delete scheduler

add event base intelligency
2026-01-13 16:53:25 +01:00 · 2026-01-13 16:04:31 +01:00
46 changed files with 824 additions and 946 deletions
--- a/entrypoint.go
+++ b/entrypoint.go
@@ -57,6 +57,7 @@ const (
 	LIVE_DATACENTER                 = tools.LIVE_DATACENTER
 	LIVE_STORAGE                    = tools.LIVE_STORAGE
 	PURCHASE_RESOURCE               = tools.PURCHASE_RESOURCE
+	NATIVE_TOOL                     = tools.NATIVE_TOOL
 )

 // will turn into standards api hostnames
@@ -108,7 +109,7 @@ func InitDaemon(appName string) {
 	logs.SetLogger(logs.CreateLogger("main"))
 	// Load the right config file
 	o := GetConfLoader()
-
+	resources.InitNative()
 	// feed the library with the loaded config
 	SetConfig(
 		o.GetStringDefault("MONGO_URL", "mongodb://127.0.0.1:27017"),
@@ -243,52 +244,17 @@ func NewRequest(collection LibDataEnum, user string, peerID string, groups []str
 	return &Request{collection: collection, user: user, peerID: peerID, groups: groups, caller: caller}
 }

-func ToScheduler(m interface{}) (n *workflow_execution.WorkflowSchedule) {
-	defer func() {
-		if r := recover(); r != nil {
-			return
-		}
-	}()
-	return m.(*workflow_execution.WorkflowSchedule)
-}
-
-func (r *Request) Schedule(wfID string, scheduler *workflow_execution.WorkflowSchedule) (*workflow_execution.WorkflowSchedule, error) {
-	ws, _, _, err := scheduler.Schedules(wfID, &tools.APIRequest{
-		Caller:   r.caller,
-		Username: r.user,
-		PeerID:   r.peerID,
-		Groups:   r.groups,
-	})
-	if err != nil {
-		return nil, err
-	}
-	return ws, nil
-}
-
-func (r *Request) CheckBooking(wfID string, start string, end string, durationInS float64, cron string) bool {
-	ok, _, _, _, _, err := workflow_execution.NewScheduler(start, end, durationInS, cron).GetBuyAndBook(wfID, &tools.APIRequest{
-		Caller:   r.caller,
-		Username: r.user,
-		PeerID:   r.peerID,
-		Groups:   r.groups,
-	})
-	if err != nil {
-		fmt.Println(err)
-		return false
-	}
-	return ok
-}
-
+/*
 func (r *Request) PaymentTunnel(o *order.Order, scheduler *workflow_execution.WorkflowSchedule) error {
-	/*return o.Pay(scheduler, &tools.APIRequest{
+	return o.Pay(scheduler, &tools.APIRequest{
 		Caller:   r.caller,
 		Username: r.user,
 		PeerID:   r.peerID,
 		Groups:   r.groups,
-	})*/
+	})
 	return nil
 }
-
+*/
 /*
 * Search will search for the data in the database
 * @param filters *dbs.Filters
@@ -598,7 +564,6 @@ func (l *LibData) ToPurchasedResource() *purchase_resource.PurchaseResource {
 	return nil
 }

-
 // ============== ADMIRALTY ==============
 // Returns a concatenation of the peerId and namespace in order for
 // kubernetes ressources to have a unique name, under 63 characters
@@ -614,11 +579,11 @@ func GetConcatenatedName(peerId string, namespace string) string {

 func LoadOneStorage(storageId string, user string, peerID string, groups []string) (*resources.StorageResource, error) {

-	res := NewRequest(LibDataEnum(STORAGE_RESOURCE), user, peerID, groups,nil).LoadOne(storageId)
+	res := NewRequest(LibDataEnum(STORAGE_RESOURCE), user, peerID, groups, nil).LoadOne(storageId)
 	if res.Code != 200 {
 		l := GetLogger()
 		l.Error().Msg("Error while loading storage ressource " + storageId)
-		return nil,fmt.Errorf(res.Err) 
+		return nil, fmt.Errorf(res.Err)
 	}

 	return res.ToStorageResource(), nil
@@ -626,11 +591,11 @@ func LoadOneStorage(storageId string, user string, peerID string, groups []strin

 func LoadOneComputing(computingId string, user string, peerID string, groups []string) (*resources.ComputeResource, error) {

-	res := NewRequest(LibDataEnum(COMPUTE_RESOURCE), user, peerID, groups,nil).LoadOne(computingId)
+	res := NewRequest(LibDataEnum(COMPUTE_RESOURCE), user, peerID, groups, nil).LoadOne(computingId)
 	if res.Code != 200 {
 		l := GetLogger()
 		l.Error().Msg("Error while loading computing ressource " + computingId)
-		return nil,fmt.Errorf(res.Err) 
+		return nil, fmt.Errorf(res.Err)
 	}

 	return res.ToComputeResource(), nil
@@ -638,11 +603,11 @@ func LoadOneComputing(computingId string, user string, peerID string, groups []s

 func LoadOneProcessing(processingId string, user string, peerID string, groups []string) (*resources.ProcessingResource, error) {

-	res := NewRequest(LibDataEnum(PROCESSING_RESOURCE), user, peerID, groups,nil).LoadOne(processingId)
+	res := NewRequest(LibDataEnum(PROCESSING_RESOURCE), user, peerID, groups, nil).LoadOne(processingId)
 	if res.Code != 200 {
 		l := GetLogger()
 		l.Error().Msg("Error while loading processing ressource " + processingId)
-		return nil,fmt.Errorf(res.Err) 
+		return nil, fmt.Errorf(res.Err)
 	}

 	return res.ToProcessingResource(), nil
@@ -650,11 +615,11 @@ func LoadOneProcessing(processingId string, user string, peerID string, groups [

 func LoadOneData(dataId string, user string, peerID string, groups []string) (*resources.DataResource, error) {

-	res := NewRequest(LibDataEnum(DATA_RESOURCE), user, peerID, groups,nil).LoadOne(dataId)
+	res := NewRequest(LibDataEnum(DATA_RESOURCE), user, peerID, groups, nil).LoadOne(dataId)
 	if res.Code != 200 {
 		l := GetLogger()
 		l.Error().Msg("Error while loading data ressource " + dataId)
-		return nil,fmt.Errorf(res.Err) 
+		return nil, fmt.Errorf(res.Err)
 	}
 	return res.ToDataResource(), nil

--- a/models/bill/bill.go
+++ b/models/bill/bill.go
@@ -169,7 +169,7 @@ func (d *PeerOrder) Pay(request *tools.APIRequest, response chan *PeerOrder, wg

 func (d *PeerOrder) SumUpBill(request *tools.APIRequest) error {
 	for _, b := range d.Items {
-		tot, err := b.GetPrice(request) // missing something
+		tot, err := b.GetPriceHT(request) // missing something
 		if err != nil {
 			return err
 		}
@@ -184,7 +184,7 @@ type PeerItemOrder struct {
 	Item     map[string]interface{}              `json:"item,omitempty" bson:"item,omitempty"`
 }

-func (d *PeerItemOrder) GetPrice(request *tools.APIRequest) (float64, error) {
+func (d *PeerItemOrder) GetPriceHT(request *tools.APIRequest) (float64, error) {
 	/////////// Temporary in order to allow GenerateOrder to complete while billing is still WIP
 	if d.Purchase == nil {
 		return 0, nil
@@ -210,7 +210,7 @@ func (d *PeerItemOrder) GetPrice(request *tools.APIRequest) (float64, error) {
 			}
 		}
 	}
-	p, err := priced.GetPrice()
+	p, err := priced.GetPriceHT()
 	if err != nil {
 		return 0, err
 	}
--- a/models/booking/booking.go
+++ b/models/booking/booking.go
@@ -22,7 +22,7 @@ type Booking struct {
 	ExecutionMetrics map[string][]models.MetricsSnapshot       `json:"metrics,omitempty" bson:"metrics,omitempty"`

 	ExecutionsID      string             `json:"executions_id,omitempty" bson:"executions_id,omitempty" validate:"required"` // ExecutionsID is the ID of the executions
-	DestPeerID        string             `json:"dest_peer_id,omitempty" bson:"dest_peer_id,omitempty"`                                                     // DestPeerID is the ID of the destination peer
+	DestPeerID        string             `json:"dest_peer_id,omitempty" bson:"dest_peer_id,omitempty"`                       // DestPeerID is the ID of the destination peer
 	WorkflowID        string             `json:"workflow_id,omitempty" bson:"workflow_id,omitempty"`                         // WorkflowID is the ID of the workflow
 	ExecutionID       string             `json:"execution_id,omitempty" bson:"execution_id,omitempty" validate:"required"`
 	State             enum.BookingStatus `json:"state,omitempty" bson:"state,omitempty" validate:"required"`                             // State is the state of the booking
@@ -118,7 +118,7 @@ func (d *Booking) GetAccessor(request *tools.APIRequest) utils.Accessor {
 	return NewAccessor(request) // Create a new instance of the accessor
 }

-func (d *Booking) VerifyAuth(request *tools.APIRequest) bool {
+func (d *Booking) VerifyAuth(callName string, request *tools.APIRequest) bool {
 	return true
 }

--- a/models/booking/enums.go
+++ b/models/booking/enums.go
@@ -0,0 +1,23 @@
+package booking
+
+type BookingMode int
+
+const (
+	PLANNED       BookingMode = iota // predictible
+	PREEMPTED                        // can be both predictible or unpredictible, first one asking for a quick exec, second on event, but we pay to preempt in any case.
+	WHEN_POSSIBLE                    // unpredictable, two mode of payment can be available on that case: fixed, or per USE
+)
+
+/*
+Ok make a point there:
+There is 3 notions about booking & payment :
+	Booking mode : WHEN is executed
+	Buying mode : Duration of payment
+	Pricing Mode : How Many time we pay
+
+
+We can simplify Buying Mode and Pricing Mode, some Buying Mode implied limited pricing mode
+Such as Rules. Just like PERMANENT BUYING can be paid only once.
+
+Booking Mode on WHEN POSSIBLE make an exception, because we can't know when executed.
+*/
--- a/models/booking/tests/booking_test.go
+++ b/models/booking/tests/booking_test.go
@@ -42,7 +42,7 @@ func TestBooking_GetAccessor(t *testing.T) {
 }

 func TestBooking_VerifyAuth(t *testing.T) {
-	assert.True(t, (&booking.Booking{}).VerifyAuth(nil))
+	assert.True(t, (&booking.Booking{}).VerifyAuth("get", nil))
 }

 func TestBooking_StoreDraftDefault(t *testing.T) {
--- a/models/collaborative_area/collaborative_area.go
+++ b/models/collaborative_area/collaborative_area.go
@@ -71,7 +71,7 @@ func (ao *CollaborativeArea) Clear(peerID string) {
 	ao.CollaborativeAreaRule.CreatedAt = time.Now().UTC()
 }

-func (ao *CollaborativeArea) VerifyAuth(request *tools.APIRequest) bool {
+func (ao *CollaborativeArea) VerifyAuth(callName string, request *tools.APIRequest) bool {
 	if (ao.AllowedPeersGroup != nil || config.GetConfig().Whitelist) && request != nil {
 		if grps, ok := ao.AllowedPeersGroup[request.PeerID]; ok || config.GetConfig().Whitelist {
 			if slices.Contains(grps, "*") || (!ok && config.GetConfig().Whitelist) {
@@ -84,7 +84,7 @@ func (ao *CollaborativeArea) VerifyAuth(request *tools.APIRequest) bool {
 			}
 		}
 	}
-	return ao.AbstractObject.VerifyAuth(request)
+	return ao.AbstractObject.VerifyAuth(callName, request)
 }

 func (d *CollaborativeArea) GetAccessor(request *tools.APIRequest) utils.Accessor {
@@ -97,7 +97,7 @@ func (d *CollaborativeArea) Trim() *CollaborativeArea {

 func (d *CollaborativeArea) StoreDraftDefault() {
 	d.AllowedPeersGroup = map[string][]string{
-		d.CreatorID: []string{"*"},
+		d.CreatorID: {"*"},
 	}
 	d.IsDraft = false
 }
--- a/models/collaborative_area/rules/rule/rule.go
+++ b/models/collaborative_area/rules/rule/rule.go
@@ -24,6 +24,6 @@ func (d *Rule) GetAccessor(request *tools.APIRequest) utils.Accessor {
 	return NewAccessor(request)
 }

-func (d *Rule) VerifyAuth(request *tools.APIRequest) bool {
+func (d *Rule) VerifyAuth(callName string, request *tools.APIRequest) bool {
 	return true
 }
--- a/models/common/pricing/interfaces.go
+++ b/models/common/pricing/interfaces.go
@@ -3,6 +3,7 @@ package pricing
 import (
 	"time"

+	"cloud.o-forge.io/core/oc-lib/models/booking"
 	"cloud.o-forge.io/core/oc-lib/tools"
 )

@@ -11,6 +12,9 @@ type PricedItemITF interface {
 	GetType() tools.DataType
 	IsPurchasable() bool
 	IsBooked() bool
+	GetQuantity() int
+	AddQuantity(amount int)
+	GetBookingMode() booking.BookingMode
 	GetCreatorID() string
 	SelectPricing() PricingProfileITF
 	GetLocationStart() *time.Time
@@ -18,5 +22,5 @@ type PricedItemITF interface {
 	SetLocationEnd(end time.Time)
 	GetLocationEnd() *time.Time
 	GetExplicitDurationInS() float64
-	GetPrice() (float64, error)
+	GetPriceHT() (float64, error)
 }
--- a/models/common/pricing/pricing_profile.go
+++ b/models/common/pricing/pricing_profile.go
@@ -9,7 +9,7 @@ type PricingProfileITF interface {
 	IsPurchasable() bool
 	GetPurchase() BuyingStrategy
 	GetOverrideStrategyValue() int
-	GetPrice(quantity float64, val float64, start time.Time, end time.Time, params ...string) (float64, error)
+	GetPriceHT(quantity float64, val float64, start time.Time, end time.Time, variation []*PricingVariation, params ...string) (float64, error)
 }

 type RefundType int
@@ -34,10 +34,37 @@ type AccessPricingProfile[T Strategy] struct { // only use for acces such as : D
 	RefundRatio   int32              `json:"refund_ratio" bson:"refund_ratio" default:"0"` // RefundRatio is the refund ratio if missing
 }

+func (a AccessPricingProfile[T]) IsBooked() bool {
+	return a.Pricing.BuyingStrategy == SUBSCRIPTION
+}
+
+func (a AccessPricingProfile[T]) IsPurchasable() bool {
+	return a.Pricing.BuyingStrategy == PERMANENT
+}
+
+func (a AccessPricingProfile[T]) GetPurchase() BuyingStrategy {
+	return a.Pricing.BuyingStrategy
+}
+
+func (a AccessPricingProfile[T]) GetPriceHT(quantity float64, val float64, start time.Time, end time.Time, variations []*PricingVariation, params ...string) (float64, error) {
+	return a.Pricing.GetPriceHT(quantity, val, start, &end, variations)
+}
+
 func (b *AccessPricingProfile[T]) GetOverrideStrategyValue() int {
 	return -1
 }

+func GetDefaultPricingProfile() PricingProfileITF {
+	return &AccessPricingProfile[TimePricingStrategy]{
+		Pricing: PricingStrategy[TimePricingStrategy]{
+			Price:               0,
+			Currency:            "EUR",
+			BuyingStrategy:      PERMANENT,
+			TimePricingStrategy: ONCE,
+		},
+	}
+}
+
 type ExploitPrivilegeStrategy int

 const (
--- a/models/common/pricing/pricing_strategy.go
+++ b/models/common/pricing/pricing_strategy.go
@@ -163,11 +163,37 @@ type PricingStrategy[T Strategy] struct {
 	OverrideStrategy    T                   `json:"override_strategy" bson:"override_strategy" default:"-1"`        // Modulation is the modulation of the pricing
 }

-func (p PricingStrategy[T]) GetPrice(amountOfData float64, bookingTimeDuration float64, start time.Time, end *time.Time) (float64, error) {
+func (p PricingStrategy[T]) GetPriceHT(amountOfData float64, bookingTimeDuration float64, start time.Time, end *time.Time, variations []*PricingVariation) (float64, error) {
 	if p.BuyingStrategy == SUBSCRIPTION {
-		return BookingEstimation(p.GetTimePricingStrategy(), p.Price*float64(amountOfData), bookingTimeDuration, start, end)
-	} else if p.BuyingStrategy == PERMANENT {
+		price, err := BookingEstimation(p.GetTimePricingStrategy(), p.Price*float64(amountOfData), bookingTimeDuration, start, end)
+		if err != nil {
+			return 0, err
+		}
+		if variations != nil {
+			for _, v := range variations {
+				price = v.GetPriceHT(price)
+			}
+			return price, nil
+		}
+
 		return p.Price, nil
+
+	} else if p.BuyingStrategy == PERMANENT {
+		if variations != nil {
+			price := p.Price
+			for _, v := range variations {
+				price = v.GetPriceHT(price)
+			}
+			return price, nil
+		}
+		return p.Price, nil
+	}
+	if variations != nil {
+		price := p.Price
+		for _, v := range variations {
+			price = v.GetPriceHT(price)
+		}
+		return price, nil
 	}
 	return p.Price * float64(amountOfData), nil
 }
@@ -183,3 +209,18 @@ func (p PricingStrategy[T]) GetTimePricingStrategy() TimePricingStrategy {
 func (p PricingStrategy[T]) GetOverrideStrategy() T {
 	return p.OverrideStrategy
 }
+
+type PricingVariation struct {
+	Inflate    bool    `json:"inflate" bson:"price"`   // Price is the Price of the pricing
+	Percentage float64 `json:"percent" bson:"percent"` // Currency is the currency of the pricing        // Modulation is the modulation of the pricing
+	Priority   int     `json:"priority" bson:"priority"`
+}
+
+func (pv *PricingVariation) GetPriceHT(priceHT float64) float64 {
+	value := (priceHT * pv.Percentage) / 100
+	if pv.Inflate {
+		return priceHT + value
+	} else {
+		return priceHT - value
+	}
+}
--- a/models/common/pricing/tests/pricing_test.go
+++ b/models/common/pricing/tests/pricing_test.go
@@ -100,7 +100,7 @@ func TestPricingStrategy_Getters(t *testing.T) {
 	assert.Equal(t, DummyStrategy(1), ps.GetOverrideStrategy())
 }

-func TestPricingStrategy_GetPrice(t *testing.T) {
+func TestPricingStrategy_GetPriceHT(t *testing.T) {
 	start := time.Now()
 	end := start.Add(1 * time.Hour)

@@ -111,19 +111,19 @@ func TestPricingStrategy_GetPrice(t *testing.T) {
 		TimePricingStrategy: pricing.PER_HOUR,
 	}

-	p, err := ps.GetPrice(2, 3600, start, &end)
+	p, err := ps.GetPriceHT(2, 3600, start, &end, nil)
 	assert.NoError(t, err)
 	assert.True(t, p > 0)

 	// UNLIMITED case
 	ps.BuyingStrategy = pricing.PERMANENT
-	p, err = ps.GetPrice(10, 0, start, &end)
+	p, err = ps.GetPriceHT(10, 0, start, &end, nil)
 	assert.NoError(t, err)
 	assert.Equal(t, 5.0, p)

 	// PAY_PER_USE case
 	//ps.BuyingStrategy = pricing.PAY_PER_USE
-	p, err = ps.GetPrice(3, 0, start, &end)
+	p, err = ps.GetPriceHT(3, 0, start, &end, nil)
 	assert.NoError(t, err)
 	assert.Equal(t, 15.0, p)
 }
--- a/models/models.go
+++ b/models/models.go
@@ -29,6 +29,7 @@ var ModelsCatalog = map[string]func() utils.DBObject{
 	tools.COMPUTE_RESOURCE.String():    func() utils.DBObject { return &resource.ComputeResource{} },
 	tools.STORAGE_RESOURCE.String():    func() utils.DBObject { return &resource.StorageResource{} },
 	tools.PROCESSING_RESOURCE.String(): func() utils.DBObject { return &resource.ProcessingResource{} },
+	tools.NATIVE_TOOL.String():         func() utils.DBObject { return &resource.NativeTool{} },
 	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{} },
--- a/models/peer/peer.go
+++ b/models/peer/peer.go
@@ -26,6 +26,24 @@ func (m PeerState) EnumIndex() int {
 	return int(m)
 }

+func GetSelf() (utils.ShallowDBObject, string) {
+	d, code, err := NewAccessor(nil).Search(nil, SELF.String(), false)
+	if code != 200 || err != nil || len(d) == 0 {
+		return nil, ""
+	}
+	id := d[0].GetID()
+	return d[0], id
+}
+
+func IsMySelf(peerID string) (bool, string) {
+	d, code, err := NewAccessor(nil).Search(nil, SELF.String(), false)
+	if code != 200 || err != nil || len(d) == 0 {
+		return false, ""
+	}
+	id := d[0].GetID()
+	return peerID == id, id
+}
+
 // Peer is a struct that represents a peer
 type Peer struct {
 	utils.AbstractObject
@@ -37,7 +55,7 @@ type Peer struct {
 	FailedExecution []PeerExecution `json:"failed_execution" bson:"failed_execution"` // FailedExecution is the list of failed executions, to be retried
 }

-func (ao *Peer) VerifyAuth(request *tools.APIRequest) bool {
+func (ao *Peer) VerifyAuth(callName string, request *tools.APIRequest) bool {
 	return true
 }

--- a/models/resources/compute.go
+++ b/models/resources/compute.go
@@ -31,15 +31,18 @@ func (r *ComputeResource) GetType() string {
 	return tools.COMPUTE_RESOURCE.String()
 }

-func (abs *ComputeResource) ConvertToPricedResource(t tools.DataType, request *tools.APIRequest) pricing.PricedItemITF {
+func (abs *ComputeResource) ConvertToPricedResource(t tools.DataType, selectedInstance *int, selectedPartnership *int, selectedBuyingStrategy *int, selectedStrategy *int, selectedBookingModeIndex *int, request *tools.APIRequest) (pricing.PricedItemITF, error) {
 	if t != tools.COMPUTE_RESOURCE {
-		return nil
+		return nil, errors.New("not the proper type expected : cannot convert to priced resource : have " + t.String() + " wait Compute")
+	}
+	p, err := abs.AbstractInstanciatedResource.ConvertToPricedResource(t, selectedInstance, selectedPartnership, selectedBuyingStrategy, selectedStrategy, selectedBookingModeIndex, request)
+	if err != nil {
+		return nil, err
 	}
-	p := abs.AbstractInstanciatedResource.ConvertToPricedResource(t, request)
 	priced := p.(*PricedResource)
 	return &PricedComputeResource{
 		PricedResource: *priced,
-	}
+	}, nil
 }

 type ComputeNode struct {
@@ -68,32 +71,6 @@ func NewComputeResourceInstance(name string, peerID string) ResourceInstanceITF
 				UUID: uuid.New().String(),
 				Name: name,
 			},
-			Partnerships: []*ComputeResourcePartnership{
-				{
-					ResourcePartnerShip: ResourcePartnerShip[*ComputeResourcePricingProfile]{
-						Namespace: "default",
-						PeerGroups: map[string][]string{
-							peerID: {"*"},
-						},
-						PricingProfiles: map[int]map[int]*ComputeResourcePricingProfile{
-							0: {
-								0: &ComputeResourcePricingProfile{
-									ExploitPricingProfile: pricing.ExploitPricingProfile[pricing.TimePricingStrategy]{
-										AccessPricingProfile: pricing.AccessPricingProfile[pricing.TimePricingStrategy]{
-											Pricing: pricing.PricingStrategy[pricing.TimePricingStrategy]{
-												Price:               0,
-												Currency:            "EUR",
-												TimePricingStrategy: pricing.ONCE,
-												BuyingStrategy:      pricing.PERMANENT,
-											},
-										},
-									},
-								},
-							},
-						},
-					},
-				},
-			},
 		},
 	}
 }
@@ -138,7 +115,7 @@ func (p *ComputeResourcePricingProfile) GetOverrideStrategyValue() int {

 // NOT A PROPER QUANTITY
 // amountOfData is the number of CPUs, GPUs or RAM dependings on the params
-func (p *ComputeResourcePricingProfile) GetPrice(amountOfData float64, explicitDuration float64, start time.Time, end time.Time, params ...string) (float64, error) {
+func (p *ComputeResourcePricingProfile) GetPriceHT(amountOfData float64, explicitDuration float64, start time.Time, end time.Time, variation []*pricing.PricingVariation, params ...string) (float64, error) {
 	if len(params) < 1 {
 		return 0, errors.New("params must be set")
 	}
@@ -148,7 +125,7 @@ func (p *ComputeResourcePricingProfile) GetPrice(amountOfData float64, explicitD
 		if _, ok := p.CPUsPrices[model]; ok {
 			p.Pricing.Price = p.CPUsPrices[model]
 		}
-		r, err := p.Pricing.GetPrice(amountOfData, explicitDuration, start, &end)
+		r, err := p.Pricing.GetPriceHT(amountOfData, explicitDuration, start, &end, variation)
 		if err != nil {
 			return 0, err
 		}
@@ -159,7 +136,7 @@ func (p *ComputeResourcePricingProfile) GetPrice(amountOfData float64, explicitD
 		if _, ok := p.GPUsPrices[model]; ok {
 			p.Pricing.Price = p.GPUsPrices[model]
 		}
-		r, err := p.Pricing.GetPrice(amountOfData, explicitDuration, start, &end)
+		r, err := p.Pricing.GetPriceHT(amountOfData, explicitDuration, start, &end, variation)
 		if err != nil {
 			return 0, err
 		}
@@ -169,7 +146,7 @@ func (p *ComputeResourcePricingProfile) GetPrice(amountOfData float64, explicitD
 		if p.RAMPrice >= 0 {
 			p.Pricing.Price = p.RAMPrice
 		}
-		r, err := p.Pricing.GetPrice(float64(amountOfData), explicitDuration, start, &end)
+		r, err := p.Pricing.GetPriceHT(float64(amountOfData), explicitDuration, start, &end, variation)
 		if err != nil {
 			return 0, err
 		}
@@ -190,14 +167,17 @@ func (r *PricedComputeResource) GetType() tools.DataType {
 	return tools.COMPUTE_RESOURCE
 }

-func (r *PricedComputeResource) GetPrice() (float64, error) {
-	now := time.Now()
-	if r.UsageStart == nil {
-		r.UsageStart = &now
+func (r *PricedComputeResource) GetPriceHT() (float64, error) {
+	if r.BookingConfiguration == nil {
+		r.BookingConfiguration = &BookingConfiguration{}
 	}
-	if r.UsageEnd == nil {
-		add := r.UsageStart.Add(time.Duration(1 * time.Hour))
-		r.UsageEnd = &add
+	now := time.Now()
+	if r.BookingConfiguration.UsageStart == nil {
+		r.BookingConfiguration.UsageStart = &now
+	}
+	if r.BookingConfiguration.UsageEnd == nil {
+		add := r.BookingConfiguration.UsageStart.Add(time.Duration(1 * time.Hour))
+		r.BookingConfiguration.UsageEnd = &add
 	}
 	if r.SelectedPricing == nil {
 		return 0, errors.New("pricing profile must be set on Priced Compute" + r.ResourceID)
@@ -206,14 +186,17 @@ func (r *PricedComputeResource) GetPrice() (float64, error) {
 	price := float64(0)
 	for _, l := range []map[string]float64{r.CPUsLocated, r.GPUsLocated} {
 		for model, amountOfData := range l {
-			cpus, err := pricing.GetPrice(float64(amountOfData), r.ExplicitBookingDurationS, *r.UsageStart, *r.UsageEnd, "cpus", model)
+			cpus, err := pricing.GetPriceHT(float64(amountOfData),
+				r.BookingConfiguration.ExplicitBookingDurationS, *r.BookingConfiguration.UsageStart,
+				*r.BookingConfiguration.UsageEnd, r.Variations, "cpus", model)
 			if err != nil {
 				return 0, err
 			}
 			price += cpus
 		}
 	}
-	ram, err := pricing.GetPrice(r.RAMLocated, r.ExplicitBookingDurationS, *r.UsageStart, *r.UsageEnd, "ram")
+	ram, err := pricing.GetPriceHT(r.RAMLocated, r.BookingConfiguration.ExplicitBookingDurationS,
+		*r.BookingConfiguration.UsageStart, *r.BookingConfiguration.UsageEnd, r.Variations, "ram")
 	if err != nil {
 		return 0, err
 	}
--- a/models/resources/data.go
+++ b/models/resources/data.go
@@ -38,15 +38,18 @@ func (r *DataResource) GetType() string {
 	return tools.DATA_RESOURCE.String()
 }

-func (abs *DataResource) ConvertToPricedResource(t tools.DataType, request *tools.APIRequest) pricing.PricedItemITF {
+func (abs *DataResource) ConvertToPricedResource(t tools.DataType, selectedInstance *int, selectedPartnership *int, selectedBuyingStrategy *int, selectedStrategy *int, selectedBookingModeIndex *int, request *tools.APIRequest) (pricing.PricedItemITF, error) {
 	if t != tools.DATA_RESOURCE {
-		return nil
+		return nil, errors.New("not the proper type expected : cannot convert to priced resource : have " + t.String() + " wait Data")
+	}
+	p, err := abs.AbstractInstanciatedResource.ConvertToPricedResource(t, selectedInstance, selectedPartnership, selectedBuyingStrategy, selectedStrategy, selectedBookingModeIndex, request)
+	if err != nil {
+		return nil, err
 	}
-	p := abs.AbstractInstanciatedResource.ConvertToPricedResource(t, request)
 	priced := p.(*PricedResource)
 	return &PricedDataResource{
 		PricedResource: *priced,
-	}
+	}, nil
 }

 type DataInstance struct {
@@ -61,30 +64,6 @@ func NewDataInstance(name string, peerID string) ResourceInstanceITF {
 				UUID: uuid.New().String(),
 				Name: name,
 			},
-			Partnerships: []*DataResourcePartnership{
-				{
-					ResourcePartnerShip: ResourcePartnerShip[*DataResourcePricingProfile]{
-						Namespace: "default",
-						PeerGroups: map[string][]string{
-							peerID: {"*"},
-						},
-						PricingProfiles: map[int]map[int]*DataResourcePricingProfile{
-							0: {
-								0: &DataResourcePricingProfile{
-									AccessPricingProfile: pricing.AccessPricingProfile[DataResourcePricingStrategy]{
-										Pricing: pricing.PricingStrategy[DataResourcePricingStrategy]{
-											Price:               0,
-											Currency:            "EUR",
-											TimePricingStrategy: pricing.ONCE,
-											BuyingStrategy:      pricing.PERMANENT,
-										},
-									},
-								},
-							},
-						},
-					},
-				},
-			},
 		},
 	}
 }
@@ -172,14 +151,6 @@ func (p *DataResourcePricingProfile) GetOverrideStrategyValue() int {
 	return p.Pricing.OverrideStrategy.GetStrategyValue()
 }

-func (p *DataResourcePricingProfile) GetPrice(amountOfData float64, explicitDuration float64, start time.Time, end time.Time, params ...string) (float64, error) {
-	return p.Pricing.GetPrice(amountOfData, explicitDuration, start, &end)
-}
-
-func (p *DataResourcePricingProfile) GetPurchase() pricing.BuyingStrategy {
-	return p.Pricing.BuyingStrategy
-}
-
 func (p *DataResourcePricingProfile) IsPurchasable() bool {
 	return p.Pricing.BuyingStrategy != pricing.UNDEFINED_SUBSCRIPTION
 }
@@ -198,15 +169,18 @@ func (r *PricedDataResource) GetType() tools.DataType {
 	return tools.DATA_RESOURCE
 }

-func (r *PricedDataResource) GetPrice() (float64, error) {
-	fmt.Println("GetPrice", r.UsageStart, r.UsageEnd)
-	now := time.Now()
-	if r.UsageStart == nil {
-		r.UsageStart = &now
+func (r *PricedDataResource) GetPriceHT() (float64, error) {
+	if r.BookingConfiguration == nil {
+		r.BookingConfiguration = &BookingConfiguration{}
 	}
-	if r.UsageEnd == nil {
-		add := r.UsageStart.Add(time.Duration(1 * time.Hour))
-		r.UsageEnd = &add
+	fmt.Println("GetPriceHT", r.BookingConfiguration.UsageStart, r.BookingConfiguration.UsageEnd)
+	now := time.Now()
+	if r.BookingConfiguration.UsageStart == nil {
+		r.BookingConfiguration.UsageStart = &now
+	}
+	if r.BookingConfiguration.UsageEnd == nil {
+		add := r.BookingConfiguration.UsageStart.Add(time.Duration(1 * time.Hour))
+		r.BookingConfiguration.UsageEnd = &add
 	}
 	if r.SelectedPricing == nil {
 		return 0, errors.New("pricing profile must be set on Priced Data" + r.ResourceID)
@@ -220,5 +194,7 @@ func (r *PricedDataResource) GetPrice() (float64, error) {
 			return 0, err
 		}
 	}
-	return pricing.GetPrice(amountOfData, r.ExplicitBookingDurationS, *r.UsageStart, *r.UsageEnd)
+
+	return pricing.GetPriceHT(amountOfData, r.BookingConfiguration.ExplicitBookingDurationS,
+		*r.BookingConfiguration.UsageStart, *r.BookingConfiguration.UsageEnd, r.Variations)
 }
--- a/models/resources/interfaces.go
+++ b/models/resources/interfaces.go
@@ -1,6 +1,7 @@
 package resources

 import (
+	"cloud.o-forge.io/core/oc-lib/models/booking"
 	"cloud.o-forge.io/core/oc-lib/models/common/pricing"
 	"cloud.o-forge.io/core/oc-lib/models/utils"
 	"cloud.o-forge.io/core/oc-lib/tools"
@@ -9,9 +10,10 @@ import (
 type ResourceInterface interface {
 	utils.DBObject
 	Trim()
-	ConvertToPricedResource(t tools.DataType, request *tools.APIRequest) pricing.PricedItemITF
+	GetBookingModes() map[booking.BookingMode]*pricing.PricingVariation
+	ConvertToPricedResource(t tools.DataType, a *int, selectedPartnership *int, selectedBuyingStrategy *int, selectedStrategy *int, b *int, request *tools.APIRequest) (pricing.PricedItemITF, error)
 	GetType() string
-	GetSelectedInstance() ResourceInstanceITF
+	GetSelectedInstance(selected *int) ResourceInstanceITF
 	ClearEnv() utils.DBObject
 	SetAllowedInstances(request *tools.APIRequest)
 	AddInstances(instance ResourceInstanceITF)
@@ -23,17 +25,15 @@ type ResourceInstanceITF interface {
 	GetName() string
 	StoreDraftDefault()
 	ClearEnv()
-	GetProfile() pricing.PricingProfileITF
+	GetProfile(peerID string, partnershipIndex *int, buying *int, strategy *int) pricing.PricingProfileITF
 	GetPricingsProfiles(peerID string, groups []string) []pricing.PricingProfileITF
 	GetPeerGroups() ([]ResourcePartnerITF, []map[string][]string)
 	ClearPeerGroups()
-	GetSelectedPartnership(peerID string, groups []string) ResourcePartnerITF
-	GetPartnerships(peerID string, groups []string) []ResourcePartnerITF
 }

 type ResourcePartnerITF interface {
 	GetPricingsProfiles(peerID string, groups []string) []pricing.PricingProfileITF
 	GetPeerGroups() map[string][]string
 	ClearPeerGroups()
-	GetProfile(buying int, strategy int) pricing.PricingProfileITF
+	GetProfile(buying *int, strategy *int) pricing.PricingProfileITF
 }
--- a/models/resources/models.go
+++ b/models/resources/models.go
@@ -11,12 +11,14 @@ type ResourceSet struct {
 	Processings []string `bson:"processings,omitempty" json:"processings,omitempty"`
 	Computes    []string `bson:"computes,omitempty" json:"computes,omitempty"`
 	Workflows   []string `bson:"workflows,omitempty" json:"workflows,omitempty"`
+	NativeTool  []string `bson:"native,omitempty" json:"native,omitempty"`

 	DataResources       []*DataResource       `bson:"-" json:"data_resources,omitempty"`
 	StorageResources    []*StorageResource    `bson:"-" json:"storage_resources,omitempty"`
 	ProcessingResources []*ProcessingResource `bson:"-" json:"processing_resources,omitempty"`
 	ComputeResources    []*ComputeResource    `bson:"-" json:"compute_resources,omitempty"`
 	WorkflowResources   []*WorkflowResource   `bson:"-" json:"workflow_resources,omitempty"`
+	NativeTools         []*NativeTool         `bson:"-" json:"native_tools,omitempty"`
 }

 func (r *ResourceSet) Clear() {
@@ -62,4 +64,5 @@ type ItemResource struct {
 	Storage    *StorageResource    `bson:"storage,omitempty" json:"storage,omitempty"`
 	Compute    *ComputeResource    `bson:"compute,omitempty" json:"compute,omitempty"`
 	Workflow   *WorkflowResource   `bson:"workflow,omitempty" json:"workflow,omitempty"`
+	NativeTool *NativeTool         `bson:"native_tools,omitempty" json:"native_tools,omitempty"`
 }
--- a/models/resources/native_tools.go
+++ b/models/resources/native_tools.go
@@ -0,0 +1,73 @@
+package resources
+
+import (
+	"encoding/json"
+
+	"cloud.o-forge.io/core/oc-lib/models/common/pricing"
+	"cloud.o-forge.io/core/oc-lib/models/resources/native_tools"
+	"cloud.o-forge.io/core/oc-lib/models/utils"
+	"cloud.o-forge.io/core/oc-lib/tools"
+)
+
+/*
+* NativeT ools is a struct that represents Native Functionnality of OPENCLOUD
+ */
+type NativeTool struct {
+	AbstractResource
+	Kind   int `json:"kind" bson:"kind" validate:"required"`
+	Params map[string]interface{}
+}
+
+func (d *NativeTool) SetName(name string) {
+	d.Name = name
+}
+
+func (d *NativeTool) GetAccessor(request *tools.APIRequest) utils.Accessor {
+	return NewAccessor[*NativeTool](tools.NATIVE_TOOL, request, func() utils.DBObject { return &NativeTool{} })
+}
+
+func (r *NativeTool) AddInstances(instance ResourceInstanceITF) {
+}
+
+func (r *NativeTool) GetType() string {
+	return tools.NATIVE_TOOL.String()
+}
+
+func (d *NativeTool) ClearEnv() utils.DBObject {
+	return d
+}
+
+func (d *NativeTool) Trim() {
+	/* EMPTY */
+}
+func (w *NativeTool) SetAllowedInstances(request *tools.APIRequest) {
+	/* EMPTY */
+}
+
+func (w *NativeTool) ConvertToPricedResource(t tools.DataType, selectedInstance *int, selectedPartnership *int, selectedBuyingStrategy *int, selectedStrategy *int, selectedBookingModeIndex *int, request *tools.APIRequest) (pricing.PricedItemITF, error) {
+	return &PricedResource{
+		Name:         w.Name,
+		Logo:         w.Logo,
+		ResourceID:   w.UUID,
+		ResourceType: t,
+		Quantity:     1,
+		CreatorID:    w.CreatorID,
+	}, nil
+}
+
+func InitNative() {
+	for _, kind := range []native_tools.NativeToolsEnum{native_tools.WORKFLOW_EVENT} {
+		newNative := &NativeTool{}
+		access := newNative.GetAccessor(&tools.APIRequest{Admin: true})
+		l, _, err := access.Search(nil, kind.String(), false)
+		if err != nil || len(l) == 0 {
+			newNative.Name = kind.String()
+			newNative.Kind = int(kind)
+			b, _ := json.Marshal(kind.Params())
+			var m map[string]interface{}
+			json.Unmarshal(b, &m)
+			newNative.Params = m
+			access.StoreOne(newNative)
+		}
+	}
+}
--- a/models/resources/native_tools/enums.go
+++ b/models/resources/native_tools/enums.go
@@ -0,0 +1,23 @@
+package native_tools
+
+type NativeToolsEnum int
+
+const (
+	WORKFLOW_EVENT NativeToolsEnum = iota
+)
+
+var Params = [...]interface{}{
+	WorkflowEventParams{},
+}
+
+var Str = [...]string{
+	"WORKFLOW_EVENT",
+}
+
+func (d NativeToolsEnum) Params() interface{} {
+	return Str[d]
+}
+
+func (d NativeToolsEnum) String() string {
+	return Str[d]
+}
--- a/models/resources/native_tools/workflow_event.go
+++ b/models/resources/native_tools/workflow_event.go
@@ -0,0 +1,19 @@
+package native_tools
+
+import (
+	"cloud.o-forge.io/core/oc-lib/models/booking"
+	"cloud.o-forge.io/core/oc-lib/models/common/pricing"
+)
+
+/*
+* Workflow Event is a struct that represents a native functiunality.
+ */
+
+type WorkflowEventParams struct {
+	WorkflowResourceID string               `json:"workflow_execution_id" bson:"workflow_execution_id" validate:"required"`
+	BookingMode        *booking.BookingMode `json:"booking_mode" bson:"booking_mode"`
+}
+
+func (wep *WorkflowEventParams) GetBuyingStrategy() pricing.BillingStrategy {
+	return pricing.BILL_ONCE
+}
--- a/models/resources/priced_resource.go
+++ b/models/resources/priced_resource.go
@@ -5,21 +5,37 @@ import (
 	"fmt"
 	"time"

+	"cloud.o-forge.io/core/oc-lib/models/booking"
 	"cloud.o-forge.io/core/oc-lib/models/common/pricing"
 	"cloud.o-forge.io/core/oc-lib/tools"
 )

+type BookingConfiguration struct {
+	ExplicitBookingDurationS float64             `json:"explicit_location_duration_s,omitempty" bson:"explicit_location_duration_s,omitempty"`
+	UsageStart               *time.Time          `json:"start,omitempty" bson:"start,omitempty"`
+	UsageEnd                 *time.Time          `json:"end,omitempty" bson:"end,omitempty"`
+	Mode                     booking.BookingMode `json:"mode,omitempty" bson:"mode,omitempty"`
+}
+
 type PricedResource struct {
-	Name                     string                    `json:"name,omitempty" bson:"name,omitempty"`
-	Logo                     string                    `json:"logo,omitempty" bson:"logo,omitempty"`
-	InstancesRefs            map[string]string         `json:"instances_refs,omitempty" bson:"instances_refs,omitempty"`
-	SelectedPricing          pricing.PricingProfileITF `json:"selected_pricing,omitempty" bson:"selected_pricing,omitempty"`
-	ExplicitBookingDurationS float64                   `json:"explicit_location_duration_s,omitempty" bson:"explicit_location_duration_s,omitempty"`
-	UsageStart               *time.Time                `json:"start,omitempty" bson:"start,omitempty"`
-	UsageEnd                 *time.Time                `json:"end,omitempty" bson:"end,omitempty"`
-	CreatorID                string                    `json:"peer_id,omitempty" bson:"peer_id,omitempty"`
-	ResourceID               string                    `json:"resource_id,omitempty" bson:"resource_id,omitempty"`
-	ResourceType             tools.DataType            `json:"resource_type,omitempty" bson:"resource_type,omitempty"`
+	Name                 string                      `json:"name,omitempty" bson:"name,omitempty"`
+	Logo                 string                      `json:"logo,omitempty" bson:"logo,omitempty"`
+	InstancesRefs        map[string]string           `json:"instances_refs,omitempty" bson:"instances_refs,omitempty"`
+	SelectedPricing      pricing.PricingProfileITF   `json:"selected_pricing,omitempty" bson:"selected_pricing,omitempty"`
+	Quantity             int                         `json:"quantity,omitempty" bson:"quantity,omitempty"`
+	BookingConfiguration *BookingConfiguration       `json:"booking_configuration,omitempty" bson:"booking_configuration,omitempty"`
+	Variations           []*pricing.PricingVariation `json:"pricing_variations" bson:"pricing_variations"`
+	CreatorID            string                      `json:"peer_id,omitempty" bson:"peer_id,omitempty"`
+	ResourceID           string                      `json:"resource_id,omitempty" bson:"resource_id,omitempty"`
+	ResourceType         tools.DataType              `json:"resource_type,omitempty" bson:"resource_type,omitempty"`
+}
+
+func (abs *PricedResource) GetQuantity() int {
+	return abs.Quantity
+}
+
+func (abs *PricedResource) AddQuantity(amount int) {
+	abs.Quantity += amount
 }

 func (abs *PricedResource) SelectPricing() pricing.PricingProfileITF {
@@ -46,7 +62,7 @@ func (abs *PricedResource) IsPurchasable() bool {
 }

 func (abs *PricedResource) IsBooked() bool {
-	return true		// For dev purposes, prevent that DB objects that don't have a Pricing are considered as not booked
+	return true // For dev purposes, prevent that DB objects that don't have a Pricing are considered as not booked
 	if abs.SelectedPricing == nil {
 		return false
 	}
@@ -54,48 +70,73 @@ func (abs *PricedResource) IsBooked() bool {
 }

 func (abs *PricedResource) GetLocationEnd() *time.Time {
-	return abs.UsageEnd
+	if abs.BookingConfiguration == nil {
+		return nil
+	}
+	return abs.BookingConfiguration.UsageEnd
 }

 func (abs *PricedResource) GetLocationStart() *time.Time {
-	return abs.UsageStart
+	if abs.BookingConfiguration == nil {
+		return nil
+	}
+	return abs.BookingConfiguration.UsageStart
 }

 func (abs *PricedResource) SetLocationStart(start time.Time) {
-	abs.UsageStart = &start
+	if abs.BookingConfiguration == nil {
+		abs.BookingConfiguration = &BookingConfiguration{}
+	}
+	abs.BookingConfiguration.UsageStart = &start
 }

 func (abs *PricedResource) SetLocationEnd(end time.Time) {
-	abs.UsageEnd = &end
+	if abs.BookingConfiguration == nil {
+		abs.BookingConfiguration = &BookingConfiguration{}
+	}
+	abs.BookingConfiguration.UsageEnd = &end
+}
+
+func (abs *PricedResource) GetBookingMode() booking.BookingMode {
+	if abs.BookingConfiguration == nil {
+		return booking.WHEN_POSSIBLE
+	}
+	return abs.BookingConfiguration.Mode
 }

 func (abs *PricedResource) GetExplicitDurationInS() float64 {
-	if abs.ExplicitBookingDurationS == 0 {
-		if abs.UsageEnd == nil && abs.UsageStart == nil {
+	if abs.BookingConfiguration == nil {
+		abs.BookingConfiguration = &BookingConfiguration{}
+	}
+	if abs.BookingConfiguration.ExplicitBookingDurationS == 0 {
+		if abs.BookingConfiguration.UsageEnd == nil && abs.BookingConfiguration.UsageStart == nil {
 			return time.Duration(1 * time.Hour).Seconds()
 		}
-		if abs.UsageEnd == nil {
-			add := abs.UsageStart.Add(time.Duration(1 * time.Hour))
-			abs.UsageEnd = &add
+		if abs.BookingConfiguration.UsageEnd == nil {
+			add := abs.BookingConfiguration.UsageStart.Add(time.Duration(1 * time.Hour))
+			abs.BookingConfiguration.UsageEnd = &add
 		}
-		return abs.UsageEnd.Sub(*abs.UsageStart).Seconds()
+		return abs.BookingConfiguration.UsageEnd.Sub(*abs.BookingConfiguration.UsageStart).Seconds()
 	}
-	return abs.ExplicitBookingDurationS
+	return abs.BookingConfiguration.ExplicitBookingDurationS
 }

-func (r *PricedResource) GetPrice() (float64, error) {
-	fmt.Println("GetPrice", r.UsageStart, r.UsageEnd)
+func (r *PricedResource) GetPriceHT() (float64, error) {
 	now := time.Now()
-	if r.UsageStart == nil {
-		r.UsageStart = &now
+	if r.BookingConfiguration == nil {
+		r.BookingConfiguration = &BookingConfiguration{}
 	}
-	if r.UsageEnd == nil {
-		add := r.UsageStart.Add(time.Duration(1 * time.Hour))
-		r.UsageEnd = &add
+	fmt.Println("GetPriceHT", r.BookingConfiguration.UsageStart, r.BookingConfiguration.UsageEnd)
+	if r.BookingConfiguration.UsageStart == nil {
+		r.BookingConfiguration.UsageStart = &now
+	}
+	if r.BookingConfiguration.UsageEnd == nil {
+		add := r.BookingConfiguration.UsageStart.Add(time.Duration(1 * time.Hour))
+		r.BookingConfiguration.UsageEnd = &add
 	}
 	if r.SelectedPricing == nil {
 		return 0, errors.New("pricing profile must be set on Priced Resource " + r.ResourceID)
 	}
 	pricing := r.SelectedPricing
-	return pricing.GetPrice(1, 0, *r.UsageStart, *r.UsageEnd)
+	return pricing.GetPriceHT(1, 0, *r.BookingConfiguration.UsageStart, *r.BookingConfiguration.UsageEnd, r.Variations)
 }
--- a/models/resources/processing.go
+++ b/models/resources/processing.go
@@ -56,28 +56,6 @@ func NewProcessingInstance(name string, peerID string) ResourceInstanceITF {
 				UUID: uuid.New().String(),
 				Name: name,
 			},
-			Partnerships: []*ResourcePartnerShip[*ProcessingResourcePricingProfile]{
-				{
-					Namespace: "default",
-					PeerGroups: map[string][]string{
-						peerID: {"*"},
-					},
-					PricingProfiles: map[int]map[int]*ProcessingResourcePricingProfile{
-						0: {
-							0: &ProcessingResourcePricingProfile{
-								AccessPricingProfile: pricing.AccessPricingProfile[pricing.TimePricingStrategy]{
-									Pricing: pricing.PricingStrategy[pricing.TimePricingStrategy]{
-										Price:               0,
-										Currency:            "EUR",
-										TimePricingStrategy: pricing.ONCE,
-										BuyingStrategy:      pricing.PERMANENT,
-									},
-								},
-							},
-						},
-					},
-				},
-			},
 		},
 	}
 }
@@ -92,16 +70,19 @@ func (r *PricedProcessingResource) GetType() tools.DataType {
 }

 func (a *PricedProcessingResource) GetExplicitDurationInS() float64 {
-	if a.ExplicitBookingDurationS == 0 {
-		if a.IsService || a.UsageStart == nil {
+	if a.BookingConfiguration == nil {
+		a.BookingConfiguration = &BookingConfiguration{}
+	}
+	if a.BookingConfiguration.ExplicitBookingDurationS == 0 {
+		if a.IsService || a.BookingConfiguration.UsageStart == nil {
 			if a.IsService {
 				return -1
 			}
 			return time.Duration(1 * time.Hour).Seconds()
 		}
-		return a.UsageEnd.Sub(*a.UsageStart).Seconds()
+		return a.BookingConfiguration.UsageEnd.Sub(*a.BookingConfiguration.UsageStart).Seconds()
 	}
-	return a.ExplicitBookingDurationS
+	return a.BookingConfiguration.ExplicitBookingDurationS
 }

 func (d *ProcessingResource) GetAccessor(request *tools.APIRequest) utils.Accessor {
@@ -119,11 +100,3 @@ func (p *ProcessingResourcePricingProfile) IsPurchasable() bool {
 func (p *ProcessingResourcePricingProfile) IsBooked() bool {
 	return p.Pricing.BuyingStrategy != pricing.PERMANENT
 }
-
-func (p *ProcessingResourcePricingProfile) GetPurchase() pricing.BuyingStrategy {
-	return p.Pricing.BuyingStrategy
-}
-
-func (p *ProcessingResourcePricingProfile) GetPrice(amountOfData float64, val float64, start time.Time, end time.Time, params ...string) (float64, error) {
-	return p.Pricing.GetPrice(amountOfData, val, start, &end)
-}
--- a/models/resources/resource.go
+++ b/models/resources/resource.go
@@ -1,9 +1,11 @@
 package resources

 import (
+	"errors"
 	"slices"

 	"cloud.o-forge.io/core/oc-lib/config"
+	"cloud.o-forge.io/core/oc-lib/models/booking"
 	"cloud.o-forge.io/core/oc-lib/models/common/models"
 	"cloud.o-forge.io/core/oc-lib/models/common/pricing"
 	"cloud.o-forge.io/core/oc-lib/models/peer"
@@ -15,17 +17,30 @@ import (

 // AbstractResource is the struct containing all of the attributes commons to all ressources
 type AbstractResource struct {
-	utils.AbstractObject                // AbstractObject contains the basic fields of an object (id, name)
-	Type                  string        `json:"type,omitempty" bson:"type,omitempty"`                                               // Type is the type of the resource
-	Logo                  string        `json:"logo,omitempty" bson:"logo,omitempty" validate:"required"`                           // Logo is the logo of the resource
-	Description           string        `json:"description,omitempty" bson:"description,omitempty"`                                 // Description is the description of the resource
-	ShortDescription      string        `json:"short_description,omitempty" bson:"short_description,omitempty" validate:"required"` // ShortDescription is the short description of the resource
-	Owners                []utils.Owner `json:"owners,omitempty" bson:"owners,omitempty"`                                           // Owners is the list of owners of the resource
-	UsageRestrictions     string        `bson:"usage_restrictions,omitempty" json:"usage_restrictions,omitempty"`
-	SelectedInstanceIndex *int          `json:"selected_instance_index,omitempty" bson:"selected_instance_index,omitempty"` // SelectedInstance is the selected instance
+	utils.AbstractObject                                                   // AbstractObject contains the basic fields of an object (id, name)
+	Type                 string                                            `json:"type,omitempty" bson:"type,omitempty"`                                               // Type is the type of the resource
+	Logo                 string                                            `json:"logo,omitempty" bson:"logo,omitempty" validate:"required"`                           // Logo is the logo of the resource
+	Description          string                                            `json:"description,omitempty" bson:"description,omitempty"`                                 // Description is the description of the resource
+	ShortDescription     string                                            `json:"short_description,omitempty" bson:"short_description,omitempty" validate:"required"` // ShortDescription is the short description of the resource
+	Owners               []utils.Owner                                     `json:"owners,omitempty" bson:"owners,omitempty"`                                           // Owners is the list of owners of the resource
+	UsageRestrictions    string                                            `bson:"usage_restrictions,omitempty" json:"usage_restrictions,omitempty"`
+	AllowedBookingModes  map[booking.BookingMode]*pricing.PricingVariation `bson:"allowed_booking_modes" json:"allowed_booking_modes"`
 }

-func (r *AbstractResource) GetSelectedInstance() ResourceInstanceITF {
+func (r *AbstractResource) GetBookingModes() map[booking.BookingMode]*pricing.PricingVariation {
+	if len(r.AllowedBookingModes) == 0 {
+		return map[booking.BookingMode]*pricing.PricingVariation{
+			booking.PLANNED: {
+				Percentage: 0,
+			}, booking.WHEN_POSSIBLE: {
+				Percentage: 0,
+			},
+		}
+	}
+	return r.AllowedBookingModes
+}
+
+func (r *AbstractResource) GetSelectedInstance(selected *int) ResourceInstanceITF {
 	return nil
 }

@@ -57,29 +72,43 @@ func (abs *AbstractInstanciatedResource[T]) AddInstances(instance ResourceInstan
 	abs.Instances = append(abs.Instances, instance.(T))
 }

-func (abs *AbstractInstanciatedResource[T]) ConvertToPricedResource(t tools.DataType, request *tools.APIRequest) pricing.PricedItemITF {
+func (abs *AbstractInstanciatedResource[T]) ConvertToPricedResource(t tools.DataType, selectedInstance *int, selectedPartnership *int, selectedBuyingStrategy *int, selectedStrategy *int, selectedBookingModeIndex *int, request *tools.APIRequest) (pricing.PricedItemITF, error) {
 	instances := map[string]string{}
 	profiles := []pricing.PricingProfileITF{}
-	for _, instance := range abs.Instances {
+	for _, instance := range abs.Instances { // TODO why it crush before ?
 		instances[instance.GetID()] = instance.GetName()
 		profiles = instance.GetPricingsProfiles(request.PeerID, request.Groups)
 	}
 	var profile pricing.PricingProfileITF
-	if t := abs.GetSelectedInstance(); t != nil {
-		profile = t.GetProfile()
+	if t := abs.GetSelectedInstance(selectedInstance); t != nil {
+		profile = t.GetProfile(request.PeerID, selectedPartnership, selectedBuyingStrategy, selectedStrategy)
 	}
-	if profile == nil && len(profiles) > 0 {
-		profile = profiles[0]
+	if profile == nil {
+		if len(profiles) > 0 {
+			profile = profiles[0]
+		} else {
+			if ok, _ := peer.IsMySelf(request.PeerID); ok {
+				profile = pricing.GetDefaultPricingProfile()
+			} else {
+				return nil, errors.New("no pricing profile found")
+			}
+		}
+	}
+	variations := []*pricing.PricingVariation{}
+	if selectedBookingModeIndex != nil && abs.AllowedBookingModes[booking.BookingMode(*selectedBookingModeIndex)] != nil {
+		variations = append(variations, abs.AllowedBookingModes[booking.BookingMode(*selectedBookingModeIndex)])
 	}
 	return &PricedResource{
 		Name:            abs.Name,
 		Logo:            abs.Logo,
 		ResourceID:      abs.UUID,
 		ResourceType:    t,
+		Quantity:        1,
 		InstancesRefs:   instances,
 		SelectedPricing: profile,
+		Variations:      variations,
 		CreatorID:       abs.CreatorID,
-	}
+	}, nil
 }

 func (abs *AbstractInstanciatedResource[T]) ClearEnv() utils.DBObject {
@@ -89,9 +118,9 @@ func (abs *AbstractInstanciatedResource[T]) ClearEnv() utils.DBObject {
 	return abs
 }

-func (r *AbstractInstanciatedResource[T]) GetSelectedInstance() ResourceInstanceITF {
-	if r.SelectedInstanceIndex != nil && len(r.Instances) > *r.SelectedInstanceIndex {
-		return r.Instances[*r.SelectedInstanceIndex]
+func (r *AbstractInstanciatedResource[T]) GetSelectedInstance(selected *int) ResourceInstanceITF {
+	if selected != nil && len(r.Instances) > *selected {
+		return r.Instances[*selected]
 	}
 	if len(r.Instances) > 0 {
 		return r.Instances[0]
@@ -115,8 +144,8 @@ func (d *AbstractInstanciatedResource[T]) Trim() {
 	}
 }

-func (abs *AbstractInstanciatedResource[T]) VerifyAuth(request *tools.APIRequest) bool {
-	return len(VerifyAuthAction[T](abs.Instances, request)) > 0 || abs.AbstractObject.VerifyAuth(request)
+func (abs *AbstractInstanciatedResource[T]) VerifyAuth(callName string, request *tools.APIRequest) bool {
+	return len(VerifyAuthAction[T](abs.Instances, request)) > 0 || abs.AbstractObject.VerifyAuth(callName, request)
 }

 func VerifyAuthAction[T ResourceInstanceITF](baseInstance []T, request *tools.APIRequest) []T {
@@ -150,18 +179,22 @@ type GeoPoint struct {

 type ResourceInstance[T ResourcePartnerITF] struct {
 	utils.AbstractObject
-	Location                 GeoPoint              `json:"location,omitempty" bson:"location,omitempty"`
-	Country                  countries.CountryCode `json:"country,omitempty" bson:"country,omitempty"`
-	AccessProtocol           string                `json:"access_protocol,omitempty" bson:"access_protocol,omitempty"`
-	Env                      []models.Param        `json:"env,omitempty" bson:"env,omitempty"`
-	Inputs                   []models.Param        `json:"inputs,omitempty" bson:"inputs,omitempty"`
-	Outputs                  []models.Param        `json:"outputs,omitempty" bson:"outputs,omitempty"`
-	SelectedPartnershipIndex int                   `json:"selected_partnership_index,omitempty" bson:"selected_partnership_index,omitempty"`
-	SelectedBuyingStrategy   int                   `json:"selected_buying_strategy,omitempty" bson:"selected_buying_strategy,omitempty"`
-	SelectedStrategy         int                   `json:"selected_strategy,omitempty" bson:"selected_strategy,omitempty"`
-	Partnerships             []T                   `json:"partnerships,omitempty" bson:"partnerships,omitempty"`
+	Location       GeoPoint              `json:"location,omitempty" bson:"location,omitempty"`
+	Country        countries.CountryCode `json:"country,omitempty" bson:"country,omitempty"`
+	AccessProtocol string                `json:"access_protocol,omitempty" bson:"access_protocol,omitempty"`
+	Env            []models.Param        `json:"env,omitempty" bson:"env,omitempty"`
+	Inputs         []models.Param        `json:"inputs,omitempty" bson:"inputs,omitempty"`
+	Outputs        []models.Param        `json:"outputs,omitempty" bson:"outputs,omitempty"`
+
+	//	SelectedPartnershipIndex int `json:"selected_partnership_index,omitempty" bson:"selected_partnership_index,omitempty"`
+	//	SelectedBuyingStrategy   int `json:"selected_buying_strategy,omitempty" bson:"selected_buying_strategy,omitempty"`
+	//	SelectedStrategy         int `json:"selected_strategy,omitempty" bson:"selected_strategy,omitempty"`
+
+	Partnerships []T `json:"partnerships,omitempty" bson:"partnerships,omitempty"`
 }

+// TODO should kicks all selection
+
 func NewInstance[T ResourcePartnerITF](name string) *ResourceInstance[T] {
 	return &ResourceInstance[T]{
 		AbstractObject: utils.AbstractObject{
@@ -178,40 +211,27 @@ func (ri *ResourceInstance[T]) ClearEnv() {
 	ri.Outputs = []models.Param{}
 }

-func (ri *ResourceInstance[T]) GetProfile() pricing.PricingProfileITF {
-	if len(ri.Partnerships) > ri.SelectedPartnershipIndex {
-		prts := ri.Partnerships[ri.SelectedPartnershipIndex]
-		return prts.GetProfile(ri.SelectedBuyingStrategy, ri.SelectedBuyingStrategy)
+func (ri *ResourceInstance[T]) GetProfile(peerID string, partnershipIndex *int, buyingIndex *int, strategyIndex *int) pricing.PricingProfileITF {
+	if partnershipIndex != nil && len(ri.Partnerships) > *partnershipIndex {
+		prts := ri.Partnerships[*partnershipIndex]
+		return prts.GetProfile(buyingIndex, strategyIndex)
+	}
+	if ok, _ := peer.IsMySelf(peerID); ok {
+		return pricing.GetDefaultPricingProfile()
 	}
 	return nil
 }

-func (ri *ResourceInstance[T]) GetSelectedPartnership(peerID string, groups []string) ResourcePartnerITF {
-	if len(ri.Partnerships) > ri.SelectedPartnershipIndex {
-		return ri.Partnerships[ri.SelectedPartnershipIndex]
-	}
-	return nil
-}
-
-func (ri *ResourceInstance[T]) GetPartnerships(peerID string, groups []string) []ResourcePartnerITF {
-	partners := []ResourcePartnerITF{}
-	for _, p := range ri.Partnerships {
-		if p.GetPeerGroups()[peerID] != nil {
-			for _, g := range p.GetPeerGroups()[peerID] {
-				if slices.Contains(groups, g) {
-					partners = append(partners, p)
-				}
-			}
-		}
-	}
-	return partners
-}
-
 func (ri *ResourceInstance[T]) GetPricingsProfiles(peerID string, groups []string) []pricing.PricingProfileITF {
 	pricings := []pricing.PricingProfileITF{}
 	for _, p := range ri.Partnerships {
 		pricings = append(pricings, p.GetPricingsProfiles(peerID, groups)...)
 	}
+	if len(pricings) == 0 {
+		if ok, _ := peer.IsMySelf(peerID); ok {
+			pricings = append(pricings, pricing.GetDefaultPricingProfile())
+		}
+	}
 	return pricings
 }

@@ -222,6 +242,15 @@ func (ri *ResourceInstance[T]) GetPeerGroups() ([]ResourcePartnerITF, []map[stri
 		partners = append(partners, p)
 		groups = append(groups, p.GetPeerGroups())
 	}
+	if len(groups) == 0 {
+		_, id := peer.GetSelf()
+		groups = []map[string][]string{
+			{
+				id: {"*"},
+			},
+		}
+		// TODO make allow all only for self.
+	}
 	return partners, groups
 }

@@ -238,12 +267,15 @@ type ResourcePartnerShip[T pricing.PricingProfileITF] struct {
 	// to upgrade pricing profiles. to be a map BuyingStrategy, map of Strategy
 }

-func (ri *ResourcePartnerShip[T]) GetProfile(buying int, strategy int) pricing.PricingProfileITF {
-	if strat, ok := ri.PricingProfiles[buying]; ok {
-		if profile, ok := strat[strategy]; ok {
-			return profile
+func (ri *ResourcePartnerShip[T]) GetProfile(buying *int, strategy *int) pricing.PricingProfileITF {
+	if buying != nil && strategy != nil {
+		if strat, ok := ri.PricingProfiles[*buying]; ok {
+			if profile, ok := strat[*strategy]; ok {
+				return profile
+			}
 		}
 	}
+
 	return nil
 }

@@ -269,10 +301,21 @@ func (ri *ResourcePartnerShip[T]) GetPricingsProfiles(peerID string, groups []st
 			return profiles
 		}
 	}
+	if len(profiles) == 0 {
+		if ok, _ := peer.IsMySelf(peerID); ok {
+			profiles = append(profiles, pricing.GetDefaultPricingProfile())
+		}
+	}
 	return profiles
 }

 func (rp *ResourcePartnerShip[T]) GetPeerGroups() map[string][]string {
+	if len(rp.PeerGroups) == 0 {
+		_, id := peer.GetSelf()
+		return map[string][]string{
+			id: {"*"},
+		}
+	}
 	return rp.PeerGroups
 }

--- a/models/resources/resource_accessor.go
+++ b/models/resources/resource_accessor.go
@@ -20,7 +20,7 @@ func NewAccessor[T ResourceInterface](t tools.DataType, request *tools.APIReques
 	if !slices.Contains([]tools.DataType{
 		tools.COMPUTE_RESOURCE, tools.STORAGE_RESOURCE,
 		tools.PROCESSING_RESOURCE, tools.WORKFLOW_RESOURCE,
-		tools.DATA_RESOURCE,
+		tools.DATA_RESOURCE, tools.NATIVE_TOOL,
 	}, t) {
 		return nil
 	}
--- a/models/resources/storage.go
+++ b/models/resources/storage.go
@@ -31,15 +31,18 @@ func (r *StorageResource) GetType() string {
 	return tools.STORAGE_RESOURCE.String()
 }

-func (abs *StorageResource) ConvertToPricedResource(t tools.DataType, request *tools.APIRequest) pricing.PricedItemITF {
+func (abs *StorageResource) ConvertToPricedResource(t tools.DataType, selectedInstance *int, selectedPartnership *int, selectedBuyingStrategy *int, selectedStrategy *int, selectedBookingModeIndex *int, request *tools.APIRequest) (pricing.PricedItemITF, error) {
 	if t != tools.STORAGE_RESOURCE {
-		return nil
+		return nil, errors.New("not the proper type expected : cannot convert to priced resource : have " + t.String() + " wait Storage")
+	}
+	p, err := abs.AbstractInstanciatedResource.ConvertToPricedResource(t, selectedInstance, selectedPartnership, selectedBuyingStrategy, selectedStrategy, selectedBookingModeIndex, request)
+	if err != nil {
+		return nil, err
 	}
-	p := abs.AbstractInstanciatedResource.ConvertToPricedResource(t, request)
 	priced := p.(*PricedResource)
 	return &PricedStorageResource{
 		PricedResource: *priced,
-	}
+	}, nil
 }

 type StorageResourceInstance struct {
@@ -62,32 +65,6 @@ func NewStorageResourceInstance(name string, peerID string) ResourceInstanceITF
 				UUID: uuid.New().String(),
 				Name: name,
 			},
-			Partnerships: []*StorageResourcePartnership{
-				{
-					ResourcePartnerShip: ResourcePartnerShip[*StorageResourcePricingProfile]{
-						Namespace: "default",
-						PeerGroups: map[string][]string{
-							peerID: {"*"},
-						},
-						PricingProfiles: map[int]map[int]*StorageResourcePricingProfile{
-							0: {
-								0: &StorageResourcePricingProfile{
-									ExploitPricingProfile: pricing.ExploitPricingProfile[StorageResourcePricingStrategy]{
-										AccessPricingProfile: pricing.AccessPricingProfile[StorageResourcePricingStrategy]{
-											Pricing: pricing.PricingStrategy[StorageResourcePricingStrategy]{
-												Price:               0,
-												Currency:            "EUR",
-												TimePricingStrategy: pricing.ONCE,
-												BuyingStrategy:      pricing.PERMANENT,
-											},
-										},
-									},
-								},
-							},
-						},
-					},
-				},
-			},
 		},
 	}
 }
@@ -192,10 +169,6 @@ type StorageResourcePricingProfile struct {
 	pricing.ExploitPricingProfile[StorageResourcePricingStrategy] // ExploitPricingProfile is the pricing profile of a storage it means that we exploit the resource for an amount of continuous time
 }

-func (p *StorageResourcePricingProfile) GetPurchase() pricing.BuyingStrategy {
-	return p.Pricing.BuyingStrategy
-}
-
 func (p *StorageResourcePricingProfile) IsPurchasable() bool {
 	return p.Pricing.BuyingStrategy != pricing.UNDEFINED_SUBSCRIPTION
 }
@@ -207,10 +180,6 @@ func (p *StorageResourcePricingProfile) IsBooked() bool {
 	return true
 }

-func (p *StorageResourcePricingProfile) GetPrice(amountOfData float64, val float64, start time.Time, end time.Time, params ...string) (float64, error) {
-	return p.Pricing.GetPrice(amountOfData, val, start, &end)
-}
-
 type PricedStorageResource struct {
 	PricedResource
 	UsageStorageGB float64 `json:"storage_gb,omitempty" bson:"storage_gb,omitempty"`
@@ -220,15 +189,18 @@ func (r *PricedStorageResource) GetType() tools.DataType {
 	return tools.STORAGE_RESOURCE
 }

-func (r *PricedStorageResource) GetPrice() (float64, error) {
-	fmt.Println("GetPrice", r.UsageStart, r.UsageEnd)
-	now := time.Now()
-	if r.UsageStart == nil {
-		r.UsageStart = &now
+func (r *PricedStorageResource) GetPriceHT() (float64, error) {
+	if r.BookingConfiguration == nil {
+		r.BookingConfiguration = &BookingConfiguration{}
 	}
-	if r.UsageEnd == nil {
-		add := r.UsageStart.Add(time.Duration(1 * time.Hour))
-		r.UsageEnd = &add
+	fmt.Println("GetPriceHT", r.BookingConfiguration.UsageStart, r.BookingConfiguration.UsageEnd)
+	now := time.Now()
+	if r.BookingConfiguration.UsageStart == nil {
+		r.BookingConfiguration.UsageStart = &now
+	}
+	if r.BookingConfiguration.UsageEnd == nil {
+		add := r.BookingConfiguration.UsageStart.Add(time.Duration(1 * time.Hour))
+		r.BookingConfiguration.UsageEnd = &add
 	}
 	if r.SelectedPricing == nil {
 		return 0, errors.New("pricing profile must be set on Priced Storage" + r.ResourceID)
@@ -242,5 +214,6 @@ func (r *PricedStorageResource) GetPrice() (float64, error) {
 			return 0, err
 		}
 	}
-	return pricing.GetPrice(amountOfData, r.ExplicitBookingDurationS, *r.UsageStart, *r.UsageEnd)
+	return pricing.GetPriceHT(amountOfData, r.BookingConfiguration.ExplicitBookingDurationS,
+		*r.BookingConfiguration.UsageStart, *r.BookingConfiguration.UsageEnd, r.Variations)
 }
--- a/models/resources/tests/compute_test.go
+++ b/models/resources/tests/compute_test.go
@@ -30,12 +30,12 @@ func TestComputeResource_ConvertToPricedResource(t *testing.T) {
 	cr := &resources.ComputeResource{}
 	cr.UUID = "comp123"
 	cr.AbstractInstanciatedResource.UUID = cr.UUID
-	result := cr.ConvertToPricedResource(tools.COMPUTE_RESOURCE, req)
+	result, _ := cr.ConvertToPricedResource(tools.COMPUTE_RESOURCE, nil, nil, nil, nil, nil, req)
 	assert.NotNil(t, result)
 	assert.IsType(t, &resources.PricedComputeResource{}, result)
 }

-func TestComputeResourcePricingProfile_GetPrice_CPUs(t *testing.T) {
+func TestComputeResourcePricingProfile_GetPriceHT_CPUs(t *testing.T) {
 	start := time.Now()
 	end := start.Add(1 * time.Hour)
 	profile := resources.ComputeResourcePricingProfile{
@@ -47,45 +47,47 @@ func TestComputeResourcePricingProfile_GetPrice_CPUs(t *testing.T) {
 		},
 	}

-	price, err := profile.GetPrice(2, 3600, start, end, "cpus", "Xeon")
+	price, err := profile.GetPriceHT(2, 3600, start, end, []*pricing.PricingVariation{}, "cpus", "Xeon")
 	require.NoError(t, err)
 	assert.Greater(t, price, float64(0))
 }

-func TestComputeResourcePricingProfile_GetPrice_InvalidParams(t *testing.T) {
+func TestComputeResourcePricingProfile_GetPriceHT_InvalidParams(t *testing.T) {
 	profile := resources.ComputeResourcePricingProfile{}
-	_, err := profile.GetPrice(1, 3600, time.Now(), time.Now())
+	_, err := profile.GetPriceHT(1, 3600, time.Now(), time.Now(), []*pricing.PricingVariation{})
 	assert.Error(t, err)
 	assert.Equal(t, "params must be set", err.Error())
 }

-func TestPricedComputeResource_GetPrice(t *testing.T) {
+func TestPricedComputeResource_GetPriceHT(t *testing.T) {
 	start := time.Now()
 	end := start.Add(1 * time.Hour)
 	r := resources.PricedComputeResource{
 		PricedResource: resources.PricedResource{
-			ResourceID:               "comp456",
-			UsageStart:               &start,
-			UsageEnd:                 &end,
-			ExplicitBookingDurationS: 3600,
+			ResourceID: "comp456",
+			BookingConfiguration: &resources.BookingConfiguration{
+				UsageStart:               &start,
+				UsageEnd:                 &end,
+				ExplicitBookingDurationS: 3600,
+			},
 		},
 		CPUsLocated: map[string]float64{"Xeon": 2},
 		GPUsLocated: map[string]float64{"Tesla": 1},
 		RAMLocated:  4,
 	}

-	price, err := r.GetPrice()
+	price, err := r.GetPriceHT()
 	require.NoError(t, err)
 	assert.Greater(t, price, float64(0))
 }

-func TestPricedComputeResource_GetPrice_MissingProfile(t *testing.T) {
+func TestPricedComputeResource_GetPriceHT_MissingProfile(t *testing.T) {
 	r := resources.PricedComputeResource{
 		PricedResource: resources.PricedResource{
 			ResourceID: "comp789",
 		},
 	}
-	_, err := r.GetPrice()
+	_, err := r.GetPriceHT()
 	require.Error(t, err)
 	assert.Contains(t, err.Error(), "pricing profile must be set")
 }
--- a/models/resources/tests/data_test.go
+++ b/models/resources/tests/data_test.go
@@ -27,10 +27,10 @@ func TestDataResource_GetAccessor(t *testing.T) {
 func TestDataResource_ConvertToPricedResource(t *testing.T) {
 	d := &resources.DataResource{}
 	d.UUID = "123"
-	res := d.ConvertToPricedResource(tools.DATA_RESOURCE, &tools.APIRequest{})
+	res, _ := d.ConvertToPricedResource(tools.DATA_RESOURCE, nil, nil, nil, nil, nil, &tools.APIRequest{})
 	assert.IsType(t, &resources.PricedDataResource{}, res)

-	nilRes := d.ConvertToPricedResource(tools.PROCESSING_RESOURCE, &tools.APIRequest{})
+	nilRes, _ := d.ConvertToPricedResource(tools.PROCESSING_RESOURCE, nil, nil, nil, nil, nil, &tools.APIRequest{})
 	assert.Nil(t, nilRes)
 }

@@ -80,7 +80,7 @@ func TestDataResourcePricingProfile_IsPurchased(t *testing.T) {
 	assert.True(t, profile.IsPurchasable())
 }

-func TestPricedDataResource_GetPrice(t *testing.T) {
+func TestPricedDataResource_GetPriceHT(t *testing.T) {
 	now := time.Now()
 	later := now.Add(1 * time.Hour)
 	mockPrice := 42.0
@@ -92,23 +92,25 @@ func TestPricedDataResource_GetPrice(t *testing.T) {

 	r := &resources.PricedDataResource{
 		PricedResource: resources.PricedResource{
-			UsageStart: &now,
-			UsageEnd:   &later,
+			BookingConfiguration: &resources.BookingConfiguration{
+				UsageStart: &now,
+				UsageEnd:   &later,
+			},
 		},
 	}

-	price, err := r.GetPrice()
+	price, err := r.GetPriceHT()
 	require.NoError(t, err)
 	assert.Equal(t, mockPrice, price)
 }

-func TestPricedDataResource_GetPrice_NoProfiles(t *testing.T) {
+func TestPricedDataResource_GetPriceHT_NoProfiles(t *testing.T) {
 	r := &resources.PricedDataResource{
 		PricedResource: resources.PricedResource{
 			ResourceID: "test-resource",
 		},
 	}
-	_, err := r.GetPrice()
+	_, err := r.GetPriceHT()
 	assert.Error(t, err)
 	assert.Contains(t, err.Error(), "pricing profile must be set")
 }
--- a/models/resources/tests/priced_resource_test.go
+++ b/models/resources/tests/priced_resource_test.go
@@ -26,7 +26,7 @@ func (m *MockPricingProfile) IsPurchasable() bool {
 	return m.Purchased
 }

-func (m *MockPricingProfile) GetPrice(amount float64, explicitDuration float64, start time.Time, end time.Time, _ ...string) (float64, error) {
+func (m *MockPricingProfile) GetPriceHT(amount float64, explicitDuration float64, start time.Time, end time.Time, variations []*pricing.PricingVariation, _ ...string) (float64, error) {
 	if m.ReturnErr {
 		return 0, errors.New("mock error")
 	}
@@ -72,14 +72,21 @@ func TestGetAndSetLocationStartEnd(t *testing.T) {

 func TestGetExplicitDurationInS(t *testing.T) {
 	t.Run("uses explicit duration if set", func(t *testing.T) {
-		r := &resources.PricedResource{ExplicitBookingDurationS: 3600}
+		r := &resources.PricedResource{BookingConfiguration: &resources.BookingConfiguration{
+			ExplicitBookingDurationS: 3600,
+		},
+		}
 		assert.Equal(t, 3600.0, r.GetExplicitDurationInS())
 	})

 	t.Run("computes duration from start and end", func(t *testing.T) {
 		start := time.Now()
 		end := start.Add(2 * time.Hour)
-		r := &resources.PricedResource{UsageStart: &start, UsageEnd: &end}
+		r := &resources.PricedResource{
+			BookingConfiguration: &resources.BookingConfiguration{
+				UsageStart: &start, UsageEnd: &end,
+			},
+		}
 		assert.InDelta(t, 7200.0, r.GetExplicitDurationInS(), 0.1)
 	})

@@ -89,10 +96,10 @@ func TestGetExplicitDurationInS(t *testing.T) {
 	})
 }

-func TestGetPrice(t *testing.T) {
+func TestGetPriceHT(t *testing.T) {
 	t.Run("returns error if no pricing profile", func(t *testing.T) {
 		r := &resources.PricedResource{ResourceID: "no-profile"}
-		price, err := r.GetPrice()
+		price, err := r.GetPriceHT()
 		require.Error(t, err)
 		assert.Contains(t, err.Error(), "pricing profile must be set")
 		assert.Equal(t, 0.0, price)
@@ -102,24 +109,28 @@ func TestGetPrice(t *testing.T) {
 		start := time.Now()
 		end := start.Add(30 * time.Minute)
 		r := &resources.PricedResource{
-			UsageStart: &start,
-			UsageEnd:   &end,
+			BookingConfiguration: &resources.BookingConfiguration{
+				UsageStart: &start,
+				UsageEnd:   &end,
+			},
 		}
-		price, err := r.GetPrice()
+		price, err := r.GetPriceHT()
 		require.NoError(t, err)
 		assert.Equal(t, 42.0, price)
 	})

-	t.Run("returns error if profile GetPrice fails", func(t *testing.T) {
+	t.Run("returns error if profile GetPriceHT fails", func(t *testing.T) {
 		start := time.Now()
 		end := start.Add(1 * time.Hour)
 		mock := &MockPricingProfile{ReturnErr: true}
 		r := &resources.PricedResource{
 			SelectedPricing: mock,
-			UsageStart:      &start,
-			UsageEnd:        &end,
+			BookingConfiguration: &resources.BookingConfiguration{
+				UsageStart: &start,
+				UsageEnd:   &end,
+			},
 		}
-		price, err := r.GetPrice()
+		price, err := r.GetPriceHT()
 		require.Error(t, err)
 		assert.Equal(t, 0.0, price)
 	})
@@ -130,10 +141,12 @@ func TestGetPrice(t *testing.T) {
 		mock := &MockPricingProfile{ReturnCost: 10.0}
 		r := &resources.PricedResource{
 			SelectedPricing: mock,
-			UsageStart:      &start,
-			UsageEnd:        &end,
+			BookingConfiguration: &resources.BookingConfiguration{
+				UsageStart: &start,
+				UsageEnd:   &end,
+			},
 		}
-		price, err := r.GetPrice()
+		price, err := r.GetPriceHT()
 		require.NoError(t, err)
 		assert.Equal(t, 10.0, price)
 	})
--- a/models/resources/tests/processing_test.go
+++ b/models/resources/tests/processing_test.go
@@ -5,6 +5,7 @@ import (
 	"time"

 	"cloud.o-forge.io/core/oc-lib/models/common/pricing"
+	"cloud.o-forge.io/core/oc-lib/models/resources"
 	. "cloud.o-forge.io/core/oc-lib/models/resources"
 	"cloud.o-forge.io/core/oc-lib/tools"
 	"github.com/stretchr/testify/assert"
@@ -40,7 +41,9 @@ func TestPricedProcessingResource_GetExplicitDurationInS(t *testing.T) {
 			name: "Nil start time, non-service",
 			input: PricedProcessingResource{
 				PricedResource: PricedResource{
-					UsageStart: nil,
+					BookingConfiguration: &resources.BookingConfiguration{
+						UsageStart: nil,
+					},
 				},
 			},
 			expected: float64((1 * time.Hour).Seconds()),
@@ -49,8 +52,10 @@ func TestPricedProcessingResource_GetExplicitDurationInS(t *testing.T) {
 			name: "Duration computed from start and end",
 			input: PricedProcessingResource{
 				PricedResource: PricedResource{
-					UsageStart: &now,
-					UsageEnd:   &after,
+					BookingConfiguration: &resources.BookingConfiguration{
+						UsageStart: &now,
+						UsageEnd:   &after,
+					},
 				},
 			},
 			expected: float64((2 * time.Hour).Seconds()),
@@ -59,7 +64,9 @@ func TestPricedProcessingResource_GetExplicitDurationInS(t *testing.T) {
 			name: "Explicit duration takes precedence",
 			input: PricedProcessingResource{
 				PricedResource: PricedResource{
-					ExplicitBookingDurationS: 1337,
+					BookingConfiguration: &resources.BookingConfiguration{
+						ExplicitBookingDurationS: 1337,
+					},
 				},
 			},
 			expected: 1337,
@@ -80,7 +87,7 @@ func TestProcessingResource_GetAccessor(t *testing.T) {
 	assert.NotNil(t, acc)
 }

-func TestProcessingResourcePricingProfile_GetPrice(t *testing.T) {
+func TestProcessingResourcePricingProfile_GetPriceHT(t *testing.T) {
 	start := time.Now()
 	end := start.Add(2 * time.Hour)
 	mockPricing := pricing.AccessPricingProfile[pricing.TimePricingStrategy]{
@@ -88,8 +95,8 @@ func TestProcessingResourcePricingProfile_GetPrice(t *testing.T) {
 			Price: 100.0,
 		},
 	}
-	profile := &ProcessingResourcePricingProfile{mockPricing}
-	price, err := profile.GetPrice(0, 0, start, end)
+	profile := &ProcessingResourcePricingProfile{AccessPricingProfile: mockPricing}
+	price, err := profile.GetPriceHT(0, 0, start, end, []*pricing.PricingVariation{})
 	assert.NoError(t, err)
 	assert.Equal(t, 100.0, price)
 }
--- a/models/resources/tests/resource_test.go
+++ b/models/resources/tests/resource_test.go
@@ -20,7 +20,7 @@ func (m *MockInstance) GetID() string    { return m.ID }
 func (m *MockInstance) GetName() string  { return m.Name }
 func (m *MockInstance) ClearEnv()        {}
 func (m *MockInstance) ClearPeerGroups() {}
-func (m *MockInstance) GetProfile() pricing.PricingProfileITF {
+func (m *MockInstance) GetProfile(peerID string, a *int, b *int, c *int) pricing.PricingProfileITF {
 	return nil
 }
 func (m *MockInstance) GetPricingsProfiles(peerID string, groups []string) []pricing.PricingProfileITF {
@@ -36,7 +36,7 @@ type MockPartner struct {
 	groups map[string][]string
 }

-func (m *MockPartner) GetProfile(buying int, strategy int) pricing.PricingProfileITF {
+func (m *MockPartner) GetProfile(buying *int, strategy *int) pricing.PricingProfileITF {
 	return nil
 }

@@ -62,10 +62,10 @@ func TestGetSelectedInstance_WithValidIndex(t *testing.T) {
 	inst1 := &MockInstance{ID: "1"}
 	inst2 := &MockInstance{ID: "2"}
 	resource := &resources.AbstractInstanciatedResource[*MockInstance]{
-		AbstractResource: resources.AbstractResource{SelectedInstanceIndex: &index},
+		AbstractResource: resources.AbstractResource{},
 		Instances:        []*MockInstance{inst1, inst2},
 	}
-	result := resource.GetSelectedInstance()
+	result := resource.GetSelectedInstance(&index)
 	assert.Equal(t, inst2, result)
 }

@@ -74,7 +74,7 @@ func TestGetSelectedInstance_NoIndex(t *testing.T) {
 	resource := &resources.AbstractInstanciatedResource[*MockInstance]{
 		Instances: []*MockInstance{inst},
 	}
-	result := resource.GetSelectedInstance()
+	result := resource.GetSelectedInstance(nil)
 	assert.Equal(t, inst, result)
 }

@@ -103,9 +103,9 @@ type FakeResource struct {
 	resources.AbstractInstanciatedResource[*MockInstance]
 }

-func (f *FakeResource) Trim()                                 {}
-func (f *FakeResource) SetAllowedInstances(*tools.APIRequest) {}
-func (f *FakeResource) VerifyAuth(*tools.APIRequest) bool     { return true }
+func (f *FakeResource) Trim()                                     {}
+func (f *FakeResource) SetAllowedInstances(*tools.APIRequest)     {}
+func (f *FakeResource) VerifyAuth(string, *tools.APIRequest) bool { return true }

 func TestNewAccessor_ReturnsValid(t *testing.T) {
 	acc := resources.NewAccessor[*FakeResource](tools.COMPUTE_RESOURCE, &tools.APIRequest{}, func() utils.DBObject {
--- a/models/resources/tests/storage_test.go
+++ b/models/resources/tests/storage_test.go
@@ -26,14 +26,14 @@ func TestStorageResource_ConvertToPricedResource_ValidType(t *testing.T) {
 	res := &resources.StorageResource{}
 	res.AbstractInstanciatedResource.CreatorID = "creator"
 	res.AbstractInstanciatedResource.UUID = "res-id"
-	priced := res.ConvertToPricedResource(tools.STORAGE_RESOURCE, &tools.APIRequest{})
+	priced, _ := res.ConvertToPricedResource(tools.STORAGE_RESOURCE, nil, nil, nil, nil, nil, &tools.APIRequest{})
 	assert.NotNil(t, priced)
 	assert.IsType(t, &resources.PricedStorageResource{}, priced)
 }

 func TestStorageResource_ConvertToPricedResource_InvalidType(t *testing.T) {
 	res := &resources.StorageResource{}
-	priced := res.ConvertToPricedResource(tools.COMPUTE_RESOURCE, &tools.APIRequest{})
+	priced, _ := res.ConvertToPricedResource(tools.COMPUTE_RESOURCE, nil, nil, nil, nil, nil, &tools.APIRequest{})
 	assert.Nil(t, priced)
 }

@@ -94,12 +94,12 @@ func TestStorageResourcePricingStrategy_GetQuantity_Invalid(t *testing.T) {
 	assert.Equal(t, 0.0, q)
 }

-func TestPricedStorageResource_GetPrice_NoProfiles(t *testing.T) {
+func TestPricedStorageResource_GetPriceHT_NoProfiles(t *testing.T) {
 	res := &resources.PricedStorageResource{
 		PricedResource: resources.PricedResource{
 			ResourceID: "res-id",
 		},
 	}
-	_, err := res.GetPrice()
+	_, err := res.GetPriceHT()
 	assert.Error(t, err)
 }
--- a/models/resources/tests/workflow_test.go
+++ b/models/resources/tests/workflow_test.go
@@ -32,7 +32,7 @@ func TestWorkflowResource_ConvertToPricedResource(t *testing.T) {
 		Groups: []string{"group1"},
 	}

-	pr := w.ConvertToPricedResource(tools.WORKFLOW_RESOURCE, req)
+	pr, _ := w.ConvertToPricedResource(tools.WORKFLOW_RESOURCE, nil, nil, nil, nil, nil, req)
 	assert.Equal(t, "creator-id", pr.GetCreatorID())
 	assert.Equal(t, tools.WORKFLOW_RESOURCE, pr.GetType())
 }
--- a/models/resources/workflow.go
+++ b/models/resources/workflow.go
@@ -37,12 +37,13 @@ func (w *WorkflowResource) SetAllowedInstances(request *tools.APIRequest) {
 	/* EMPTY */
 }

-func (w *WorkflowResource) ConvertToPricedResource(t tools.DataType, request *tools.APIRequest) pricing.PricedItemITF {
+func (w *WorkflowResource) ConvertToPricedResource(t tools.DataType, selectedInstance *int, selectedPartnership *int, selectedBuyingStrategy *int, selectedStrategy *int, selectedBookingModeIndex *int, request *tools.APIRequest) (pricing.PricedItemITF, error) {
 	return &PricedResource{
 		Name:         w.Name,
 		Logo:         w.Logo,
 		ResourceID:   w.UUID,
 		ResourceType: t,
+		Quantity:     1,
 		CreatorID:    w.CreatorID,
-	}
+	}, nil // TODO ???
 }
--- a/models/utils/abstracts.go
+++ b/models/utils/abstracts.go
@@ -98,8 +98,8 @@ func (ao *AbstractObject) UpToDate(user string, peer string, create bool) {
 	}
 }

-func (ao *AbstractObject) VerifyAuth(request *tools.APIRequest) bool {
-	return ao.AccessMode == Public || (request != nil && ao.CreatorID == request.PeerID && request.PeerID != "")
+func (ao *AbstractObject) VerifyAuth(callName string, request *tools.APIRequest) bool {
+	return (ao.AccessMode == Public && callName == "get") || request.Admin || (request != nil && ao.CreatorID == request.PeerID && request.PeerID != "")
 }

 func (ao *AbstractObject) GetObjectFilters(search string) *dbs.Filters {
--- a/models/utils/common.go
+++ b/models/utils/common.go
@@ -18,7 +18,7 @@ func VerifyAccess(a Accessor, id string) error {
 	if err != nil {
 		return err
 	}
-	if a.ShouldVerifyAuth() && !data.VerifyAuth(a.GetRequest()) {
+	if a.ShouldVerifyAuth() && !data.VerifyAuth("get", a.GetRequest()) {
 		return errors.New("you are not allowed to access :" + a.GetType().String())
 	}
 	return nil
@@ -41,7 +41,7 @@ func GenericStoreOne(data DBObject, a Accessor) (DBObject, int, error) {
 			}},
 		},
 	}
-	if a.ShouldVerifyAuth() && !data.VerifyAuth(a.GetRequest()) {
+	if a.ShouldVerifyAuth() && !data.VerifyAuth("store", a.GetRequest()) {
 		return nil, 403, errors.New("you are not allowed to access : " + a.GetType().String())
 	}
 	if cursor, _, _ := a.Search(&f, "", data.IsDrafted()); len(cursor) > 0 {
@@ -68,7 +68,7 @@ func GenericDeleteOne(id string, a Accessor) (DBObject, int, error) {
 	if err != nil {
 		return nil, code, err
 	}
-	if a.ShouldVerifyAuth() && !res.VerifyAuth(a.GetRequest()) {
+	if a.ShouldVerifyAuth() && !res.VerifyAuth("delete", a.GetRequest()) {
 		return nil, 403, errors.New("you are not allowed to access " + a.GetType().String())
 	}
 	_, code, err = mongo.MONGOService.DeleteOne(id, a.GetType().String())
@@ -92,7 +92,7 @@ func GenericUpdateOne(set DBObject, id string, a Accessor, new DBObject) (DBObje
 	}
 	set = newSet
 	r.UpToDate(a.GetUser(), a.GetPeerID(), false)
-	if a.ShouldVerifyAuth() && !r.VerifyAuth(a.GetRequest()) {
+	if a.ShouldVerifyAuth() && !r.VerifyAuth("update", a.GetRequest()) {
 		return nil, 403, errors.New("you are not allowed to access :" + a.GetType().String())
 	}
 	change := set.Serialize(set) // get the changes
@@ -116,7 +116,7 @@ func GenericLoadOne[T DBObject](id string, f func(DBObject) (DBObject, int, erro
 		return nil, code, err
 	}
 	res_mongo.Decode(&data)
-	if a.ShouldVerifyAuth() && !data.VerifyAuth(a.GetRequest()) {
+	if a.ShouldVerifyAuth() && !data.VerifyAuth("get", a.GetRequest()) {
 		return nil, 403, errors.New("you are not allowed to access :" + a.GetType().String())
 	}
 	return f(data)
@@ -132,7 +132,7 @@ func genericLoadAll[T DBObject](res *mgb.Cursor, code int, err error, onlyDraft
 		return nil, 404, err
 	}
 	for _, r := range results {
-		if (a.ShouldVerifyAuth() && !r.VerifyAuth(a.GetRequest())) || f(r) == nil || (onlyDraft && !r.IsDrafted()) || (!onlyDraft && r.IsDrafted()) {
+		if (a.ShouldVerifyAuth() && !r.VerifyAuth("get", a.GetRequest())) || f(r) == nil || (onlyDraft && !r.IsDrafted()) || (!onlyDraft && r.IsDrafted()) {
 			continue
 		}
 		objs = append(objs, f(r))
--- a/models/utils/interfaces.go
+++ b/models/utils/interfaces.go
@@ -28,7 +28,7 @@ type DBObject interface {
 	GetCreatorID() string
 	UpToDate(user string, peer string, create bool)
 	CanUpdate(set DBObject) (bool, DBObject)
-	VerifyAuth(request *tools.APIRequest) bool
+	VerifyAuth(callName string, request *tools.APIRequest) bool
 	Serialize(obj DBObject) map[string]interface{}
 	GetAccessor(request *tools.APIRequest) Accessor
 	Deserialize(j map[string]interface{}, obj DBObject) DBObject
--- a/models/utils/tests/abstracts_test.go
+++ b/models/utils/tests/abstracts_test.go
@@ -87,14 +87,14 @@ func TestUpToDate_CreateTrue(t *testing.T) {
 func TestVerifyAuth(t *testing.T) {
 	request := &tools.APIRequest{PeerID: "peer123"}
 	ao := &utils.AbstractObject{CreatorID: "peer123"}
-	assert.True(t, ao.VerifyAuth(request))
+	assert.True(t, ao.VerifyAuth("get", request))

 	ao = &utils.AbstractObject{AccessMode: utils.Public}
-	assert.True(t, ao.VerifyAuth(nil))
+	assert.True(t, ao.VerifyAuth("get", nil))

 	ao = &utils.AbstractObject{AccessMode: utils.Private, CreatorID: "peer123"}
 	request = &tools.APIRequest{PeerID: "wrong"}
-	assert.False(t, ao.VerifyAuth(request))
+	assert.False(t, ao.VerifyAuth("get", request))
 }

 func TestGetObjectFilters(t *testing.T) {
--- a/models/workflow/graph/graph.go
+++ b/models/workflow/graph/graph.go
@@ -47,6 +47,10 @@ func (wf *Graph) IsProcessing(item GraphItem) bool {
 	return item.Processing != nil
 }

+func (wf *Graph) IsNativeTool(item GraphItem) bool {
+	return item.NativeTool != nil
+}
+
 func (wf *Graph) IsCompute(item GraphItem) bool {
 	return item.Compute != nil
 }
@@ -64,7 +68,7 @@ func (wf *Graph) IsWorkflow(item GraphItem) bool {
 }

 func (g *Graph) GetAverageTimeRelatedToProcessingActivity(start time.Time, processings []*resources.ProcessingResource, resource resources.ResourceInterface,
-	f func(GraphItem) resources.ResourceInterface, request *tools.APIRequest) (float64, float64) {
+	f func(GraphItem) resources.ResourceInterface, instance int, bookingMode int, request *tools.APIRequest) (float64, float64, error) {
 	nearestStart := float64(10000000000)
 	oneIsInfinite := false
 	longestDuration := float64(0)
@@ -76,7 +80,10 @@ func (g *Graph) GetAverageTimeRelatedToProcessingActivity(start time.Time, proce
 			} else if link.Source.ID == processing.GetID() && f(g.Items[link.Source.ID]) != nil && f(g.Items[link.Source.ID]).GetID() == resource.GetID() { // if the source is the processing and the destination is not a compute
 				source = link.Destination.ID
 			}
-			priced := processing.ConvertToPricedResource(tools.PROCESSING_RESOURCE, request)
+			priced, err := processing.ConvertToPricedResource(tools.PROCESSING_RESOURCE, &instance, &bookingMode, request)
+			if err != nil {
+				return 0, 0, err
+			}
 			if source != "" {
 				if priced.GetLocationStart() != nil {
 					near := float64(priced.GetLocationStart().Sub(start).Seconds())
@@ -97,15 +104,15 @@ func (g *Graph) GetAverageTimeRelatedToProcessingActivity(start time.Time, proce
 		}
 	}
 	if oneIsInfinite {
-		return nearestStart, -1
+		return nearestStart, -1, nil
 	}
-	return nearestStart, longestDuration
+	return nearestStart, longestDuration, nil
 }

 /*
 * GetAverageTimeBeforeStart is a function that returns the average time before the start of a processing
 */
-func (g *Graph) GetAverageTimeProcessingBeforeStart(average float64, processingID string, request *tools.APIRequest) float64 {
+func (g *Graph) GetAverageTimeProcessingBeforeStart(average float64, processingID string, instance int, bookingMode int, request *tools.APIRequest) (float64, error) {
 	currents := []float64{}        // list of current time
 	for _, link := range g.Links { // for each link
 		var source string                                                                     // source is the source of the link
@@ -121,13 +128,20 @@ func (g *Graph) GetAverageTimeProcessingBeforeStart(average float64, processingI
 		if r == nil {                  // if item is nil, continue
 			continue
 		}
-		priced := r.ConvertToPricedResource(dt, request)
+		priced, err := r.ConvertToPricedResource(dt, &instance, &bookingMode, request)
+		if err != nil {
+			return 0, err
+		}
 		current := priced.GetExplicitDurationInS() // get the explicit duration of the item
 		if current < 0 {                           // if current is negative, its means that duration of a before could be infinite continue
-			return current
+			return current, nil
 		}
-		current += g.GetAverageTimeProcessingBeforeStart(current, source, request) // get the average time before start of the source
-		currents = append(currents, current)                                       // append the current to the currents
+		add, err := g.GetAverageTimeProcessingBeforeStart(current, source, instance, bookingMode, request)
+		if err != nil {
+			return 0, err
+		}
+		current += add                       // get the average time before start of the source
+		currents = append(currents, current) // append the current to the currents
 	}
 	var max float64 // get the max time to wait dependancies to finish
 	for _, current := range currents {
@@ -135,12 +149,14 @@ func (g *Graph) GetAverageTimeProcessingBeforeStart(average float64, processingI
 			max = current
 		}
 	}
-	return max
+	return max, nil
 }

 func (g *Graph) GetResource(id string) (tools.DataType, resources.ResourceInterface) {
 	if item, ok := g.Items[id]; ok {
 		if item.Data != nil {
+			return tools.NATIVE_TOOL, item.NativeTool
+		} else if item.Data != nil {
 			return tools.DATA_RESOURCE, item.Data
 		} else if item.Compute != nil {
 			return tools.COMPUTE_RESOURCE, item.Compute
--- a/models/workflow/workflow.go
+++ b/models/workflow/workflow.go
@@ -9,6 +9,7 @@ import (
 	"strings"
 	"time"

+	"cloud.o-forge.io/core/oc-lib/models/booking"
 	"cloud.o-forge.io/core/oc-lib/models/collaborative_area/shallow_collaborative_area"
 	"cloud.o-forge.io/core/oc-lib/models/common"
 	"cloud.o-forge.io/core/oc-lib/models/common/pricing"
@@ -20,6 +21,16 @@ import (
 	"github.com/google/uuid"
 )

+type ConfigItem map[string]int
+
+func (c ConfigItem) Get(key string) *int {
+	i := 0
+	if ins, ok := c[key]; ok {
+		i = ins
+	}
+	return &i
+}
+
 /*
 * Workflow is a struct that represents a workflow
 * it defines the native workflow
@@ -40,6 +51,11 @@ func (d *Workflow) GetAccessor(request *tools.APIRequest) utils.Accessor {
 func (d *Workflow) GetResources(dt tools.DataType) []resources.ResourceInterface {
 	itf := []resources.ResourceInterface{}
 	switch dt {
+	case tools.NATIVE_TOOL:
+		for _, d := range d.NativeTools {
+			itf = append(itf, d)
+		}
+		return itf
 	case tools.DATA_RESOURCE:
 		for _, d := range d.DataResources {
 			itf = append(itf, d)
@@ -134,19 +150,25 @@ func (d *Workflow) ExtractFromPlantUML(plantUML multipart.File, request *tools.A
 				graphVarName[varName] = graphItem
 				continue
 			} else if strings.Contains(line, n+"-->") {
-				err := d.extractLink(line, graphVarName, "-->")
+				err := d.extractLink(line, graphVarName, "-->", false)
+				if err != nil {
+					fmt.Println(err)
+					continue
+				}
+			} else if strings.Contains(line, n+"<--") {
+				err := d.extractLink(line, graphVarName, "<--", true)
 				if err != nil {
 					fmt.Println(err)
 					continue
 				}
 			} else if strings.Contains(line, n+"--") {
-				err := d.extractLink(line, graphVarName, "--")
+				err := d.extractLink(line, graphVarName, "--", false)
 				if err != nil {
 					fmt.Println(err)
 					continue
 				}
 			} else if strings.Contains(line, n+"-") {
-				err := d.extractLink(line, graphVarName, "-")
+				err := d.extractLink(line, graphVarName, "-", false)
 				if err != nil {
 					fmt.Println(err)
 					continue
@@ -176,7 +198,7 @@ func (d *Workflow) generateResource(datas []resources.ResourceInterface, request
 	return nil
 }

-func (d *Workflow) extractLink(line string, graphVarName map[string]*graph.GraphItem, pattern string) error {
+func (d *Workflow) extractLink(line string, graphVarName map[string]*graph.GraphItem, pattern string, reverse bool) error {
 	splitted := strings.Split(line, pattern)
 	if len(splitted) < 2 {
 		return errors.New("links elements not found")
@@ -199,6 +221,11 @@ func (d *Workflow) extractLink(line string, graphVarName map[string]*graph.Graph
 			Y:  0,
 		},
 	}
+	if reverse {
+		tmp := link.Destination
+		link.Destination = link.Source
+		link.Source = tmp
+	}
 	splittedComments := strings.Split(line, "'")
 	if len(splittedComments) <= 1 {
 		return errors.New("Can't deserialize Object, there's no commentary")
@@ -256,10 +283,19 @@ func (d *Workflow) getNewGraphItem(dataName string, graphItem *graph.GraphItem,
 		d.Datas = append(d.Datas, resource.GetID())
 		d.DataResources = append(d.DataResources, resource.(*resources.DataResource))
 		graphItem.Data = resource.(*resources.DataResource)
-	case "Processing", "Event":
+	case "Processing":
 		d.Processings = append(d.Processings, resource.GetID())
 		d.ProcessingResources = append(d.ProcessingResources, resource.(*resources.ProcessingResource))
 		graphItem.Processing = resource.(*resources.ProcessingResource)
+	case "Event":
+		access := resources.NewAccessor[*resources.NativeTool](tools.NATIVE_TOOL, &tools.APIRequest{
+			Admin: true,
+		}, func() utils.DBObject { return &resources.NativeTool{} })
+		t, _, err := access.Search(nil, "WORKFLOW_EVENT", false)
+		if err == nil && len(t) > 0 {
+			d.NativeTool = append(d.NativeTool, t[0].GetID())
+			graphItem.NativeTool = t[0].(*resources.NativeTool)
+		}
 	case "Storage":
 		d.Storages = append(d.Storages, resource.GetID())
 		d.StorageResources = append(d.StorageResources, resource.(*resources.StorageResource))
@@ -312,6 +348,12 @@ func (w *Workflow) IsDependancy(id string) []Deps {
 	return dependancyOfIDs
 }

+func (w *Workflow) GetFirstItems() []graph.GraphItem {
+	return w.GetGraphItems(func(item graph.GraphItem) bool {
+		return len(w.GetDependencies(w.GetID())) == 0
+	})
+}
+
 func (w *Workflow) GetDependencies(id string) (dependencies []Deps) {
 	for _, link := range w.Graph.Links {
 		if _, ok := w.Graph.Items[link.Source.ID]; !ok {
@@ -336,16 +378,26 @@ func (w *Workflow) GetGraphItems(f func(item graph.GraphItem) bool) (list_datas
 }

 func (w *Workflow) GetPricedItem(
-	f func(item graph.GraphItem) bool, request *tools.APIRequest, buyingStrategy int, pricingStrategy int) map[string]pricing.PricedItemITF {
+	f func(item graph.GraphItem) bool, request *tools.APIRequest,
+	instance int,
+	partnership int,
+	buying int,
+	strategy int,
+	bookingMode int,
+	buyingStrategy int,
+	pricingStrategy int) (map[string]pricing.PricedItemITF, error) {
 	list_datas := map[string]pricing.PricedItemITF{}
 	for _, item := range w.Graph.Items {
 		if f(item) {
 			dt, res := item.GetResource()
-			ord := res.ConvertToPricedResource(dt, request)
+			ord, err := res.ConvertToPricedResource(dt, &instance, &partnership, &buying, &strategy, &bookingMode, request)
+			if err != nil {
+				return list_datas, err
+			}
 			list_datas[res.GetID()] = ord
 		}
 	}
-	return list_datas
+	return list_datas, nil
 }

 type Related struct {
@@ -378,7 +430,7 @@ func (w *Workflow) GetByRelatedProcessing(processingID string, g func(item graph
 	return related
 }

-func (ao *Workflow) VerifyAuth(request *tools.APIRequest) bool {
+func (ao *Workflow) VerifyAuth(callName string, request *tools.APIRequest) bool {
 	isAuthorized := false
 	if len(ao.Shared) > 0 {
 		for _, shared := range ao.Shared {
@@ -386,11 +438,11 @@ func (ao *Workflow) VerifyAuth(request *tools.APIRequest) bool {
 			if code != 200 || shared == nil {
 				isAuthorized = false
 			} else {
-				isAuthorized = shared.VerifyAuth(request)
+				isAuthorized = shared.VerifyAuth(callName, request)
 			}
 		}
 	}
-	return ao.AbstractObject.VerifyAuth(request) || isAuthorized
+	return ao.AbstractObject.VerifyAuth(callName, request) || isAuthorized
 }

 /*
@@ -422,65 +474,106 @@ func (wfa *Workflow) CheckBooking(caller *tools.HTTPCaller) (bool, error) {
 	return true, nil
 }

-func (wf *Workflow) Planify(start time.Time, end *time.Time, request *tools.APIRequest) (float64, map[tools.DataType]map[string]pricing.PricedItemITF, *Workflow, error) {
+func (wf *Workflow) Planify(start time.Time, end *time.Time, instances ConfigItem, partnerships ConfigItem, buyings ConfigItem, strategies ConfigItem, bookingMode int, request *tools.APIRequest) (bool, float64, map[tools.DataType]map[string]pricing.PricedItemITF, *Workflow, error) {
 	priceds := map[tools.DataType]map[string]pricing.PricedItemITF{}
-	ps, priceds, err := plan[*resources.ProcessingResource](tools.PROCESSING_RESOURCE, wf, priceds, request, wf.Graph.IsProcessing,
-		func(res resources.ResourceInterface, priced pricing.PricedItemITF) (time.Time, float64) {
-			return start.Add(time.Duration(wf.Graph.GetAverageTimeProcessingBeforeStart(0, res.GetID(), request)) * time.Second), priced.GetExplicitDurationInS()
-		}, func(started time.Time, duration float64) *time.Time {
+	ps, priceds, err := plan[*resources.ProcessingResource](tools.PROCESSING_RESOURCE, instances, partnerships, buyings, strategies, bookingMode, wf, priceds, request, wf.Graph.IsProcessing,
+		func(res resources.ResourceInterface, priced pricing.PricedItemITF) (time.Time, float64, error) {
+			d, err := wf.Graph.GetAverageTimeProcessingBeforeStart(0, res.GetID(),
+				*instances.Get(res.GetID()), *partnerships.Get(res.GetID()), *buyings.Get(res.GetID()), *strategies.Get(res.GetID()),
+				bookingMode, request)
+			if err != nil {
+				return start, 0, err
+			}
+			return start.Add(time.Duration(d) * time.Second), priced.GetExplicitDurationInS(), nil
+		}, func(started time.Time, duration float64) (*time.Time, error) {
 			s := started.Add(time.Duration(duration))
-			return &s
+			return &s, nil
 		})
 	if err != nil {
-		return 0, priceds, nil, err
+		return false, 0, priceds, nil, err
 	}
-	if _, priceds, err = plan[resources.ResourceInterface](tools.DATA_RESOURCE, wf, priceds, request,
-		wf.Graph.IsData, func(res resources.ResourceInterface, priced pricing.PricedItemITF) (time.Time, float64) {
-			return start, 0
-		}, func(started time.Time, duration float64) *time.Time {
-			return end
+	if _, priceds, err = plan[resources.ResourceInterface](tools.NATIVE_TOOL, instances, partnerships, buyings, strategies, bookingMode, wf, priceds, request,
+		wf.Graph.IsNativeTool, func(res resources.ResourceInterface, priced pricing.PricedItemITF) (time.Time, float64, error) {
+			return start, 0, nil
+		}, func(started time.Time, duration float64) (*time.Time, error) {
+			return end, nil
 		}); err != nil {
-		return 0, priceds, nil, err
+		return false, 0, priceds, nil, err
 	}
-	for k, f := range map[tools.DataType]func(graph.GraphItem) bool{tools.STORAGE_RESOURCE: wf.Graph.IsStorage, tools.COMPUTE_RESOURCE: wf.Graph.IsCompute} {
-		if _, priceds, err = plan[resources.ResourceInterface](k, wf, priceds, request,
-			f, func(res resources.ResourceInterface, priced pricing.PricedItemITF) (time.Time, float64) {
-				nearestStart, longestDuration := wf.Graph.GetAverageTimeRelatedToProcessingActivity(start, ps, res, func(i graph.GraphItem) (r resources.ResourceInterface) {
+	if _, priceds, err = plan[resources.ResourceInterface](tools.DATA_RESOURCE, instances, partnerships, buyings, strategies, bookingMode, wf, priceds, request,
+		wf.Graph.IsData, func(res resources.ResourceInterface, priced pricing.PricedItemITF) (time.Time, float64, error) {
+			return start, 0, nil
+		}, func(started time.Time, duration float64) (*time.Time, error) {
+			return end, nil
+		}); err != nil {
+		return false, 0, priceds, nil, err
+	}
+	for k, f := range map[tools.DataType]func(graph.GraphItem) bool{tools.STORAGE_RESOURCE: wf.Graph.IsStorage,
+		tools.COMPUTE_RESOURCE: wf.Graph.IsCompute} {
+		if _, priceds, err = plan[resources.ResourceInterface](k, instances, partnerships, buyings, strategies, bookingMode, wf, priceds, request,
+			f, func(res resources.ResourceInterface, priced pricing.PricedItemITF) (time.Time, float64, error) {
+				nearestStart, longestDuration, err := wf.Graph.GetAverageTimeRelatedToProcessingActivity(start, ps, res, func(i graph.GraphItem) (r resources.ResourceInterface) {
 					if f(i) {
 						_, r = i.GetResource()
 					}
 					return r
-				}, request)
-				return start.Add(time.Duration(nearestStart) * time.Second), longestDuration
-			}, func(started time.Time, duration float64) *time.Time {
+				}, *instances.Get(res.GetID()), *partnerships.Get(res.GetID()),
+					*buyings.Get(res.GetID()), *strategies.Get(res.GetID()), bookingMode, request)
+				if err != nil {
+					return start, longestDuration, err
+				}
+				return start.Add(time.Duration(nearestStart) * time.Second), longestDuration, nil
+			}, func(started time.Time, duration float64) (*time.Time, error) {
 				s := started.Add(time.Duration(duration))
-				return &s
+				return &s, nil
 			}); err != nil {
-			return 0, priceds, nil, err
+			return false, 0, priceds, nil, err
 		}
 	}
 	longest := common.GetPlannerLongestTime(end, priceds, request)
-	if _, priceds, err = plan[resources.ResourceInterface](tools.WORKFLOW_RESOURCE, wf, priceds, request, wf.Graph.IsWorkflow,
-		func(res resources.ResourceInterface, priced pricing.PricedItemITF) (time.Time, float64) {
+	if _, priceds, err = plan[resources.ResourceInterface](tools.WORKFLOW_RESOURCE, instances, partnerships, buyings, strategies,
+		bookingMode, wf, priceds, request, wf.Graph.IsWorkflow,
+		func(res resources.ResourceInterface, priced pricing.PricedItemITF) (time.Time, float64, error) {
 			start := start.Add(time.Duration(common.GetPlannerNearestStart(start, priceds, request)) * time.Second)
 			longest := float64(-1)
 			r, code, err := res.GetAccessor(request).LoadOne(res.GetID())
 			if code != 200 || err != nil {
-				return start, longest
+				return start, longest, err
 			}
-			if neoLongest, _, _, err := r.(*Workflow).Planify(start, end, request); err != nil {
-				return start, longest
+			_, neoLongest, priceds2, _, err := r.(*Workflow).Planify(start, end, instances, partnerships, buyings, strategies, bookingMode, request)
+			// should ... import priced
+			if err != nil {
+				return start, longest, err
 			} else if neoLongest > longest {
 				longest = neoLongest
 			}
-			return start.Add(time.Duration(common.GetPlannerNearestStart(start, priceds, request)) * time.Second), longest
-		}, func(start time.Time, longest float64) *time.Time {
+			for k, v := range priceds2 {
+				if priceds[k] == nil {
+					priceds[k] = map[string]pricing.PricedItemITF{}
+				}
+				for k2, v2 := range v {
+					if priceds[k][k2] != nil {
+						v2.AddQuantity(priceds[k][k2].GetQuantity())
+					}
+
+				}
+			}
+			return start.Add(time.Duration(common.GetPlannerNearestStart(start, priceds, request)) * time.Second), longest, nil
+		}, func(start time.Time, longest float64) (*time.Time, error) {
 			s := start.Add(time.Duration(longest) * time.Second)
-			return &s
+			return &s, nil
 		}); err != nil {
-		return 0, priceds, nil, err
+		return false, 0, priceds, nil, err
 	}
-	return longest, priceds, wf, nil
+	isPreemptible := true
+	for _, first := range wf.GetFirstItems() {
+		_, res := first.GetResource()
+		if res.GetBookingModes()[booking.PREEMPTED] == nil {
+			isPreemptible = false
+			break
+		}
+	}
+	return isPreemptible, longest, priceds, wf, nil
 }

 // Returns a map of DataType (processing,computing,data,storage,worfklow) where each resource (identified by its UUID)
@@ -511,8 +604,10 @@ func (w *Workflow) GetItemsByResources() map[tools.DataType]map[string][]string
 }

 func plan[T resources.ResourceInterface](
-	dt tools.DataType, wf *Workflow, priceds map[tools.DataType]map[string]pricing.PricedItemITF, request *tools.APIRequest,
-	f func(graph.GraphItem) bool, start func(resources.ResourceInterface, pricing.PricedItemITF) (time.Time, float64), end func(time.Time, float64) *time.Time) ([]T, map[tools.DataType]map[string]pricing.PricedItemITF, error) {
+	dt tools.DataType, instances ConfigItem, partnerships ConfigItem, buyings ConfigItem, strategies ConfigItem, bookingMode int, wf *Workflow, priceds map[tools.DataType]map[string]pricing.PricedItemITF, request *tools.APIRequest,
+	f func(graph.GraphItem) bool,
+	start func(resources.ResourceInterface, pricing.PricedItemITF) (time.Time, float64, error),
+	end func(time.Time, float64) (*time.Time, error)) ([]T, map[tools.DataType]map[string]pricing.PricedItemITF, error) {
 	resources := []T{}
 	for _, item := range wf.GetGraphItems(f) {
 		if priceds[dt] == nil {
@@ -522,23 +617,34 @@ func plan[T resources.ResourceInterface](
 		if realItem == nil {
 			return resources, priceds, errors.New("could not load the processing resource")
 		}
-		priced := realItem.ConvertToPricedResource(dt, request)
+		priced, err := realItem.ConvertToPricedResource(dt, instances.Get(realItem.GetID()),
+			partnerships.Get(realItem.GetID()), buyings.Get(realItem.GetID()), strategies.Get(realItem.GetID()), &bookingMode, request)
+		if err != nil {
+			return resources, priceds, err
+		}
 		// Should be commented once the Pricing selection feature has been implemented, related to the commit d35ad440fa77763ec7f49ab34a85e47e75581b61
 		// if priced.SelectPricing() == nil {
 		// 	return resources, priceds, errors.New("no pricings are selected... can't proceed")
 		// }
-		started, duration := start(realItem, priced)
+		started, duration, err := start(realItem, priced)
+		if err != nil {
+			return resources, priceds, err
+		}
 		priced.SetLocationStart(started)
 		if duration >= 0 {
-			if e := end(started, duration); e != nil {
+			if e, err := end(started, duration); err == nil && e != nil {
 				priced.SetLocationEnd(*e)
 			}
 		}
-		if e := end(started, priced.GetExplicitDurationInS()); e != nil {
+		if e, err := end(started, priced.GetExplicitDurationInS()); err != nil && e != nil {
 			priced.SetLocationEnd(*e)
 		}
 		resources = append(resources, realItem.(T))
+		if priceds[dt][item.ID] != nil {
+			priced.AddQuantity(priceds[dt][item.ID].GetQuantity())
+		}
 		priceds[dt][item.ID] = priced
+
 	}
 	return resources, priceds, nil
 }
--- a/models/workflow_execution/tests/workflow_scheduler_test.go
+++ b/models/workflow_execution/tests/workflow_scheduler_test.go
@@ -1,149 +0,0 @@
-package workflow_execution_test
-
-import (
-	"testing"
-	"time"
-
-	"cloud.o-forge.io/core/oc-lib/models/common/enum"
-	"cloud.o-forge.io/core/oc-lib/models/utils"
-	"cloud.o-forge.io/core/oc-lib/models/workflow"
-	"cloud.o-forge.io/core/oc-lib/models/workflow_execution"
-
-	"github.com/google/uuid"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/mock"
-)
-
-type MockAccessor struct {
-	mock.Mock
-}
-
-func (m *MockAccessor) LoadOne(id string) (interface{}, int, error) {
-	args := m.Called(id)
-	return args.Get(0), args.Int(1), args.Error(2)
-}
-
-func TestNewScheduler_ValidInput(t *testing.T) {
-	s := "2025-06-16T15:00:00"
-	e := "2025-06-16T17:00:00"
-	dur := 7200.0
-	cronStr := "0 0 * * * *"
-
-	sched := workflow_execution.NewScheduler(s, e, dur, cronStr)
-
-	assert.NotNil(t, sched)
-	assert.Equal(t, dur, sched.DurationS)
-	assert.Equal(t, cronStr, sched.Cron)
-}
-
-func TestNewScheduler_InvalidStart(t *testing.T) {
-	s := "invalid"
-	e := "2025-06-16T17:00:00"
-	dur := 7200.0
-	cronStr := "0 0 * * * *"
-
-	sched := workflow_execution.NewScheduler(s, e, dur, cronStr)
-	assert.Nil(t, sched)
-}
-
-func TestNewScheduler_InvalidEnd(t *testing.T) {
-	s := "2025-06-16T15:00:00"
-	e := "invalid"
-	dur := 7200.0
-	cronStr := "0 0 * * * *"
-
-	sched := workflow_execution.NewScheduler(s, e, dur, cronStr)
-	assert.NotNil(t, sched)
-	assert.Nil(t, sched.End)
-}
-
-func TestGetDates_NoCron(t *testing.T) {
-	start := time.Now()
-	end := start.Add(2 * time.Hour)
-
-	s := &workflow_execution.WorkflowSchedule{
-		Start: start,
-		End:   &end,
-	}
-
-	schedule, err := s.GetDates()
-
-	assert.NoError(t, err)
-	assert.Len(t, schedule, 1)
-	assert.Equal(t, start, schedule[0].Start)
-	assert.Equal(t, end, *schedule[0].End)
-}
-
-func TestGetDates_InvalidCron(t *testing.T) {
-	start := time.Now()
-	end := start.Add(2 * time.Hour)
-
-	s := &workflow_execution.WorkflowSchedule{
-		Start: start,
-		End:   &end,
-		Cron:  "bad cron",
-	}
-
-	_, err := s.GetDates()
-	assert.Error(t, err)
-}
-
-func TestGetDates_ValidCron(t *testing.T) {
-	start := time.Now()
-	end := start.Add(10 * time.Minute)
-
-	s := &workflow_execution.WorkflowSchedule{
-		Start:     start,
-		End:       &end,
-		DurationS: 60,
-		Cron:      "0 */2 * * * *",
-	}
-
-	dates, err := s.GetDates()
-	assert.NoError(t, err)
-	assert.Greater(t, len(dates), 0)
-}
-
-func TestGetExecutions_Success(t *testing.T) {
-	start := time.Now()
-	end := start.Add(1 * time.Hour)
-	ws := &workflow_execution.WorkflowSchedule{
-		UUID:  uuid.New().String(),
-		Start: start,
-		End:   &end,
-	}
-
-	wf := &workflow.Workflow{
-		AbstractObject: utils.AbstractObject{
-			UUID: uuid.New().String(),
-			Name: "TestWorkflow",
-		},
-	}
-
-	execs, err := ws.GetExecutions(wf)
-	assert.NoError(t, err)
-	assert.Greater(t, len(execs), 0)
-	assert.Equal(t, wf.UUID, execs[0].WorkflowID)
-	assert.Equal(t, ws.UUID, execs[0].ExecutionsID)
-	assert.Equal(t, enum.DRAFT, execs[0].State)
-}
-
-func TestSchedules_NoRequest(t *testing.T) {
-	ws := &workflow_execution.WorkflowSchedule{}
-
-	ws, wf, execs, err := ws.Schedules("someID", nil)
-	assert.Error(t, err)
-	assert.Nil(t, wf)
-	assert.Len(t, execs, 0)
-	assert.Equal(t, ws, ws)
-}
-
-// Additional test stubs to be completed with gomock usage for:
-// - CheckBooking
-// - BookExecs
-// - getBooking
-// - Schedules (success path)
-// - Planify mocking in CheckBooking
-// - Peer interaction in BookExecs
-// - Caller deep copy errors in getCallerCopy
-// Will be continued...
--- a/models/workflow_execution/tests/workflow_test.go
+++ b/models/workflow_execution/tests/workflow_test.go
@@ -9,8 +9,18 @@ import (
 	"cloud.o-forge.io/core/oc-lib/models/workflow_execution"
 	"cloud.o-forge.io/core/oc-lib/tools"
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
 )

+type MockAccessor struct {
+	mock.Mock
+}
+
+func (m *MockAccessor) LoadOne(id string) (interface{}, int, error) {
+	args := m.Called(id)
+	return args.Get(0), args.Int(1), args.Error(2)
+}
+
 func (m *MockAccessor) DeleteOne(id string) (utils.DBObject, int, error) {
 	args := m.Called(id)
 	return nil, args.Int(1), args.Error(2)
@@ -93,7 +103,7 @@ func TestGetName_ReturnsCorrectFormat(t *testing.T) {

 func TestVerifyAuth_AlwaysTrue(t *testing.T) {
 	exec := &workflow_execution.WorkflowExecution{}
-	assert.True(t, exec.VerifyAuth(nil))
+	assert.True(t, exec.VerifyAuth("get", nil))
 }

 func TestUpdateOne_RejectsZeroState(t *testing.T) {
--- a/models/workflow_execution/workflow_execution.go
+++ b/models/workflow_execution/workflow_execution.go
@@ -23,6 +23,7 @@ import (
 */
 type WorkflowExecution struct {
 	utils.AbstractObject                                // AbstractObject contains the basic fields of an object (id, name)
+	Priority             int                            `json:"priority" bson:"priority"`                                         // will best effort on default                                    // Will Best Effort on priority
 	PeerBuyByGraph       map[string]map[string][]string `json:"peer_buy_by_graph,omitempty" bson:"peer_buy_by_graph,omitempty"`   // BookByResource is a map of the resource id and the list of the booking id
 	PeerBookByGraph      map[string]map[string][]string `json:"peer_book_by_graph,omitempty" bson:"peer_book_by_graph,omitempty"` // BookByResource is a map of the resource id and the list of the booking id
 	ExecutionsID         string                         `json:"executions_id,omitempty" bson:"executions_id,omitempty"`
@@ -108,7 +109,7 @@ func (d *WorkflowExecution) GetAccessor(request *tools.APIRequest) utils.Accesso
 	return NewAccessor(request) // Create a new instance of the accessor
 }

-func (d *WorkflowExecution) VerifyAuth(request *tools.APIRequest) bool {
+func (d *WorkflowExecution) VerifyAuth(callName string, request *tools.APIRequest) bool {
 	return true
 }

--- a/models/workflow_execution/workflow_scheduler.go
+++ b/models/workflow_execution/workflow_scheduler.go
@@ -1,321 +0,0 @@
-package workflow_execution
-
-import (
-	"errors"
-	"fmt"
-	"strings"
-	"sync"
-	"time"
-
-	"cloud.o-forge.io/core/oc-lib/models/bill"
-	"cloud.o-forge.io/core/oc-lib/models/booking"
-	"cloud.o-forge.io/core/oc-lib/models/common/enum"
-	"cloud.o-forge.io/core/oc-lib/models/common/pricing"
-	"cloud.o-forge.io/core/oc-lib/models/order"
-	"cloud.o-forge.io/core/oc-lib/models/peer"
-	"cloud.o-forge.io/core/oc-lib/models/resources/purchase_resource"
-	"cloud.o-forge.io/core/oc-lib/models/utils"
-	"cloud.o-forge.io/core/oc-lib/models/workflow"
-	"cloud.o-forge.io/core/oc-lib/tools"
-	"github.com/google/uuid"
-	"github.com/robfig/cron"
-)
-
-/*
-* 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
- */
-// it's a flying object only use in a session time. It's not stored in the database
-type WorkflowSchedule struct {
-	UUID              string               `json:"id" validate:"required"`                // ExecutionsID is the list of the executions id of the workflow
-	Workflow          *workflow.Workflow   `json:"workflow,omitempty"`                    // Workflow is the workflow dependancy of the schedule
-	WorkflowExecution []*WorkflowExecution `json:"workflow_executions,omitempty"`         // WorkflowExecution is the list of executions of the workflow
-	Message           string               `json:"message,omitempty"`                     // Message is the message of the schedule
-	Warning           string               `json:"warning,omitempty"`                     // Warning is the warning message of the schedule
-	Start             time.Time            `json:"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"`                         // End is the end time of the schedule, is required and must be greater than the Start time
-	DurationS         float64              `json:"duration_s" default:"-1"`               // End is the end time of the schedule
-	Cron              string               `json:"cron,omitempty"`                        // here the cron format : ss mm hh dd MM dw task
-
-	SelectedBillingStrategy pricing.BillingStrategy `json:"selected_billing_strategy"`
-}
-
-func NewScheduler(start string, end string, durationInS float64, cron string) *WorkflowSchedule {
-	s, err := time.Parse("2006-01-02T15:04:05", start)
-	if err != nil {
-		return nil
-	}
-	ws := &WorkflowSchedule{
-		UUID:      uuid.New().String(),
-		Start:     s,
-		DurationS: durationInS,
-		Cron:      cron,
-	}
-	e, err := time.Parse("2006-01-02T15:04:05", end)
-	if err == nil {
-		ws.End = &e
-	}
-	return ws
-}
-
-func (ws *WorkflowSchedule) GetBuyAndBook(wfID string, request *tools.APIRequest) (bool, *workflow.Workflow, []*WorkflowExecution, []*purchase_resource.PurchaseResource, []*booking.Booking, error) {
-	if request.Caller == nil && request.Caller.URLS == nil && request.Caller.URLS[tools.BOOKING] == nil || request.Caller.URLS[tools.BOOKING][tools.GET] == "" {
-		return false, nil, []*WorkflowExecution{}, []*purchase_resource.PurchaseResource{}, []*booking.Booking{}, errors.New("no caller defined")
-	}
-	access := workflow.NewAccessor(request)
-	res, code, err := access.LoadOne(wfID)
-	if code != 200 {
-		return false, nil, []*WorkflowExecution{}, []*purchase_resource.PurchaseResource{}, []*booking.Booking{}, errors.New("could not load the workflow with id: " + err.Error())
-	}
-	wf := res.(*workflow.Workflow)
-	longest, priceds, wf, err := wf.Planify(ws.Start, ws.End, request)
-	if err != nil {
-		return false, wf, []*WorkflowExecution{}, []*purchase_resource.PurchaseResource{}, []*booking.Booking{}, err
-	}
-	ws.DurationS = longest
-	ws.Message = "We estimate that the workflow will start at " + ws.Start.String() + " and last " + fmt.Sprintf("%v", ws.DurationS) + " seconds."
-	if ws.End != nil && ws.Start.Add(time.Duration(longest)*time.Second).After(*ws.End) {
-		ws.Warning = "The workflow may be too long to be executed in the given time frame, we will try to book it anyway\n"
-	}
-	execs, err := ws.GetExecutions(wf)
-	if err != nil {
-		return false, wf, []*WorkflowExecution{}, []*purchase_resource.PurchaseResource{}, []*booking.Booking{}, err
-	}
-	purchased := []*purchase_resource.PurchaseResource{}
-	bookings := []*booking.Booking{}
-	for _, exec := range execs {
-		purchased = append(purchased, exec.Buy(ws.SelectedBillingStrategy, ws.UUID, wfID, priceds)...)
-		bookings = append(bookings, exec.Book(ws.UUID, wfID, priceds)...)
-	}
-
-	errCh := make(chan error, len(bookings))
-	var m sync.Mutex
-
-	for _, b := range bookings {
-		go getBooking(b, request, errCh, &m)
-	}
-
-	for i := 0; i < len(bookings); i++ {
-		if err := <-errCh; err != nil {
-			return false, wf, execs, purchased, bookings, err
-		}
-	}
-
-	return true, wf, execs, purchased, bookings, nil
-}
-
-func (ws *WorkflowSchedule) GenerateOrder(purchases []*purchase_resource.PurchaseResource, bookings []*booking.Booking, request *tools.APIRequest) error {
-	newOrder := &order.Order{
-		AbstractObject: utils.AbstractObject{
-			Name:    "order_" + request.PeerID + "_" + time.Now().UTC().Format("2006-01-02T15:04:05"),
-			IsDraft: true,
-		},
-		ExecutionsID: ws.UUID,
-		Purchases:    purchases,
-		Bookings:     bookings,
-		Status:       enum.PENDING,
-	}
-	if res, _, err := order.NewAccessor(request).StoreOne(newOrder); err == nil {
-		if _, err := bill.DraftFirstBill(res.(*order.Order), request); err != nil {
-			return err
-		}
-		return nil
-	} else {
-		return err
-	}
-}
-
-func getBooking(b *booking.Booking, request *tools.APIRequest, errCh chan error, m *sync.Mutex) {
-	m.Lock()
-	c, err := getCallerCopy(request, errCh)
-	if err != nil {
-		errCh <- err
-		return
-	}
-	m.Unlock()
-
-	meth := c.URLS[tools.BOOKING][tools.GET]
-	meth = strings.ReplaceAll(meth, ":id", b.ResourceID)
-	meth = strings.ReplaceAll(meth, ":start_date", b.ExpectedStartDate.Format("2006-01-02T15:04:05"))
-	meth = strings.ReplaceAll(meth, ":end_date", b.ExpectedEndDate.Format("2006-01-02T15:04:05"))
-	c.URLS[tools.BOOKING][tools.GET] = meth
-	_, err = (&peer.Peer{}).LaunchPeerExecution(b.DestPeerID, b.ResourceID, tools.BOOKING, tools.GET, nil, &c)
-
-	if err != nil {
-		errCh <- fmt.Errorf("error on " + b.DestPeerID + err.Error())
-		return
-	}
-
-	errCh <- nil
-}
-
-func getCallerCopy(request *tools.APIRequest, errCh chan error) (tools.HTTPCaller, error) {
-	var c tools.HTTPCaller
-	err := request.Caller.DeepCopy(c)
-	if err != nil {
-		errCh <- err
-		return tools.HTTPCaller{}, nil
-	}
-	c.URLS = request.Caller.URLS
-	return c, err
-}
-
-func (ws *WorkflowSchedule) Schedules(wfID string, request *tools.APIRequest) (*WorkflowSchedule, *workflow.Workflow, []*WorkflowExecution, error) {
-	if request == nil {
-		return ws, nil, []*WorkflowExecution{}, errors.New("no request found")
-	}
-	c := request.Caller
-	if c == nil || c.URLS == nil || c.URLS[tools.BOOKING] == nil {
-		return ws, nil, []*WorkflowExecution{}, errors.New("no caller defined")
-	}
-	methods := c.URLS[tools.BOOKING]
-	if _, ok := methods[tools.GET]; !ok {
-		return ws, nil, []*WorkflowExecution{}, errors.New("no path found")
-	}
-	ok, wf, executions, purchases, bookings, err := ws.GetBuyAndBook(wfID, request)
-	ws.WorkflowExecution = executions
-	if !ok || err != nil {
-		return ws, nil, executions, errors.New("could not book the workflow : " + fmt.Sprintf("%v", err))
-	}
-	ws.Workflow = wf
-
-	var errCh = make(chan error, len(bookings))
-	var m sync.Mutex
-
-	for _, purchase := range purchases {
-		go ws.CallDatacenter(purchase, purchase.DestPeerID, tools.PURCHASE_RESOURCE, request, errCh, &m)
-	}
-	for i := 0; i < len(purchases); i++ {
-		if err := <-errCh; err != nil {
-			return ws, wf, executions, errors.New("could not launch the peer execution : " + fmt.Sprintf("%v", err))
-		}
-	}
-
-	errCh = make(chan error, len(bookings))
-
-	for _, booking := range bookings {
-		go ws.CallDatacenter(booking, booking.DestPeerID, tools.BOOKING, request, errCh, &m)
-	}
-
-	for i := 0; i < len(bookings); i++ {
-		if err := <-errCh; err != nil {
-			return ws, wf, executions, errors.New("could not launch the peer execution : " + fmt.Sprintf("%v", err))
-		}
-	}
-
-	if err := ws.GenerateOrder(purchases, bookings, request); err != nil {
-		return ws, wf, executions, err
-	}
-
-	fmt.Println("Schedules")
-	for _, exec := range executions {
-		err := exec.PurgeDraft(request)
-		if err != nil {
-			return ws, nil, []*WorkflowExecution{}, errors.New("purge draft" + fmt.Sprintf("%v", err))
-		}
-		exec.StoreDraftDefault()
-		utils.GenericStoreOne(exec, NewAccessor(request))
-	}
-	fmt.Println("Schedules")
-	return ws, wf, executions, nil
-}
-
-func (ws *WorkflowSchedule) CallDatacenter(purchase utils.DBObject, destPeerID string, dt tools.DataType, request *tools.APIRequest, errCh chan error, m *sync.Mutex) {
-	m.Lock()
-	c, err := getCallerCopy(request, errCh)
-	if err != nil {
-		errCh <- err
-		return
-	}
-	m.Unlock()
-	if res, err := (&peer.Peer{}).LaunchPeerExecution(destPeerID, "", dt, tools.POST, purchase.Serialize(purchase), &c); err != nil {
-		errCh <- err
-		return
-	} else {
-		data := res["data"].(map[string]interface{})
-		purchase.SetID(fmt.Sprintf("%v", data["id"]))
-	}
-	errCh <- nil
-}
-
-/*
-BOOKING IMPLIED TIME, not of subscription but of execution
-so is processing time execution time applied on computes
-data can improve the processing time
-time should implied a security time border (10sec) if not from the same executions
-VERIFY THAT WE HANDLE DIFFERENCE BETWEEN LOCATION TIME && BOOKING
-*/
-
-/*
-* getExecutions is a function that returns the executions of a workflow
-* it returns an array of workflow_execution.WorkflowExecution
- */
-func (ws *WorkflowSchedule) GetExecutions(workflow *workflow.Workflow) ([]*WorkflowExecution, error) {
-	workflows_executions := []*WorkflowExecution{}
-	dates, err := ws.GetDates()
-	if err != nil {
-		return workflows_executions, err
-	}
-	for _, date := range dates {
-		obj := &WorkflowExecution{
-			AbstractObject: utils.AbstractObject{
-				UUID: uuid.New().String(),                                 // set the uuid of the execution
-				Name: workflow.Name + "_execution_" + date.Start.String(), // set the name of the execution
-			},
-			ExecutionsID: ws.UUID,
-			ExecDate:     date.Start,       // set the execution date
-			EndDate:      date.End,         // set the end date
-			State:        enum.DRAFT,       // set the state to 1 (scheduled)
-			WorkflowID:   workflow.GetID(), // set the workflow id dependancy of the execution
-		}
-		workflows_executions = append(workflows_executions, obj)
-	}
-	return workflows_executions, nil
-}
-
-func (ws *WorkflowSchedule) GetDates() ([]Schedule, error) {
-	schedule := []Schedule{}
-	if len(ws.Cron) > 0 { // if cron is set then end date should be set
-		if ws.End == nil {
-			return schedule, errors.New("a cron task should have an end date")
-		}
-		if ws.DurationS <= 0 {
-			ws.DurationS = ws.End.Sub(ws.Start).Seconds()
-		}
-		cronStr := strings.Split(ws.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 schedule, errors.New("Bad cron message: (" + ws.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 schedule, errors.New("Bad cron message: " + err.Error())
-		}
-		// loop through the cron schedule to set the executions
-		for s := sched.Next(ws.Start); !s.IsZero() && s.Before(*ws.End); s = sched.Next(s) {
-			e := s.Add(time.Duration(ws.DurationS) * time.Second)
-			schedule = append(schedule, Schedule{
-				Start: s,
-				End:   &e,
-			})
-		}
-	} else { // if no cron, set the execution to the start date
-		schedule = append(schedule, Schedule{
-			Start: ws.Start,
-			End:   ws.End,
-		})
-	}
-	return schedule, nil
-}
-
-type Schedule struct {
-	Start time.Time
-	End   *time.Time
-}
-
-/*
-* TODO : LARGEST GRAIN PLANIFYING THE WORKFLOW WHEN OPTION IS SET
-* SET PROTECTION BORDER TIME
- */
--- a/models/workspace/workspace.go
+++ b/models/workspace/workspace.go
@@ -20,13 +20,13 @@ func (d *Workspace) GetAccessor(request *tools.APIRequest) utils.Accessor {
 	return NewAccessor(request) // Create a new instance of the accessor
 }

-func (ao *Workspace) VerifyAuth(request *tools.APIRequest) bool {
+func (ao *Workspace) VerifyAuth(callName string, request *tools.APIRequest) bool {
 	if ao.Shared != "" {
 		shared, code, _ := shallow_collaborative_area.NewAccessor(request).LoadOne(ao.Shared)
 		if code != 200 || shared == nil {
 			return false
 		}
-		return shared.VerifyAuth(request)
+		return shared.VerifyAuth(callName, request)
 	}
-	return ao.AbstractObject.VerifyAuth(request)
+	return ao.AbstractObject.VerifyAuth(callName, request)
 }
--- a/tools/api.go
+++ b/tools/api.go
@@ -16,6 +16,7 @@ type APIRequest struct {
 	PeerID   string
 	Groups   []string
 	Caller   *HTTPCaller
+	Admin    bool
 }

 /*
--- a/tools/enums.go
+++ b/tools/enums.go
@@ -31,6 +31,7 @@ const (
 	BILL
 	MINIO_SVCACC
 	MINIO_SVCACC_SECRET
+	NATIVE_TOOL
 )

 var NOAPI = ""
@@ -77,6 +78,7 @@ var DefaultAPI = [...]string{
 	NOAPI,
 	MINIO,
 	MINIO,
+	CATALOGAPI,
 }

 // Bind the standard data name to the data type
@@ -108,6 +110,7 @@ var Str = [...]string{
 	"bill",
 	"service_account",
 	"secret",
+	"native_tool",
 }

 func FromInt(i int) string {
@@ -131,5 +134,5 @@ func DataTypeList() []DataType {
 	return []DataType{DATA_RESOURCE, PROCESSING_RESOURCE, STORAGE_RESOURCE, COMPUTE_RESOURCE, WORKFLOW_RESOURCE,
 		WORKFLOW, WORKFLOW_EXECUTION, WORKSPACE, PEER, COLLABORATIVE_AREA, RULE, BOOKING, WORKFLOW_HISTORY, WORKSPACE_HISTORY,
 		ORDER, PURCHASE_RESOURCE, ADMIRALTY_SOURCE, ADMIRALTY_TARGET, ADMIRALTY_SECRET, ADMIRALTY_KUBECONFIG, ADMIRALTY_NODES,
-		LIVE_DATACENTER, LIVE_STORAGE, BILL}
+		LIVE_DATACENTER, LIVE_STORAGE, BILL, NATIVE_TOOL}
 }
Author	SHA1	Message	Date
mr	5cdfc28d2f	delete scheduler	2026-01-13 16:53:25 +01:00
mr	6d745fe922	add event base intelligency	2026-01-13 16:04:31 +01:00