
-    +id: int
+    +UUID: int
     +name: string
     +container: string
     +command: int
@@ -24,110 +24,154 @@ class Processing {
 
 }
 
-class Storage {
+class StorageResource {
-    +id: int
+    +UUID: int
     +name: string
     +url: string
     +capacity: int
 }
 
-class Datacenter {
+class DatacenterResource {
-    +id: int
+    +UUID: int
     +name: string
 
 }
 
 class Workflow {
-    +id: int
+    +UUID: int
     +name: string
 }
 
 class ResourceSet {
-    +id: int
+    +UUID: int
     +name: string
     +ressources: Ressource[]
 }
 
 class WorkflowSchedule {
-    +id: int
+    +UUID: int
     +start: date
     +end: date
     +cron : string
 }
 
 class Graph {
-    +id: int
+    +UUID: int
-    +ressources: map[GraphicElement.ID]Ressource 
+    +ressources: map[GraphicElement.UUID]Resource
     +links: Link[] 
 }
 
 class Link {
-    +id: int
+    +UUID: int
-    +source: GraphicElement.ID
+    +source: GraphicElement.UUID
-    +target: GraphicElement.ID
+    +target: GraphicElement.UUID
     +graphic: GraphicLink
 }
 
 class GraphicLink {
-    +id: int
+    +UUID: int
     +startXY: coord
     +endXY: coord
     +style: string
 }   
 
 class GraphicElement {
-    +id: int
+    +UUID: int
     +style: string
     +xy: coord
 }
 
 class Calendar {
-    +id: int
+    +UUID: int
     +name: string
     +workflows: Workflow[]
     +owner: string
 }  
 
 class UserWorkflows {
-    +id: int
+    +UUID: int
     +user: string
     +workflows: Workflow[]
 }   
 
 class DatacenterWorkflows {
-    +id: int
+    +UUID: int
-    +datacenter: Datacenter
+    +datacenter: DatacenterResource
     +workflows: Workflow[]
 }   
 
 class Graph {
-    +id: int
+    +UUID: int
     +graph: Graph
     +workflows: Workflow[]
 }
 
 
+class Workspace {
+    +UUID: int
+    +name: string
+    +resources: ResourceSet[]
+    +peers: Peer[]
+}
+
+class Peer {
+    +UUID: int
+    +name: string
+    +url: string
+}
+
+class SharedWorkspace {
+    +UUID: int
+    +name: string
+    +version: string
+    +description: string
+    +attributes: map[string]string
+    +workspaces: Workspace[]
+    +workflows: Workflow[]
+    +peers: Peer[]
+}
+
+class RuleSet {
+    +UUID: int
+    +name: string
+    +description: string
+    +rules: Rule[]
+}
+class Rule {
+    +UUID: int
+    +name: string
+    +description: string
+    +condition: string
+    +action: string
+}
+
+SharedWorkspace "1" o-- "0..*" Workspace
+SharedWorkspace "1" o-- "0..*" Peer
+Workspace "1" o-- "0..*" ResourceSet
+Peer -- Resource
+RuleSet "1" o-- "0..*" Rule
+SharedWorkspace -- RuleSet
 
 UserWorkflows "1" o-- "0..*" Workflow
 
 DatacenterWorkflows "1" o-- "0..*" Workflow
 
-Ressource <|-- Data
+Resource<|-- DataResource
-Ressource <|-- Processing
+Resource<|-- ProcessingResource
-Ressource <|-- Storage
+Resource<|-- StorageResource
-Ressource <|-- Datacenter
+Resource<|-- DatacenterResource
-Ressource <|-- Workflow
+Resource<|-- Workflow
 
 ResourceSet "1" o-- "0..*" Ressource
 
 Workflow "1" o-- "0..*" ResourceSet
-Workflow "1" o-- "0..*" WorkflowSchedule
+Workflow "1" o-- "0..1" WorkflowSchedule
 Workflow "1" o-- "0..*" Graph
 
 Graph "1" o-- "0..*" Resources
 Graph "1" o-- "0..*" Link
 
-Ressource --o GraphicElement
+Resource--o GraphicElement
 Link -- GraphicLink
 
 

entrypoint.go

@@ -0,0 +1,493 @@
+package oclib
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+
+	"runtime/debug"
+
+	"cloud.o-forge.io/core/oc-lib/config"
+	"cloud.o-forge.io/core/oc-lib/dbs"
+	"cloud.o-forge.io/core/oc-lib/dbs/mongo"
+	"cloud.o-forge.io/core/oc-lib/logs"
+	"cloud.o-forge.io/core/oc-lib/models"
+	"cloud.o-forge.io/core/oc-lib/models/collaborative_area"
+	"cloud.o-forge.io/core/oc-lib/models/collaborative_area/rules/rule"
+	"cloud.o-forge.io/core/oc-lib/models/peer"
+	"cloud.o-forge.io/core/oc-lib/models/resource_model"
+	"cloud.o-forge.io/core/oc-lib/models/resources/compute"
+	"cloud.o-forge.io/core/oc-lib/models/resources/data"
+	"cloud.o-forge.io/core/oc-lib/models/resources/processing"
+	"cloud.o-forge.io/core/oc-lib/models/resources/storage"
+	w "cloud.o-forge.io/core/oc-lib/models/resources/workflow"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	w2 "cloud.o-forge.io/core/oc-lib/models/workflow"
+	"cloud.o-forge.io/core/oc-lib/models/workflow_execution"
+	"cloud.o-forge.io/core/oc-lib/models/workspace"
+	"cloud.o-forge.io/core/oc-lib/tools"
+	beego "github.com/beego/beego/v2/server/web"
+	"github.com/beego/beego/v2/server/web/context"
+	"github.com/goraz/onion"
+	"github.com/rs/zerolog"
+)
+
+type Filters = dbs.Filters
+
+type LibDataEnum int
+
+// init accessible constant to retrieve data from the database
+const (
+	INVALID             LibDataEnum = iota
+	DATA_RESOURCE                   = tools.DATA_RESOURCE
+	PROCESSING_RESOURCE             = tools.PROCESSING_RESOURCE
+	STORAGE_RESOURCE                = tools.STORAGE_RESOURCE
+	COMPUTE_RESOURCE                = tools.COMPUTE_RESOURCE
+	WORKFLOW_RESOURCE               = tools.WORKFLOW_RESOURCE
+	WORKFLOW                        = tools.WORKFLOW
+	WORKSPACE                       = tools.WORKSPACE
+	WORKFLOW_EXECUTION              = tools.WORKFLOW_EXECUTION
+	PEER                            = tools.PEER
+	SHARED_WORKSPACE                = tools.COLLABORATIVE_AREA
+	RULE                            = tools.RULE
+	BOOKING                         = tools.BOOKING
+)
+
+// will turn into standards api hostnames
+func (d LibDataEnum) API() string {
+	return tools.DefaultAPI[d]
+}
+
+// will turn into standards name
+func (d LibDataEnum) String() string {
+	return tools.Str[d]
+}
+
+// will turn into enum index
+func (d LibDataEnum) EnumIndex() int {
+	return int(d)
+}
+
+func IsQueryParamsEquals(input *context.BeegoInput, name string, val interface{}) bool {
+	path := strings.Split(input.URI(), "?")
+	if len(path) >= 2 {
+		uri := strings.Split(path[1], "&")
+		for _, val := range uri {
+			kv := strings.Split(val, "=")
+			if kv[0] == name && fmt.Sprintf("%v", val) == kv[1] {
+				return true
+			}
+		}
+	}
+	return false
+}
+
+// model to define the shallow data structure
+type LibDataShallow struct {
+	Data []utils.ShallowDBObject `bson:"data" json:"data"`
+	Code int                     `bson:"code" json:"code"`
+	Err  string                  `bson:"error" json:"error"`
+}
+
+// model to define the data structure
+type LibData struct {
+	Data utils.DBObject `bson:"data" json:"data"`
+	Code int            `bson:"code" json:"code"`
+	Err  string         `bson:"error" json:"error"`
+}
+
+func InitDaemon(appName string) {
+	config.SetAppName(appName) // set the app name to the logger to define the main log chan
+	// create a temporary console logger for init
+	logs.SetLogger(logs.CreateLogger("main"))
+	// Load the right config file
+	o := GetConfLoader()
+
+	// feed the library with the loaded config
+	SetConfig(
+		o.GetStringDefault("MONGO_URL", "mongodb://127.0.0.1:27017"),
+		o.GetStringDefault("MONGO_DATABASE", "DC_myDC"),
+		o.GetStringDefault("NATS_URL", "nats://localhost:4222"),
+		o.GetStringDefault("LOKI_URL", ""),
+		o.GetStringDefault("LOG_LEVEL", "info"),
+	)
+	// Beego init
+	beego.BConfig.AppName = appName
+	beego.BConfig.Listen.HTTPPort = o.GetIntDefault("port", 8080)
+	beego.BConfig.WebConfig.DirectoryIndex = true
+	beego.BConfig.WebConfig.StaticDir["/swagger"] = "swagger"
+}
+
+func Init(appName string) {
+	InitDaemon(appName)
+	api := &tools.API{}
+	api.Discovered(beego.BeeApp.Handlers.GetAllControllerInfo())
+}
+
+//
+// Expose subpackages
+//
+
+/* GetLogger returns the main logger
+* @return zerolog.Logger
+ */
+func GetLogger() zerolog.Logger {
+	return logs.GetLogger()
+}
+
+/* SetConfig will set the config and create a logger according to app configuration and initialize mongo accessor
+* @param url string
+* @param database string
+* @param natsUrl string
+* @param lokiUrl string
+* @param logLevel string
+* @return *Config
+ */
+func SetConfig(mongoUrl string, database string, natsUrl string, lokiUrl string, logLevel string) *config.Config {
+	cfg := config.SetConfig(mongoUrl, database, natsUrl, lokiUrl, logLevel)
+	defer func() {
+		if r := recover(); r != nil {
+			tools.UncatchedError = append(tools.UncatchedError, errors.New("Panic recovered in Init : "+fmt.Sprintf("%v", r)+" - "+string(debug.Stack())))
+			fmt.Printf("Panic recovered in Init : %v - %v\n", r, string(debug.Stack()))
+		}
+	}()
+	logs.CreateLogger("main")
+	mongo.MONGOService.Init(models.GetModelsNames(), config.GetConfig()) // init the mongo service
+	/*
+		Here we will check if the resource model is already stored in the database
+		If not we will store it
+		Resource model is the model that will define the structure of the resources
+	*/
+	accessor := (&resource_model.ResourceModel{}).GetAccessor(nil)
+	for _, model := range []string{tools.DATA_RESOURCE.String(), tools.PROCESSING_RESOURCE.String(), tools.STORAGE_RESOURCE.String(), tools.COMPUTE_RESOURCE.String(), tools.WORKFLOW_RESOURCE.String()} {
+		data, code, _ := accessor.Search(nil, model)
+		if code == 404 || len(data) == 0 {
+			refs := map[string]string{}
+			m := map[string]resource_model.Model{}
+			// TODO Specify the model for each resource
+			// for now only processing is specified here (not an elegant way)
+			if model == tools.DATA_RESOURCE.String() || model == tools.STORAGE_RESOURCE.String() {
+				refs["path"] = "string"
+			}
+			if model == tools.PROCESSING_RESOURCE.String() {
+				m["command"] = resource_model.Model{
+					Type:     "string",
+					ReadOnly: false,
+				}
+				m["args"] = resource_model.Model{
+					Type:     "string",
+					ReadOnly: false,
+				}
+				m["env"] = resource_model.Model{
+					Type:     "string",
+					ReadOnly: false,
+				}
+				m["volumes"] = resource_model.Model{
+					Type:     "map[string]string",
+					ReadOnly: false,
+				}
+			}
+			accessor.StoreOne(&resource_model.ResourceModel{
+				ResourceType: model,
+				VarRefs:      refs,
+				Model: map[string]map[string]resource_model.Model{
+					"container": m,
+				},
+			})
+		}
+	}
+	return cfg
+}
+
+/* GetConfig will get the config
+* @return *Config
+ */
+func GetConfig() *config.Config {
+	return config.GetConfig()
+}
+
+/* GetConfLoader
+* Get the configuration loader for the application
+* Parameters:
+* - AppName: string : the name of the application
+* Returns:
+* - *onion.Onion : the configuration loader
+*  The configuration loader will load the configuration from the following sources:
+*  - the environment variables with the prefix OCAPPNAME_
+*  - the file /etc/oc/appname.json
+*  - the file ./appname.json
+*  The configuration loader will merge the configuration from the different sources
+*  The configuration loader will give priority to the environment variables
+*  The configuration loader will give priority to the local file over the default file
+ */
+
+func GetConfLoader() *onion.Onion {
+	return config.GetConfLoader()
+}
+
+/*
+* Search will search for the data in the database
+* @param filters *dbs.Filters
+* @param word string
+* @param collection LibDataEnum
+* @param c ...*tools.HTTPCaller
+* @return data LibDataShallow
+ */
+func Search(filters *dbs.Filters, word string, collection LibDataEnum, c ...*tools.HTTPCaller) (data LibDataShallow) {
+	defer func() { // recover the panic
+		if r := recover(); r != nil {
+			tools.UncatchedError = append(tools.UncatchedError, errors.New("Panic recovered in Search : "+fmt.Sprintf("%v", r)))
+			data = LibDataShallow{Data: nil, Code: 500, Err: "Panic recovered in LoadAll : " + fmt.Sprintf("%v", r) + " - " + string(debug.Stack())}
+		}
+	}()
+	var caller *tools.HTTPCaller // define the caller
+	if len(c) > 0 {
+		caller = c[0]
+	}
+	d, code, err := models.Model(collection.EnumIndex()).GetAccessor(caller).Search(filters, word)
+	if err != nil {
+		data = LibDataShallow{Data: d, Code: code, Err: err.Error()}
+		return
+	}
+	data = LibDataShallow{Data: d, Code: code}
+	return
+}
+
+/*
+* LoadAll will load all the data from the database
+* @param collection LibDataEnum
+* @param c ...*tools.HTTPCaller
+* @return data LibDataShallow
+ */
+func LoadAll(collection LibDataEnum, c ...*tools.HTTPCaller) (data LibDataShallow) {
+	defer func() { // recover the panic
+		if r := recover(); r != nil {
+			tools.UncatchedError = append(tools.UncatchedError, errors.New("Panic recovered in LoadAll : "+fmt.Sprintf("%v", r)+" - "+string(debug.Stack())))
+			data = LibDataShallow{Data: nil, Code: 500, Err: "Panic recovered in LoadAll : " + fmt.Sprintf("%v", r) + " - " + string(debug.Stack())}
+		}
+	}()
+	var caller *tools.HTTPCaller // define the caller
+	if len(c) > 0 {
+		caller = c[0]
+	}
+	d, code, err := models.Model(collection.EnumIndex()).GetAccessor(caller).LoadAll()
+	if err != nil {
+		data = LibDataShallow{Data: d, Code: code, Err: err.Error()}
+		return
+	}
+	data = LibDataShallow{Data: d, Code: code}
+	return
+}
+
+/*
+* LoadOne will load one data from the database
+* @param collection LibDataEnum
+* @param id string
+* @param c ...*tools.HTTPCaller
+* @return data LibData
+ */
+func LoadOne(collection LibDataEnum, id string, c ...*tools.HTTPCaller) (data LibData) {
+	defer func() { // recover the panic
+		if r := recover(); r != nil {
+			tools.UncatchedError = append(tools.UncatchedError, errors.New("Panic recovered in LoadOne : "+fmt.Sprintf("%v", r)+" - "+string(debug.Stack())))
+			data = LibData{Data: nil, Code: 500, Err: "Panic recovered in LoadOne : " + fmt.Sprintf("%v", r) + " - " + string(debug.Stack())}
+		}
+	}()
+	var caller *tools.HTTPCaller // define the caller
+	if len(c) > 0 {
+		caller = c[0]
+	}
+	d, code, err := models.Model(collection.EnumIndex()).GetAccessor(caller).LoadOne(id)
+	if err != nil {
+		data = LibData{Data: d, Code: code, Err: err.Error()}
+		return
+	}
+	data = LibData{Data: d, Code: code}
+	return
+}
+
+/*
+* UpdateOne will update one data from the database
+* @param collection LibDataEnum
+* @param set map[string]interface{}
+* @param id string
+* @param c ...*tools.HTTPCaller
+* @return data LibData
+ */
+func UpdateOne(collection LibDataEnum, set map[string]interface{}, id string, c ...*tools.HTTPCaller) (data LibData) {
+	defer func() { // recover the panic
+		if r := recover(); r != nil {
+			tools.UncatchedError = append(tools.UncatchedError, errors.New("Panic recovered in UpdateOne : "+fmt.Sprintf("%v", r)+" - "+string(debug.Stack())))
+			data = LibData{Data: nil, Code: 500, Err: "Panic recovered in UpdateOne : " + fmt.Sprintf("%v", r) + " - " + string(debug.Stack())}
+		}
+	}()
+	var caller *tools.HTTPCaller // define the caller
+	if len(c) > 0 {
+		caller = c[0]
+	}
+	model := models.Model(collection.EnumIndex())
+	d, code, err := model.GetAccessor(caller).UpdateOne(model.Deserialize(set), id)
+	if err != nil {
+		data = LibData{Data: d, Code: code, Err: err.Error()}
+		return
+	}
+	data = LibData{Data: d, Code: code}
+	return
+}
+
+/*
+* DeleteOne will delete one data from the database
+* @param collection LibDataEnum
+* @param id string
+* @param c ...*tools.HTTPCaller
+* @return data LibData
+ */
+func DeleteOne(collection LibDataEnum, id string, c ...*tools.HTTPCaller) (data LibData) {
+	defer func() { // recover the panic
+		if r := recover(); r != nil {
+			tools.UncatchedError = append(tools.UncatchedError, errors.New("Panic recovered in DeleteOne : "+fmt.Sprintf("%v", r)+" - "+string(debug.Stack())))
+			data = LibData{Data: nil, Code: 500, Err: "Panic recovered in DeleteOne : " + fmt.Sprintf("%v", r) + " - " + string(debug.Stack())}
+		}
+	}()
+	var caller *tools.HTTPCaller // define the caller
+	if len(c) > 0 {
+		caller = c[0]
+	}
+	d, code, err := models.Model(collection.EnumIndex()).GetAccessor(caller).DeleteOne(id)
+	if err != nil {
+		data = LibData{Data: d, Code: code, Err: err.Error()}
+		return
+	}
+	data = LibData{Data: d, Code: code}
+	return
+}
+
+/*
+* StoreOne will store one data from the database
+* @param collection LibDataEnum
+* @param object map[string]interface{}
+* @param c ...*tools.HTTPCaller
+* @return data LibData
+ */
+func StoreOne(collection LibDataEnum, object map[string]interface{}, c ...*tools.HTTPCaller) (data LibData) {
+	defer func() { // recover the panic
+		if r := recover(); r != nil {
+			tools.UncatchedError = append(tools.UncatchedError, errors.New("Panic recovered in StoreOne : "+fmt.Sprintf("%v", r)+" - "+string(debug.Stack())))
+			data = LibData{Data: nil, Code: 500, Err: "Panic recovered in StoreOne : " + fmt.Sprintf("%v", r) + " - " + string(debug.Stack())}
+		}
+	}()
+	var caller *tools.HTTPCaller // define the caller
+	if len(c) > 0 {
+		caller = c[0]
+	}
+	model := models.Model(collection.EnumIndex())
+	d, code, err := model.GetAccessor(caller).StoreOne(model.Deserialize(object))
+	if err != nil {
+		data = LibData{Data: d, Code: code, Err: err.Error()}
+		return
+	}
+	data = LibData{Data: d, Code: code}
+	return
+}
+
+/*
+* CopyOne will copy one data from the database
+* @param collection LibDataEnum
+* @param object map[string]interface{}
+* @param c ...*tools.HTTPCaller
+* @return data LibData
+ */
+func CopyOne(collection LibDataEnum, object map[string]interface{}, c ...*tools.HTTPCaller) (data LibData) {
+	defer func() { // recover the panic
+		if r := recover(); r != nil {
+			tools.UncatchedError = append(tools.UncatchedError, errors.New("Panic recovered in CopyOne : "+fmt.Sprintf("%v", r)+" - "+string(debug.Stack())))
+			data = LibData{Data: nil, Code: 500, Err: "Panic recovered in UpdateOne : " + fmt.Sprintf("%v", r) + " - " + string(debug.Stack())}
+		}
+	}()
+	var caller *tools.HTTPCaller // define the caller
+	if len(c) > 0 {
+		caller = c[0]
+	}
+	model := models.Model(collection.EnumIndex())
+	d, code, err := model.GetAccessor(caller).CopyOne(model.Deserialize(object))
+	if err != nil {
+		data = LibData{Data: d, Code: code, Err: err.Error()}
+		return
+	}
+	data = LibData{Data: d, Code: code}
+	return
+}
+
+// ================ CAST ========================= //
+
+func (l *LibData) ToDataResource() *data.DataResource {
+	if l.Data.GetAccessor(nil).GetType() == tools.DATA_RESOURCE.String() {
+		return l.Data.(*data.DataResource)
+	}
+	return nil
+}
+
+func (l *LibData) ToComputeResource() *compute.ComputeResource {
+	if l.Data != nil && l.Data.GetAccessor(nil).GetType() == tools.COMPUTE_RESOURCE.String() {
+		return l.Data.(*compute.ComputeResource)
+	}
+	return nil
+}
+func (l *LibData) ToStorageResource() *storage.StorageResource {
+	if l.Data.GetAccessor(nil).GetType() == tools.STORAGE_RESOURCE.String() {
+		return l.Data.(*storage.StorageResource)
+	}
+	return nil
+}
+func (l *LibData) ToProcessingResource() *processing.ProcessingResource {
+	if l.Data.GetAccessor(nil).GetType() == tools.PROCESSING_RESOURCE.String() {
+		return l.Data.(*processing.ProcessingResource)
+	}
+	return nil
+}
+func (l *LibData) ToWorkflowResource() *w.WorkflowResource {
+	if l.Data.GetAccessor(nil).GetType() == tools.WORKFLOW_RESOURCE.String() {
+		return l.Data.(*w.WorkflowResource)
+	}
+	return nil
+}
+func (l *LibData) ToPeer() *peer.Peer {
+	if l.Data.GetAccessor(nil).GetType() == tools.PEER.String() {
+		return l.Data.(*peer.Peer)
+	}
+	return nil
+}
+
+func (l *LibData) ToWorkflow() *w2.Workflow {
+	if l.Data.GetAccessor(nil).GetType() == tools.WORKFLOW.String() {
+		return l.Data.(*w2.Workflow)
+	}
+	return nil
+}
+func (l *LibData) ToWorkspace() *workspace.Workspace {
+	if l.Data.GetAccessor(nil).GetType() == tools.WORKSPACE.String() {
+		return l.Data.(*workspace.Workspace)
+	}
+	return nil
+}
+
+func (l *LibData) ToCollaborativeArea() *collaborative_area.CollaborativeArea {
+	if l.Data.GetAccessor(nil).GetType() == tools.COLLABORATIVE_AREA.String() {
+		return l.Data.(*collaborative_area.CollaborativeArea)
+	}
+	return nil
+}
+
+func (l *LibData) ToRule() *rule.Rule {
+	if l.Data.GetAccessor(nil).GetType() == tools.COLLABORATIVE_AREA.String() {
+		return l.Data.(*rule.Rule)
+	}
+	return nil
+}
+
+func (l *LibData) ToWorkflowExecution() *workflow_execution.WorkflowExecution {
+	if l.Data.GetAccessor(nil).GetType() == tools.WORKFLOW_EXECUTION.String() {
+		return l.Data.(*workflow_execution.WorkflowExecution)
+	}
+	return nil
+}

go.mod

@@ -1,11 +1,58 @@
-module oc-lib
+module cloud.o-forge.io/core/oc-lib
 
 go 1.22.0
 
-require github.com/rs/zerolog v1.33.0
+require (
+	github.com/beego/beego/v2 v2.3.1
+	github.com/go-playground/validator/v10 v10.22.0
+	github.com/google/uuid v1.6.0
+	github.com/goraz/onion v0.1.3
+	github.com/nats-io/nats.go v1.37.0
+	github.com/robfig/cron/v3 v3.0.1
+	github.com/rs/zerolog v1.33.0
+	github.com/stretchr/testify v1.9.0
+)
+
+require (
+	github.com/nats-io/nkeys v0.4.7 // indirect
+	github.com/nats-io/nuid v1.0.1 // indirect
+)
 
 require (
 	github.com/mattn/go-colorable v0.1.13 // indirect
-	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
-	golang.org/x/sys v0.12.0 // indirect
+	go.mongodb.org/mongo-driver v1.16.0
+	golang.org/x/sys v0.22.0 // indirect
+)
+
+require (
+	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.4 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/golang/snappy v0.0.4 // indirect
+	github.com/hashicorp/golang-lru v0.5.4 // indirect
+	github.com/klauspost/compress v1.17.9 // indirect
+	github.com/kr/text v0.1.0 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/montanaflynn/stats v0.7.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/prometheus/client_golang v1.19.0 // indirect
+	github.com/prometheus/client_model v0.5.0 // indirect
+	github.com/prometheus/common v0.48.0 // indirect
+	github.com/prometheus/procfs v0.12.0 // indirect
+	github.com/shiena/ansicolor v0.0.0-20200904210342-c7312218db18 // indirect
+	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
+	github.com/xdg-go/scram v1.1.2 // indirect
+	github.com/xdg-go/stringprep v1.0.4 // indirect
+	github.com/youmark/pkcs8 v0.0.0-20240424034433-3c2c7870ae76 // indirect
+	golang.org/x/crypto v0.25.0 // indirect
+	golang.org/x/net v0.27.0 // indirect
+	golang.org/x/sync v0.7.0 // indirect
+	golang.org/x/text v0.16.0 // indirect
+	google.golang.org/protobuf v1.34.2 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -1,15 +1,169 @@
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/beego/beego/v2 v2.3.1 h1:7MUKMpJYzOXtCUsTEoXOxsDV/UcHw6CPbaWMlthVNsc=
+github.com/beego/beego/v2 v2.3.1/go.mod h1:5cqHsOHJIxkq44tBpRvtDe59GuVRVv/9/tyVDxd5ce4=
+github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
+github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
+github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
+github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/coreos/etcd v3.3.17+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
+github.com/coreos/go-semver v0.3.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/elazarl/go-bindata-assetfs v1.0.1 h1:m0kkaHRKEu7tUIUFVwhGGGYClXvyl4RE03qmvRTNfbw=
+github.com/elazarl/go-bindata-assetfs v1.0.1/go.mod h1:v+YaWX3bdea5J/mo8dSETolEo7R71Vk1u8bnjau5yw4=
+github.com/etcd-io/etcd v3.3.17+incompatible/go.mod h1:cdZ77EstHBwVtD6iTgzgvogwcjo9m4iOqoijouPJ4bs=
+github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
+github.com/gabriel-vasile/mimetype v1.4.4 h1:QjV6pZ7/XZ7ryI2KuyeEDE8wnh7fHP9YnQy+R0LnH8I=
+github.com/gabriel-vasile/mimetype v1.4.4/go.mod h1:JwLei5XPtWdGiMFB5Pjle1oEeoSeEuJfJE+TtfvdB/s=
+github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=
+github.com/go-playground/assert/v2 v2.2.0/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
+github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/oXslEjJA=
+github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
+github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
+github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
+github.com/go-playground/validator/v10 v10.22.0 h1:k6HsTZ0sTnROkhS//R0O+55JgM8C4Bx7ia+JlgcnOao=
+github.com/go-playground/validator/v10 v10.22.0/go.mod h1:dbuPbCMFw/DrkbEynArYaCwl3amGuJotoKCe95atGMM=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
+github.com/golang/snappy v0.0.4 h1:yAGX7huGHXlcLOEtBnF4w7FQwA26wojNCwOYAEhLjQM=
+github.com/golang/snappy v0.0.4/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
+github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
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+github.com/goraz/onion v0.1.3/go.mod h1:XEmz1XoBz+wxTgWB8NwuvRm4RAu3vKxvrmYtzK+XCuQ=
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+github.com/imdario/mergo v0.3.8/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
+github.com/json-iterator/go v1.1.8/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
+github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=
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+github.com/klauspost/compress v1.17.9 h1:6KIumPrER1LHsvBVuDa0r5xaG0Es51mhhB9BQB2qeMA=
+github.com/klauspost/compress v1.17.9/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
+github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
+github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
+github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
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+github.com/leodido/go-urn v1.4.0/go.mod h1:bvxc+MVxLKB4z00jd1z+Dvzr47oO32F/QSNjSBOlFxI=
+github.com/magiconair/properties v1.8.1/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
 github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
 github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
-github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA=
 github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
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graph.go

@@ -1 +0,0 @@
-package oclib

logs/logger.go

@@ -1,33 +1,43 @@
-package oclib
+package logs
 
 import (
-	"oc-lib/logs"
 	"os"
 	"runtime"
 	"time"
 
+	"cloud.o-forge.io/core/oc-lib/config"
 	"github.com/rs/zerolog"
 )
 
 var logger zerolog.Logger
 
-// CreateLogger
+// logs.CreateLogger
 // Create a new logger
 // Parameters:
 // - appname: string : the name of the application using oclib
 // - url: string : the url of a loki logger, console log only if ""
 // Returns:
 // - zerolog.Logger : the logger that will log for the library and the app
-func CreateLogger(appname string, url string) zerolog.Logger {
 
+func GetLogger() zerolog.Logger {
+	return logger
+}
+
+func SetLogger(l zerolog.Logger) {
+	logger = l
+}
+
+func CreateLogger(funcName string) zerolog.Logger {
+	url := config.GetConfig().LokiUrl
 	if url != "" {
 		labels := map[string]string{
-			"app":      "app",
+			"app":      config.GetAppName(),
 			"code":     "go",
 			"platform": runtime.GOOS,
+			"function": funcName,
 		}
 
-		lokiWriter := logs.NewLokiWriter(url, labels)
+		lokiWriter := NewLokiWriter(url, labels)
 
 		consoleWriter := zerolog.ConsoleWriter{Out: os.Stdout, TimeFormat: time.RFC3339}
 

logs/lokiwriter.go

@@ -55,6 +55,17 @@ func (w *LokiWriter) Write(p []byte) (n int, err error) {
 	}
 	labels["level"] = level
 
+	// Add label that have been added to the event
+	// A bit unsafe since we don't know what could be stored in the event
+	// but we can't access this object once passed to the multilevel writter
+	
+	for k,v := range(event){
+		if k != "level" && k != "time" && k != "message"{
+			labels[k] = v.(string)
+		}
+	}
+
+
 	// Format the timestamp in nanoseconds
 	timestamp := fmt.Sprintf("%d000000", time.Now().UnixNano()/int64(time.Millisecond))
 
@@ -76,7 +87,7 @@ func (w *LokiWriter) Write(p []byte) (n int, err error) {
 
 	//fmt.Printf("Sending payload to Loki: %s\n", string(payloadBytes))
 
-	req, err := http.NewRequest("POST", w.url, bytes.NewReader(payloadBytes))
+	req, err := http.NewRequest("POST", w.url + "/loki/api/v1/push", bytes.NewReader(payloadBytes))
 	if err != nil {
 		return 0, fmt.Errorf("failed to create HTTP request: %w", err)
 	}

models/booking/booking.go

@@ -0,0 +1,89 @@
+package booking
+
+import (
+	"encoding/json"
+	"time"
+
+	"cloud.o-forge.io/core/oc-lib/dbs"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	"cloud.o-forge.io/core/oc-lib/models/workflow_execution"
+	"cloud.o-forge.io/core/oc-lib/tools"
+	"github.com/google/uuid"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+/*
+* Booking is a struct that represents a booking
+ */
+type Booking struct {
+	workflow_execution.WorkflowExecution        // WorkflowExecution contains the workflow execution data
+	ComputeResourceID                 string `json:"compute_resource_id,omitempty" bson:"compute_resource_id,omitempty" validate:"required"` // ComputeResourceID is the ID of the compute resource specified in the booking
+}
+
+// CheckBooking checks if a booking is possible on a specific compute resource
+func (wfa *Booking) CheckBooking(id string, start time.Time, end *time.Time) (bool, error) {
+	// check if
+	if end == nil {
+		// if no end... then Book like a savage
+		return true, nil
+	}
+	e := *end
+	accessor := wfa.GetAccessor(nil)
+	res, code, err := accessor.Search(&dbs.Filters{
+		And: map[string][]dbs.Filter{ // check if there is a booking on the same compute resource by filtering on the compute_resource_id, the state and the execution date
+			"compute_resource_id":  {{Operator: dbs.EQUAL.String(), Value: id}},
+			"workflowexecution.state": {{Operator: dbs.EQUAL.String(), Value: workflow_execution.SCHEDULED.EnumIndex()}},
+			"workflowexecution.execution_date": {
+				{Operator: dbs.LTE.String(), Value: primitive.NewDateTimeFromTime(e)},
+				{Operator: dbs.GTE.String(), Value: primitive.NewDateTimeFromTime(start)},
+			},
+		},
+	}, "")
+	if code != 200 {
+		return false, err
+	}
+	return len(res) == 0, nil
+}
+
+// tool to convert the argo status to a state
+func (wfa *Booking) ArgoStatusToState(status string) *Booking {
+	wfa.WorkflowExecution.ArgoStatusToState(status)
+	return wfa
+}
+
+func (ao *Booking) GetID() string {
+	return ao.UUID
+}
+
+func (r *Booking) GenerateID() {
+	r.UUID = uuid.New().String()
+}
+
+func (d *Booking) GetName() string {
+	return d.UUID + "_" + d.ExecDate.String()
+}
+
+func (d *Booking) GetAccessor(caller *tools.HTTPCaller) utils.Accessor {
+	data := New()                    // Create a new instance of the accessor
+	data.Init(tools.BOOKING, caller) // Initialize the accessor with the BOOKING model type
+	return data
+}
+
+func (dma *Booking) Deserialize(j map[string]interface{}) utils.DBObject {
+	b, err := json.Marshal(j)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, dma)
+	return dma
+}
+
+func (dma *Booking) Serialize() map[string]interface{} {
+	var m map[string]interface{}
+	b, err := json.Marshal(dma)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, &m)
+	return m
+}

models/booking/booking_mongo_accessor.go

@@ -0,0 +1,88 @@
+package booking
+
+import (
+	"cloud.o-forge.io/core/oc-lib/dbs"
+	"cloud.o-forge.io/core/oc-lib/dbs/mongo"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+)
+
+type bookingMongoAccessor struct {
+	utils.AbstractAccessor // AbstractAccessor contains the basic fields of an accessor (model, caller)
+}
+
+// New creates a new instance of the bookingMongoAccessor
+func New() *bookingMongoAccessor {
+	return &bookingMongoAccessor{}
+}
+
+/*
+* Nothing special here, just the basic CRUD operations
+ */
+func (wfa *bookingMongoAccessor) DeleteOne(id string) (utils.DBObject, int, error) {
+	return wfa.GenericDeleteOne(id, wfa)
+}
+
+func (wfa *bookingMongoAccessor) UpdateOne(set utils.DBObject, id string) (utils.DBObject, int, error) {
+	return wfa.GenericUpdateOne(set, id, wfa, &Booking{})
+}
+
+func (wfa *bookingMongoAccessor) StoreOne(data utils.DBObject) (utils.DBObject, int, error) {
+	return wfa.GenericStoreOne(data, wfa)
+}
+
+func (wfa *bookingMongoAccessor) CopyOne(data utils.DBObject) (utils.DBObject, int, error) {
+	return wfa.GenericStoreOne(data, wfa)
+}
+
+func (wfa *bookingMongoAccessor) LoadOne(id string) (utils.DBObject, int, error) {
+	var workflow Booking
+	res_mongo, code, err := mongo.MONGOService.LoadOne(id, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve " + id + " from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	res_mongo.Decode(&workflow)
+	return &workflow, 200, nil
+}
+
+func (wfa bookingMongoAccessor) LoadAll() ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	res_mongo, code, err := mongo.MONGOService.LoadAll(wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve any from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []Booking
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	for _, r := range results {
+		objs = append(objs, &r.AbstractObject) // Warning only AbstractObject is returned
+	}
+	return objs, 200, nil
+}
+
+// Search is a function that searches for a booking in the database
+func (wfa *bookingMongoAccessor) Search(filters *dbs.Filters, search string) ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	if (filters == nil || len(filters.And) == 0 || len(filters.Or) == 0) && search != "" {
+		filters = &dbs.Filters{
+			Or: map[string][]dbs.Filter{ // filter by name if no filters are provided
+				"abstractobject.name": {{Operator: dbs.LIKE.String(), Value: search}},
+			},
+		}
+	}
+	res_mongo, code, err := mongo.MONGOService.Search(filters, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not store to db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []Booking
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	for _, r := range results {
+		objs = append(objs, &r)
+	}
+	return objs, 200, nil
+}

models/collaborative_area/collaborative_area.go

@@ -0,0 +1,74 @@
+package collaborative_area
+
+import (
+	"encoding/json"
+
+	"cloud.o-forge.io/core/oc-lib/models/collaborative_area/rules/rule"
+	"cloud.o-forge.io/core/oc-lib/models/peer"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	w "cloud.o-forge.io/core/oc-lib/models/workflow"
+	"cloud.o-forge.io/core/oc-lib/models/workspace"
+	"cloud.o-forge.io/core/oc-lib/tools"
+	"github.com/google/uuid"
+)
+
+// SharedWorkspace is a struct that represents a shared workspace
+// WARNING : it got a shallow object version, this one is the full version
+// full version is the one used by API
+// other one is a shallow version used by the Lib for import cycle problem purposes
+type CollaborativeArea struct {
+	utils.AbstractObject                        // AbstractObject contains the basic fields of an object (id, name)
+	IsSent               bool                   `json:"is_sent" bson:"-"`                                                       // IsSent is a flag that indicates if the workspace is sent
+	CreatorID            string                 `json:"peer_id,omitempty" bson:"peer_id,omitempty" validate:"required"`         // CreatorID is the ID of the creator
+	Version              string                 `json:"version,omitempty" bson:"version,omitempty"`                             // Version is the version of the workspace
+	Description          string                 `json:"description,omitempty" bson:"description,omitempty" validate:"required"` // Description is the description of the workspace
+	Attributes           map[string]interface{} `json:"attributes,omitempty" bson:"attributes,omitempty"`                       // Attributes is the attributes of the workspace (TODO)
+	Workspaces           []string               `json:"workspaces,omitempty" bson:"workspaces,omitempty"`                       // Workspaces is the workspaces of the workspace
+	Workflows            []string               `json:"workflows,omitempty" bson:"workflows,omitempty"`                         // Workflows is the workflows of the workspace
+	Peers                []string               `json:"peers,omitempty" bson:"peers,omitempty"`                                 // Peers is the peers of the workspace
+	Rules                []string               `json:"rules,omitempty" bson:"rules,omitempty"`                                 // Rules is the rules of the workspace
+
+	SharedRules      []*rule.Rule           `json:"shared_rules,omitempty" bson:"-"`      // SharedRules is the shared rules of the workspace
+	SharedWorkspaces []*workspace.Workspace `json:"shared_workspaces,omitempty" bson:"-"` // SharedWorkspaces is the shared workspaces of the workspace
+	SharedWorkflows  []*w.Workflow          `json:"shared_workflows,omitempty" bson:"-"`  // SharedWorkflows is the shared workflows of the workspace
+	SharedPeers      []*peer.Peer           `json:"shared_peers,omitempty" bson:"-"`      // SharedPeers is the shared peers of the workspace
+}
+
+func (ao *CollaborativeArea) GetID() string {
+	return ao.UUID
+}
+
+func (r *CollaborativeArea) GenerateID() {
+	if r.UUID == "" {
+		r.UUID = uuid.New().String()
+	}
+}
+
+func (d *CollaborativeArea) GetName() string {
+	return d.Name
+}
+
+func (d *CollaborativeArea) GetAccessor(caller *tools.HTTPCaller) utils.Accessor {
+	data := New()                               // Create a new instance of the accessor
+	data.Init(tools.COLLABORATIVE_AREA, caller) // Initialize the accessor with the SHARED_WORKSPACE model type
+	return data
+}
+
+func (dma *CollaborativeArea) Deserialize(j map[string]interface{}) utils.DBObject {
+	b, err := json.Marshal(j)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, dma)
+	return dma
+}
+
+func (dma *CollaborativeArea) Serialize() map[string]interface{} {
+	var m map[string]interface{}
+	b, err := json.Marshal(dma)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, &m)
+	return m
+}

models/collaborative_area/collaborative_area_mongo_accessor.go

@@ -0,0 +1,329 @@
+package collaborative_area
+
+import (
+	"fmt"
+	"slices"
+
+	"cloud.o-forge.io/core/oc-lib/dbs"
+	"cloud.o-forge.io/core/oc-lib/dbs/mongo"
+	"cloud.o-forge.io/core/oc-lib/models/collaborative_area/rules/rule"
+	"cloud.o-forge.io/core/oc-lib/models/peer"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	w "cloud.o-forge.io/core/oc-lib/models/workflow"
+	"cloud.o-forge.io/core/oc-lib/models/workspace"
+	"cloud.o-forge.io/core/oc-lib/tools"
+)
+
+// SharedWorkspace is a struct that represents a collaborative area
+type collaborativeAreaMongoAccessor struct {
+	utils.AbstractAccessor // AbstractAccessor contains the basic fields of an accessor (model, caller)
+}
+
+// New creates a new instance of the collaborativeAreaMongoAccessor
+func New() *collaborativeAreaMongoAccessor {
+	return &collaborativeAreaMongoAccessor{}
+}
+
+// DeleteOne deletes a collaborative area from the database, given its ID, it automatically share to peers if the workspace is shared
+func (wfa *collaborativeAreaMongoAccessor) DeleteOne(id string) (utils.DBObject, int, error) {
+	set, code, _ := wfa.LoadOne(id)
+	if code == 200 { // always delete on peers than recreate
+		wfa.deleteToPeer(set.(*CollaborativeArea))
+	}
+	wfa.sharedWorkflow(&CollaborativeArea{}, id)  // create all shared workflows
+	wfa.sharedWorkspace(&CollaborativeArea{}, id) // create all collaborative areas
+	return wfa.GenericDeleteOne(id, wfa)          // then add on yours
+}
+
+/*
+sharedWorkspace is a function that shares the collaborative area to the peers
+*/
+func (wfa *collaborativeAreaMongoAccessor) sharedWorkspace(shared *CollaborativeArea, id string) {
+	eldest, code, _ := wfa.LoadOne(id) // get the eldest
+	accessor := (&workspace.Workspace{}).GetAccessor(nil)
+	if code == 200 {
+		eld := eldest.(*CollaborativeArea)
+		if eld.Workspaces != nil { // update all your workspaces in the eldest by replacing shared ref by an empty string
+			for _, v := range eld.Workspaces {
+				accessor.UpdateOne(&workspace.Workspace{Shared: ""}, v)
+				if wfa.Caller != nil || wfa.Caller.URLS == nil || wfa.Caller.URLS[tools.WORKSPACE] == nil {
+					continue
+				}
+				paccess := (&peer.Peer{})        // send to all peers
+				for _, p := range shared.Peers { // delete the collaborative area on the peer
+					b, err := paccess.LaunchPeerExecution(p, v, tools.WORKSPACE, tools.DELETE, nil, wfa.Caller)
+					if err != nil && b == nil {
+						wfa.Logger.Error().Msg("Could not send to peer " + p + ". Error: " + err.Error())
+					}
+				}
+			}
+		}
+	}
+	if shared.Workspaces != nil {
+		for _, v := range shared.Workspaces { // update all the collaborative areas
+			workspace, code, _ := accessor.UpdateOne(&workspace.Workspace{Shared: shared.UUID}, v) // add the shared ref to workspace
+			if wfa.Caller != nil || wfa.Caller.URLS == nil || wfa.Caller.URLS[tools.WORKSPACE] == nil {
+				continue
+			}
+			for _, p := range shared.Peers {
+				if code != 200 {
+					continue
+				}
+				paccess := (&peer.Peer{}) // send to all peers, add the collaborative area on the peer
+				s := workspace.Serialize()
+				s["name"] = fmt.Sprintf("%v", s["name"]) + "_" + p
+				b, err := paccess.LaunchPeerExecution(p, v, tools.WORKSPACE, tools.POST, s, wfa.Caller)
+				if err != nil && b == nil {
+					wfa.Logger.Error().Msg("Could not send to peer " + p + ". Error: " + err.Error())
+				}
+			}
+		}
+	}
+	// deleting on peers before adding, to avoid conflicts on peers side
+	// because you have no reference to the remote collaborative area
+}
+
+// sharedWorkflow is a function that shares the shared workflow to the peers
+func (wfa *collaborativeAreaMongoAccessor) sharedWorkflow(shared *CollaborativeArea, id string) {
+	accessor := (&w.Workflow{}).GetAccessor(nil)
+	eldest, code, _ := wfa.LoadOne(id) // get the eldest
+	if code == 200 {
+		eld := eldest.(*CollaborativeArea)
+		if eld.Workflows != nil {
+			for _, v := range eld.Workflows {
+				data, code, _ := accessor.LoadOne(v)
+				if code == 200 {
+					s := data.(*w.Workflow)
+					new := []string{}
+					for _, id2 := range s.Shared {
+						if id2 != id {
+							new = append(new, id2)
+						}
+					} // kick the shared reference in your old shared workflow
+					n := &w.Workflow{}
+					n.Shared = new
+					accessor.UpdateOne(n, v)
+					if wfa.Caller != nil || wfa.Caller.URLS == nil || wfa.Caller.URLS[tools.WORKFLOW] == nil {
+						continue
+					}
+					paccess := (&peer.Peer{})        // send to all peers
+					for _, p := range shared.Peers { // delete the shared workflow on the peer
+						b, err := paccess.LaunchPeerExecution(p, v, tools.WORKFLOW, tools.DELETE, nil, wfa.Caller)
+						if err != nil && b == nil {
+							wfa.Logger.Error().Msg("Could not send to peer " + p + ". Error: " + err.Error())
+						}
+					}
+				}
+			}
+		}
+	}
+	if shared.Workflows != nil { // update all the shared workflows
+		for _, v := range shared.Workflows {
+			data, code, _ := accessor.LoadOne(v)
+			if code == 200 {
+				s := data.(*w.Workflow)
+				if !slices.Contains(s.Shared, id) {
+					s.Shared = append(s.Shared, id)
+					workflow, code, _ := accessor.UpdateOne(s, v)
+					if wfa.Caller != nil || wfa.Caller.URLS == nil || wfa.Caller.URLS[tools.WORKFLOW] == nil {
+						continue
+					}
+					paccess := (&peer.Peer{})
+					for _, p := range shared.Peers { // send to all peers
+						if code == 200 {
+							s := workflow.Serialize() // add the shared workflow on the peer
+							s["name"] = fmt.Sprintf("%v", s["name"]) + "_" + p
+							b, err := paccess.LaunchPeerExecution(p, shared.UUID, tools.WORKFLOW, tools.POST, s, wfa.Caller)
+							if err != nil && b == nil {
+								wfa.Logger.Error().Msg("Could not send to peer " + p + ". Error: " + err.Error())
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+	// deleting on peers before adding, to avoid conflicts on peers side
+	// because you have no reference to the remote shared workflow
+}
+
+// sharedWorkspace is a function that shares the collaborative area to the peers
+func (wfa *collaborativeAreaMongoAccessor) deleteToPeer(shared *CollaborativeArea) {
+	if wfa.Caller == nil || wfa.Caller.URLS == nil || wfa.Caller.URLS[tools.COLLABORATIVE_AREA] == nil || wfa.Caller.Disabled {
+		return
+	}
+	paccess := (&peer.Peer{})
+	for _, v := range shared.Peers {
+		if ok, _ := (&peer.Peer{AbstractObject: utils.AbstractObject{UUID: v}}).IsMySelf(); ok {
+			continue
+		}
+		b, err := paccess.LaunchPeerExecution(v, shared.UUID, tools.COLLABORATIVE_AREA, tools.DELETE, nil, wfa.Caller)
+		if err != nil && b == nil {
+			wfa.Logger.Error().Msg("Could not send to peer " + v + ". Error: " + err.Error())
+		}
+	}
+}
+
+// sharedWorkspace is a function that shares the collaborative area to the peers
+func (wfa *collaborativeAreaMongoAccessor) sendToPeer(shared *CollaborativeArea) {
+	if wfa.Caller == nil || wfa.Caller.URLS == nil || wfa.Caller.URLS[tools.COLLABORATIVE_AREA] == nil || wfa.Caller.Disabled {
+		return
+	}
+
+	paccess := (&peer.Peer{})
+	for _, v := range shared.Peers {
+		if ok, _ := (&peer.Peer{AbstractObject: utils.AbstractObject{UUID: v}}).IsMySelf(); ok || shared.IsSent {
+			continue
+		}
+		shared.IsSent = true
+		b, err := paccess.LaunchPeerExecution(v, v, tools.COLLABORATIVE_AREA, tools.POST, shared.Serialize(), wfa.Caller)
+		if err != nil && b == nil {
+			wfa.Logger.Error().Msg("Could not send to peer " + v + ". Error: " + err.Error())
+		}
+	}
+}
+
+// UpdateOne updates a collaborative area in the database, given its ID and the new data, it automatically share to peers if the workspace is shared
+func (wfa *collaborativeAreaMongoAccessor) UpdateOne(set utils.DBObject, id string) (utils.DBObject, int, error) {
+	res, code, err := wfa.GenericUpdateOne(set.(*CollaborativeArea), id, wfa, &CollaborativeArea{})
+	wfa.deleteToPeer(res.(*CollaborativeArea))        // delete the collaborative area on the peer
+	wfa.sharedWorkflow(res.(*CollaborativeArea), id)  // replace all shared workflows
+	wfa.sharedWorkspace(res.(*CollaborativeArea), id) // replace all collaborative areas (not shared worspace obj but workspace one)
+	wfa.sendToPeer(res.(*CollaborativeArea))          // send the collaborative area (collaborative area object) to the peers
+	return res, code, err
+}
+
+// StoreOne stores a collaborative area in the database, it automatically share to peers if the workspace is shared
+func (wfa *collaborativeAreaMongoAccessor) StoreOne(data utils.DBObject) (utils.DBObject, int, error) {
+	_, id := (&peer.Peer{}).IsMySelf()                                            // get the local peer
+	data.(*CollaborativeArea).CreatorID = id                                      // set the creator id
+	data.(*CollaborativeArea).Peers = append(data.(*CollaborativeArea).Peers, id) // add the creator id to the peers
+	// then reset the shared fields
+	if data.(*CollaborativeArea).Workspaces == nil {
+		data.(*CollaborativeArea).Workspaces = []string{}
+	}
+	if data.(*CollaborativeArea).Workflows == nil {
+		data.(*CollaborativeArea).Workflows = []string{}
+	}
+	if data.(*CollaborativeArea).Rules == nil {
+		data.(*CollaborativeArea).Rules = []string{}
+	}
+
+	d, code, err := wfa.GenericStoreOne(data.(*CollaborativeArea), wfa)
+
+	if code == 200 {
+		wfa.sharedWorkflow(d.(*CollaborativeArea), d.GetID())  // create all shared workflows
+		wfa.sharedWorkspace(d.(*CollaborativeArea), d.GetID()) // create all collaborative areas
+		wfa.sendToPeer(d.(*CollaborativeArea))                 // send the collaborative area (collaborative area object) to the peers
+	}
+	return data, code, err
+}
+
+// CopyOne copies a CollaborativeArea in the database
+func (wfa *collaborativeAreaMongoAccessor) CopyOne(data utils.DBObject) (utils.DBObject, int, error) {
+	return wfa.StoreOne(data)
+}
+
+// enrich is a function that enriches the CollaborativeArea with the shared objects
+func (wfa *collaborativeAreaMongoAccessor) enrich(sharedWorkspace *CollaborativeArea) *CollaborativeArea {
+	access := (&workspace.Workspace{}).GetAccessor(nil)
+	res, code, _ := access.Search(&dbs.Filters{
+		Or: map[string][]dbs.Filter{
+			"abstractobject.id": {{Operator: dbs.IN.String(), Value: sharedWorkspace.Workspaces}},
+		},
+	}, "")
+	if code == 200 {
+		for _, r := range res {
+			sharedWorkspace.SharedWorkspaces = append(sharedWorkspace.SharedWorkspaces, r.(*workspace.Workspace))
+		}
+	}
+	access = (&w.Workflow{}).GetAccessor(nil)
+	res, code, _ = access.Search(&dbs.Filters{
+		Or: map[string][]dbs.Filter{
+			"abstractobject.id": {{Operator: dbs.IN.String(), Value: sharedWorkspace.Workflows}},
+		},
+	}, "")
+	if code == 200 {
+		for _, r := range res {
+			sharedWorkspace.SharedWorkflows = append(sharedWorkspace.SharedWorkflows, r.(*w.Workflow))
+		}
+	}
+	access = (&peer.Peer{}).GetAccessor(nil)
+	res, code, _ = access.Search(&dbs.Filters{
+		Or: map[string][]dbs.Filter{
+			"abstractobject.id": {{Operator: dbs.IN.String(), Value: sharedWorkspace.Peers}},
+		},
+	}, "")
+	if code == 200 {
+		for _, r := range res {
+			sharedWorkspace.SharedPeers = append(sharedWorkspace.SharedPeers, r.(*peer.Peer))
+		}
+	}
+	access = (&rule.Rule{}).GetAccessor(nil)
+	res, code, _ = access.Search(&dbs.Filters{
+		Or: map[string][]dbs.Filter{
+			"abstractobject.id": {{Operator: dbs.IN.String(), Value: sharedWorkspace.Rules}},
+		},
+	}, "")
+	if code == 200 {
+		for _, r := range res {
+			sharedWorkspace.SharedRules = append(sharedWorkspace.SharedRules, r.(*rule.Rule))
+		}
+	}
+	return sharedWorkspace
+}
+
+// LoadOne loads a collaborative area from the database, given its ID and enrich it
+func (wfa *collaborativeAreaMongoAccessor) LoadOne(id string) (utils.DBObject, int, error) {
+	var sharedWorkspace CollaborativeArea
+	res_mongo, code, err := mongo.MONGOService.LoadOne(id, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve " + id + " from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	res_mongo.Decode(&sharedWorkspace)
+	return wfa.enrich(&sharedWorkspace), 200, nil // enrich the collaborative area
+}
+
+// LoadAll loads all the collaborative areas from the database and enrich them
+func (wfa collaborativeAreaMongoAccessor) LoadAll() ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	res_mongo, code, err := mongo.MONGOService.LoadAll(wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve any from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []CollaborativeArea
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	for _, r := range results {
+		objs = append(objs, wfa.enrich(&r)) // enrich the collaborative area
+	}
+	return objs, 200, nil
+}
+
+// Search searches for collaborative areas in the database, given some filters OR a search string
+func (wfa *collaborativeAreaMongoAccessor) Search(filters *dbs.Filters, search string) ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	if (filters == nil || len(filters.And) == 0 || len(filters.Or) == 0) && search != "" {
+		filters = &dbs.Filters{
+			Or: map[string][]dbs.Filter{ // search by name only by default can be override
+				"abstractobject.name": {{Operator: dbs.LIKE.String(), Value: search}},
+			},
+		}
+	}
+	res_mongo, code, err := mongo.MONGOService.Search(filters, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not store to db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []CollaborativeArea
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	for _, r := range results {
+		objs = append(objs, wfa.enrich(&r)) // enrich the collaborative area
+	}
+	return objs, 200, nil
+}

models/collaborative_area/rules/rule/rule.go

@@ -0,0 +1,56 @@
+package rule
+
+import (
+	"encoding/json"
+
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	"cloud.o-forge.io/core/oc-lib/tools"
+	"github.com/google/uuid"
+)
+
+/*
+* Rule is a struct that represents a rule of a shared workspace
+ */
+type Rule struct {
+	utils.AbstractObject          // AbstractObject contains the basic fields of an object (id, name)
+	Description          string   `json:"description,omitempty" bson:"description,omitempty"` // Description is the description of the rule
+	Condition            string   `json:"condition,omitempty" bson:"condition,omitempty"`     // NOT DEFINITIVE TO SPECIFICATION
+	Actions              []string `json:"actions,omitempty" bson:"actions,omitempty"`         // NOT DEFINITIVE TO SPECIFICATION
+}
+
+func (ao *Rule) GetID() string {
+	return ao.UUID
+}
+
+func (r *Rule) GenerateID() {
+	r.UUID = uuid.New().String()
+}
+
+func (d *Rule) GetName() string {
+	return d.Name
+}
+
+func (d *Rule) GetAccessor(caller *tools.HTTPCaller) utils.Accessor {
+	data := New()
+	data.Init(tools.RULE, caller)
+	return data
+}
+
+func (dma *Rule) Deserialize(j map[string]interface{}) utils.DBObject {
+	b, err := json.Marshal(j)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, dma)
+	return dma
+}
+
+func (dma *Rule) Serialize() map[string]interface{} {
+	var m map[string]interface{}
+	b, err := json.Marshal(dma)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, &m)
+	return m
+}

models/collaborative_area/rules/rule/rule_mongo_accessor.go

@@ -0,0 +1,90 @@
+package rule
+
+import (
+	"cloud.o-forge.io/core/oc-lib/dbs"
+	"cloud.o-forge.io/core/oc-lib/dbs/mongo"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+)
+
+type ruleMongoAccessor struct {
+	utils.AbstractAccessor
+}
+
+// New creates a new instance of the ruleMongoAccessor
+func New() *ruleMongoAccessor {
+	return &ruleMongoAccessor{}
+}
+
+// GetType returns the type of the rule
+func (wfa *ruleMongoAccessor) DeleteOne(id string) (utils.DBObject, int, error) {
+	return wfa.GenericDeleteOne(id, wfa)
+}
+
+// UpdateOne updates a rule in the database
+func (wfa *ruleMongoAccessor) UpdateOne(set utils.DBObject, id string) (utils.DBObject, int, error) {
+	return wfa.GenericUpdateOne(set.(*Rule), id, wfa, &Rule{})
+}
+
+// StoreOne stores a rule in the database
+func (wfa *ruleMongoAccessor) StoreOne(data utils.DBObject) (utils.DBObject, int, error) {
+	return wfa.GenericStoreOne(data.(*Rule), wfa)
+}
+
+func (wfa *ruleMongoAccessor) CopyOne(data utils.DBObject) (utils.DBObject, int, error) {
+	return wfa.GenericStoreOne(data, wfa)
+}
+
+// LoadOne loads a rule from the database
+func (wfa *ruleMongoAccessor) LoadOne(id string) (utils.DBObject, int, error) {
+	var rule Rule
+	res_mongo, code, err := mongo.MONGOService.LoadOne(id, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve " + id + " from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	res_mongo.Decode(&rule)
+	return &rule, 200, nil
+}
+
+// LoadAll loads all rules from the database
+func (wfa ruleMongoAccessor) LoadAll() ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	res_mongo, code, err := mongo.MONGOService.LoadAll(wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve any from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []Rule
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	for _, r := range results {
+		objs = append(objs, &r)
+	}
+	return objs, 200, nil
+}
+
+// Search searches for rules in the database, given some filters OR a search string
+func (wfa *ruleMongoAccessor) Search(filters *dbs.Filters, search string) ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	if (filters == nil || len(filters.And) == 0 || len(filters.Or) == 0) && search != "" {
+		filters = &dbs.Filters{
+			Or: map[string][]dbs.Filter{ // filter by name if no filters are provided
+				"abstractobject.name": {{Operator: dbs.LIKE.String(), Value: search}},
+			},
+		}
+	}
+	res_mongo, code, err := mongo.MONGOService.Search(filters, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not store to db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []Rule
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	for _, r := range results {
+		objs = append(objs, &r)
+	}
+	return objs, 200, nil
+}

models/collaborative_area/shallow_collaborative_area/shallow_collaborative_area.go

@@ -0,0 +1,61 @@
+package shallow_collaborative_area
+
+import (
+	"encoding/json"
+
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	"cloud.o-forge.io/core/oc-lib/tools"
+	"github.com/google/uuid"
+)
+
+type ShallowCollaborativeArea struct {
+	utils.AbstractObject
+	IsSent      bool                   `json:"is_sent" bson:"-"`
+	CreatorID   string                 `json:"peer_id,omitempty" bson:"peer_id,omitempty" validate:"required"`
+	Version     string                 `json:"version,omitempty" bson:"version,omitempty"`
+	Description string                 `json:"description,omitempty" bson:"description,omitempty" validate:"required"`
+	Attributes  map[string]interface{} `json:"attributes,omitempty" bson:"attributes,omitempty"`
+	Workspaces  []string               `json:"workspaces,omitempty" bson:"workspaces,omitempty"`
+	Workflows   []string               `json:"workflows,omitempty" bson:"workflows,omitempty"`
+	Peers       []string               `json:"peers,omitempty" bson:"peers,omitempty"`
+	Rules       []string               `json:"rules,omitempty" bson:"rules,omitempty"`
+}
+
+func (ao *ShallowCollaborativeArea) GetID() string {
+	return ao.UUID
+}
+
+func (r *ShallowCollaborativeArea) GenerateID() {
+	if r.UUID == "" {
+		r.UUID = uuid.New().String()
+	}
+}
+
+func (d *ShallowCollaborativeArea) GetName() string {
+	return d.Name
+}
+
+func (d *ShallowCollaborativeArea) GetAccessor(caller *tools.HTTPCaller) utils.Accessor {
+	data := New()
+	data.Init(tools.COLLABORATIVE_AREA, caller)
+	return data
+}
+
+func (dma *ShallowCollaborativeArea) Deserialize(j map[string]interface{}) utils.DBObject {
+	b, err := json.Marshal(j)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, dma)
+	return dma
+}
+
+func (dma *ShallowCollaborativeArea) Serialize() map[string]interface{} {
+	var m map[string]interface{}
+	b, err := json.Marshal(dma)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, &m)
+	return m
+}

models/collaborative_area/shallow_collaborative_area/shallow_collaborative_area_mongo_accessor.go

@@ -0,0 +1,83 @@
+package shallow_collaborative_area
+
+import (
+	"cloud.o-forge.io/core/oc-lib/dbs"
+	"cloud.o-forge.io/core/oc-lib/dbs/mongo"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+)
+
+type shallowSharedWorkspaceMongoAccessor struct {
+	utils.AbstractAccessor
+}
+
+func New() *shallowSharedWorkspaceMongoAccessor {
+	return &shallowSharedWorkspaceMongoAccessor{}
+}
+
+func (wfa *shallowSharedWorkspaceMongoAccessor) DeleteOne(id string) (utils.DBObject, int, error) {
+	return wfa.GenericDeleteOne(id, wfa)
+}
+
+func (wfa *shallowSharedWorkspaceMongoAccessor) UpdateOne(set utils.DBObject, id string) (utils.DBObject, int, error) {
+	return wfa.GenericUpdateOne(set.(*ShallowCollaborativeArea), id, wfa, &ShallowCollaborativeArea{})
+}
+
+func (wfa *shallowSharedWorkspaceMongoAccessor) StoreOne(data utils.DBObject) (utils.DBObject, int, error) {
+	return wfa.GenericStoreOne(data.(*ShallowCollaborativeArea), wfa)
+}
+
+func (wfa *shallowSharedWorkspaceMongoAccessor) CopyOne(data utils.DBObject) (utils.DBObject, int, error) {
+	return wfa.StoreOne(data)
+}
+
+func (wfa *shallowSharedWorkspaceMongoAccessor) LoadOne(id string) (utils.DBObject, int, error) {
+	var sharedWorkspace ShallowCollaborativeArea
+	res_mongo, code, err := mongo.MONGOService.LoadOne(id, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve " + id + " from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	res_mongo.Decode(&sharedWorkspace)
+	return &sharedWorkspace, 200, nil
+}
+
+func (wfa shallowSharedWorkspaceMongoAccessor) LoadAll() ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	res_mongo, code, err := mongo.MONGOService.LoadAll(wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve any from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []ShallowCollaborativeArea
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	for _, r := range results {
+		objs = append(objs, &r)
+	}
+	return objs, 200, nil
+}
+
+func (wfa *shallowSharedWorkspaceMongoAccessor) Search(filters *dbs.Filters, search string) ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	if (filters == nil || len(filters.And) == 0 || len(filters.Or) == 0) && search != "" {
+		filters = &dbs.Filters{
+			Or: map[string][]dbs.Filter{
+				"abstractobject.name": {{Operator: dbs.LIKE.String(), Value: search}},
+			},
+		}
+	}
+	res_mongo, code, err := mongo.MONGOService.Search(filters, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not store to db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []ShallowCollaborativeArea
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	for _, r := range results {
+		objs = append(objs, &r)
+	}
+	return objs, 200, nil
+}

models/models.go

@@ -0,0 +1,62 @@
+package models
+
+import (
+	"cloud.o-forge.io/core/oc-lib/logs"
+	"cloud.o-forge.io/core/oc-lib/tools"
+
+	"cloud.o-forge.io/core/oc-lib/models/booking"
+	"cloud.o-forge.io/core/oc-lib/models/collaborative_area"
+	"cloud.o-forge.io/core/oc-lib/models/collaborative_area/rules/rule"
+	"cloud.o-forge.io/core/oc-lib/models/peer"
+	"cloud.o-forge.io/core/oc-lib/models/resource_model"
+	d "cloud.o-forge.io/core/oc-lib/models/resources/data"
+	"cloud.o-forge.io/core/oc-lib/models/resources/compute"
+	p "cloud.o-forge.io/core/oc-lib/models/resources/processing"
+	s "cloud.o-forge.io/core/oc-lib/models/resources/storage"
+	w "cloud.o-forge.io/core/oc-lib/models/resources/workflow"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	w2 "cloud.o-forge.io/core/oc-lib/models/workflow"
+	"cloud.o-forge.io/core/oc-lib/models/workflow_execution"
+	w3 "cloud.o-forge.io/core/oc-lib/models/workspace"
+)
+
+/*
+This package contains the models used in the application
+It's used to create the models dynamically
+*/
+var models = map[string]func() utils.DBObject{
+	tools.WORKFLOW_RESOURCE.String():   func() utils.DBObject { return &w.WorkflowResource{} },
+	tools.DATA_RESOURCE.String():       func() utils.DBObject { return &d.DataResource{} },
+	tools.COMPUTE_RESOURCE.String(): func() utils.DBObject { return &compute.ComputeResource{} },
+	tools.STORAGE_RESOURCE.String():    func() utils.DBObject { return &s.StorageResource{} },
+	tools.PROCESSING_RESOURCE.String(): func() utils.DBObject { return &p.ProcessingResource{} },
+	tools.WORKFLOW.String():            func() utils.DBObject { return &w2.Workflow{} },
+	tools.WORKFLOW_EXECUTION.String():  func() utils.DBObject { return &workflow_execution.WorkflowExecution{} },
+	tools.WORKSPACE.String():           func() utils.DBObject { return &w3.Workspace{} },
+	tools.RESOURCE_MODEL.String():      func() utils.DBObject { return &resource_model.ResourceModel{} },
+	tools.PEER.String():                func() utils.DBObject { return &peer.Peer{} },
+	tools.COLLABORATIVE_AREA.String():  func() utils.DBObject { return &collaborative_area.CollaborativeArea{} },
+	tools.RULE.String():                func() utils.DBObject { return &rule.Rule{} },
+	tools.BOOKING.String():             func() utils.DBObject { return &booking.Booking{} },
+	tools.WORKFLOW_HISTORY.String():    func() utils.DBObject { return &w2.WorkflowHistory{} },
+	tools.WORKSPACE_HISTORY.String():   func() utils.DBObject { return &w3.WorkspaceHistory{} },
+}
+
+// Model returns the model object based on the model type
+func Model(model int) utils.DBObject {
+	log := logs.GetLogger()
+	if _, ok := models[tools.FromInt(model)]; ok {
+		return models[tools.FromInt(model)]()
+	}
+	log.Error().Msg("Can't find model " + tools.FromInt(model) + ".")
+	return nil
+}
+
+// GetModelsNames returns the names of the models
+func GetModelsNames() []string {
+	names := []string{}
+	for name := range models {
+		names = append(names, name)
+	}
+	return names
+}

models/peer/peer.go

@@ -0,0 +1,119 @@
+package peer
+
+import (
+	"encoding/json"
+	"fmt"
+
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	"cloud.o-forge.io/core/oc-lib/tools"
+	"github.com/google/uuid"
+)
+
+// now write a go enum for the state partner with self, blacklist, partner
+
+type PeerState int
+
+const (
+	NONE PeerState = iota
+	SELF
+	PARTNER
+	BLACKLIST
+)
+
+func (m PeerState) String() string {
+	return [...]string{"NONE", "SELF", "PARTNER", "BLACKLIST"}[m]
+}
+
+func (m PeerState) EnumIndex() int {
+	return int(m)
+}
+
+// Peer is a struct that represents a peer
+type Peer struct {
+	utils.AbstractObject
+	Url             string          `json:"url,omitempty" bson:"url,omitempty" validate:"required,base64url"` // Url is the URL of the peer (base64url)
+	PublicKey       string          `json:"public_key,omitempty" bson:"public_key,omitempty"`                 // PublicKey is the public key of the peer
+	Services        map[string]int  `json:"services,omitempty" bson:"services,omitempty"`
+	State           PeerState       `json:"state" bson:"state" default:"0"`
+	FailedExecution []PeerExecution `json:"failed_execution" bson:"failed_execution"` // FailedExecution is the list of failed executions, to be retried
+}
+
+// AddExecution adds an execution to the list of failed executions
+func (ao *Peer) AddExecution(exec PeerExecution) {
+	found := false
+	for _, v := range ao.FailedExecution { // Check if the execution is already in the list
+		if v.Url == exec.Url && v.Method == exec.Method && fmt.Sprint(v.Body) == fmt.Sprint(exec.Body) {
+			found = true
+			break
+		}
+	}
+	if !found {
+		ao.FailedExecution = append(ao.FailedExecution, exec)
+	}
+}
+
+// RemoveExecution removes an execution from the list of failed executions
+func (ao *Peer) RemoveExecution(exec PeerExecution) {
+	new := []PeerExecution{}
+	for i, v := range ao.FailedExecution {
+		if !(v.Url == exec.Url && v.Method == exec.Method && fmt.Sprint(v.Body) == fmt.Sprint(exec.Body)) {
+			new = append(new, ao.FailedExecution[i])
+		}
+	}
+	ao.FailedExecution = new
+}
+
+// IsMySelf checks if the peer is the local peer
+func (ao *Peer) IsMySelf() (bool, string) {
+	d, code, err := ao.GetAccessor(nil).Search(nil, SELF.String())
+	if code != 200 || err != nil || len(d) == 0 {
+		return false, ""
+	}
+	id := d[0].GetID()
+	return ao.UUID == id, id
+}
+
+// LaunchPeerExecution launches an execution on a peer
+func (p *Peer) LaunchPeerExecution(peerID string, dataID string, dt tools.DataType, method tools.METHOD, body map[string]interface{}, caller *tools.HTTPCaller) (*PeerExecution, error) {
+	p.UUID = peerID
+	return cache.LaunchPeerExecution(peerID, dataID, dt, method, body, caller) // Launch the execution on the peer through the cache
+}
+
+func (ao *Peer) GetID() string {
+	return ao.UUID
+}
+
+func (r *Peer) GenerateID() {
+	if r.UUID == "" {
+		r.UUID = uuid.New().String()
+	}
+}
+
+func (d *Peer) GetName() string {
+	return d.Name
+}
+
+func (d *Peer) GetAccessor(caller *tools.HTTPCaller) utils.Accessor {
+	data := New()                 // Create a new instance of the accessor
+	data.Init(tools.PEER, caller) // Initialize the accessor with the PEER model type
+	return data
+}
+
+func (dma *Peer) Deserialize(j map[string]interface{}) utils.DBObject {
+	b, err := json.Marshal(j)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, dma)
+	return dma
+}
+
+func (dma *Peer) Serialize() map[string]interface{} {
+	var m map[string]interface{}
+	b, err := json.Marshal(dma)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, &m)
+	return m
+}

models/peer/peer_cache.go

@@ -0,0 +1,142 @@
+package peer
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"regexp"
+	"strings"
+
+	"cloud.o-forge.io/core/oc-lib/tools"
+)
+
+/*
+* PeerExecution is a struct that represents an execution on a peer
+* it defines the execution data
+ */
+type PeerExecution struct {
+	Method   string                 `json:"method" bson:"method"`
+	Url      string                 `json:"url" bson:"url"`
+	Body     map[string]interface{} `json:"body" bson:"body"`
+	DataType int                    `json:"data_type" bson:"data_type"`
+	DataID   string                 `json:"data_id" bson:"data_id"`
+}
+
+var cache = &PeerCache{} // Singleton instance of the peer cache
+// PeerCache is a struct that represents a peer cache
+type PeerCache struct {
+	Executions []*PeerExecution
+}
+
+// urlFormat formats the URL of the peer with the data type API function
+func (p *PeerCache) urlFormat(url string, dt tools.DataType) string {
+	// localhost is replaced by the local peer URL
+	// because localhost must collide on a web request security protocol
+	localhost := ""
+	if strings.Contains(url, "localhost") {
+		localhost = "localhost"
+	}
+	if strings.Contains(url, "127.0.0.1") {
+		localhost = "127.0.0.1"
+	}
+	if localhost != "" {
+		r := regexp.MustCompile("(" + localhost + ":[0-9]+)")
+		t := r.FindString(url)
+		if t != "" {
+			url = strings.Replace(url, t, dt.API()+":8080/oc", -1)
+		} else {
+			url = strings.ReplaceAll(url, localhost, dt.API()+":8080/oc")
+		}
+	} else {
+		url = url + "/" + dt.API()
+	}
+	return url
+}
+
+// checkPeerStatus checks the status of a peer
+func (p *PeerCache) checkPeerStatus(peerID string, appName string, caller *tools.HTTPCaller) (*Peer, bool) {
+	api := tools.API{}
+	access := (&Peer{}).GetAccessor(nil)
+	res, code, _ := access.LoadOne(peerID) // Load the peer from db
+	if code != 200 {                       // no peer no party
+		return nil, false
+	}
+	methods := caller.URLS[tools.PEER] // Get the methods url of the peer
+	if methods == nil {
+		return res.(*Peer), false
+	}
+	meth := methods[tools.POST] // Get the POST method to check status
+	if meth == "" {
+		return res.(*Peer), false
+	}
+	url := p.urlFormat(res.(*Peer).Url, tools.PEER) + meth // Format the URL
+	fmt.Println("Checking peer status on", url, "...")
+	state, services := api.CheckRemotePeer(url)
+	fmt.Println("Checking peer status on", url, state, services)      // Check the status of the peer
+	res.(*Peer).Services = services                                   // Update the services states of the peer
+	access.UpdateOne(res, peerID)                                     // Update the peer in the db
+	return res.(*Peer), state != tools.DEAD && services[appName] == 0 // Return the peer and its status
+}
+
+// LaunchPeerExecution launches an execution on a peer
+func (p *PeerCache) LaunchPeerExecution(peerID string, dataID string,
+	dt tools.DataType, method tools.METHOD, body map[string]interface{}, caller *tools.HTTPCaller) (*PeerExecution, error) {
+	fmt.Println("Launching peer execution on", caller.URLS, dt, method)
+	methods := caller.URLS[dt] // Get the methods url of the data type
+	if m, ok := methods[method]; !ok || m == "" {
+		return nil, errors.New("no path found")
+	}
+	meth := methods[method]                        // Get the method url to execute
+	meth = strings.ReplaceAll(meth, ":id", dataID) // Replace the id in the url in case of a DELETE / UPDATE method (it's a standard naming in OC)
+	url := ""
+
+	// Check the status of the peer
+	if mypeer, ok := p.checkPeerStatus(peerID, dt.API(), caller); !ok {
+		// If the peer is not reachable, add the execution to the failed executions list
+		pexec := &PeerExecution{
+			Method:   method.String(),
+			Url:      p.urlFormat((mypeer.Url)+meth, dt),
+			Body:     body,
+			DataType: dt.EnumIndex(),
+			DataID:   dataID,
+		}
+		mypeer.AddExecution(*pexec)
+		mypeer.GetAccessor(nil).UpdateOne(mypeer, peerID) // Update the peer in the db
+		return nil, errors.New("peer is not reachable")
+	} else {
+		// If the peer is reachable, launch the execution
+		url = p.urlFormat((mypeer.Url)+meth, dt)          // Format the URL
+		tmp := mypeer.FailedExecution                     // Get the failed executions list
+		mypeer.FailedExecution = []PeerExecution{}        // Reset the failed executions list
+		mypeer.GetAccessor(nil).UpdateOne(mypeer, peerID) // Update the peer in the db
+		for _, v := range tmp {                           // Retry the failed executions
+			go p.exec(v.Url, tools.ToMethod(v.Method), v.Body, caller)
+		}
+	}
+	fmt.Println("URL exec", url)
+	return nil, p.exec(url, method, body, caller) // Execute the method
+}
+
+// exec executes the method on the peer
+func (p *PeerCache) exec(url string, method tools.METHOD, body map[string]interface{}, caller *tools.HTTPCaller) error {
+	var b []byte
+	var err error
+	if method == tools.POST { // Execute the POST method if it's a POST method
+		b, err = caller.CallPost(url, "", body)
+	}
+	if method == tools.GET { // Execute the GET method if it's a GET method
+		b, err = caller.CallGet(url, "")
+	}
+	if method == tools.DELETE { // Execute the DELETE method if it's a DELETE method
+		b, err = caller.CallDelete(url, "")
+	}
+	var m map[string]interface{}
+	json.Unmarshal(b, &m)
+	if err != nil {
+		return err
+	}
+	if e, ok := m["error"]; ok && e != "<nil>" && e != "" { // Check if there is an error in the response
+		return errors.New(fmt.Sprintf("%v", m["error"]))
+	}
+	return nil
+}

models/peer/peer_mongo_accessor.go

@@ -0,0 +1,101 @@
+package peer
+
+import (
+	"strconv"
+
+	"cloud.o-forge.io/core/oc-lib/dbs"
+	"cloud.o-forge.io/core/oc-lib/dbs/mongo"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+)
+
+type peerMongoAccessor struct {
+	utils.AbstractAccessor // AbstractAccessor contains the basic fields of an accessor (model, caller)
+}
+
+// New creates a new instance of the peerMongoAccessor
+func New() *peerMongoAccessor {
+	return &peerMongoAccessor{}
+}
+
+/*
+* Nothing special here, just the basic CRUD operations
+ */
+
+func (wfa *peerMongoAccessor) DeleteOne(id string) (utils.DBObject, int, error) {
+	return wfa.GenericDeleteOne(id, wfa)
+}
+
+func (wfa *peerMongoAccessor) UpdateOne(set utils.DBObject, id string) (utils.DBObject, int, error) {
+	return wfa.GenericUpdateOne(set.(*Peer), id, wfa, &Peer{})
+}
+
+func (wfa *peerMongoAccessor) StoreOne(data utils.DBObject) (utils.DBObject, int, error) {
+	return wfa.GenericStoreOne(data.(*Peer), wfa)
+}
+
+func (wfa *peerMongoAccessor) CopyOne(data utils.DBObject) (utils.DBObject, int, error) {
+	return wfa.GenericStoreOne(data, wfa)
+}
+
+func (wfa *peerMongoAccessor) LoadOne(id string) (utils.DBObject, int, error) {
+	var peer Peer
+	res_mongo, code, err := mongo.MONGOService.LoadOne(id, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve " + id + " from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	res_mongo.Decode(&peer)
+
+	return &peer, 200, nil
+}
+
+func (wfa peerMongoAccessor) LoadAll() ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	res_mongo, code, err := mongo.MONGOService.LoadAll(wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve any from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []Peer
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	for _, r := range results {
+		objs = append(objs, &r)
+	}
+	return objs, 200, nil
+}
+
+func (wfa *peerMongoAccessor) Search(filters *dbs.Filters, search string) ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	if (filters == nil || len(filters.And) == 0 || len(filters.Or) == 0) && search != "" {
+		s, err := strconv.Atoi(search)
+		if err == nil {
+			filters = &dbs.Filters{
+				Or: map[string][]dbs.Filter{ // search by name if no filters are provided
+					"state": {{Operator: dbs.EQUAL.String(), Value: s}},
+				},
+			}
+		} else {
+			filters = &dbs.Filters{
+				Or: map[string][]dbs.Filter{ // search by name if no filters are provided
+					"abstractobject.name": {{Operator: dbs.LIKE.String(), Value: search}},
+					"url":                 {{Operator: dbs.LIKE.String(), Value: search}},
+				},
+			}
+		}
+	}
+	res_mongo, code, err := mongo.MONGOService.Search(filters, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not store to db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []Peer
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	for _, r := range results {
+		objs = append(objs, &r)
+	}
+	return objs, 200, nil
+}

models/resource_model/resource_model.go

@@ -0,0 +1,125 @@
+package resource_model
+
+import (
+	"encoding/json"
+
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	"cloud.o-forge.io/core/oc-lib/tools"
+	"github.com/google/uuid"
+)
+
+type WebResource struct {
+	Protocol string `bson:"protocol,omitempty" json:"protocol,omitempty"` // Protocol is the protocol of the URL
+	Path     string `bson:"path,omitempty" json:"path,omitempty"`         // Path is the path of the URL
+}
+
+/*
+* AbstractResource is a struct that represents a resource
+* it defines the resource data
+ */
+type AbstractResource struct {
+	utils.AbstractObject                // AbstractObject contains the basic fields of an object (id, name)
+	ShortDescription     string         `json:"short_description,omitempty" bson:"short_description,omitempty" validate:"required"` // ShortDescription is the short description of the resource
+	Description          string         `json:"description,omitempty" bson:"description,omitempty"`                                 // Description is the description of the resource
+	Logo                 string         `json:"logo,omitempty" bson:"logo,omitempty" validate:"required"`                           // Logo is the logo of the resource
+	Owner                string         `json:"owner,omitempty" bson:"owner,omitempty" validate:"required"`                         // Owner is the owner of the resource
+	OwnerLogo            string         `json:"owner_logo,omitempty" bson:"owner_logo,omitempty"`                                   // OwnerLogo is the owner logo of the resource
+	SourceUrl            string         `json:"source_url,omitempty" bson:"source_url,omitempty" validate:"required"`               // SourceUrl is the source URL of the resource
+	PeerID               string         `json:"peer_id,omitempty" bson:"peer_id,omitempty" validate:"required"`                     // PeerID is the ID of the peer getting this resource
+	Price                string         `json:"price,omitempty" bson:"price,omitempty"`                                             // Price is the price of access to the resource
+	License              string         `json:"license,omitempty" bson:"license,omitempty"`                                         // License is the license of the resource
+	ResourceModel        *ResourceModel `json:"resource_model,omitempty" bson:"resource_model,omitempty"`                           // ResourceModel is the model of the resource
+}
+
+/*
+* GetModelType returns the type of the model key
+ */
+func (abs *AbstractResource) GetModelType(cat string, key string) interface{} {
+	if abs.ResourceModel == nil || abs.ResourceModel.Model == nil {
+		return nil
+	}
+	if _, ok := abs.ResourceModel.Model[key]; !ok {
+		return nil
+	}
+	return abs.ResourceModel.Model[cat][key].Type
+}
+
+/*
+* GetModelKeys returns the keys of the model
+ */
+func (abs *AbstractResource) GetModelKeys() []string {
+	keys := make([]string, 0)
+	for k := range abs.ResourceModel.Model {
+		keys = append(keys, k)
+	}
+	return keys
+}
+
+/*
+* GetModelReadOnly returns the readonly of the model key
+ */
+func (abs *AbstractResource) GetModelReadOnly(cat string, key string) interface{} {
+	if abs.ResourceModel == nil || abs.ResourceModel.Model == nil {
+		return nil
+	}
+	if _, ok := abs.ResourceModel.Model[key]; !ok {
+		return nil
+	}
+	return abs.ResourceModel.Model[cat][key].ReadOnly
+}
+
+type Model struct {
+	Type     string `json:"type,omitempty" bson:"type,omitempty"`         // Type is the type of the model
+	ReadOnly bool   `json:"readonly,omitempty" bson:"readonly,omitempty"` // ReadOnly is the readonly of the model
+}
+
+/*
+* ResourceModel is a struct that represents a resource model
+* it defines the resource metadata and specificity
+* Warning: This struct is not user available, it is only used by the system
+ */
+type ResourceModel struct {
+	UUID         string                      `json:"id,omitempty" bson:"id,omitempty" validate:"required"`
+	ResourceType string                      `json:"resource_type,omitempty" bson:"resource_type,omitempty" validate:"required"`
+	VarRefs      map[string]string           `json:"var_refs,omitempty" bson:"var_refs,omitempty"` // VarRefs is the variable references of the model
+	Model        map[string]map[string]Model `json:"model,omitempty" bson:"model,omitempty"`
+}
+
+func (ao *ResourceModel) GetID() string {
+	return ao.UUID
+}
+
+func (ao *ResourceModel) UpToDate() {}
+
+func (r *ResourceModel) GenerateID() {
+	r.UUID = uuid.New().String()
+}
+
+func (d *ResourceModel) GetName() string {
+	return d.UUID
+}
+
+func (d *ResourceModel) GetAccessor(caller *tools.HTTPCaller) utils.Accessor {
+	data := &ResourceModelMongoAccessor{}
+	data.Init(tools.RESOURCE_MODEL, caller)
+	return data
+}
+
+func (dma *ResourceModel) Deserialize(j map[string]interface{}) utils.DBObject {
+	b, err := json.Marshal(j)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, dma)
+	return dma
+}
+
+func (dma *ResourceModel) Serialize() map[string]interface{} {
+	var m map[string]interface{}
+	b, err := json.Marshal(dma)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, &m)
+	return m
+}

models/resource_model/resource_model_mongo_accessor.go

@@ -0,0 +1,83 @@
+package resource_model
+
+import (
+	"cloud.o-forge.io/core/oc-lib/dbs"
+	"cloud.o-forge.io/core/oc-lib/dbs/mongo"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+)
+
+type ResourceModelMongoAccessor struct {
+	utils.AbstractAccessor // AbstractAccessor contains the basic fields of an accessor (model, caller)
+}
+
+/*
+* Nothing special here, just the basic CRUD operations
+ */
+
+func (wfa *ResourceModelMongoAccessor) DeleteOne(id string) (utils.DBObject, int, error) {
+	return wfa.GenericDeleteOne(id, wfa)
+}
+
+func (wfa *ResourceModelMongoAccessor) UpdateOne(set utils.DBObject, id string) (utils.DBObject, int, error) {
+	return wfa.GenericUpdateOne(set, id, wfa, &ResourceModel{})
+}
+
+func (wfa *ResourceModelMongoAccessor) StoreOne(data utils.DBObject) (utils.DBObject, int, error) {
+	return wfa.GenericStoreOne(data, wfa)
+}
+
+func (wfa *ResourceModelMongoAccessor) CopyOne(data utils.DBObject) (utils.DBObject, int, error) {
+	return wfa.GenericStoreOne(data, wfa)
+}
+
+func (wfa *ResourceModelMongoAccessor) LoadOne(id string) (utils.DBObject, int, error) {
+	var workflow ResourceModel
+	res_mongo, code, err := mongo.MONGOService.LoadOne(id, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve " + id + " from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	res_mongo.Decode(&workflow)
+	return &workflow, 200, nil
+}
+
+func (wfa ResourceModelMongoAccessor) LoadAll() ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	res_mongo, code, err := mongo.MONGOService.LoadAll(wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve any from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []ResourceModel
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	for _, r := range results {
+		objs = append(objs, &r)
+	}
+	return objs, 200, nil
+}
+
+func (wfa *ResourceModelMongoAccessor) Search(filters *dbs.Filters, search string) ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	if (filters == nil || len(filters.And) == 0 || len(filters.Or) == 0) && search != "" {
+		filters = &dbs.Filters{
+			Or: map[string][]dbs.Filter{
+				"resource_type": {{Operator: dbs.LIKE.String(), Value: search}},
+			},
+		}
+	}
+	res_mongo, code, err := mongo.MONGOService.Search(filters, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not store to db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []ResourceModel
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	for _, r := range results {
+		objs = append(objs, &r)
+	}
+	return objs, 200, nil
+}

models/resources/compute/compute.go

@@ -0,0 +1,101 @@
+package compute
+
+import (
+	"encoding/json"
+
+	"cloud.o-forge.io/core/oc-lib/models/resource_model"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	"cloud.o-forge.io/core/oc-lib/tools"
+)
+
+type TechnologyEnum int
+
+const (
+	DOCKER TechnologyEnum = iota
+	KUBERNETES
+	SLURM
+	HW
+	CONDOR
+)
+
+func (t TechnologyEnum) String() string {
+	return [...]string{"DOCKER", "KUBERNETES", "SLURM", "HW", "CONDOR"}[t]
+}
+
+type AccessEnum int
+
+const (
+	SSH AccessEnum = iota
+	SSH_KUBE_API
+	SSH_SLURM
+	SSH_DOCKER
+	OPENCLOUD
+	VPN
+)
+
+func (a AccessEnum) String() string {
+	return [...]string{"SSH", "SSH_KUBE_API", "SSH_SLURM", "SSH_DOCKER", "OPENCLOUD", "VPN"}[a]
+}
+
+/*
+* ComputeResource is a struct that represents a compute resource
+* it defines the resource compute
+ */
+type ComputeResource struct {
+	resource_model.AbstractResource
+	Technology   TechnologyEnum `json:"technology" bson:"technology" default:"0"`             // Technology is the technology
+	Architecture string         `json:"architecture,omitempty" bson:"architecture,omitempty"` // Architecture is the architecture
+	Access       AccessEnum     `json:"access" bson:"access default:"0"`                      // Access is the access
+
+	Localisation string `json:"localisation,omitempty" bson:"localisation,omitempty"` // Localisation is the localisation
+
+	CPUs []*CPU `bson:"cpus,omitempty" json:"cpus,omitempty"` // CPUs is the list of CPUs
+	RAM  *RAM   `bson:"ram,omitempty" json:"ram,omitempty"`   // RAM is the RAM
+	GPUs []*GPU `bson:"gpus,omitempty" json:"gpus,omitempty"` // GPUs is the list of GPUs
+}
+
+func (dma *ComputeResource) Deserialize(j map[string]interface{}) utils.DBObject {
+	b, err := json.Marshal(j)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, dma)
+	return dma
+}
+
+func (dma *ComputeResource) Serialize() map[string]interface{} {
+	var m map[string]interface{}
+	b, err := json.Marshal(dma)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, &m)
+	return m
+}
+
+func (d *ComputeResource) GetAccessor(caller *tools.HTTPCaller) utils.Accessor {
+	data := New()
+	data.Init(tools.COMPUTE_RESOURCE, caller)
+	return data
+}
+
+// CPU is a struct that represents a CPU
+type CPU struct {
+	Cores         uint   `bson:"cores,omitempty" json:"cores,omitempty"`               //TODO: validate
+	Architecture  string `bson:"architecture,omitempty" json:"architecture,omitempty"` //TOOD: enum
+	Shared        bool   `bson:"shared,omitempty" json:"shared,omitempty"`
+	MinimumMemory uint   `bson:"minimum_memory,omitempty" json:"minimum_memory,omitempty"`
+	Platform      string `bson:"platform,omitempty" json:"platform,omitempty"`
+}
+
+type RAM struct {
+	Size uint `bson:"size,omitempty" json:"size,omitempty" description:"Units in MB"`
+	Ecc  bool `bson:"ecc,omitempty" json:"ecc,omitempty"`
+}
+
+type GPU struct {
+	CudaCores   uint   `bson:"cuda_cores,omitempty" json:"cuda_cores,omitempty"`
+	Model       string `bson:"model,omitempty" json:"model,omitempty"`
+	Memory      uint   `bson:"memory,omitempty" json:"memory,omitempty" description:"Units in MB"`
+	TensorCores uint   `bson:"tensor_cores,omitempty" json:"tensor_cores,omitempty"`
+}

models/resources/compute/compute_mongo_accessor.go

@@ -0,0 +1,112 @@
+package compute
+
+import (
+	"cloud.o-forge.io/core/oc-lib/dbs"
+	"cloud.o-forge.io/core/oc-lib/dbs/mongo"
+	"cloud.o-forge.io/core/oc-lib/models/resource_model"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+)
+
+type computeMongoAccessor struct {
+	utils.AbstractAccessor // AbstractAccessor contains the basic fields of an accessor (model, caller)
+}
+
+// New creates a new instance of the computeMongoAccessor
+func New() *computeMongoAccessor {
+	return &computeMongoAccessor{}
+}
+
+/*
+* Nothing special here, just the basic CRUD operations
+ */
+
+func (dca *computeMongoAccessor) DeleteOne(id string) (utils.DBObject, int, error) {
+	return dca.GenericDeleteOne(id, dca)
+}
+
+func (dca *computeMongoAccessor) UpdateOne(set utils.DBObject, id string) (utils.DBObject, int, error) {
+	set.(*ComputeResource).ResourceModel = nil
+	return dca.GenericUpdateOne(set, id, dca, &ComputeResource{})
+}
+
+func (dca *computeMongoAccessor) StoreOne(data utils.DBObject) (utils.DBObject, int, error) {
+	data.(*ComputeResource).ResourceModel = nil
+	return dca.GenericStoreOne(data, dca)
+}
+
+func (dca *computeMongoAccessor) CopyOne(data utils.DBObject) (utils.DBObject, int, error) {
+	return dca.GenericStoreOne(data, dca)
+}
+
+func (dca *computeMongoAccessor) LoadOne(id string) (utils.DBObject, int, error) {
+	var compute ComputeResource
+
+	res_mongo, code, err := mongo.MONGOService.LoadOne(id, dca.GetType())
+	if err != nil {
+		dca.Logger.Error().Msg("Could not retrieve " + id + " from db. Error: " + err.Error())
+		return nil, code, err
+	}
+
+	res_mongo.Decode(&compute)
+	accessor := (&resource_model.ResourceModel{}).GetAccessor(nil)
+	resources, _, err := accessor.Search(nil, dca.GetType())
+	if err == nil && len(resources) > 0 {
+		compute.ResourceModel = resources[0].(*resource_model.ResourceModel)
+	}
+	return &compute, 200, nil
+}
+
+func (wfa computeMongoAccessor) LoadAll() ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	res_mongo, code, err := mongo.MONGOService.LoadAll(wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve any from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []ComputeResource
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	accessor := (&resource_model.ResourceModel{}).GetAccessor(nil)
+	resources, _, err := accessor.Search(nil, wfa.GetType())
+	for _, r := range results {
+		if err == nil && len(resources) > 0 {
+			r.ResourceModel = resources[0].(*resource_model.ResourceModel)
+		}
+		objs = append(objs, &r) // only get the abstract resource !
+	}
+	return objs, 200, nil
+}
+
+func (wfa *computeMongoAccessor) Search(filters *dbs.Filters, search string) ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	if (filters == nil || len(filters.And) == 0 || len(filters.Or) == 0) && search != "" {
+		filters = &dbs.Filters{
+			Or: map[string][]dbs.Filter{ // filter by like name, short_description, description, owner, url if no filters are provided
+				"abstractresource.abstractobject.name": {{Operator: dbs.LIKE.String(), Value: search}},
+				"abstractresource.short_description":   {{Operator: dbs.LIKE.String(), Value: search}},
+				"abstractresource.description":         {{Operator: dbs.LIKE.String(), Value: search}},
+				"abstractresource.owner":               {{Operator: dbs.LIKE.String(), Value: search}},
+				"abstractresource.source_url":          {{Operator: dbs.LIKE.String(), Value: search}},
+			},
+		}
+	}
+	res_mongo, code, err := mongo.MONGOService.Search(filters, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not store to db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []ComputeResource
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	accessor := (&resource_model.ResourceModel{}).GetAccessor(nil)
+	resources, _, err := accessor.Search(nil, wfa.GetType())
+	for _, r := range results {
+		if err == nil && len(resources) > 0 {
+			r.ResourceModel = resources[0].(*resource_model.ResourceModel)
+		}
+		objs = append(objs, &r) // only get the abstract resource !
+	}
+	return objs, 200, nil
+}

models/resources/compute/compute_test.go

@@ -0,0 +1,46 @@
+package compute
+
+import (
+	"testing"
+
+	"cloud.o-forge.io/core/oc-lib/models/resource_model"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestStoreOneCompute(t *testing.T) {
+	dc := ComputeResource{
+		AbstractResource: resource_model.AbstractResource{
+			AbstractObject: utils.AbstractObject{Name: "testCompute"},
+			Description:    "Lorem Ipsum",
+			Logo:           "azerty.com",
+			Owner:          "toto",
+			OwnerLogo:      "totoLogo",
+			SourceUrl:      "azerty.fr",
+		},
+	}
+
+	dcma := New()
+	id, _, _ := dcma.StoreOne(&dc)
+
+	assert.NotEmpty(t, id)
+}
+
+func TestLoadOneCompute(t *testing.T) {
+	dc := ComputeResource{
+		AbstractResource: resource_model.AbstractResource{
+			AbstractObject: utils.AbstractObject{Name: "testCompute"},
+			Description:    "Lorem Ipsum",
+			Logo:           "azerty.com",
+			Owner:          "toto",
+			OwnerLogo:      "totoLogo",
+			SourceUrl:      "azerty.fr",
+		},
+	}
+
+	dcma := New()
+	new_dc, _, _ := dcma.StoreOne(&dc)
+
+	assert.Equal(t, dc, new_dc)
+}

models/resources/data/data.go

@@ -0,0 +1,65 @@
+package data
+
+import (
+	"encoding/json"
+
+	"cloud.o-forge.io/core/oc-lib/models/resource_model"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	"cloud.o-forge.io/core/oc-lib/tools"
+)
+
+// enum of public private or licenced data
+type DataLicense int
+
+const (
+	PUBLIC DataLicense = iota
+	PRIVATE
+	LICENCED
+)
+
+/*
+* Struct of Usage Conditions
+ */
+type UsageConditions struct {
+	Usage  string   `json:"usage,omitempty" bson:"usage,omitempty" description:"usage of the data"`    // Usage is the usage of the data
+	Actors []string `json:"actors,omitempty" bson:"actors,omitempty" description:"actors of the data"` // Actors is the actors of the data
+}
+
+/*
+* DataResource is a struct that represents a data resource
+* it defines the resource data
+ */
+type DataResource struct {
+	resource_model.AbstractResource // AbstractResource contains the basic fields of an object (id, name)
+	resource_model.WebResource
+	Type            string          `bson:"type,omitempty" json:"type,omitempty"`                                                                    // Type is the type of the storage
+	UsageConditions UsageConditions `json:"usage_conditions,omitempty" bson:"usage_conditions,omitempty" description:"usage conditions of the data"` // UsageConditions is the usage conditions of the data
+	License         DataLicense     `json:"license" bson:"license" description:"license of the data" default:"0"`                                    // License is the license of the data
+	Interest        DataLicense     `json:"interest" bson:"interest" description:"interest of the data" default:"0"`                                 // Interest is the interest of the data
+	Example         string          `json:"example,omitempty" bson:"example,omitempty" description:"base64 encoded data"`                            // Example is an example of the data
+}
+
+func (dma *DataResource) Deserialize(j map[string]interface{}) utils.DBObject {
+	b, err := json.Marshal(j)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, dma)
+	return dma
+}
+
+func (dma *DataResource) Serialize() map[string]interface{} {
+	var m map[string]interface{}
+	b, err := json.Marshal(dma)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, &m)
+	return m
+}
+
+func (d *DataResource) GetAccessor(caller *tools.HTTPCaller) utils.Accessor {
+	data := New()                          // Create a new instance of the accessor
+	data.Init(tools.DATA_RESOURCE, caller) // Initialize the accessor with the DATA_RESOURCE model type
+	return data
+}

models/resources/data/data_mongo_accessor.go

@@ -0,0 +1,110 @@
+package data
+
+import (
+	"cloud.o-forge.io/core/oc-lib/dbs"
+	mongo "cloud.o-forge.io/core/oc-lib/dbs/mongo"
+	"cloud.o-forge.io/core/oc-lib/models/resource_model"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+)
+
+type dataMongoAccessor struct {
+	utils.AbstractAccessor // AbstractAccessor contains the basic fields of an accessor (model, caller)
+}
+
+// New creates a new instance of the dataMongoAccessor
+func New() *dataMongoAccessor {
+	return &dataMongoAccessor{}
+}
+
+/*
+* Nothing special here, just the basic CRUD operations
+ */
+
+func (dma *dataMongoAccessor) DeleteOne(id string) (utils.DBObject, int, error) {
+	return dma.GenericDeleteOne(id, dma)
+}
+
+func (dma *dataMongoAccessor) UpdateOne(set utils.DBObject, id string) (utils.DBObject, int, error) {
+	set.(*DataResource).ResourceModel = nil
+	return dma.GenericUpdateOne(set, id, dma, &DataResource{})
+}
+
+func (dma *dataMongoAccessor) StoreOne(data utils.DBObject) (utils.DBObject, int, error) {
+	data.(*DataResource).ResourceModel = nil
+	return dma.GenericStoreOne(data, dma)
+}
+
+func (dma *dataMongoAccessor) CopyOne(data utils.DBObject) (utils.DBObject, int, error) {
+	return dma.GenericStoreOne(data, dma)
+}
+
+func (dma *dataMongoAccessor) LoadOne(id string) (utils.DBObject, int, error) {
+	var data DataResource
+	res_mongo, code, err := mongo.MONGOService.LoadOne(id, dma.GetType())
+	if err != nil {
+		dma.Logger.Error().Msg("Could not retrieve " + id + " from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	res_mongo.Decode(&data)
+	accessor := (&resource_model.ResourceModel{}).GetAccessor(nil)
+	resources, _, err := accessor.Search(nil, dma.GetType())
+	if err == nil && len(resources) > 0 {
+		data.ResourceModel = resources[0].(*resource_model.ResourceModel)
+	}
+	return &data, 200, nil
+}
+
+func (wfa dataMongoAccessor) LoadAll() ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	res_mongo, code, err := mongo.MONGOService.LoadAll(wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve any from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []DataResource
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	accessor := (&resource_model.ResourceModel{}).GetAccessor(nil)
+	resources, _, err := accessor.Search(nil, wfa.GetType())
+	for _, r := range results {
+		if err == nil && len(resources) > 0 {
+			r.ResourceModel = resources[0].(*resource_model.ResourceModel)
+		}
+		objs = append(objs, &r) // only get the abstract resource !
+	}
+	return objs, 200, nil
+}
+
+func (wfa *dataMongoAccessor) Search(filters *dbs.Filters, search string) ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	if (filters == nil || len(filters.And) == 0 || len(filters.Or) == 0) && search != "" {
+		filters = &dbs.Filters{
+			Or: map[string][]dbs.Filter{ // filter by like name, short_description, description, owner, url if no filters are provided
+				"abstractresource.abstractobject.name": {{Operator: dbs.LIKE.String(), Value: search}},
+				"abstractresource.short_description":   {{Operator: dbs.LIKE.String(), Value: search}},
+				"abstractresource.description":         {{Operator: dbs.LIKE.String(), Value: search}},
+				"abstractresource.owner":               {{Operator: dbs.LIKE.String(), Value: search}},
+				"abstractresource.source_url":          {{Operator: dbs.LIKE.String(), Value: search}},
+			},
+		}
+	}
+	res_mongo, code, err := mongo.MONGOService.Search(filters, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not store to db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []DataResource
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	accessor := (&resource_model.ResourceModel{}).GetAccessor(nil)
+	resources, _, err := accessor.Search(nil, wfa.GetType())
+	for _, r := range results {
+		if err == nil && len(resources) > 0 {
+			r.ResourceModel = resources[0].(*resource_model.ResourceModel)
+		}
+		objs = append(objs, &r) // only get the abstract resource !
+	}
+	return objs, 200, nil
+}

models/resources/data/data_test.go

@@ -0,0 +1,53 @@
+package data
+
+import (
+	"testing"
+
+	"cloud.o-forge.io/core/oc-lib/models/resource_model"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestStoreOneData(t *testing.T) {
+	d := DataResource{
+		WebResource: resource_model.WebResource{
+			Protocol: "http", Path: "azerty.fr",
+		},
+		Example: "123456",
+		AbstractResource: resource_model.AbstractResource{
+			AbstractObject: utils.AbstractObject{Name: "testData"},
+			Description:    "Lorem Ipsum",
+			Logo:           "azerty.com",
+			Owner:          "toto",
+			OwnerLogo:      "totoLogo",
+			SourceUrl:      "azerty.fr",
+		},
+	}
+
+	dma := New()
+	id, _, _ := dma.StoreOne(&d)
+
+	assert.NotEmpty(t, id)
+}
+
+func TestLoadOneDate(t *testing.T) {
+	d := DataResource{
+		WebResource: resource_model.WebResource{
+			Protocol: "http", Path: "azerty.fr",
+		},
+		Example: "123456",
+		AbstractResource: resource_model.AbstractResource{
+			AbstractObject: utils.AbstractObject{Name: "testData"},
+			Description:    "Lorem Ipsum",
+			Logo:           "azerty.com",
+			Owner:          "toto",
+			OwnerLogo:      "totoLogo",
+			SourceUrl:      "azerty.fr",
+		},
+	}
+
+	dma := New()
+	new_d, _, _ := dma.StoreOne(&d)
+	assert.Equal(t, d, new_d)
+}

models/resources/processing/processing.go

@@ -0,0 +1,67 @@
+package processing
+
+import (
+	"encoding/json"
+
+	"cloud.o-forge.io/core/oc-lib/models/resource_model"
+	"cloud.o-forge.io/core/oc-lib/models/resources/compute"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	"cloud.o-forge.io/core/oc-lib/tools"
+)
+
+type Container struct {
+	Image   string            `json:"image,omitempty" bson:"image,omitempty"`     // Image is the container image
+	Command string            `json:"command,omitempty" bson:"command,omitempty"` // Command is the container command
+	Args    string            `json:"args,omitempty" bson:"args,omitempty"`       // Args is the container arguments
+	Env     map[string]string `json:"env,omitempty" bson:"env,omitempty"`         // Env is the container environment variables
+	Volumes map[string]string `json:"volumes,omitempty" bson:"volumes,omitempty"` // Volumes is the container volumes
+}
+
+type Expose struct {
+	Port    int    `json:"port,omitempty" bson:"port,omitempty"`       // Port is the port
+	Reverse string `json:"reverse,omitempty" bson:"reverse,omitempty"` // Reverse is the reverse
+	PAT     int    `json:"pat,omitempty" bson:"pat,omitempty"`         // PAT is the PAT
+}
+
+/*
+* ProcessingResource is a struct that represents a processing resource
+* it defines the resource processing
+ */
+type ProcessingResource struct {
+	resource_model.AbstractResource
+	IsService    bool              `json:"is_service,omitempty" bson:"is_service,omitempty"`       // IsService is a flag that indicates if the processing is a service
+	CPUs         []*compute.CPU `bson:"cpus,omitempty" json:"cp_us,omitempty"`                  // CPUs is the list of CPUs
+	GPUs         []*compute.GPU `bson:"gpus,omitempty" json:"gp_us,omitempty"`                  // GPUs is the list of GPUs
+	RAM          *compute.RAM   `bson:"ram,omitempty" json:"ram,omitempty"`                     // RAM is the RAM
+	Storage      uint              `bson:"storage,omitempty" json:"storage,omitempty"`             // Storage is the storage
+	Parallel     bool              `bson:"parallel,omitempty" json:"parallel,omitempty"`           // Parallel is a flag that indicates if the processing is parallel
+	ScalingModel uint              `bson:"scaling_model,omitempty" json:"scaling_model,omitempty"` // ScalingModel is the scaling model
+	DiskIO       string            `bson:"disk_io,omitempty" json:"disk_io,omitempty"`             // DiskIO is the disk IO
+	Container    *Container        `bson:"container,omitempty" json:"container,omitempty"`         // Container is the container
+	Expose       []Expose          `bson:"expose,omitempty" json:"expose,omitempty"`               // Expose is the execution
+}
+
+func (dma *ProcessingResource) Deserialize(j map[string]interface{}) utils.DBObject {
+	b, err := json.Marshal(j)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, dma)
+	return dma
+}
+
+func (dma *ProcessingResource) Serialize() map[string]interface{} {
+	var m map[string]interface{}
+	b, err := json.Marshal(dma)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, &m)
+	return m
+}
+
+func (d *ProcessingResource) GetAccessor(caller *tools.HTTPCaller) utils.Accessor {
+	data := New()                                // Create a new instance of the accessor
+	data.Init(tools.PROCESSING_RESOURCE, caller) // Initialize the accessor with the PROCESSING_RESOURCE model type
+	return data
+}

models/resources/processing/processing_mongo_accessor.go

@@ -0,0 +1,114 @@
+package processing
+
+import (
+	"cloud.o-forge.io/core/oc-lib/dbs"
+	"cloud.o-forge.io/core/oc-lib/dbs/mongo"
+	"cloud.o-forge.io/core/oc-lib/models/resource_model"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+)
+
+type processingMongoAccessor struct {
+	utils.AbstractAccessor // AbstractAccessor contains the basic fields of an accessor (model, caller)
+}
+
+// New creates a new instance of the processingMongoAccessor
+func New() *processingMongoAccessor {
+	return &processingMongoAccessor{}
+}
+
+/*
+* Nothing special here, just the basic CRUD operations
+ */
+
+func (pma *processingMongoAccessor) DeleteOne(id string) (utils.DBObject, int, error) {
+	return pma.GenericDeleteOne(id, pma)
+}
+
+func (pma *processingMongoAccessor) UpdateOne(set utils.DBObject, id string) (utils.DBObject, int, error) {
+	set.(*ProcessingResource).ResourceModel = nil
+	return pma.GenericUpdateOne(set, id, pma, &ProcessingResource{})
+}
+
+func (pma *processingMongoAccessor) StoreOne(data utils.DBObject) (utils.DBObject, int, error) {
+	data.(*ProcessingResource).ResourceModel = nil
+	return pma.GenericStoreOne(data, pma)
+}
+
+func (pma *processingMongoAccessor) CopyOne(data utils.DBObject) (utils.DBObject, int, error) {
+	return pma.GenericStoreOne(data, pma)
+}
+
+func (pma *processingMongoAccessor) LoadOne(id string) (utils.DBObject, int, error) {
+
+	var processing ProcessingResource
+
+	res_mongo, code, err := mongo.MONGOService.LoadOne(id, pma.GetType())
+	if err != nil {
+		pma.Logger.Error().Msg("Could not retrieve " + id + " from db. Error: " + err.Error())
+		return nil, code, err
+	}
+
+	res_mongo.Decode(&processing)
+	accessor := (&resource_model.ResourceModel{}).GetAccessor(nil)
+	resources, _, err := accessor.Search(nil, pma.GetType())
+	if err == nil && len(resources) > 0 {
+		processing.ResourceModel = resources[0].(*resource_model.ResourceModel)
+	}
+	return &processing, 200, nil
+}
+
+func (wfa processingMongoAccessor) LoadAll() ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	res_mongo, code, err := mongo.MONGOService.LoadAll(wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve any from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []ProcessingResource
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	accessor := (&resource_model.ResourceModel{}).GetAccessor(nil)
+	resources, _, err := accessor.Search(nil, wfa.GetType())
+	for _, r := range results {
+		if err == nil && len(resources) > 0 {
+			r.ResourceModel = resources[0].(*resource_model.ResourceModel)
+		}
+		objs = append(objs, &r) // only get the abstract resource !
+	}
+	return objs, 200, nil
+}
+
+// Search searches for processing resources in the database, given some filters OR a search string
+func (wfa *processingMongoAccessor) Search(filters *dbs.Filters, search string) ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	if (filters == nil || len(filters.And) == 0 || len(filters.Or) == 0) && search != "" {
+		filters = &dbs.Filters{
+			Or: map[string][]dbs.Filter{ // filter by like name, short_description, description, owner, url if no filters are provided
+				"abstractresource.abstractobject.name": {{Operator: dbs.LIKE.String(), Value: search}},
+				"abstractresource.short_description":   {{Operator: dbs.LIKE.String(), Value: search}},
+				"abstractresource.description":         {{Operator: dbs.LIKE.String(), Value: search}},
+				"abstractresource.owner":               {{Operator: dbs.LIKE.String(), Value: search}},
+				"abstractresource.source_url":          {{Operator: dbs.LIKE.String(), Value: search}},
+			},
+		}
+	}
+	res_mongo, code, err := mongo.MONGOService.Search(filters, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not store to db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []ProcessingResource
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	accessor := (&resource_model.ResourceModel{}).GetAccessor(nil)
+	resources, _, err := accessor.Search(nil, wfa.GetType())
+	for _, r := range results {
+		if err == nil && len(resources) > 0 {
+			r.ResourceModel = resources[0].(*resource_model.ResourceModel)
+		}
+		objs = append(objs, &r) // only get the abstract resource !
+	}
+	return objs, 200, nil
+}

models/resources/processing/processing_test.go

@@ -0,0 +1,38 @@
+package processing
+
+/*
+func TestStoreOneProcessing(t *testing.T) {
+	p := ProcessingResource{Container: "totoCont",
+		AbstractResource: resources.AbstractResource{
+			AbstractObject: utils.AbstractObject{Name: "testData"},
+			Description:    "Lorem Ipsum",
+			Logo:           "azerty.com",
+			Owner:          "toto",
+			OwnerLogo:      "totoLogo",
+			SourceUrl:      "azerty.fr",
+		},
+	}
+
+	sma := ProcessingMongoAccessor{}
+	id, _, _ := sma.StoreOne(&p)
+
+	assert.NotEmpty(t, id)
+}
+
+func TestLoadOneProcessing(t *testing.T) {
+	p := ProcessingResource{Container: "totoCont",
+		AbstractResource: resources.AbstractResource{
+			AbstractObject: utils.AbstractObject{Name: "testData"},
+			Description:    "Lorem Ipsum",
+			Logo:           "azerty.com",
+			Owner:          "toto",
+			OwnerLogo:      "totoLogo",
+			SourceUrl:      "azerty.fr",
+		},
+	}
+
+	sma := ProcessingMongoAccessor{}
+	new_s, _, _ := sma.StoreOne(&p)
+	assert.Equal(t, p, new_s)
+}
+*/

models/resources/resource.go

@@ -0,0 +1,57 @@
+package resources
+
+import (
+	"cloud.o-forge.io/core/oc-lib/models/resource_model"
+	"cloud.o-forge.io/core/oc-lib/models/resources/data"
+	"cloud.o-forge.io/core/oc-lib/models/resources/compute"
+	"cloud.o-forge.io/core/oc-lib/models/resources/processing"
+	"cloud.o-forge.io/core/oc-lib/models/resources/storage"
+	w "cloud.o-forge.io/core/oc-lib/models/resources/workflow"
+)
+
+// AbstractResource is the struct containing all of the attributes commons to all ressources
+
+// Resource is the interface to be implemented by all classes inheriting from Resource to have the same behavior
+
+// http://www.inanzzz.com/index.php/post/wqbs/a-basic-usage-of-int-and-string-enum-types-in-golang
+type ResourceSet struct {
+	Datas       []string `bson:"datas,omitempty" json:"datas,omitempty"`
+	Storages    []string `bson:"storages,omitempty" json:"storages,omitempty"`
+	Processings []string `bson:"processings,omitempty" json:"processings,omitempty"`
+	Computes []string `bson:"computes,omitempty" json:"computes,omitempty"`
+	Workflows   []string `bson:"workflows,omitempty" json:"workflows,omitempty"`
+
+	DataResources       []*data.DataResource             `bson:"-" json:"data_resources,omitempty"`
+	StorageResources    []*storage.StorageResource       `bson:"-" json:"storage_resources,omitempty"`
+	ProcessingResources []*processing.ProcessingResource `bson:"-" json:"processing_resources,omitempty"`
+	ComputeResources []*compute.ComputeResource `bson:"-" json:"compute_resources,omitempty"`
+	WorkflowResources   []*w.WorkflowResource            `bson:"-" json:"workflow_resources,omitempty"`
+}
+
+type ItemResource struct {
+	Data       *data.DataResource             `bson:"data,omitempty" json:"data,omitempty"`
+	Processing *processing.ProcessingResource `bson:"processing,omitempty" json:"processing,omitempty"`
+	Storage    *storage.StorageResource       `bson:"storage,omitempty" json:"storage,omitempty"`
+	Compute *compute.ComputeResource `bson:"compute,omitempty" json:"compute,omitempty"`
+	Workflow   *w.WorkflowResource            `bson:"workflow,omitempty" json:"workflow,omitempty"`
+}
+
+func (i *ItemResource) GetAbstractRessource() *resource_model.AbstractResource {
+	
+	if(i.Data != nil){
+		return &i.Data.AbstractResource
+	}
+	if(i.Processing != nil){
+		return &i.Processing.AbstractResource
+	}
+	if(i.Storage != nil){
+		return &i.Storage.AbstractResource
+	}
+	if(i.Compute != nil){
+		return &i.Compute.AbstractResource
+	}
+	if(i.Workflow != nil){
+		return &i.Workflow.AbstractResource
+	}
+	return nil
+}

models/resources/storage/storage.go

@@ -0,0 +1,84 @@
+package storage
+
+import (
+	"encoding/json"
+
+	"cloud.o-forge.io/core/oc-lib/models/resource_model"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	"cloud.o-forge.io/core/oc-lib/tools"
+)
+
+type StorageSize int
+
+// StorageType - Enum that defines the type of storage
+const (
+	GB StorageSize = iota
+	MB
+	KB
+)
+
+var argoType = [...]string{
+	"Gi",
+	"Mi",
+	"Ki",
+}
+
+// New creates a new instance of the StorageResource struct
+func (dma StorageSize) ToArgo() string {
+	return argoType[dma]
+}
+
+// enum of a data type
+type StorageType int
+
+const (
+	FILE = iota
+	STREAM
+	API
+	DATABASE
+	S3
+	MEMORY
+	HARDWARE
+)
+
+/*
+* StorageResource is a struct that represents a storage resource
+* it defines the resource storage
+ */
+type StorageResource struct {
+	resource_model.AbstractResource // AbstractResource contains the basic fields of an object (id, name)
+	resource_model.WebResource
+	Type       StorageType `bson:"type,omitempty" json:"type,omitempty"`             // Type is the type of the storage
+	Acronym    string      `bson:"acronym,omitempty" json:"acronym,omitempty"`       // Acronym is the acronym of the storage
+	SizeType   StorageSize `bson:"size_type" json:"size_type" default:"0"`           // SizeType is the type of the storage size
+	Size       uint        `bson:"size,omitempty" json:"size,omitempty"`             // Size is the size of the storage
+	Local      bool        `bson:"local" json:"local"`                               // Local is a flag that indicates if the storage is local
+	Encryption bool        `bson:"encryption,omitempty" json:"encryption,omitempty"` // Encryption is a flag that indicates if the storage is encrypted
+	Redundancy string      `bson:"redundancy,omitempty" json:"redundancy,omitempty"` // Redundancy is the redundancy of the storage
+	Throughput string      `bson:"throughput,omitempty" json:"throughput,omitempty"` // Throughput is the throughput of the storage
+}
+
+func (dma *StorageResource) Deserialize(j map[string]interface{}) utils.DBObject {
+	b, err := json.Marshal(j)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, dma)
+	return dma
+}
+
+func (dma *StorageResource) Serialize() map[string]interface{} {
+	var m map[string]interface{}
+	b, err := json.Marshal(dma)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, &m)
+	return m
+}
+
+func (d *StorageResource) GetAccessor(caller *tools.HTTPCaller) utils.Accessor {
+	data := New()                             // Create a new instance of the accessor
+	data.Init(tools.STORAGE_RESOURCE, caller) // Initialize the accessor with the STORAGE_RESOURCE model type
+	return data
+}

models/resources/storage/storage_mongo_accessor.go

@@ -0,0 +1,114 @@
+package storage
+
+import (
+	"cloud.o-forge.io/core/oc-lib/dbs"
+	"cloud.o-forge.io/core/oc-lib/dbs/mongo"
+	"cloud.o-forge.io/core/oc-lib/models/resource_model"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+)
+
+type storageMongoAccessor struct {
+	utils.AbstractAccessor // AbstractAccessor contains the basic fields of an accessor (model, caller)
+}
+
+// New creates a new instance of the storageMongoAccessor
+func New() *storageMongoAccessor {
+	return &storageMongoAccessor{}
+}
+
+/*
+* Nothing special here, just the basic CRUD operations
+ */
+
+func (sma *storageMongoAccessor) DeleteOne(id string) (utils.DBObject, int, error) {
+	return sma.GenericDeleteOne(id, sma)
+}
+
+func (sma *storageMongoAccessor) UpdateOne(set utils.DBObject, id string) (utils.DBObject, int, error) {
+	set.(*StorageResource).ResourceModel = nil
+	return sma.GenericUpdateOne(set, id, sma, &StorageResource{})
+}
+
+func (sma *storageMongoAccessor) StoreOne(data utils.DBObject) (utils.DBObject, int, error) {
+	data.(*StorageResource).ResourceModel = nil
+	return sma.GenericStoreOne(data, sma)
+}
+
+func (sma *storageMongoAccessor) CopyOne(data utils.DBObject) (utils.DBObject, int, error) {
+	return sma.GenericStoreOne(data, sma)
+}
+
+func (sma *storageMongoAccessor) LoadOne(id string) (utils.DBObject, int, error) {
+
+	var storage StorageResource
+
+	res_mongo, code, err := mongo.MONGOService.LoadOne(id, sma.GetType())
+	if err != nil {
+		sma.Logger.Error().Msg("Could not retrieve " + id + " from db. Error: " + err.Error())
+		return nil, code, err
+	}
+
+	res_mongo.Decode(&storage)
+	accessor := (&resource_model.ResourceModel{}).GetAccessor(nil)
+	resources, _, err := accessor.Search(nil, sma.GetType())
+	if err == nil && len(resources) > 0 {
+		storage.ResourceModel = resources[0].(*resource_model.ResourceModel)
+	}
+	return &storage, 200, nil
+}
+
+func (wfa storageMongoAccessor) LoadAll() ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	res_mongo, code, err := mongo.MONGOService.LoadAll(wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve any from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []StorageResource
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	accessor := (&resource_model.ResourceModel{}).GetAccessor(nil)
+	resources, _, err := accessor.Search(nil, wfa.GetType())
+	for _, r := range results {
+		if err == nil && len(resources) > 0 {
+			r.ResourceModel = resources[0].(*resource_model.ResourceModel)
+		}
+		objs = append(objs, &r) // only get the abstract resource !
+	}
+	return objs, 200, nil
+}
+
+// Search searches for storage resources in the database, given some filters OR a search string
+func (wfa *storageMongoAccessor) Search(filters *dbs.Filters, search string) ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	if (filters == nil || len(filters.And) == 0 || len(filters.Or) == 0) && search != "" {
+		filters = &dbs.Filters{
+			Or: map[string][]dbs.Filter{ // filter by like name, short_description, description, owner, url if no filters are provided
+				"abstractresource.abstractobject.name": {{Operator: dbs.LIKE.String(), Value: search}},
+				"abstractresource.short_description":   {{Operator: dbs.LIKE.String(), Value: search}},
+				"abstractresource.description":         {{Operator: dbs.LIKE.String(), Value: search}},
+				"abstractresource.owner":               {{Operator: dbs.LIKE.String(), Value: search}},
+				"abstractresource.source_url":          {{Operator: dbs.LIKE.String(), Value: search}},
+			},
+		}
+	}
+	res_mongo, code, err := mongo.MONGOService.Search(filters, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not store to db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []StorageResource
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	accessor := (&resource_model.ResourceModel{}).GetAccessor(nil)
+	resources, _, err := accessor.Search(nil, wfa.GetType())
+	for _, r := range results {
+		if err == nil && len(resources) > 0 {
+			r.ResourceModel = resources[0].(*resource_model.ResourceModel)
+		}
+		objs = append(objs, &r) // only get the abstract resource !
+	}
+	return objs, 200, nil
+}

models/resources/storage/storage_test.go

@@ -0,0 +1,46 @@
+package storage
+
+import (
+	"testing"
+
+	"cloud.o-forge.io/core/oc-lib/models/resource_model"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestStoreOneStorage(t *testing.T) {
+	s := StorageResource{Size: 123, WebResource: resource_model.WebResource{Protocol: "http", Path: "azerty.fr"},
+		AbstractResource: resource_model.AbstractResource{
+			AbstractObject: utils.AbstractObject{Name: "testData"},
+			Description:    "Lorem Ipsum",
+			Logo:           "azerty.com",
+			Owner:          "toto",
+			OwnerLogo:      "totoLogo",
+			SourceUrl:      "azerty.fr",
+		},
+	}
+
+	sma := New()
+	id, _, _ := sma.StoreOne(&s)
+
+	assert.NotEmpty(t, id)
+}
+
+func TestLoadOneStorage(t *testing.T) {
+	s := StorageResource{Size: 123, WebResource: resource_model.WebResource{Protocol: "http", Path: "azerty.fr"},
+		AbstractResource: resource_model.AbstractResource{
+			AbstractObject: utils.AbstractObject{Name: "testData"},
+			Description:    "Lorem Ipsum",
+			Logo:           "azerty.com",
+			Owner:          "toto",
+			OwnerLogo:      "totoLogo",
+			SourceUrl:      "azerty.fr",
+		},
+	}
+
+	sma := New()
+	new_s, _, _ := sma.StoreOne(&s)
+
+	assert.Equal(t, s, new_s)
+}

models/resources/workflow/graph/graph.go

@@ -0,0 +1,70 @@
+package graph
+
+import (
+	"cloud.o-forge.io/core/oc-lib/models/resources"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	"cloud.o-forge.io/core/oc-lib/tools"
+)
+
+// Graph is a struct that represents a graph
+type Graph struct {
+	Zoom  float64              `bson:"zoom" json:"zoom" default:"1"`                        // Zoom is the graphical zoom of the graph
+	Items map[string]GraphItem `bson:"items" json:"items" default:"{}" validate:"required"` // Items is the list of elements in the graph
+	Links []GraphLink          `bson:"links" json:"links" default:"{}" validate:"required"` // Links is the list of links between elements in the graph
+}
+
+func (g *Graph) GetResource(id string) (string, utils.DBObject) {
+	if item, ok := g.Items[id]; ok {
+		if item.Data != nil {
+			return tools.DATA_RESOURCE.String(), item.Data
+		} else if item.Compute != nil {
+			return tools.COMPUTE_RESOURCE.String(), item.Compute
+		} else if item.Workflow != nil {
+			return tools.WORKFLOW_RESOURCE.String(), item.Workflow
+		} else if item.Processing != nil {
+			return tools.PROCESSING_RESOURCE.String(), item.Processing
+		} else if item.Storage != nil {
+			return tools.STORAGE_RESOURCE.String(), item.Storage
+		}
+	}
+	return "", nil
+}
+
+// GraphItem is a struct that represents an item in a graph
+type GraphItem struct {
+	ID                      string   `bson:"id" json:"id" validate:"required"`             // ID is the unique identifier of the item
+	Width                   float64  `bson:"width" json:"width" validate:"required"`       // Width is the graphical width of the item
+	Height                  float64  `bson:"height" json:"height" validate:"required"`     // Height is the graphical height of the item
+	Position                Position `bson:"position" json:"position" validate:"required"` // Position is the graphical position of the item
+	*resources.ItemResource          // ItemResource is the resource of the item affected to the item
+}
+
+// GraphLink is a struct that represents a link between two items in a graph
+type GraphLink struct {
+	Source      Position        `bson:"source" json:"source" validate:"required"`           // Source is the source graphical position of the link
+	Destination Position        `bson:"destination" json:"destination" validate:"required"` // Destination is the destination graphical position of the link
+	Style       *GraphLinkStyle `bson:"style,omitempty" json:"style,omitempty"`             // Style is the graphical style of the link
+}
+
+// GraphLinkStyle is a struct that represents the style of a link in a graph
+type GraphLinkStyle struct {
+	Color           int64    `bson:"color" json:"color"`                         // Color is the graphical color of the link (int description of a color, can be transpose as hex)
+	Stroke          float64  `bson:"stroke" json:"stroke"`                       // Stroke is the graphical stroke of the link
+	Tension         float64  `bson:"tension" json:"tension"`                     // Tension is the graphical tension of the link
+	HeadRadius      float64  `bson:"head_radius" json:"head_radius"`             // graphical pin radius
+	DashWidth       float64  `bson:"dash_width" json:"dash_width"`               // DashWidth is the graphical dash width of the link
+	DashSpace       float64  `bson:"dash_space" json:"dash_space"`               // DashSpace is the graphical dash space of the link
+	EndArrow        Position `bson:"end_arrow" json:"end_arrow"`                 // EndArrow is the graphical end arrow of the link
+	StartArrow      Position `bson:"start_arrow" json:"start_arrow"`             // StartArrow is the graphical start arrow of the link
+	ArrowStyle      int64    `bson:"arrow_style" json:"arrow_style"`             // ArrowStyle is the graphical arrow style of the link (enum foundable in UI)
+	ArrowDirection  int64    `bson:"arrow_direction" json:"arrow_direction"`     // ArrowDirection is the graphical arrow direction of the link (enum foundable in UI)
+	StartArrowWidth float64  `bson:"start_arrow_width" json:"start_arrow_width"` // StartArrowWidth is the graphical start arrow width of the link
+	EndArrowWidth   float64  `bson:"end_arrow_width" json:"end_arrow_width"`     // EndArrowWidth is the graphical end arrow width of the link
+}
+
+// Position is a struct that represents a graphical position
+type Position struct {
+	ID string  `json:"id" bson:"id"`                   // ID reprents ItemID (optionnal), TODO: rename to ItemID
+	X  float64 `json:"x" bson:"x" validate:"required"` // X is the graphical x position
+	Y  float64 `json:"y" bson:"y" validate:"required"` // Y is the graphical y position
+}

models/resources/workflow/workflow.go

@@ -0,0 +1,41 @@
+package oclib
+
+import (
+	"encoding/json"
+
+	"cloud.o-forge.io/core/oc-lib/models/resource_model"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	"cloud.o-forge.io/core/oc-lib/tools"
+)
+
+// WorkflowResource is a struct that represents a workflow resource
+// it defines the resource workflow
+type WorkflowResource struct {
+	resource_model.AbstractResource
+	WorkflowID string `bson:"workflow_id,omitempty" json:"workflow_id,omitempty"` // WorkflowID is the ID of the native workflow
+}
+
+func (d *WorkflowResource) GetAccessor(caller *tools.HTTPCaller) utils.Accessor {
+	data := New()                              // Create a new instance of the accessor
+	data.Init(tools.WORKFLOW_RESOURCE, caller) // Initialize the accessor with the WORKFLOW_RESOURCE model type
+	return data
+}
+
+func (dma *WorkflowResource) Deserialize(j map[string]interface{}) utils.DBObject {
+	b, err := json.Marshal(j)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, dma)
+	return dma
+}
+
+func (dma *WorkflowResource) Serialize() map[string]interface{} {
+	var m map[string]interface{}
+	b, err := json.Marshal(dma)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, &m)
+	return m
+}

models/resources/workflow/workflow_mongo_accessor.go

@@ -0,0 +1,113 @@
+package oclib
+
+import (
+	"cloud.o-forge.io/core/oc-lib/dbs"
+	"cloud.o-forge.io/core/oc-lib/dbs/mongo"
+	"cloud.o-forge.io/core/oc-lib/models/resource_model"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+)
+
+type workflowResourceMongoAccessor struct {
+	utils.AbstractAccessor // AbstractAccessor contains the basic fields of an accessor (model, caller)
+}
+
+func New() *workflowResourceMongoAccessor {
+	return &workflowResourceMongoAccessor{}
+}
+
+func (wfa *workflowResourceMongoAccessor) DeleteOne(id string) (utils.DBObject, int, error) {
+	return wfa.GenericDeleteOne(id, wfa)
+}
+
+func (wfa *workflowResourceMongoAccessor) UpdateOne(set utils.DBObject, id string) (utils.DBObject, int, error) {
+	set.(*WorkflowResource).ResourceModel = nil
+	return wfa.GenericUpdateOne(set, id, wfa, &WorkflowResource{})
+}
+
+func (wfa *workflowResourceMongoAccessor) StoreOne(data utils.DBObject) (utils.DBObject, int, error) {
+	data.(*WorkflowResource).ResourceModel = nil
+	return wfa.GenericStoreOne(data, wfa)
+}
+
+func (wfa *workflowResourceMongoAccessor) CopyOne(data utils.DBObject) (utils.DBObject, int, error) {
+	res, _, _ := wfa.LoadOne(data.GetID())
+	data.(*WorkflowResource).WorkflowID = data.GetID()
+	if res == nil {
+		return wfa.GenericStoreOne(data, wfa)
+	} else {
+		data.(*WorkflowResource).UUID = res.GetID()
+		return wfa.GenericUpdateOne(data, res.GetID(), wfa, &WorkflowResource{})
+	}
+}
+
+func (wfa *workflowResourceMongoAccessor) LoadOne(id string) (utils.DBObject, int, error) {
+	var workflow WorkflowResource
+	res_mongo, code, err := mongo.MONGOService.LoadOne(id, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve " + id + " from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	res_mongo.Decode(&workflow)
+	accessor := (&resource_model.ResourceModel{}).GetAccessor(nil)
+	resources, _, err := accessor.Search(nil, wfa.GetType())
+	if err == nil && len(resources) > 0 {
+		workflow.ResourceModel = resources[0].(*resource_model.ResourceModel)
+	}
+	return &workflow, 200, nil
+}
+
+func (wfa workflowResourceMongoAccessor) LoadAll() ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	res_mongo, code, err := mongo.MONGOService.LoadAll(wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve any from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []WorkflowResource
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	accessor := (&resource_model.ResourceModel{}).GetAccessor(nil)
+	resources, _, err := accessor.Search(nil, wfa.GetType())
+	for _, r := range results {
+		if err == nil && len(resources) > 0 {
+			r.ResourceModel = resources[0].(*resource_model.ResourceModel)
+		}
+		objs = append(objs, &r)
+	}
+	return objs, 200, nil
+}
+
+// Search searches for workflow resources in the database, given some filters OR a search string
+func (wfa *workflowResourceMongoAccessor) Search(filters *dbs.Filters, search string) ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	if (filters == nil || len(filters.And) == 0 || len(filters.Or) == 0) && search != "" {
+		filters = &dbs.Filters{
+			Or: map[string][]dbs.Filter{ // filter by like name, short_description, description, owner, url if no filters are provided
+				"abstractresource.abstractobject.name": {{Operator: dbs.LIKE.String(), Value: search}},
+				"abstractresource.short_description":   {{Operator: dbs.LIKE.String(), Value: search}},
+				"abstractresource.description":         {{Operator: dbs.LIKE.String(), Value: search}},
+				"abstractresource.owner":               {{Operator: dbs.LIKE.String(), Value: search}},
+				"abstractresource.source_url":          {{Operator: dbs.LIKE.String(), Value: search}},
+			},
+		}
+	}
+	res_mongo, code, err := mongo.MONGOService.Search(filters, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not store to db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []WorkflowResource
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	accessor := (&resource_model.ResourceModel{}).GetAccessor(nil)
+	resources, _, err := accessor.Search(nil, wfa.GetType())
+	for _, r := range results {
+		if err == nil && len(resources) > 0 {
+			r.ResourceModel = resources[0].(*resource_model.ResourceModel)
+		}
+		objs = append(objs, &r)
+	}
+	return objs, 200, nil
+}

models/resources/workflow/workflow_test.go

@@ -0,0 +1,43 @@
+package oclib
+
+import (
+	"testing"
+
+	"cloud.o-forge.io/core/oc-lib/models/resource_model"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestStoreOneWorkflow(t *testing.T) {
+	w := WorkflowResource{AbstractResource: resource_model.AbstractResource{
+		AbstractObject: utils.AbstractObject{Name: "testWorkflow"},
+		Description:    "Lorem Ipsum",
+		Logo:           "azerty.com",
+		Owner:          "toto",
+		OwnerLogo:      "totoLogo",
+		SourceUrl:      "azerty.fr",
+	},
+	}
+
+	wma := New()
+	id, _, _ := wma.StoreOne(&w)
+
+	assert.NotEmpty(t, id)
+}
+
+func TestLoadOneWorkflow(t *testing.T) {
+	w := WorkflowResource{AbstractResource: resource_model.AbstractResource{
+		AbstractObject: utils.AbstractObject{Name: "testWorkflow"},
+		Description:    "Lorem Ipsum",
+		Logo:           "azerty.com",
+		Owner:          "toto",
+		OwnerLogo:      "totoLogo",
+		SourceUrl:      "azerty.fr",
+	},
+	}
+
+	wma := New()
+	new_w, _, _ := wma.StoreOne(&w)
+	assert.Equal(t, w, new_w)
+}

models/utils/abstracts.go

@@ -0,0 +1,162 @@
+package utils
+
+import (
+	"encoding/json"
+	"errors"
+	"time"
+
+	"cloud.o-forge.io/core/oc-lib/dbs"
+	"cloud.o-forge.io/core/oc-lib/dbs/mongo"
+	"cloud.o-forge.io/core/oc-lib/logs"
+	"cloud.o-forge.io/core/oc-lib/tools"
+	"github.com/go-playground/validator/v10"
+	"github.com/google/uuid"
+	"github.com/rs/zerolog"
+)
+
+// single instance of the validator used in every model Struct to validate the fields
+var validate = validator.New(validator.WithRequiredStructEnabled())
+
+/*
+* AbstractObject is a struct that represents the basic fields of an object
+* it defines the object id and name
+* every data in base root model should inherit from this struct (only exception is the ResourceModel)
+ */
+type AbstractObject struct {
+	UUID           string    `json:"id,omitempty" bson:"id,omitempty" validate:"required"`
+	Name           string    `json:"name,omitempty" bson:"name,omitempty" validate:"required"`
+	UpdateDate     time.Time `json:"update_date" bson:"update_date"`
+	LastPeerWriter string    `json:"last_peer_writer" bson:"last_peer_writer"`
+}
+
+// GetID returns the id of the object (abstract)
+func (ao *AbstractObject) GetID() string {
+	return ao.UUID
+}
+
+// GetName returns the name of the object (abstract)
+func (ao *AbstractObject) GetName() string {
+	return ao.Name
+}
+
+func (ao *AbstractObject) UpToDate() {
+	ao.UpdateDate = time.Now()
+	// ao.LastPeerWriter, _ = static.GetMyLocalJsonPeer()
+}
+
+// GetAccessor returns the accessor of the object (abstract)
+func (dma *AbstractObject) GetAccessor(caller *tools.HTTPCaller) Accessor {
+	return nil
+}
+
+func (dma *AbstractObject) Deserialize(j map[string]interface{}) DBObject {
+	b, err := json.Marshal(j)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, dma)
+	return dma
+}
+
+func (dma *AbstractObject) Serialize() map[string]interface{} {
+	var m map[string]interface{}
+	b, err := json.Marshal(dma)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, &m)
+	return m
+}
+
+func (r *AbstractObject) GenerateID() {
+	if r.UUID == "" {
+		r.UUID = uuid.New().String()
+	}
+}
+
+type AbstractAccessor struct {
+	Logger zerolog.Logger    // Logger is the logger of the accessor, it's a specilized logger for the accessor
+	Type   string            // Type is the data type of the accessor
+	Caller *tools.HTTPCaller // Caller is the http caller of the accessor (optionnal) only need in a peer connection
+}
+
+func (dma *AbstractAccessor) GetType() string {
+	return dma.Type
+}
+
+func (dma *AbstractAccessor) GetCaller() *tools.HTTPCaller {
+	return dma.Caller
+}
+
+// Init initializes the accessor with the data type and the http caller
+func (dma *AbstractAccessor) Init(t tools.DataType, caller *tools.HTTPCaller) {
+	dma.Logger = logs.CreateLogger(t.String()) // Create a logger with the data type
+	dma.Caller = caller                        // Set the caller
+	dma.Type = t.String()                      // Set the data type
+}
+
+// GenericLoadOne loads one object from the database (generic)
+func (wfa *AbstractAccessor) GenericStoreOne(data DBObject, accessor Accessor) (DBObject, int, error) {
+	data.GenerateID()
+	f := dbs.Filters{
+		Or: map[string][]dbs.Filter{
+			"abstractresource.abstractobject.name": {{
+				Operator: dbs.LIKE.String(),
+				Value:    data.GetName(),
+			}},
+			"abstractobject.name": {{
+				Operator: dbs.LIKE.String(),
+				Value:    data.GetName(),
+			}},
+		},
+	}
+	if cursor, _, _ := accessor.Search(&f, ""); len(cursor) > 0 {
+		return nil, 409, errors.New(accessor.GetType() + " with name " + data.GetName() + " already exists")
+	}
+	err := validate.Struct(data)
+	if err != nil {
+		return nil, 422, err
+	}
+	id, code, err := mongo.MONGOService.StoreOne(data, data.GetID(), wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not store " + data.GetName() + " to db. Error: " + err.Error())
+		return nil, code, err
+	}
+	return accessor.LoadOne(id)
+}
+
+// GenericLoadOne loads one object from the database (generic)
+func (dma *AbstractAccessor) GenericDeleteOne(id string, accessor Accessor) (DBObject, int, error) {
+	res, code, err := accessor.LoadOne(id)
+	if err != nil {
+		dma.Logger.Error().Msg("Could not retrieve " + id + " to db. Error: " + err.Error())
+		return nil, code, err
+	}
+	_, code, err = mongo.MONGOService.DeleteOne(id, accessor.GetType())
+	if err != nil {
+		dma.Logger.Error().Msg("Could not delete " + id + " to db. Error: " + err.Error())
+		return nil, code, err
+	}
+	return res, 200, nil
+}
+
+// GenericLoadOne loads one object from the database (generic)
+// json expected in entry is a flatted object no need to respect the inheritance hierarchy
+func (dma *AbstractAccessor) GenericUpdateOne(set DBObject, id string, accessor Accessor, new DBObject) (DBObject, int, error) {
+	r, c, err := accessor.LoadOne(id)
+	if err != nil {
+		return nil, c, err
+	}
+	change := set.Serialize() // get the changes
+	loaded := r.Serialize()   // get the loaded object
+
+	for k, v := range change { // apply the changes, with a flatten method
+		loaded[k] = v
+	}
+	id, code, err := mongo.MONGOService.UpdateOne(new.Deserialize(loaded), id, accessor.GetType())
+	if err != nil {
+		dma.Logger.Error().Msg("Could not update " + id + " to db. Error: " + err.Error())
+		return nil, code, err
+	}
+	return accessor.LoadOne(id)
+}

models/utils/common.go

@@ -0,0 +1,8 @@
+package utils
+
+/*
+type Price struct {
+	Price float64 `json:"price,omitempty" bson:"price,omitempty"`
+	Currency string `json:"currency,omitempty" bson:"currency,omitempty"`
+}
+*/

models/utils/interfaces.go

@@ -0,0 +1,40 @@
+package utils
+
+import (
+	"cloud.o-forge.io/core/oc-lib/dbs"
+	"cloud.o-forge.io/core/oc-lib/tools"
+)
+
+// ShallowDBObject is an interface that defines the basic methods shallowed version of a DBObject
+type ShallowDBObject interface {
+	GenerateID()
+	GetID() string
+	GetName() string
+	Deserialize(j map[string]interface{}) DBObject
+	Serialize() map[string]interface{}
+}
+
+// DBObject is an interface that defines the basic methods for a DBObject
+type DBObject interface {
+	GenerateID()
+	GetID() string
+	GetName() string
+	UpToDate()
+	Deserialize(j map[string]interface{}) DBObject
+	Serialize() map[string]interface{}
+	GetAccessor(caller *tools.HTTPCaller) Accessor
+}
+
+// Accessor is an interface that defines the basic methods for an Accessor
+type Accessor interface {
+	Init(t tools.DataType, caller *tools.HTTPCaller)
+	GetType() string
+	GetCaller() *tools.HTTPCaller
+	Search(filters *dbs.Filters, search string) ([]ShallowDBObject, int, error)
+	LoadAll() ([]ShallowDBObject, int, error)
+	LoadOne(id string) (DBObject, int, error)
+	DeleteOne(id string) (DBObject, int, error)
+	CopyOne(data DBObject) (DBObject, int, error)
+	StoreOne(data DBObject) (DBObject, int, error)
+	UpdateOne(set DBObject, id string) (DBObject, int, error)
+}

models/workflow/workflow.go

@@ -0,0 +1,143 @@
+package workflow
+
+import (
+	"encoding/json"
+	"errors"
+
+	"cloud.o-forge.io/core/oc-lib/models/peer"
+	"cloud.o-forge.io/core/oc-lib/models/resources"
+	"cloud.o-forge.io/core/oc-lib/models/resources/compute"
+	"cloud.o-forge.io/core/oc-lib/models/resources/storage"
+	"cloud.o-forge.io/core/oc-lib/models/resources/workflow/graph"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	"cloud.o-forge.io/core/oc-lib/tools"
+)
+
+/*
+* AbstractWorkflow is a struct that represents a workflow for resource or native workflow
+* Warning: there is 2 types of workflows, the resource workflow and the native workflow
+* native workflow is the one that you create to schedule an execution
+* resource workflow is the one that is created to set our native workflow in catalog
+ */
+type AbstractWorkflow struct {
+	resources.ResourceSet
+	Graph          *graph.Graph      `bson:"graph,omitempty" json:"graph,omitempty"`       // Graph UI & logic representation of the workflow
+	ScheduleActive bool              `json:"schedule_active" bson:"schedule_active"`       // ScheduleActive is a flag that indicates if the schedule is active, if not the workflow is not scheduled and no execution or booking will be set
+	Schedule       *WorkflowSchedule `bson:"schedule,omitempty" json:"schedule,omitempty"` // Schedule is the schedule of the workflow
+	Shared         []string          `json:"shared,omitempty" bson:"shared,omitempty"`     // Shared is the ID of the shared workflow
+}
+
+func (w *AbstractWorkflow) GetWorkflows() (list_computings []graph.GraphItem) {
+	for _, item := range w.Graph.Items {
+		if item.Workflow != nil {
+			list_computings = append(list_computings, item)
+		}
+	}
+	return
+}
+
+func (w *AbstractWorkflow) GetStoragesByRelatedProcessing(processingID string) []*storage.StorageResource {
+	storages := []*storage.StorageResource{}
+	for _, link := range w.Graph.Links {
+		nodeID := link.Destination.ID                 // we considers that the processing is the destination
+		node := w.Graph.Items[link.Source.ID].Storage // we are looking for the storage as source
+		if node == nil {                              // if the source is not a storage, we consider that the destination is the storage
+			nodeID = link.Source.ID                           // and the processing is the source
+			node = w.Graph.Items[link.Destination.ID].Storage // we are looking for the storage as destination
+		}
+		if processingID == nodeID && node != nil { // if the storage is linked to the processing
+			storages = append(storages, node)
+		}
+	}
+	return storages
+}
+
+func (w *AbstractWorkflow) GetProcessings() (list_computings []graph.GraphItem) {
+	for _, item := range w.Graph.Items {
+		if item.Processing != nil {
+			list_computings = append(list_computings, item)
+		}
+	}
+	return
+}
+
+// tool function to check if a link is a link between a compute and a resource
+func (w *AbstractWorkflow) isDCLink(link graph.GraphLink) (bool, string) {
+	if w.Graph == nil || w.Graph.Items == nil {
+		return false, ""
+	}
+	if d, ok := w.Graph.Items[link.Source.ID]; ok && d.Compute != nil {
+		return true, d.Compute.UUID
+	}
+	if d, ok := w.Graph.Items[link.Destination.ID]; ok && d.Compute != nil {
+		return true, d.Compute.UUID
+	}
+	return false, ""
+}
+
+/*
+* Workflow is a struct that represents a workflow
+* it defines the native workflow
+ */
+type Workflow struct {
+	utils.AbstractObject // AbstractObject contains the basic fields of an object (id, name)
+	AbstractWorkflow     // AbstractWorkflow contains the basic fields of a workflow
+}
+
+/*
+* CheckBooking is a function that checks the booking of the workflow on peers (even ourselves)
+ */
+func (wfa *Workflow) CheckBooking(caller *tools.HTTPCaller) (bool, error) {
+	// check if
+	if wfa.Graph == nil { // no graph no booking
+		return false, nil
+	}
+	accessor := (&compute.ComputeResource{}).GetAccessor(nil)
+	for _, link := range wfa.Graph.Links {
+		if ok, dc_id := wfa.isDCLink(link); ok { // check if the link is a link between a compute and a resource
+			dc, code, _ := accessor.LoadOne(dc_id)
+			if code != 200 {
+				continue
+			}
+			// CHECK BOOKING ON PEER, compute could be a remote one
+			peerID := dc.(*compute.ComputeResource).PeerID
+			if peerID == "" {
+				return false, errors.New("no peer id")
+			} // no peer id no booking, we need to know where to book
+			_, err := (&peer.Peer{}).LaunchPeerExecution(peerID, dc_id, tools.BOOKING, tools.GET, nil, caller)
+			if err != nil {
+				return false, err
+			}
+		}
+	}
+	return true, nil
+}
+
+func (d *Workflow) GetName() string {
+	return d.Name
+}
+
+func (d *Workflow) GetAccessor(caller *tools.HTTPCaller) utils.Accessor {
+	data := New()                     // Create a new instance of the accessor
+	data.Init(tools.WORKFLOW, caller) // Initialize the accessor with the WORKFLOW model type
+	return data
+}
+
+func (dma *Workflow) Deserialize(j map[string]interface{}) utils.DBObject {
+	b, err := json.Marshal(j)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, dma)
+	return dma
+}
+
+func (dma *Workflow) Serialize() map[string]interface{} {
+	var m map[string]interface{}
+	b, err := json.Marshal(dma)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, &m)
+	return m
+}

models/workflow/workflow_history_mongo_accessor.go

@@ -0,0 +1,34 @@
+package workflow
+
+import (
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	"cloud.o-forge.io/core/oc-lib/tools"
+	"github.com/google/uuid"
+)
+
+type WorkflowHistory struct{ Workflow }
+
+func (d *WorkflowHistory) GetAccessor(caller *tools.HTTPCaller) utils.Accessor {
+	data := New()                              // Create a new instance of the accessor
+	data.Init(tools.WORKSPACE_HISTORY, caller) // Initialize the accessor with the WORKSPACE model type
+	return data
+}
+func (r *WorkflowHistory) GenerateID() {
+	r.UUID = uuid.New().String()
+}
+
+// Workspace is a struct that represents a workspace
+type workflowHistoryMongoAccessor struct {
+	workflowMongoAccessor // AbstractAccessor contains the basic fields of an accessor (model, caller)
+}
+
+// New creates a new instance of the workspaceMongoAccessor
+func NewHistory() *workflowHistoryMongoAccessor {
+	return &workflowHistoryMongoAccessor{}
+}
+
+func (r *workflowHistoryMongoAccessor) MapFromWorkflow(w *Workflow) *WorkflowHistory {
+	wh := &WorkflowHistory{Workflow: *w}
+	wh.GenerateID()
+	return wh
+}

models/workflow/workflow_mongo_accessor.go

@@ -0,0 +1,372 @@
+package workflow
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+
+	"cloud.o-forge.io/core/oc-lib/dbs"
+	"cloud.o-forge.io/core/oc-lib/dbs/mongo"
+	"cloud.o-forge.io/core/oc-lib/models/collaborative_area/shallow_collaborative_area"
+	"cloud.o-forge.io/core/oc-lib/models/peer"
+	"cloud.o-forge.io/core/oc-lib/models/resources"
+	"cloud.o-forge.io/core/oc-lib/models/resources/compute"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	"cloud.o-forge.io/core/oc-lib/models/workflow_execution"
+	"cloud.o-forge.io/core/oc-lib/models/workspace"
+	"cloud.o-forge.io/core/oc-lib/tools"
+	cron "github.com/robfig/cron/v3"
+)
+
+type workflowMongoAccessor struct {
+	utils.AbstractAccessor // AbstractAccessor contains the basic fields of an accessor (model, caller)
+}
+
+// New creates a new instance of the workflowMongoAccessor
+func New() *workflowMongoAccessor {
+	return &workflowMongoAccessor{}
+}
+
+/*
+* THERE IS A LOT IN THIS FILE SHOULD BE AWARE OF THE COMMENTS
+ */
+
+/*
+* getExecutions is a function that returns the executions of a workflow
+* it returns an array of workflow_execution.WorkflowExecution
+ */
+func (wfa *workflowMongoAccessor) getExecutions(id string, data *Workflow) ([]*workflow_execution.WorkflowExecution, error) {
+	workflows_execution := []*workflow_execution.WorkflowExecution{}
+	if data.Schedule != nil { // only set execution on a scheduled workflow
+		if data.Schedule.Start == nil { // if no start date, return an error
+			return workflows_execution, errors.New("should get a start date on the scheduler.")
+		}
+		if data.Schedule.End != nil && data.Schedule.End.IsZero() { // if end date is zero, set it to nil
+			data.Schedule.End = nil
+		}
+		if len(data.Schedule.Cron) > 0 { // if cron is set then end date should be set
+			if data.Schedule.End == nil {
+				return workflows_execution, errors.New("a cron task should have an end date.")
+			}
+			cronStr := strings.Split(data.Schedule.Cron, " ") // split the cron string to treat it
+			if len(cronStr) < 6 {                             // if the cron string is less than 6 fields, return an error because format is : ss mm hh dd MM dw (6 fields)
+				return nil, errors.New("Bad cron message: " + data.Schedule.Cron + ". Should be at least ss mm hh dd MM dw")
+			}
+			subCron := strings.Join(cronStr[:6], " ")
+			// cron should be parsed as ss mm hh dd MM dw t (min 6 fields)
+			specParser := cron.NewParser(cron.Second | cron.Minute | cron.Hour | cron.Dom | cron.Month | cron.Dow) // create a new cron parser
+			sched, err := specParser.Parse(subCron)                                                                // parse the cron string
+			if err != nil {
+				return workflows_execution, errors.New("Bad cron message: " + err.Error())
+			}
+			// loop through the cron schedule to set the executions
+			for s := sched.Next(*data.Schedule.Start); !s.IsZero() && s.Before(*data.Schedule.End); s = sched.Next(s) {
+				obj := &workflow_execution.WorkflowExecution{
+					AbstractObject: utils.AbstractObject{
+						Name: data.Schedule.Name, // set the name of the execution
+					},
+					ExecDate:   &s,                // set the execution date
+					EndDate:    data.Schedule.End, // set the end date
+					State:      1,                 // set the state to 1 (scheduled)
+					WorkflowID: id,                // set the workflow id dependancy of the execution
+				}
+				workflows_execution = append(workflows_execution, obj) // append the execution to the array
+			}
+
+		} else { // if no cron, set the execution to the start date
+			obj := &workflow_execution.WorkflowExecution{ // create a new execution
+				AbstractObject: utils.AbstractObject{
+					Name: data.Schedule.Name,
+				},
+				ExecDate:   data.Schedule.Start,
+				EndDate:    data.Schedule.End,
+				State:      1,
+				WorkflowID: id,
+			}
+			workflows_execution = append(workflows_execution, obj) // append the execution to the array
+		}
+	}
+	return workflows_execution, nil
+}
+
+// DeleteOne deletes a workflow from the database, delete depending executions and bookings
+func (wfa *workflowMongoAccessor) DeleteOne(id string) (utils.DBObject, int, error) {
+	wfa.execution(id, &Workflow{
+		AbstractWorkflow: AbstractWorkflow{ScheduleActive: false},
+	}, true) // delete the executions
+	res, code, err := wfa.GenericDeleteOne(id, wfa)
+	if res != nil && code == 200 {
+		wfa.execute(res.(*Workflow), true, false) // up to date the workspace for the workflow
+		wfa.share(res.(*Workflow), true, wfa.Caller)
+	}
+	return res, code, err
+}
+
+/*
+* book is a function that books a workflow on the peers
+* it takes the workflow id, the real data and the executions
+* it returns an error if the booking fails
+ */
+func (wfa *workflowMongoAccessor) book(id string, realData *Workflow, execs []*workflow_execution.WorkflowExecution) error {
+	if wfa.Caller == nil || wfa.Caller.URLS == nil || wfa.Caller.URLS[tools.BOOKING] == nil {
+		return errors.New("no caller defined")
+	}
+	methods := wfa.Caller.URLS[tools.BOOKING]
+	if _, ok := methods[tools.POST]; !ok {
+		return errors.New("no path found")
+	}
+	res, code, _ := wfa.LoadOne(id)
+	if code != 200 {
+		return errors.New("could not load workflow")
+	}
+	r := res.(*Workflow)
+	g := r.Graph
+	if realData.Graph != nil { // if the graph is set, set it to the real data
+		g = realData.Graph
+	}
+	if g != nil && g.Links != nil && len(g.Links) > 0 { // if the graph is set and has links then book the workflow (even on ourselves)
+		accessor := (&compute.ComputeResource{}).GetAccessor(nil)
+		for _, link := range g.Links {
+			if ok, dc_id := realData.isDCLink(link); ok { // check if the link is a link between a compute and a resource booking is only on compute
+				dc, code, _ := accessor.LoadOne(dc_id)
+				if code != 200 {
+					continue
+				}
+				// CHECK BOOKING
+				peerID := dc.(*compute.ComputeResource).PeerID
+				if peerID == "" { // no peer id no booking
+					continue
+				}
+				// BOOKING ON PEER
+				_, err := (&peer.Peer{}).LaunchPeerExecution(peerID, "", tools.BOOKING, tools.POST,
+					(&workflow_execution.WorkflowExecutions{ // it's the standard model for booking see OC-PEER
+						WorkflowID: id,    // set the workflow id "WHO"
+						ResourceID: dc_id, // set the compute id "WHERE"
+						Executions: execs, // set the executions to book "WHAT"
+					}).Serialize(), wfa.Caller)
+				if err != nil {
+					fmt.Println("BOOKING", err)
+					return err
+				}
+			}
+		}
+	}
+	return nil
+}
+
+/*
+* share is a function that shares a workflow to the peers if the workflow is shared
+ */
+func (wfa *workflowMongoAccessor) share(realData *Workflow, delete bool, caller *tools.HTTPCaller) {
+	if realData.Shared == nil || len(realData.Shared) == 0 || caller.Disabled { // no shared no sharing
+		return
+	}
+	for _, sharedID := range realData.Shared { // loop through the shared ids
+		access := (&shallow_collaborative_area.ShallowCollaborativeArea{}).GetAccessor(nil)
+		res, code, _ := access.LoadOne(sharedID)
+		if code != 200 {
+			continue
+		}
+		var err error
+		paccess := &peer.Peer{}
+		for _, p := range res.(*shallow_collaborative_area.ShallowCollaborativeArea).Peers {
+			paccess.UUID = p
+			if ok, _ := paccess.IsMySelf(); ok { // if the peer is the current peer, never share because it will create a loop
+				continue
+			}
+			if delete { // if the workflow is deleted, share the deletion
+				history := NewHistory()
+				history.StoreOne(history.MapFromWorkflow(res.(*Workflow)))
+				_, err = paccess.LaunchPeerExecution(p, res.GetID(), tools.WORKFLOW, tools.DELETE, map[string]interface{}{}, caller)
+			} else { // if the workflow is updated, share the update
+				_, err = paccess.LaunchPeerExecution(p, res.GetID(), tools.WORKFLOW, tools.PUT, res.Serialize(), caller)
+			}
+		}
+		if err != nil {
+			wfa.Logger.Error().Msg(err.Error())
+		}
+	}
+}
+
+/*
+* execution is a create or delete function for the workflow executions depending on the schedule of the workflow
+ */
+func (wfa *workflowMongoAccessor) execution(id string, realData *Workflow, delete bool) (int, error) {
+	nats := tools.NewNATSCaller() // create a new nats caller because executions are sent to the nats for daemons
+	mongo.MONGOService.DeleteMultiple(map[string]interface{}{
+		"state":       1, // only delete the scheduled executions only scheduled if executions are in progress or ended, they should not be deleted for registration
+		"workflow_id": id,
+	}, tools.WORKFLOW_EXECUTION.String())
+	err := wfa.book(id, realData, []*workflow_execution.WorkflowExecution{}) // delete the booking of the workflow on the peers
+	fmt.Println("DELETE BOOKING", err)
+	nats.SetNATSPub(tools.WORKFLOW.String(), tools.REMOVE, realData) // send the deletion to the nats
+	if err != nil {
+		return 409, err
+	}
+
+	accessor := (&workflow_execution.WorkflowExecution{}).GetAccessor(nil)
+	execs, err := wfa.getExecutions(id, realData) // get the executions of the workflow
+	if err != nil {
+		return 422, err
+	}
+	if !realData.ScheduleActive || delete { // if the schedule is not active, delete the executions
+		execs = []*workflow_execution.WorkflowExecution{}
+	}
+	err = wfa.book(id, realData, execs) // book the workflow on the peers
+	fmt.Println("BOOKING", err)
+	if err != nil {
+		return 409, err // if the booking fails, return an error for integrity between peers
+	}
+	fmt.Println("BOOKING", delete)
+	for _, obj := range execs {
+		_, code, err := accessor.StoreOne(obj)
+		fmt.Println("EXEC", code, err)
+		if code != 200 {
+			return code, err
+		}
+	}
+	nats.SetNATSPub(tools.WORKFLOW.String(), tools.CREATE, realData) // send the creation to the nats
+	return 200, nil
+}
+
+// UpdateOne updates a workflow in the database
+func (wfa *workflowMongoAccessor) UpdateOne(set utils.DBObject, id string) (utils.DBObject, int, error) {
+	res, code, err := wfa.LoadOne(id)
+	if code != 200 {
+		return nil, 409, err
+	}
+	// avoid the update if the schedule is the same
+	avoid := set.(*Workflow).Schedule == nil || (res.(*Workflow).Schedule != nil && res.(*Workflow).ScheduleActive == set.(*Workflow).ScheduleActive && res.(*Workflow).Schedule.Start == set.(*Workflow).Schedule.Start && res.(*Workflow).Schedule.End == set.(*Workflow).Schedule.End && res.(*Workflow).Schedule.Cron == set.(*Workflow).Schedule.Cron)
+	res, code, err = wfa.GenericUpdateOne(set, id, wfa, &Workflow{})
+	if code != 200 {
+		return nil, code, err
+	}
+	fmt.Println("UPDATE", avoid, res.(*Workflow).ScheduleActive)
+	if !avoid { // if the schedule is not avoided, update the executions
+		if code, err := wfa.execution(id, res.(*Workflow), false); code != 200 {
+			return nil, code, errors.New("could not update the executions : " + err.Error())
+		}
+	}
+	wfa.execute(res.(*Workflow), false, false)    // update the workspace for the workflow
+	wfa.share(res.(*Workflow), false, wfa.Caller) // share the update to the peers
+	return res, code, nil
+}
+
+// StoreOne stores a workflow in the database
+func (wfa *workflowMongoAccessor) StoreOne(data utils.DBObject) (utils.DBObject, int, error) {
+	res, code, err := wfa.GenericStoreOne(data, wfa)
+	if err != nil || code != 200 {
+		return nil, code, err
+	}
+	wfa.share(res.(*Workflow), false, wfa.Caller) // share the creation to the peers
+	//store the executions
+	if code, err := wfa.execution(res.GetID(), res.(*Workflow), false); err != nil {
+		return nil, code, err
+	}
+	wfa.execute(res.(*Workflow), false, false) // store the workspace for the workflow
+	return res, code, nil
+}
+
+// CopyOne copies a workflow in the database
+func (wfa *workflowMongoAccessor) CopyOne(data utils.DBObject) (utils.DBObject, int, error) {
+	return wfa.GenericStoreOne(data, wfa)
+}
+
+// execute is a function that executes a workflow
+// it stores the workflow resources in a specific workspace to never have a conflict in UI and logic
+func (wfa *workflowMongoAccessor) execute(workflow *Workflow, delete bool, active bool) {
+
+	accessor := (&workspace.Workspace{}).GetAccessor(nil)
+	filters := &dbs.Filters{
+		Or: map[string][]dbs.Filter{ // filter by standard workspace name attached to a workflow
+			"abstractobject.name": {{dbs.LIKE.String(), workflow.Name + "_workspace"}},
+		},
+	}
+	resource, _, err := accessor.Search(filters, "")
+	if delete { // if delete is set to true, delete the workspace
+		for _, r := range resource {
+			accessor.DeleteOne(r.GetID())
+		}
+		return
+	}
+	if err == nil && len(resource) > 0 { // if the workspace already exists, update it
+		accessor.UpdateOne(&workspace.Workspace{
+			Active: active,
+			ResourceSet: resources.ResourceSet{
+				Datas:       workflow.Datas,
+				Processings: workflow.Processings,
+				Storages:    workflow.Storages,
+				Workflows:   workflow.Workflows,
+				Computes: workflow.Computes,
+			},
+		}, resource[0].GetID())
+	} else { // if the workspace does not exist, create it
+		accessor.StoreOne(&workspace.Workspace{
+			Active:         active,
+			AbstractObject: utils.AbstractObject{Name: workflow.Name + "_workspace"},
+			ResourceSet: resources.ResourceSet{
+				Datas:       workflow.Datas,
+				Processings: workflow.Processings,
+				Storages:    workflow.Storages,
+				Workflows:   workflow.Workflows,
+				Computes: workflow.Computes,
+			},
+		})
+	}
+}
+
+// LoadOne loads a workflow from the database
+func (wfa *workflowMongoAccessor) LoadOne(id string) (utils.DBObject, int, error) {
+	var workflow Workflow
+	res_mongo, code, err := mongo.MONGOService.LoadOne(id, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve " + id + " from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	res_mongo.Decode(&workflow)
+	wfa.execute(&workflow, false, true) // if no workspace is attached to the workflow, create it
+
+	return &workflow, 200, nil
+}
+
+// LoadAll loads all the workflows from the database
+func (wfa workflowMongoAccessor) LoadAll() ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	res_mongo, code, err := mongo.MONGOService.LoadAll(wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve any from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []Workflow
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	for _, r := range results {
+		objs = append(objs, &r.AbstractObject) // only AbstractObject fields !
+	}
+	return objs, 200, nil
+}
+
+func (wfa *workflowMongoAccessor) Search(filters *dbs.Filters, search string) ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	if (filters == nil || len(filters.And) == 0 || len(filters.Or) == 0) && search != "" {
+		filters = &dbs.Filters{
+			Or: map[string][]dbs.Filter{ // filter by name if no filters are provided
+				"abstractobject.name": {{Operator: dbs.LIKE.String(), Value: search}},
+			},
+		}
+	}
+	res_mongo, code, err := mongo.MONGOService.Search(filters, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not store to db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []Workflow
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	for _, r := range results {
+		objs = append(objs, &r)
+	}
+	return objs, 200, nil
+}

models/workflow/workflow_schedule.go

@@ -0,0 +1,23 @@
+package workflow
+
+import "time"
+
+// WorkflowSchedule is a struct that contains the scheduling information of a workflow
+type ScheduleMode int
+
+const (
+	TASK ScheduleMode = iota
+	SERVICE
+)
+
+/*
+* WorkflowSchedule is a struct that contains the scheduling information of a workflow
+* It contains the mode of the schedule (Task or Service), the name of the schedule, the start and end time of the schedule and the cron expression
+ */
+type WorkflowSchedule struct {
+	Mode  int64      `json:"mode" bson:"mode" validate:"required"`               // Mode is the mode of the schedule (Task or Service)
+	Name  string     `json:"name" bson:"name" validate:"required"`               // Name is the name of the schedule
+	Start *time.Time `json:"start" bson:"start" validate:"required,ltfield=End"` // Start is the start time of the schedule, is required and must be less than the End time
+	End   *time.Time `json:"end,omitempty" bson:"end,omitempty"`                 // End is the end time of the schedule
+	Cron  string     `json:"cron,omitempty" bson:"cron,omitempty"`               // here the cron format : ss mm hh dd MM dw task
+}

models/workflow/workflow_test.go

@@ -0,0 +1,29 @@
+package workflow
+
+import (
+	"testing"
+
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestStoreOneWorkflow(t *testing.T) {
+	w := Workflow{
+		AbstractObject: utils.AbstractObject{Name: "testWorkflow"},
+	}
+
+	wma := New()
+	id, _, _ := wma.StoreOne(&w)
+
+	assert.NotEmpty(t, id)
+}
+
+func TestLoadOneWorkflow(t *testing.T) {
+	w := Workflow{
+		AbstractObject: utils.AbstractObject{Name: "testWorkflow"},
+	}
+
+	wma := New()
+	new_w, _, _ := wma.StoreOne(&w)
+	assert.Equal(t, w, new_w)
+}

models/workflow_execution/workflow_execution.go

@@ -0,0 +1,145 @@
+package workflow_execution
+
+import (
+	"encoding/json"
+	"strings"
+	"time"
+
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	"cloud.o-forge.io/core/oc-lib/tools"
+	"github.com/google/uuid"
+)
+
+// ScheduledType - Enum for the different states of a workflow execution
+type ScheduledType int
+
+const (
+	SCHEDULED ScheduledType = iota + 1
+	STARTED
+	FAILURE
+	SUCCESS
+)
+
+var str = [...]string{
+	"scheduled",
+	"started",
+	"failure",
+	"success",
+}
+
+func FromInt(i int) string {
+	return str[i]
+}
+
+func (d ScheduledType) String() string {
+	return str[d]
+}
+
+// EnumIndex - Creating common behavior - give the type a EnumIndex functio
+func (d ScheduledType) EnumIndex() int {
+	return int(d)
+}
+
+/*
+* WorkflowExecutions is a struct that represents a list of workflow executions
+* Warning: No user can write (del, post, put) a workflow execution, it is only used by the system
+* workflows generate their own executions
+ */
+type WorkflowExecutions struct {
+	WorkflowID string               `json:"workflow_id" bson:"workflow_id"`
+	ResourceID string               `json:"resource_id" bson:"resource_id"`
+	Executions []*WorkflowExecution `json:"executions" bson:"executions"`
+}
+
+// New - Creates a new instance of the WorkflowExecutions from a map
+func (dma *WorkflowExecutions) Deserialize(j map[string]interface{}) *WorkflowExecutions {
+	b, err := json.Marshal(j)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, dma)
+	return dma
+}
+
+// Serialize - Returns the WorkflowExecutions as a map
+func (dma *WorkflowExecutions) Serialize() map[string]interface{} {
+	var m map[string]interface{}
+	b, err := json.Marshal(dma)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, &m)
+	return m
+}
+
+/*
+* WorkflowExecution is a struct that represents a workflow execution
+* Warning: No user can write (del, post, put)  a workflow execution, it is only used by the system
+* workflows generate their own executions
+ */
+type WorkflowExecution struct {
+	utils.AbstractObject            // AbstractObject contains the basic fields of an object (id, name)
+	ExecDate             *time.Time `json:"execution_date,omitempty" bson:"execution_date,omitempty" validate:"required"` // ExecDate is the execution date of the workflow, is required
+	EndDate              *time.Time `json:"end_date,omitempty" bson:"end_date,omitempty"`                                 // EndDate is the end date of the workflow
+	State                int64      `json:"state,omitempty" bson:"state,omitempty"`                                       // State is the state of the workflow
+	WorkflowID           string     `json:"workflow_id" bson:"workflow_id,omitempty"`                                     // WorkflowID is the ID of the workflow
+}
+
+func (wfa *WorkflowExecution) Equals(we *WorkflowExecution) bool {
+	return wfa.ExecDate.Equal(*we.ExecDate) && wfa.WorkflowID == we.WorkflowID
+}
+
+// tool to transform the argo status to a state
+func (wfa *WorkflowExecution) ArgoStatusToState(status string) *WorkflowExecution {
+	status = strings.ToLower(status)
+	switch status {
+	case "succeeded": // Succeeded
+		wfa.State = int64(SUCCESS.EnumIndex())
+	case "pending": // Pending
+		wfa.State = int64(SCHEDULED.EnumIndex())
+	case "running": // Running
+		wfa.State = int64(STARTED.EnumIndex())
+	default: // Failed
+		wfa.State = int64(FAILURE.EnumIndex())
+	}
+	return wfa
+}
+
+func (ao *WorkflowExecution) GetID() string {
+	return ao.UUID
+}
+
+func (r *WorkflowExecution) GenerateID() {
+	r.UUID = uuid.New().String()
+}
+
+func (d *WorkflowExecution) GetName() string {
+	return d.UUID + "_" + d.ExecDate.String()
+}
+
+func (d *WorkflowExecution) GetAccessor(caller *tools.HTTPCaller) utils.Accessor {
+	data := New()                               // Create a new instance of the accessor
+	data.Init(tools.WORKFLOW_EXECUTION, caller) // Initialize the accessor with the WORKFLOW_EXECUTION model type
+	return data
+}
+
+// New creates a new instance of the WorkflowExecution from a map
+func (dma *WorkflowExecution) Deserialize(j map[string]interface{}) utils.DBObject {
+	b, err := json.Marshal(j)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, dma)
+	return dma
+}
+
+// Serialize returns the WorkflowExecution as a map
+func (dma *WorkflowExecution) Serialize() map[string]interface{} {
+	var m map[string]interface{}
+	b, err := json.Marshal(dma)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, &m)
+	return m
+}

models/workflow_execution/workflow_execution_mongo_accessor.go

@@ -0,0 +1,84 @@
+package workflow_execution
+
+import (
+	"cloud.o-forge.io/core/oc-lib/dbs"
+	"cloud.o-forge.io/core/oc-lib/dbs/mongo"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+)
+
+type workflowExecutionMongoAccessor struct {
+	utils.AbstractAccessor
+}
+
+func New() *workflowExecutionMongoAccessor {
+	return &workflowExecutionMongoAccessor{}
+}
+
+func (wfa *workflowExecutionMongoAccessor) DeleteOne(id string) (utils.DBObject, int, error) {
+	return wfa.GenericDeleteOne(id, wfa)
+}
+
+func (wfa *workflowExecutionMongoAccessor) UpdateOne(set utils.DBObject, id string) (utils.DBObject, int, error) {
+	return wfa.GenericUpdateOne(set, id, wfa, &WorkflowExecution{})
+}
+
+func (wfa *workflowExecutionMongoAccessor) StoreOne(data utils.DBObject) (utils.DBObject, int, error) {
+	return wfa.GenericStoreOne(data, wfa)
+}
+
+func (wfa *workflowExecutionMongoAccessor) CopyOne(data utils.DBObject) (utils.DBObject, int, error) {
+	return wfa.GenericStoreOne(data, wfa)
+}
+
+func (wfa *workflowExecutionMongoAccessor) LoadOne(id string) (utils.DBObject, int, error) {
+	var workflow WorkflowExecution
+	res_mongo, code, err := mongo.MONGOService.LoadOne(id, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve " + id + " from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	res_mongo.Decode(&workflow)
+	return &workflow, 200, nil
+}
+
+func (wfa workflowExecutionMongoAccessor) LoadAll() ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	res_mongo, code, err := mongo.MONGOService.LoadAll(wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve any from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []WorkflowExecution
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	for _, r := range results {
+		objs = append(objs, &r.AbstractObject)
+	}
+	return objs, 200, nil
+}
+
+// Search searches for workflow executions in the database, given some filters OR a search string
+func (wfa *workflowExecutionMongoAccessor) Search(filters *dbs.Filters, search string) ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	if (filters == nil || len(filters.And) == 0 || len(filters.Or) == 0) && search != "" {
+		filters = &dbs.Filters{
+			Or: map[string][]dbs.Filter{ // filter by name if no filters are provided
+				"abstractobject.name": {{Operator: dbs.LIKE.String(), Value: search}},
+			},
+		}
+	}
+	res_mongo, code, err := mongo.MONGOService.Search(filters, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not store to db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []WorkflowExecution
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	for _, r := range results {
+		objs = append(objs, &r)
+	}
+	return objs, 200, nil
+}

models/workspace/workspace.go

@@ -0,0 +1,60 @@
+package workspace
+
+import (
+	"encoding/json"
+
+	"cloud.o-forge.io/core/oc-lib/models/resources"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	"cloud.o-forge.io/core/oc-lib/tools"
+	"github.com/google/uuid"
+)
+
+// Workspace is a struct that represents a workspace
+type Workspace struct {
+	utils.AbstractObject         // AbstractObject contains the basic fields of an object (id, name)
+	resources.ResourceSet        // ResourceSet contains the resources of the workspace (data, compute, processing, storage, workflow)
+	IsContextual          bool   `json:"is_contextual" bson:"is_contextual" default:"false"` // IsContextual is a flag that indicates if the workspace is contextual
+	Active                bool   `json:"active" bson:"active" default:"false"`               // Active is a flag that indicates if the workspace is active
+	Shared                string `json:"shared,omitempty" bson:"shared,omitempty"`           // Shared is the ID of the shared workspace
+}
+
+func (ao *Workspace) GetID() string {
+	return ao.UUID
+}
+
+func (r *Workspace) GenerateID() {
+	if r.UUID == "" {
+		r.UUID = uuid.New().String()
+	}
+}
+
+func (d *Workspace) GetName() string {
+	return d.Name
+}
+
+func (d *Workspace) GetAccessor(caller *tools.HTTPCaller) utils.Accessor {
+	data := New()                      // Create a new instance of the accessor
+	data.Init(tools.WORKSPACE, caller) // Initialize the accessor with the WORKSPACE model type
+	return data
+}
+
+// New creates a new instance of the workspaceMongoAccessor from a map
+func (dma *Workspace) Deserialize(j map[string]interface{}) utils.DBObject {
+	b, err := json.Marshal(j)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, dma)
+	return dma
+}
+
+// Serialize returns the workspaceMongoAccessor as a map
+func (dma *Workspace) Serialize() map[string]interface{} {
+	var m map[string]interface{}
+	b, err := json.Marshal(dma)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, &m)
+	return m
+}

models/workspace/workspace_history_mongo_accessor.go

@@ -0,0 +1,34 @@
+package workspace
+
+import (
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	"cloud.o-forge.io/core/oc-lib/tools"
+	"github.com/google/uuid"
+)
+
+type WorkspaceHistory struct{ Workspace }
+
+func (d *WorkspaceHistory) GetAccessor(caller *tools.HTTPCaller) utils.Accessor {
+	data := New()                              // Create a new instance of the accessor
+	data.Init(tools.WORKSPACE_HISTORY, caller) // Initialize the accessor with the WORKSPACE model type
+	return data
+}
+func (r *WorkspaceHistory) GenerateID() {
+	r.UUID = uuid.New().String()
+}
+
+// Workspace is a struct that represents a workspace
+type workspaceHistoryMongoAccessor struct {
+	workspaceMongoAccessor // AbstractAccessor contains the basic fields of an accessor (model, caller)
+}
+
+// New creates a new instance of the workspaceMongoAccessor
+func NewHistory() *workspaceHistoryMongoAccessor {
+	return &workspaceHistoryMongoAccessor{}
+}
+
+func (r *workspaceHistoryMongoAccessor) MapFromWorkspace(w *Workspace) *WorkspaceHistory {
+	wh := &WorkspaceHistory{Workspace: *w}
+	wh.GenerateID()
+	return wh
+}

models/workspace/workspace_mongo_accessor.go

@@ -0,0 +1,234 @@
+package workspace
+
+import (
+	"errors"
+
+	"cloud.o-forge.io/core/oc-lib/dbs"
+	"cloud.o-forge.io/core/oc-lib/dbs/mongo"
+	"cloud.o-forge.io/core/oc-lib/models/collaborative_area/shallow_collaborative_area"
+	"cloud.o-forge.io/core/oc-lib/models/peer"
+	"cloud.o-forge.io/core/oc-lib/models/resources/data"
+	"cloud.o-forge.io/core/oc-lib/models/resources/compute"
+	"cloud.o-forge.io/core/oc-lib/models/resources/processing"
+	"cloud.o-forge.io/core/oc-lib/models/resources/storage"
+	w "cloud.o-forge.io/core/oc-lib/models/resources/workflow"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	"cloud.o-forge.io/core/oc-lib/tools"
+)
+
+// Workspace is a struct that represents a workspace
+type workspaceMongoAccessor struct {
+	utils.AbstractAccessor // AbstractAccessor contains the basic fields of an accessor (model, caller)
+}
+
+// New creates a new instance of the workspaceMongoAccessor
+func New() *workspaceMongoAccessor {
+	return &workspaceMongoAccessor{}
+}
+
+// DeleteOne deletes a workspace from the database, given its ID, it automatically share to peers if the workspace is shared
+// it checks if a workspace with the same name already exists
+func (wfa *workspaceMongoAccessor) DeleteOne(id string) (utils.DBObject, int, error) {
+	res, code, err := wfa.GenericDeleteOne(id, wfa)
+	if code == 200 && res != nil {
+		wfa.share(res.(*Workspace), tools.DELETE, wfa.Caller) // Share the deletion to the peers
+	}
+	return res, code, err
+}
+
+// UpdateOne updates a workspace in the database, given its ID, it automatically share to peers if the workspace is shared
+func (wfa *workspaceMongoAccessor) UpdateOne(set utils.DBObject, id string) (utils.DBObject, int, error) {
+	d := set.(*Workspace) // Get the workspace from the set
+	d.DataResources = nil // Reset the resources
+	d.ComputeResources = nil
+	d.StorageResources = nil
+	d.ProcessingResources = nil
+	d.WorkflowResources = nil
+	if d.Active { // If the workspace is active, deactivate all the other workspaces
+		res, _, err := wfa.LoadAll()
+		if err == nil {
+			for _, r := range res {
+				if r.GetID() != id {
+					r.(*Workspace).Active = false
+					wfa.UpdateOne(r.(*Workspace), r.GetID())
+				}
+			}
+		}
+	}
+	res, code, err := wfa.GenericUpdateOne(set, id, wfa, &Workspace{})
+	if code == 200 && res != nil {
+		wfa.share(res.(*Workspace), tools.PUT, wfa.Caller)
+	}
+	return res, code, err
+}
+
+// StoreOne stores a workspace in the database, it checks if a workspace with the same name already exists
+func (wfa *workspaceMongoAccessor) StoreOne(data utils.DBObject) (utils.DBObject, int, error) {
+	filters := &dbs.Filters{
+		Or: map[string][]dbs.Filter{
+			"abstractobject.name": {{dbs.LIKE.String(), data.GetName() + "_workspace"}},
+		},
+	}
+	res, _, err := wfa.Search(filters, "") // Search for the workspace
+	if err == nil && len(res) > 0 {        // If the workspace already exists, return an error
+		return nil, 409, errors.New("A workspace with the same name already exists")
+	}
+	// reset the resources
+	d := data.(*Workspace)
+	d.DataResources = nil
+	d.ComputeResources = nil
+	d.StorageResources = nil
+	d.ProcessingResources = nil
+	d.WorkflowResources = nil
+	return wfa.GenericStoreOne(d, wfa)
+}
+
+// CopyOne copies a workspace in the database
+func (wfa *workspaceMongoAccessor) CopyOne(data utils.DBObject) (utils.DBObject, int, error) {
+	return wfa.GenericStoreOne(data, wfa)
+}
+
+/*
+This function is used to fill the workspace with the resources
+*/
+func (wfa *workspaceMongoAccessor) fill(workflow *Workspace) *Workspace {
+	// Fill the workspace with the resources
+	if workflow.Datas != nil && len(workflow.Datas) > 0 {
+		dataAccessor := (&data.DataResource{}).GetAccessor(nil)
+		for _, id := range workflow.Datas {
+			d, _, e := dataAccessor.LoadOne(id)
+			if e == nil {
+				workflow.DataResources = append(workflow.DataResources, d.(*data.DataResource))
+			}
+		}
+	}
+	// Fill the workspace with the computes
+	if workflow.Computes != nil && len(workflow.Computes) > 0 {
+		dataAccessor := (&compute.ComputeResource{}).GetAccessor(nil)
+		for _, id := range workflow.Computes {
+			d, _, e := dataAccessor.LoadOne(id)
+			if e == nil {
+				workflow.ComputeResources = append(workflow.ComputeResources, d.(*compute.ComputeResource))
+			}
+		}
+	}
+	// Fill the workspace with the storages
+	if workflow.Storages != nil && len(workflow.Storages) > 0 {
+		dataAccessor := (&storage.StorageResource{}).GetAccessor(nil)
+		for _, id := range workflow.Storages {
+			d, _, e := dataAccessor.LoadOne(id)
+			if e == nil {
+				workflow.StorageResources = append(workflow.StorageResources, d.(*storage.StorageResource))
+			}
+		}
+	}
+	// Fill the workspace with the processings
+	if workflow.Processings != nil && len(workflow.Processings) > 0 {
+		dataAccessor := (&processing.ProcessingResource{}).GetAccessor(nil)
+		for _, id := range workflow.Processings {
+			d, _, e := dataAccessor.LoadOne(id)
+			if e == nil {
+				workflow.ProcessingResources = append(workflow.ProcessingResources, d.(*processing.ProcessingResource))
+			}
+		}
+	}
+	// Fill the workspace with the workflows
+	if workflow.Workflows != nil && len(workflow.Workflows) > 0 {
+		dataAccessor := (&w.WorkflowResource{}).GetAccessor(nil)
+		for _, id := range workflow.Workflows {
+			d, _, e := dataAccessor.LoadOne(id)
+			if e == nil {
+				workflow.WorkflowResources = append(workflow.WorkflowResources, d.(*w.WorkflowResource))
+			}
+		}
+	}
+	return workflow
+}
+
+// LoadOne loads a workspace from the database, given its ID
+func (wfa *workspaceMongoAccessor) LoadOne(id string) (utils.DBObject, int, error) {
+	var workflow Workspace
+	res_mongo, code, err := mongo.MONGOService.LoadOne(id, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve " + id + " from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	res_mongo.Decode(&workflow)
+
+	return wfa.fill(&workflow), 200, nil
+}
+
+// LoadAll loads all the workspaces from the database
+func (wfa workspaceMongoAccessor) LoadAll() ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	res_mongo, code, err := mongo.MONGOService.LoadAll(wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not retrieve any from db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []Workspace
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	for _, r := range results {
+		objs = append(objs, wfa.fill(&r))
+	}
+	return objs, 200, nil
+}
+
+// Search searches for workspaces in the database, given some filters OR a search string
+func (wfa *workspaceMongoAccessor) Search(filters *dbs.Filters, search string) ([]utils.ShallowDBObject, int, error) {
+	objs := []utils.ShallowDBObject{}
+	if (filters == nil || len(filters.And) == 0 || len(filters.Or) == 0) && search != "" {
+		filters = &dbs.Filters{
+			Or: map[string][]dbs.Filter{ // filter by name if no filters are provided
+				"abstractobject.name": {{Operator: dbs.LIKE.String(), Value: search}},
+			},
+		}
+	}
+	res_mongo, code, err := mongo.MONGOService.Search(filters, wfa.GetType())
+	if err != nil {
+		wfa.Logger.Error().Msg("Could not store to db. Error: " + err.Error())
+		return nil, code, err
+	}
+	var results []Workspace
+	if err = res_mongo.All(mongo.MngoCtx, &results); err != nil {
+		return nil, 404, err
+	}
+	for _, r := range results {
+		objs = append(objs, wfa.fill(&r))
+	}
+	return objs, 200, nil
+}
+
+/*
+This function is used to share the workspace with the peers
+*/
+func (wfa *workspaceMongoAccessor) share(realData *Workspace, method tools.METHOD, caller *tools.HTTPCaller) {
+	if realData.Shared == "" || caller.Disabled {
+		return
+	}
+	access := (&shallow_collaborative_area.ShallowCollaborativeArea{}).GetAccessor(nil)
+	res, code, _ := access.LoadOne(realData.Shared)
+	if code != 200 {
+		return
+	}
+	var err error
+	paccess := &peer.Peer{}
+	for _, p := range res.(*shallow_collaborative_area.ShallowCollaborativeArea).Peers {
+		paccess.UUID = p
+		if ok, _ := paccess.IsMySelf(); ok { // If the peer is the current peer, never share because it will create a loop
+			continue
+		}
+		if method == tools.DELETE { // If the workspace is deleted, share the deletion
+			history := NewHistory()
+			history.StoreOne(history.MapFromWorkspace(res.(*Workspace)))
+			_, err = paccess.LaunchPeerExecution(p, res.GetID(), tools.WORKSPACE, tools.DELETE, map[string]interface{}{}, caller)
+		} else { // If the workspace is updated, share the update
+			_, err = paccess.LaunchPeerExecution(p, res.GetID(), tools.WORKSPACE, tools.PUT, res.Serialize(), caller)
+		}
+	}
+	if err != nil {
+		wfa.Logger.Error().Msg(err.Error())
+	}
+}

resource.go

@@ -1,12 +0,0 @@
-package oclib
-
-type Resource struct {
-	Id               string
-	Name             string
-	ShortDescription string
-	Description      string
-	Logo             string
-	Owner            string
-	OwnerLogo        string
-	SourceUrl        string
-}

resource_set.go

@@ -1 +0,0 @@
-package oclib

storage.go

@@ -1 +0,0 @@
-package oclib

swagger/index.html

@@ -0,0 +1,60 @@
+<!-- HTML for static distribution bundle build -->
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8">
+    <title>Swagger UI</title>
+    <link rel="stylesheet" type="text/css" href="./swagger-ui.css" />
+    <link rel="icon" type="image/png" href="./favicon-32x32.png" sizes="32x32" />
+    <link rel="icon" type="image/png" href="./favicon-16x16.png" sizes="16x16" />
+    <style>
+      html
+      {
+        box-sizing: border-box;
+        overflow: -moz-scrollbars-vertical;
+        overflow-y: scroll;
+      }
+
+      *,
+      *:before,
+      *:after
+      {
+        box-sizing: inherit;
+      }
+
+      body
+      {
+        margin:0;
+        background: #fafafa;
+      }
+    </style>
+  </head>
+
+  <body>
+    <div id="swagger-ui"></div>
+
+    <script src="./swagger-ui-bundle.js" charset="UTF-8"> </script>
+    <script src="./swagger-ui-standalone-preset.js" charset="UTF-8"> </script>
+    <script>
+    window.onload = function() {
+      // Begin Swagger UI call region
+      const ui = SwaggerUIBundle({
+        url: "https://petstore.swagger.io/v2/swagger.json",
+        dom_id: '#swagger-ui',
+        deepLinking: true,
+        presets: [
+          SwaggerUIBundle.presets.apis,
+          SwaggerUIStandalonePreset
+        ],
+        plugins: [
+          SwaggerUIBundle.plugins.DownloadUrl
+        ],
+        layout: "StandaloneLayout"
+      });
+      // End Swagger UI call region
+
+      window.ui = ui;
+    };
+  </script>
+  </body>
+</html>

swagger/oauth2-redirect.html

@@ -0,0 +1,79 @@
+<!doctype html>
+<html lang="en-US">
+<head>
+    <title>Swagger UI: OAuth2 Redirect</title>
+</head>
+<body>
+<script>
+    'use strict';
+    function run () {
+        var oauth2 = window.opener.swaggerUIRedirectOauth2;
+        var sentState = oauth2.state;
+        var redirectUrl = oauth2.redirectUrl;
+        var isValid, qp, arr;
+
+        if (/code|token|error/.test(window.location.hash)) {
+            qp = window.location.hash.substring(1);
+        } else {
+            qp = location.search.substring(1);
+        }
+
+        arr = qp.split("&");
+        arr.forEach(function (v,i,_arr) { _arr[i] = '"' + v.replace('=', '":"') + '"';});
+        qp = qp ? JSON.parse('{' + arr.join() + '}',
+                function (key, value) {
+                    return key === "" ? value : decodeURIComponent(value);
+                }
+        ) : {};
+
+        isValid = qp.state === sentState;
+
+        if ((
+          oauth2.auth.schema.get("flow") === "accessCode" ||
+          oauth2.auth.schema.get("flow") === "authorizationCode" ||
+          oauth2.auth.schema.get("flow") === "authorization_code"
+        ) && !oauth2.auth.code) {
+            if (!isValid) {
+                oauth2.errCb({
+                    authId: oauth2.auth.name,
+                    source: "auth",
+                    level: "warning",
+                    message: "Authorization may be unsafe, passed state was changed in server Passed state wasn't returned from auth server"
+                });
+            }
+
+            if (qp.code) {
+                delete oauth2.state;
+                oauth2.auth.code = qp.code;
+                oauth2.callback({auth: oauth2.auth, redirectUrl: redirectUrl});
+            } else {
+                let oauthErrorMsg;
+                if (qp.error) {
+                    oauthErrorMsg = "["+qp.error+"]: " +
+                        (qp.error_description ? qp.error_description+ ". " : "no accessCode received from the server. ") +
+                        (qp.error_uri ? "More info: "+qp.error_uri : "");
+                }
+
+                oauth2.errCb({
+                    authId: oauth2.auth.name,
+                    source: "auth",
+                    level: "error",
+                    message: oauthErrorMsg || "[Authorization failed]: no accessCode received from the server"
+                });
+            }
+        } else {
+            oauth2.callback({auth: oauth2.auth, token: qp, isValid: isValid, redirectUrl: redirectUrl});
+        }
+        window.close();
+    }
+
+    if (document.readyState !== 'loading') {
+        run();
+    } else {
+        document.addEventListener('DOMContentLoaded', function () {
+            run();
+        });
+    }
+</script>
+</body>
+</html>

tests/config.go

@@ -0,0 +1 @@
+package tests

tests/oclib_conf.json

@@ -0,0 +1,6 @@
+{
+    "DB_URL_LOCAL" : "mongodb://127.0.0.1:27017",
+    "DB_URL_DOCKER": "mongodb://mongo:27017/",
+    "DBPOINT" : "oclib_tests",
+    "DCNAME" : "testDC"
+}

tools/api.go

@@ -0,0 +1,182 @@
+package tools
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"strings"
+
+	"cloud.o-forge.io/core/oc-lib/config"
+	"cloud.o-forge.io/core/oc-lib/dbs/mongo"
+	beego "github.com/beego/beego/v2/server/web"
+)
+
+/*
+* API is the Health Check API
+* it defines the health check methods
+ */
+var UncatchedError = []error{} // Singleton instance of the api 500 error cache
+
+type State int
+
+// State is an enum that defines the state of the API
+const (
+	ALIVE                State = iota
+	REDUCED_SERVICE            // occurs when some services are down
+	UNPROCESSABLE_ENTITY       // occurs when the database is up but the collections are not
+	DB_FALLOUT                 // occurs when the database is down
+	TEAPOT                     // well some things boils in here, i'm probably a teapot, occurs when uncatched errors are present (it's fun)
+	DEAD                       // occurs when the peer is dead
+)
+
+// EnumIndex returns the index of the enum
+func (s State) EnumIndex() int {
+	return int(s)
+}
+
+// ToState returns the state from a string
+func ToState(str string) State {
+	for _, s := range []State{ALIVE, REDUCED_SERVICE, UNPROCESSABLE_ENTITY, DB_FALLOUT, TEAPOT, DEAD} {
+		if s.String() == str {
+			return s
+		}
+	}
+	return DEAD
+}
+
+// String returns the string of the enum
+func (s State) String() string {
+	return [...]string{"alive", "reduced service", "unprocessable entity", "database fallout",
+		"some things boils in here, i'm probably a teapot", "dead"}[s]
+}
+
+type API struct{}
+
+func (a *API) Discovered(infos []*beego.ControllerInfo) {
+	respondToDiscovery := func(m map[string]interface{}) {
+		if len(m) == 0 {
+			a.SubscribeRouter(infos)
+		}
+	}
+	a.ListenRouter(respondToDiscovery)
+	a.SubscribeRouter(infos)
+}
+
+// GetState returns the state of the API
+func (a *API) GetState() (State, int, error) {
+	// Check if the database is up
+	err := mongo.MONGOService.TestDB(config.GetConfig())
+	if err != nil {
+		return DB_FALLOUT, 200, err // If the database is not up, return database fallout
+	}
+	err = mongo.MONGOService.TestCollections(config.GetConfig(), []string{}) // Check if the collections are up
+	if err != nil {
+		return UNPROCESSABLE_ENTITY, 200, err // If the collections are not up, return unprocessable entity
+	}
+	if len(UncatchedError) > 0 { // If there are uncatched errors, return teapot
+		errStr := ""
+		for _, e := range UncatchedError {
+			errStr += e.Error() + "\n"
+		}
+		return TEAPOT, 200, errors.New(errStr)
+	}
+	return ALIVE, 200, nil // If everything is up, return alive
+}
+
+func (a *API) ListenRouter(exec func(msg map[string]interface{})) {
+	go NewNATSCaller().ListenNats(DISCOVERY.GenerateKey("api"), exec)
+}
+
+func (a *API) SubscribeRouter(infos []*beego.ControllerInfo) {
+	nats := NewNATSCaller()
+	discovery := map[string]interface{}{}
+	for _, info := range infos {
+		methods := []string{}
+		for k, v := range info.GetMethod() {
+			if strings.Contains(strings.ToLower(v), "internal") {
+				methods = append(methods, "INTERNAL"+k)
+			} else {
+				methods = append(methods, k)
+			}
+		}
+		path := strings.ReplaceAll(info.GetPattern(), "/oc/", "/"+strings.ReplaceAll(config.GetAppName(), "oc-", ""))
+		discovery[path] = methods
+	}
+	nats.SetNATSPub("api", DISCOVERY, discovery)
+}
+
+// CheckRemotePeer checks the state of a remote peer
+func (a *API) CheckRemotePeer(url string) (State, map[string]int) {
+	// Check if the database is up
+	caller := NewHTTPCaller(map[DataType]map[METHOD]string{}) // Create a new http caller
+	var resp APIStatusResponse
+	b, err := caller.CallPost(url, "", map[string]interface{}{}) // Call the status endpoint of the peer
+	if err != nil {
+		return DEAD, map[string]int{} // If the peer is not reachable, return dead
+	}
+	json.Unmarshal(b, &resp)
+	if resp.Data == nil { // If the response is empty, return dead
+		return DEAD, map[string]int{}
+	}
+	new := map[string]int{}
+	for k, v := range resp.Data.Services { // Return the services states of the peer
+		new[k] = ToState(v).EnumIndex()
+	}
+	return ToState(resp.Data.State), new // Return the state of the peer & its services states
+}
+
+// CheckRemoteAPIs checks the state of remote APIs from your proper OC
+func (a *API) CheckRemoteAPIs(apis []DataType) (State, map[string]string, error) {
+	// Check if the database is up
+	new := map[string]string{}
+	caller := NewHTTPCaller(map[DataType]map[METHOD]string{}) // Create a new http caller
+	code := 0
+	e := ""
+	state := ALIVE
+	reachable := false
+	for _, api := range apis { // Check the state of each remote API in the list
+		var resp APIStatusResponse
+		b, err := caller.CallGet("http://"+api.API()+":8080", "/oc/version/status") // Call the status endpoint of the remote API (standard OC status endpoint)
+		fmt.Println(err)
+		if err != nil {
+			state = REDUCED_SERVICE // If a remote API is not reachable, return reduced service
+			continue
+		}
+		json.Unmarshal(b, &resp)
+		fmt.Println(string(b))
+		if resp.Data == nil { //
+			state = REDUCED_SERVICE // If the response is empty, return reduced service
+			continue
+		}
+		new[api.String()] = resp.Data.State
+		if resp.Data.Code > code {
+			code = resp.Data.Code
+			e += resp.Error
+		}
+		reachable = true // If the remote API is reachable, set reachable to true cause we are not dead
+	}
+	if !reachable {
+		state = DEAD // If no remote API is reachable, return dead, nobody is alive
+	}
+	if code > 0 {
+		state = REDUCED_SERVICE
+	}
+	return state, new, nil
+}
+
+/* APIStatusResponse is the response of the API status */
+type APIStatusResponse struct {
+	Data  *APIStatus `json:"data"`
+	Error string     `json:"error"`
+}
+
+/*
+* APIStatus is the status of the API
+* it defines the state of the API
+* Code is the status code, where 0 is ALIVE, 1 is REDUCED_SERVICE, 2 is UNPROCESSABLE_ENTITY, 3 is DB_FALLOUT, 4 is TEAPOT, 5 is DEAD
+ */
+type APIStatus struct {
+	Code     int               `json:"code"`     // Code is the status code, where 0 is ALIVE, 1 is REDUCED_SERVICE, 2 is UNPROCESSABLE_ENTITY, 3 is DB_FALLOUT, 4 is TEAPOT, 5 is DEAD
+	State    string            `json:"state"`    // State is the state of the API (status shows as a string) (alive, reduced service, unprocessable entity, database fallout, some things boils in here, i'm probably a teapot, dead)
+	Services map[string]string `json:"services"` // Services is the state of the services of the API (status shows as a string) (alive, reduced service, unprocessable entity, database fallout, some things boils in here, i'm probably a teapot, dead)
+}

tools/enums.go

@@ -0,0 +1,88 @@
+package tools
+
+type DataType int
+
+// DataType - Enum for the different types of resources in db accessible from the outside
+const (
+	INVALID DataType = iota
+	DATA_RESOURCE
+	PROCESSING_RESOURCE
+	STORAGE_RESOURCE
+	COMPUTE_RESOURCE
+	WORKFLOW_RESOURCE
+	WORKFLOW
+	WORKFLOW_EXECUTION
+	WORKSPACE
+	RESOURCE_MODEL
+	PEER
+	COLLABORATIVE_AREA
+	RULE
+	BOOKING
+	WORKFLOW_HISTORY
+	WORKSPACE_HISTORY
+)
+
+var NOAPI = ""
+var CATALOGAPI = "oc-catalog"
+var SHAREDAPI = "oc-shared"
+var WORKFLOWAPI = "oc-workflow"
+var WORKSPACEAPI = "oc-workspace"
+var PEERSAPI = "oc-peer"
+var DATACENTERAPI = "oc-datacenter"
+
+// Bind the standard API name to the data type
+var DefaultAPI = [...]string{
+	NOAPI,
+	CATALOGAPI,
+	CATALOGAPI,
+	CATALOGAPI,
+	CATALOGAPI,
+	CATALOGAPI,
+	WORKFLOWAPI,
+	NOAPI,
+	WORKSPACEAPI,
+	CATALOGAPI,
+	PEERSAPI,
+	SHAREDAPI,
+	SHAREDAPI,
+	DATACENTERAPI,
+	NOAPI,
+	NOAPI,
+}
+
+// Bind the standard data name to the data type
+var Str = [...]string{
+	"invalid",
+	"data_resource",
+	"processing_resource",
+	"storage_resource",
+	"compute_resource",
+	"workflow_resource",
+	"workflow",
+	"workflow_execution",
+	"workspace",
+	"resource_model",
+	"peer",
+	"shared_workspace",
+	"rule",
+	"booking",
+	"workflow_history",
+	"workspace_history",
+}
+
+func FromInt(i int) string {
+	return Str[i]
+}
+
+func (d DataType) API() string { // API - Returns the API name of the data type
+	return DefaultAPI[d]
+}
+
+func (d DataType) String() string { // String - Returns the string name of the data type
+	return Str[d]
+}
+
+// EnumIndex - Creating common behavior - give the type a EnumIndex functio
+func (d DataType) EnumIndex() int {
+	return int(d)
+}

tools/nats_caller.go

@@ -0,0 +1,94 @@
+package tools
+
+import (
+	"encoding/json"
+	"strings"
+
+	"cloud.o-forge.io/core/oc-lib/config"
+	"cloud.o-forge.io/core/oc-lib/logs"
+	"github.com/nats-io/nats.go"
+)
+
+// NATS Method Enum defines the different methods that can be used to interact with the NATS server
+type NATSMethod int
+
+const (
+	REMOVE NATSMethod = iota
+	CREATE
+	DISCOVERY
+)
+
+// NameToMethod returns the NATSMethod enum value from a string
+func NameToMethod(name string) NATSMethod {
+	for _, v := range [...]NATSMethod{REMOVE, CREATE} {
+		if strings.Contains(strings.ToLower(v.String()), strings.ToLower(name)) {
+			return v
+		}
+	}
+	return -1
+}
+
+// GenerateKey generates a key for the NATSMethod usefull for standard key based on data name & method
+func (d NATSMethod) GenerateKey(name string) string {
+	return name + "_" + d.String()
+}
+
+// String returns the string of the enum
+func (d NATSMethod) String() string {
+	return [...]string{"remove", "create", "discovery"}[d]
+}
+
+type natsCaller struct{}
+
+// NewNATSCaller creates a new instance of the NATS Caller
+func NewNATSCaller() *natsCaller {
+	return &natsCaller{}
+}
+
+// on workflows' scheduling. Messages must contain
+// workflow execution ID, to allow retrieval of execution infos
+func (s *natsCaller) ListenNats(chanName string, exec func(msg map[string]interface{})) {
+	log := logs.GetLogger()
+	if config.GetConfig().NATSUrl == "" {
+		log.Error().Msg(" -> NATS_SERVER is not set")
+		return
+	}
+	nc, err := nats.Connect(config.GetConfig().NATSUrl)
+	if err != nil {
+		log.Error().Msg(" -> Could not reach NATS server : " + err.Error())
+		return
+	}
+	ch := make(chan *nats.Msg, 64)
+	subs, err := nc.ChanSubscribe(chanName, ch)
+	if err != nil {
+		log.Error().Msg("Error listening to NATS : " + err.Error())
+	}
+	defer subs.Unsubscribe()
+
+	for msg := range ch {
+		map_mess := map[string]interface{}{}
+		json.Unmarshal(msg.Data, &map_mess)
+		exec(map_mess)
+	}
+}
+
+// SetNATSPub sets a message to the NATS server
+func (o *natsCaller) SetNATSPub(dataName string, method NATSMethod, data interface{}) string {
+	if config.GetConfig().NATSUrl == "" {
+		return " -> NATS_SERVER is not set"
+	}
+	nc, err := nats.Connect(config.GetConfig().NATSUrl)
+	if err != nil {
+		return " -> Could not reach NATS server : " + err.Error()
+	}
+	defer nc.Close()
+	js, err := json.Marshal(data)
+	if err != nil {
+		return " -> " + err.Error()
+	}
+	err = nc.Publish(method.GenerateKey(dataName), js) // Publish the message on the NATS server with a channel name based on the data name (or whatever start) and the method
+	if err != nil {
+		return " -> " + err.Error() // Return an error if the message could not be published
+	}
+	return ""
+}

tools/remote_caller.go

@@ -0,0 +1,161 @@
+package tools
+
+import (
+	"bytes"
+	"encoding/json"
+	"io"
+	"net/http"
+	"net/url"
+	"strings"
+)
+
+// HTTP Method Enum defines the different methods that can be used to interact with the HTTP server
+type METHOD int
+
+const (
+	GET METHOD = iota
+	PUT
+	POST
+	DELETE
+
+	STRICT_INTERNAL_GET
+	STRICT_INTERNAL_PUT
+	STRICT_INTERNAL_POST
+	STRICT_INTERNAL_DELETE
+)
+
+// String returns the string of the enum
+func (m METHOD) String() string {
+	return [...]string{"GET", "PUT", "POST", "DELETE", "INTERNALGET", "INTERNALPUT", "INTERNALPOST", "INTERNALDELETE"}[m]
+}
+
+// EnumIndex returns the index of the enum
+func (m METHOD) EnumIndex() int {
+	return int(m)
+}
+
+// ToMethod returns the method from a string
+func ToMethod(str string) METHOD {
+	for _, s := range []METHOD{GET, PUT, POST, DELETE,
+		STRICT_INTERNAL_GET, STRICT_INTERNAL_PUT, STRICT_INTERNAL_POST, STRICT_INTERNAL_DELETE} {
+		if s.String() == str {
+			return s
+		}
+	}
+	return GET
+}
+
+var HTTPCallerInstance = &HTTPCaller{} // Singleton instance of the HTTPCaller
+
+type HTTPCaller struct {
+	URLS     map[DataType]map[METHOD]string // Map of the different methods and their urls
+	Disabled bool                           // Disabled flag
+}
+
+// NewHTTPCaller creates a new instance of the HTTP Caller
+func NewHTTPCaller(urls map[DataType]map[METHOD]string) *HTTPCaller {
+	return &HTTPCaller{
+		URLS:     urls, // Set the urls defined in the config & based on the data name type & method
+		Disabled: false,
+	}
+}
+
+// CallGet calls the GET method on the HTTP server
+func (caller *HTTPCaller) CallGet(url string, subpath string, types ...string) ([]byte, error) {
+	req, err := http.NewRequest(http.MethodGet, url+subpath, bytes.NewBuffer([]byte("")))
+	if err != nil {
+		return nil, err
+	}
+	for _, t := range types {
+		req.Header.Set("Content-Type", t)
+	}
+	client := &http.Client{}
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	return io.ReadAll(resp.Body)
+}
+
+// CallPut calls the DELETE method on the HTTP server
+func (caller *HTTPCaller) CallDelete(url string, subpath string) ([]byte, error) {
+	resp, err := http.NewRequest("DELETE", url+subpath, nil)
+	if err != nil || resp == nil || resp.Body == nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	return io.ReadAll(resp.Body)
+}
+
+// CallPost calls the POST method on the HTTP server
+func (caller *HTTPCaller) CallPost(url string, subpath string, body map[string]interface{}, types ...string) ([]byte, error) {
+	postBody, _ := json.Marshal(body)
+	responseBody := bytes.NewBuffer(postBody)
+	contentType := "application/json"
+	if len(types) > 0 {
+		contentType = types[0]
+	}
+	resp, err := http.Post(url+subpath, contentType, responseBody)
+	if err != nil || resp == nil || resp.Body == nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	return io.ReadAll(resp.Body)
+}
+
+// CallPost calls the POST method on the HTTP server
+func (caller *HTTPCaller) CallPut(url string, subpath string, body map[string]interface{}) ([]byte, error) {
+	postBody, _ := json.Marshal(body)
+	responseBody := bytes.NewBuffer(postBody)
+	req, err := http.NewRequest(http.MethodPut, url+subpath, responseBody)
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Set("Content-Type", "application/json")
+	client := &http.Client{}
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	return io.ReadAll(resp.Body)
+}
+
+// CallRaw calls the Raw method on the HTTP server
+func (caller *HTTPCaller) CallRaw(method string, url string, subpath string,
+	body map[string]interface{}, content_type string, fakeTLSTermination bool, cookies ...*http.Cookie) (*http.Response, error) {
+	postBody, _ := json.Marshal(body)
+	responseBody := bytes.NewBuffer(postBody)
+	req, err := http.NewRequest(method, url+subpath, responseBody)
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Set("Content-Type", content_type)
+	if fakeTLSTermination {
+		req.Header.Add("X-Forwarded-Proto", "https")
+	}
+	for _, c := range cookies {
+		req.AddCookie(c)
+	}
+	client := &http.Client{}
+	return client.Do(req)
+}
+
+// CallRaw calls the Raw method on the HTTP server
+func (caller *HTTPCaller) CallForm(method string, url string, subpath string,
+	body url.Values, content_type string, fakeTLSTermination bool, cookies ...*http.Cookie) (*http.Response, error) {
+	req, err := http.NewRequest(method, url+subpath, strings.NewReader(body.Encode()))
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Set("Content-Type", content_type)
+	if fakeTLSTermination {
+		req.Header.Add("X-Forwarded-Proto", "https")
+	}
+	for _, c := range cookies {
+		req.AddCookie(c)
+	}
+	client := &http.Client{}
+	return client.Do(req)
+}

user_workflows.go

@@ -1 +0,0 @@
-package oclib

workflow_schedule.go

@@ -1 +0,0 @@
-package oclib