organize + graph

models/models.go

@@ -0,0 +1,29 @@
+package models
+
+import (
+	oclib "oc-lib"
+	r "oc-lib/models/resources"
+	d "oc-lib/models/resources/data"
+	dc "oc-lib/models/resources/datacenter"
+	p "oc-lib/models/resources/processing"
+	s "oc-lib/models/resources/storage"
+	"oc-lib/models/utils"
+	w "oc-lib/models/workflow"
+)
+
+var models = map[string]utils.DBObject{
+	w.WORKFLOW:               &w.Workflow{},
+	r.ToString(r.DATA):       &d.Data{},
+	r.ToString(r.DATACENTER): &dc.Datacenter{},
+	r.ToString(r.STORAGE):    &s.Storage{},
+	r.ToString(r.PROCESSING): &p.Processing{},
+}
+
+func Model(model string) utils.DBObject {
+	log := oclib.CreateLogger("oclib", "")
+	if _, ok := models[model]; ok {
+		return models[model]
+	}
+	log.Error().Msg("Can't find model " + model + ".")
+	return nil
+}

models/resources/data/data.go

@@ -0,0 +1,29 @@
+package data
+
+import (
+	resources "oc-lib/models/resources"
+	"oc-lib/models/utils"
+)
+
+type Data struct {
+	resources.AbstractResource
+	Protocols []string `json:"protocol,omitempty" bson:"protocol,omitempty"` //TODO Enum type
+	DataType  string   `json:"datatype" required:"true" bson:"datatype"`
+	Example   string   `json:"example" bson:"example" required:"true" validate:"required" description:"base64 encoded data"`
+}
+
+func (d *Data) GetType() resources.ResourceType {
+	return resources.DATA
+}
+
+func (d *Data) GetAccessor(driver utils.Driver) utils.Accessor {
+	var data utils.Accessor
+	switch driver {
+	case utils.MONGO:
+		data = &DataMongoAccessor{}
+	default:
+		data = &DataMongoAccessor{}
+	}
+	data.SetLogger()
+	return data
+}

models/resources/data/data_mongo_accessor.go

@@ -0,0 +1,39 @@
+package data
+
+import (
+	mongo "oc-lib/dbs/mongo"
+	"oc-lib/models/utils"
+)
+
+type DataMongoAccessor struct {
+	utils.AbstractAccessor
+}
+
+func (dma *DataMongoAccessor) DeleteOne(id string) utils.DBObject {
+	return dma.GenericDeleteOne(id, dma)
+}
+
+func (dma *DataMongoAccessor) UpdateOne(set map[string]interface{}, id string) utils.DBObject {
+	return dma.GenericUpdateOne(set, id, dma)
+}
+
+func (dma *DataMongoAccessor) StoreOne(data utils.DBObject) utils.DBObject {
+	id, err := mongo.StoreOne(data.(*Data), "data")
+	if err != nil {
+		dma.Logger.Error().Msg("Could not store " + data.GetName() + " to db. Error: " + err.Error())
+		return &Data{}
+	}
+	return dma.LoadOne(id)
+}
+
+func (dma *DataMongoAccessor) LoadOne(id string) utils.DBObject {
+	var data Data
+	res_mongo, err := mongo.LoadOne(id, "data")
+	if err != nil {
+		dma.Logger.Error().Msg("Could not retrieve " + id + " from db. Error: " + err.Error())
+		return &Data{}
+	}
+	res_mongo.Decode(&data)
+
+	return &data
+}

models/resources/data/data_test.go

@@ -0,0 +1,45 @@
+package data
+
+import (
+	resources "oc-lib/models/resources"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestStoreOneData(t *testing.T) {
+	d := Data{DataType: "jpeg", Example: "123456",
+		AbstractResource: resources.AbstractResource{
+			Uuid:        "123",
+			Name:        "testData",
+			Description: "Lorem Ipsum",
+			Logo:        "azerty.com",
+			Owner:       "toto",
+			OwnerLogo:   "totoLogo",
+			SourceUrl:   "azerty.fr",
+		},
+	}
+
+	dma := DataMongoAccessor{}
+	id := dma.StoreOne(&d)
+
+	assert.NotEmpty(t, id)
+}
+
+func TestLoadOneDate(t *testing.T) {
+	d := Data{DataType: "jpeg", Example: "123456",
+		AbstractResource: resources.AbstractResource{
+			Uuid:        "123",
+			Name:        "testData",
+			Description: "Lorem Ipsum",
+			Logo:        "azerty.com",
+			Owner:       "toto",
+			OwnerLogo:   "totoLogo",
+			SourceUrl:   "azerty.fr",
+		},
+	}
+
+	dma := DataMongoAccessor{}
+	new_d := dma.StoreOne(&d)
+	assert.Equal(t, d, new_d)
+}

models/resources/datacenter/datacenter.go

@@ -0,0 +1,52 @@
+package datacenter
+
+import (
+	resources "oc-lib/models/resources"
+	"oc-lib/models/utils"
+)
+
+type Datacenter struct {
+	resources.AbstractResource
+	Owner        string `bson:"owner" json:"owner" required:"true"`
+	BookingPrice int    `bson:"booking_price" json:"booking_price" required:"true"`
+
+	CPU DatacenterCpuModel    `bson:"cpu,omitempty" json:"cpu,omitempty"`
+	RAM DatacenterMemoryModel `bson:"ram,omitempty" json:"ram,omitempty"`
+	GPU []DatacenterGpuModel  `bson:"gpu,omitempty" json:"gpu,omitempty"`
+}
+
+type DatacenterCpuModel 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 DatacenterMemoryModel struct {
+	Size uint `bson:"size,omitempty" json:"size,omitempty" description:"Units in MB"`
+	Ecc  bool `bson:"ecc,omitempty" json:"ecc,omitempty"`
+}
+
+type DatacenterGpuModel 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"`
+}
+
+func (d *Datacenter) GetType() resources.ResourceType {
+	return resources.DATACENTER
+}
+
+func (d *Datacenter) GetAccessor(driver utils.Driver) utils.Accessor {
+	var data utils.Accessor
+	switch driver {
+	case utils.MONGO:
+		data = &DatacenterMongoAccessor{}
+	default:
+		data = &DatacenterMongoAccessor{}
+	}
+	data.SetLogger()
+	return data
+}

models/resources/datacenter/datacenter_mongo_accessor.go

@@ -0,0 +1,43 @@
+package datacenter
+
+import (
+	"oc-lib/dbs/mongo"
+	logs "oc-lib/logs"
+	"oc-lib/models/utils"
+)
+
+type DatacenterMongoAccessor struct {
+	utils.AbstractAccessor
+}
+
+func (dma *DatacenterMongoAccessor) DeleteOne(id string) utils.DBObject {
+	return dma.GenericDeleteOne(id, dma)
+}
+
+func (dma *DatacenterMongoAccessor) UpdateOne(set map[string]interface{}, id string) utils.DBObject {
+	return dma.GenericUpdateOne(set, id, dma)
+}
+
+func (dma *DatacenterMongoAccessor) StoreOne(data utils.DBObject) utils.DBObject {
+	id, err := mongo.StoreOne(data.(*Datacenter), "data")
+	if err != nil {
+		dma.Logger.Error().Msg("Could not store " + data.GetName() + " to db. Error: " + err.Error())
+		return &Datacenter{}
+	}
+	return dma.LoadOne(id)
+}
+
+func (dca *DatacenterMongoAccessor) LoadOne(id string) utils.DBObject {
+	var datacenter Datacenter
+
+	res_mongo, err := mongo.LoadOne(id, "datacenter")
+	if err != nil {
+		l := logs.CreateLogger("oclib", "")
+		l.Error().Msg("Could not retrieve " + id + " from db. Error: " + err.Error())
+		return &Datacenter{}
+	}
+
+	res_mongo.Decode(&datacenter)
+
+	return &datacenter
+}

models/resources/datacenter/datacenter_test.go

@@ -0,0 +1,46 @@
+package datacenter
+
+import (
+	resources "oc-lib/models/resources"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestStoreOneDatacenter(t *testing.T) {
+	dc := Datacenter{Owner: "toto", BookingPrice: 123,
+		AbstractResource: resources.AbstractResource{
+			Uuid:        "123",
+			Name:        "testDatacenter",
+			Description: "Lorem Ipsum",
+			Logo:        "azerty.com",
+			Owner:       "toto",
+			OwnerLogo:   "totoLogo",
+			SourceUrl:   "azerty.fr",
+		},
+	}
+
+	dcma := DatacenterMongoAccessor{}
+	id := dcma.StoreOne(&dc)
+
+	assert.NotEmpty(t, id)
+}
+
+func TestLoadOneDatacenter(t *testing.T) {
+	dc := Datacenter{Owner: "toto", BookingPrice: 123,
+		AbstractResource: resources.AbstractResource{
+			Uuid:        "123",
+			Name:        "testDatacenter",
+			Description: "Lorem Ipsum",
+			Logo:        "azerty.com",
+			Owner:       "toto",
+			OwnerLogo:   "totoLogo",
+			SourceUrl:   "azerty.fr",
+		},
+	}
+
+	dcma := DatacenterMongoAccessor{}
+	new_dc := dcma.StoreOne(&dc)
+
+	assert.Equal(t, dc, new_dc)
+}

models/resources/processing/processing.go

@@ -0,0 +1,46 @@
+package processing
+
+import (
+	resources "oc-lib/models/resources"
+	"oc-lib/models/utils"
+)
+
+type Processing struct {
+	resources.AbstractResource
+	Container   string              `bson:"container,omitempty" json:"container,omitempty"`   // We could create a specific class for container, that could check if the name exists/is available
+	Repository  string              `bson:"repository,omitempty" json:"repository,omitempty"` // Indicate where to find the container image	=> Could add a struct handling authentication to the repo
+	Command     string              `bson:"command,omitempty" json:"command,omitempty"`
+	Arguments   []string            `bson:"arguments,omitempty" json:"arguments,omitempty"`
+	Environment []map[string]string `bson:"environment,omitempty" json:"environment,omitempty"` // a key/value struct is what ressembles the most a NAME=VALUE struct
+
+	ExecutionRequirements ExecutionRequirementsModel `json:"execution_requirements,omitempty"`
+
+	Price   uint   `bson:"price,omitempty" json:"price,omitempty"`
+	License string `bson:"license,omitempty" json:"license,omitempty"`
+}
+
+type ExecutionRequirementsModel struct {
+	CPUs uint `bson:"cp_us,omitempty" json:"cp_us,omitempty"`
+	GPUs uint `bson:"gp_us,omitempty" json:"gp_us,omitempty"`
+	RAM  uint `bson:"ram,omitempty" json:"ram,omitempty"`
+
+	Parallel     bool   `bson:"parallel,omitempty" json:"parallel,omitempty"`
+	ScalingModel uint   `bson:"scaling_model,omitempty" json:"scaling_model,omitempty"`
+	DiskIO       string `bson:"disk_io,omitempty" json:"disk_io,omitempty"`
+}
+
+func (p *Processing) GetType() resources.ResourceType {
+	return resources.PROCESSING
+}
+
+func (d *Processing) GetAccessor(driver utils.Driver) utils.Accessor {
+	var data utils.Accessor
+	switch driver {
+	case utils.MONGO:
+		data = &ProcessingMongoAccessor{}
+	default:
+		data = &ProcessingMongoAccessor{}
+	}
+	data.SetLogger()
+	return data
+}

models/resources/processing/processing_mongo_accessor.go

@@ -0,0 +1,44 @@
+package processing
+
+import (
+	"oc-lib/dbs/mongo"
+	"oc-lib/logs"
+	"oc-lib/models/utils"
+)
+
+type ProcessingMongoAccessor struct {
+	utils.AbstractAccessor
+}
+
+func (dma *ProcessingMongoAccessor) DeleteOne(id string) utils.DBObject {
+	return dma.GenericDeleteOne(id, dma)
+}
+
+func (dma *ProcessingMongoAccessor) UpdateOne(set map[string]interface{}, id string) utils.DBObject {
+	return dma.GenericUpdateOne(set, id, dma)
+}
+
+func (dma *ProcessingMongoAccessor) StoreOne(data utils.DBObject) utils.DBObject {
+	id, err := mongo.StoreOne(data.(*Processing), "data")
+	if err != nil {
+		dma.Logger.Error().Msg("Could not store " + data.GetName() + " to db. Error: " + err.Error())
+		return &Processing{}
+	}
+	return dma.LoadOne(id)
+}
+
+func (pma *ProcessingMongoAccessor) LoadOne(id string) utils.DBObject {
+
+	var processing Processing
+
+	res_mongo, err := mongo.LoadOne(id, "processing")
+	if err != nil {
+		l := logs.CreateLogger("oclib", "")
+		l.Error().Msg("Could not retrieve " + id + " from db. Error: " + err.Error())
+		return &Processing{}
+	}
+
+	res_mongo.Decode(&processing)
+
+	return &processing
+}

models/resources/processing/processing_test.go

@@ -0,0 +1,45 @@
+package processing
+
+import (
+	resources "oc-lib/models/resources"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestStoreOneProcessing(t *testing.T) {
+	p := Processing{Container: "totoCont",
+		AbstractResource: resources.AbstractResource{
+			Uuid:        "123",
+			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 := Processing{Container: "totoCont",
+		AbstractResource: resources.AbstractResource{
+			Uuid:        "123",
+			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 +1,54 @@
+package resources
+
+// 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 ResourceType int
+
+const (
+	INVALID ResourceType = iota
+	DATA
+	PROCESSING
+	STORAGE
+	DATACENTER
+	WORKFLOW
+)
+
+var str = [...]string{
+	"invalid",
+	"data",
+	"processing",
+	"storage",
+	"datacenter",
+	"workflow",
+}
+
+func ToString(r ResourceType) string {
+	return str[r]
+}
+
+type Resource interface {
+	GetType() ResourceType
+}
+
+type AbstractResource struct {
+	Uuid             string `json:"uuid" required:"true" bson:"uuid"`
+	Name             string `json:"name" required:"true" bson:"name"`
+	ShortDescription string `json:"short_description" required:"true" bson:"short_description"`
+	Description      string `json:"description,omitempty" bson:"description"`
+	Logo             string `json:"logo" required:"true" bson:"logo"`
+	Owner            string `json:"owner" required:"true" bson:"owner"`
+	OwnerLogo        string `json:"owner_logo" required:"true" bson:"owner_logo"`
+	SourceUrl        string `json:"source_url" required:"true" bson:"source_url"`
+}
+
+func (r *AbstractResource) GetID() string {
+	return r.Uuid
+}
+
+func (r *AbstractResource) GetName() string {
+	return r.Name
+}

models/resources/storage/storage.go

@@ -0,0 +1,39 @@
+package storage
+
+import (
+	resources "oc-lib/models/resources"
+	"oc-lib/models/utils"
+)
+
+type URL struct {
+	Protocol string `bson:"protocol" json:"protocol"`
+	Path     string `bson:"path" json:"path"`
+}
+
+type Storage struct {
+	resources.AbstractResource
+
+	Capacity uint `bson:"capacity,omitempty" json:"capacity,omitempty"`
+	Url      URL  `bson:"url,omitempty" json:"url,omitempty"` // Will allow to select between several protocols
+
+	Encryption   bool   `bson:"encryption,omitempty" json:"encryption,omitempty"`
+	Redundancy   string `bson:"redundancy,omitempty" json:"redundancy,omitempty"`
+	Throughput   string `bson:"throughput,omitempty" json:"throughput,omitempty"`
+	BookingPrice uint   `bson:"booking_price,omitempty" json:"booking_price,omitempty"`
+}
+
+func (s *Storage) GetType() resources.ResourceType {
+	return resources.STORAGE
+}
+
+func (d *Storage) GetAccessor(driver utils.Driver) utils.Accessor {
+	var data utils.Accessor
+	switch driver {
+	case utils.MONGO:
+		data = &StorageMongoAccessor{}
+	default:
+		data = &StorageMongoAccessor{}
+	}
+	data.SetLogger()
+	return data
+}

models/resources/storage/storage_mongo_accessor.go

@@ -0,0 +1,44 @@
+package storage
+
+import (
+	"oc-lib/dbs/mongo"
+	"oc-lib/logs"
+	"oc-lib/models/utils"
+)
+
+type StorageMongoAccessor struct {
+	utils.AbstractAccessor
+}
+
+func (dma *StorageMongoAccessor) DeleteOne(id string) utils.DBObject {
+	return dma.GenericDeleteOne(id, dma)
+}
+
+func (dma *StorageMongoAccessor) UpdateOne(set map[string]interface{}, id string) utils.DBObject {
+	return dma.GenericUpdateOne(set, id, dma)
+}
+
+func (dma *StorageMongoAccessor) StoreOne(data utils.DBObject) utils.DBObject {
+	id, err := mongo.StoreOne(data.(*Storage), "data")
+	if err != nil {
+		dma.Logger.Error().Msg("Could not store " + data.GetName() + " to db. Error: " + err.Error())
+		return &Storage{}
+	}
+	return dma.LoadOne(id)
+}
+
+func (schedulema *StorageMongoAccessor) LoadOne(id string) utils.DBObject {
+
+	var storage Storage
+
+	res_mongo, err := mongo.LoadOne(id, "storage")
+	if err != nil {
+		l := logs.CreateLogger("oclib", "")
+		l.Error().Msg("Could not retrieve " + id + " from db. Error: " + err.Error())
+		return &Storage{}
+	}
+
+	res_mongo.Decode(&storage)
+
+	return &storage
+}

models/resources/storage/storage_test.go

@@ -0,0 +1,46 @@
+package storage
+
+import (
+	resources "oc-lib/models/resources"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestStoreOneStorage(t *testing.T) {
+	s := Storage{Capacity: 123, Url: URL{Protocol: "http", Path: "azerty.fr"},
+		AbstractResource: resources.AbstractResource{
+			Uuid:        "123",
+			Name:        "testData",
+			Description: "Lorem Ipsum",
+			Logo:        "azerty.com",
+			Owner:       "toto",
+			OwnerLogo:   "totoLogo",
+			SourceUrl:   "azerty.fr",
+		},
+	}
+
+	sma := StorageMongoAccessor{}
+	id := sma.StoreOne(&s)
+
+	assert.NotEmpty(t, id)
+}
+
+func TestLoadOneStorage(t *testing.T) {
+	s := Storage{Capacity: 123, Url: URL{Protocol: "http", Path: "azerty.fr"},
+		AbstractResource: resources.AbstractResource{
+			Uuid:        "123",
+			Name:        "testData",
+			Description: "Lorem Ipsum",
+			Logo:        "azerty.com",
+			Owner:       "toto",
+			OwnerLogo:   "totoLogo",
+			SourceUrl:   "azerty.fr",
+		},
+	}
+
+	sma := StorageMongoAccessor{}
+	new_s := sma.StoreOne(&s)
+
+	assert.Equal(t, s, new_s)
+}

models/utils/abstracts.go

@@ -0,0 +1,32 @@
+package utils
+
+import (
+	oclib "oc-lib"
+	"oc-lib/dbs/mongo"
+
+	"github.com/rs/zerolog"
+)
+
+type AbstractAccessor struct {
+	Logger zerolog.Logger
+}
+
+func (dma *AbstractAccessor) SetLogger() {
+	dma.Logger = oclib.CreateLogger("oclib", "")
+}
+func (dma *AbstractAccessor) GenericDeleteOne(id string, accessor Accessor) DBObject {
+	res := accessor.LoadOne(id)
+	_, err := mongo.DeleteOne(id, "data")
+	if err != nil {
+		dma.Logger.Error().Msg("Could not delete " + id + " to db. Error: " + err.Error())
+	}
+	return res
+}
+
+func (dma *AbstractAccessor) GenericUpdateOne(set map[string]interface{}, id string, accessor Accessor) DBObject {
+	id, err := mongo.UpdateOne(set, id, "data")
+	if err != nil {
+		dma.Logger.Error().Msg("Could not update " + id + " to db. Error: " + err.Error())
+	}
+	return accessor.LoadOne(id)
+}

models/utils/enums.go

@@ -0,0 +1,8 @@
+package utils
+
+type Driver int
+
+const (
+	INVALID Driver = iota
+	MONGO
+)

models/utils/interfaces.go

@@ -0,0 +1,14 @@
+package utils
+
+type DBObject interface {
+	GetName() string
+	GetAccessor(driver Driver) Accessor
+}
+
+type Accessor interface {
+	SetLogger()
+	LoadOne(id string) DBObject
+	DeleteOne(id string) DBObject
+	StoreOne(data DBObject) DBObject
+	UpdateOne(set map[string]interface{}, id string) DBObject
+}

models/workflow/graph/graph.go

@@ -0,0 +1,41 @@
+package graph
+
+type Graph struct {
+	Items map[string]GraphItem `bson:"items" json:"items" default:"{}" required:"true"`
+	Links []GraphLink          `bson:"links" json:"links" default:"{}" required:"true"`
+}
+
+type GraphItem struct {
+	ID         string   `bson:"ID" json:"ID" required:"true"`
+	Width      float64  `bson:"width" json:"width" required:"true"`
+	Height     float64  `bson:"height" json:"height" required:"true"`
+	Position   Position `bson:"position" json:"position" required:"true"`
+	ResourceID string   `bson:"resource_id" json:"resource_id" required:"true"`
+}
+
+type GraphLink struct {
+	Source      Position       `bson:"source" json:"source" required:"true"`
+	Destination Position       `bson:"destination" json:"destination" required:"true"`
+	Style       GraphLinkStyle `bson:"style" json:"style" required:"true"`
+}
+
+type GraphLinkStyle struct {
+	Color           int64    `bson:"color" json:"color" required:"true"`
+	Stroke          float64  `bson:"stroke" json:"stroke" required:"true"`
+	Tension         float64  `bson:"tension" json:"tension"`
+	HeadRadius      float64  `bson:"head_radius" json:"head_radius"`
+	DashWidth       float64  `bson:"dash_width" json:"dash_width"`
+	DashSpace       float64  `bson:"dash_space" json:"dash_space"`
+	EndArrow        Position `bson:"end_arrow" json:"end_arrow"`
+	StartArrow      Position `bson:"start_arrow" json:"start_arrow"`
+	ArrowStyle      int64    `bson:"arrow_style" json:"arrow_style" required:"true"`
+	ArrowDirection  int64    `bson:"arrow_direction" json:"arrow_direction" required:"true"`
+	StartArrowWidth float64  `bson:"start_arrow_style" json:"start_arrow_style"`
+	EndArrowWidth   float64  `bson:"end_arrow_style" json:"end_arrow_style"`
+}
+
+type Position struct {
+	ID string  `json:"ID" required:"true"`
+	X  float64 `json:"x" required:"true"`
+	Y  float64 `json:"y" required:"true"`
+}

models/workflow/workflow.go

@@ -0,0 +1,45 @@
+package oclib
+
+import (
+	"oc-lib/models/resources"
+	"oc-lib/models/resources/data"
+	"oc-lib/models/resources/datacenter"
+	"oc-lib/models/resources/processing"
+	"oc-lib/models/resources/storage"
+	"oc-lib/models/utils"
+	"oc-lib/models/workflow/graph"
+)
+
+const WORKFLOW = "workflow"
+
+type Workflow struct {
+	resources.AbstractResource
+	Graph       graph.Graph                      `bson:"graph,omitempty" json:"graph,omitempty"`
+	Datas       map[string]data.Data             `bson:"datas,omitempty" json:"datas,omitempty"`
+	Storages    map[string]storage.Storage       `bson:"storages,omitempty" json:"storages,omitempty"`
+	Processing  map[string]processing.Processing `bson:"processing,omitempty" json:"processing,omitempty"`
+	Datacenters map[string]datacenter.Datacenter `bson:"datacenters,omitempty" json:"datacenters,omitempty"`
+	Schedule    WorkflowSchedule                 `bson:"schedule,omitempty" json:"schedule,omitempty"`
+}
+
+func (d *Workflow) GetAccessor(driver utils.Driver) utils.Accessor {
+	var data utils.Accessor
+	switch driver {
+	case utils.MONGO:
+		data = &WorkflowMongoAccessor{}
+	default:
+		data = &WorkflowMongoAccessor{}
+	}
+	data.SetLogger()
+	return data
+}
+
+func (w *Workflow) isDCLink(link graph.GraphLink) bool {
+	if _, exists := w.Datacenters[link.Destination.ID]; exists {
+		return true
+	} else if _, exists := w.Datacenters[link.Source.ID]; exists {
+		return true
+	}
+
+	return false
+}

models/workflow/workflow_mongo_accessor.go

@@ -0,0 +1,43 @@
+package oclib
+
+import (
+	"oc-lib/dbs/mongo"
+	"oc-lib/logs"
+	"oc-lib/models/utils"
+)
+
+type WorkflowMongoAccessor struct {
+	utils.AbstractAccessor
+}
+
+func (dma *WorkflowMongoAccessor) DeleteOne(id string) utils.DBObject {
+	return dma.GenericDeleteOne(id, dma)
+}
+
+func (dma *WorkflowMongoAccessor) UpdateOne(set map[string]interface{}, id string) utils.DBObject {
+	return dma.GenericUpdateOne(set, id, dma)
+}
+
+func (dma *WorkflowMongoAccessor) StoreOne(data utils.DBObject) utils.DBObject {
+	id, err := mongo.StoreOne(data.(*Workflow), "data")
+	if err != nil {
+		dma.Logger.Error().Msg("Could not store " + data.GetName() + " to db. Error: " + err.Error())
+		return &Workflow{}
+	}
+	return dma.LoadOne(id)
+}
+
+func (wfa *WorkflowMongoAccessor) LoadOne(id string) utils.DBObject {
+	var workflow Workflow
+
+	res_mongo, err := mongo.LoadOne(id, "workflow")
+	if err != nil {
+		l := logs.CreateLogger("oclib", "")
+		l.Error().Msg("Could not retrieve " + id + " from db. Error: " + err.Error())
+		return &Workflow{}
+	}
+
+	res_mongo.Decode(&workflow)
+
+	return &workflow
+}

models/workflow/workflow_schedule.go

@@ -0,0 +1,15 @@
+package oclib
+
+import "time"
+
+type WorkflowSchedule struct {
+	Id		string `json:"id"`
+	Start	time.Time 
+	End		time.Time
+	Cron	string
+}
+
+func (ws *WorkflowSchedule) GetAllDates() (timetable []time.Time){
+	// Return all the execution time generated by the Cron
+	return
+}

models/workflow/workflow_test.go

@@ -0,0 +1,43 @@
+package oclib
+
+import (
+	"oc-lib/models/resources"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestStoreOneWorkflow(t *testing.T) {
+	w := Workflow{AbstractResource: resources.AbstractResource{
+		Uuid:        "123",
+		Name:        "testWorkflow",
+		Description: "Lorem Ipsum",
+		Logo:        "azerty.com",
+		Owner:       "toto",
+		OwnerLogo:   "totoLogo",
+		SourceUrl:   "azerty.fr",
+	},
+	}
+
+	wma := WorkflowMongoAccessor{}
+	id := wma.StoreOne(&w)
+
+	assert.NotEmpty(t, id)
+}
+
+func TestLoadOneWorkflow(t *testing.T) {
+	w := Workflow{AbstractResource: resources.AbstractResource{
+		Uuid:        "123",
+		Name:        "testWorkflow",
+		Description: "Lorem Ipsum",
+		Logo:        "azerty.com",
+		Owner:       "toto",
+		OwnerLogo:   "totoLogo",
+		SourceUrl:   "azerty.fr",
+	},
+	}
+
+	wma := WorkflowMongoAccessor{}
+	new_w := wma.StoreOne(&w)
+	assert.Equal(t, w, new_w)
+}