diff --git a/controllers/workflow.go b/controllers/workflow.go
index 8da2472..47e62c8 100644
--- a/controllers/workflow.go
+++ b/controllers/workflow.go
@@ -2,8 +2,12 @@ package controllers
 
 import (
 	"encoding/json"
+	"errors"
+	"time"
 
 	oclib "cloud.o-forge.io/core/oc-lib"
+	w "cloud.o-forge.io/core/oc-lib/models/workflow"
+	tools "cloud.o-forge.io/core/oc-lib/tools"
 	beego "github.com/beego/beego/v2/server/web"
 )
 
@@ -35,7 +39,9 @@ func (o *WorkflowController) Put() {
 	var res map[string]interface{}
 	id := o.Ctx.Input.Param(":id")
 	json.Unmarshal(o.Ctx.Input.CopyBody(10000), &res)
-	o.Data["json"] = oclib.UpdateOne(oclib.LibDataEnum(oclib.WORKFLOW), res, id)
+	caller := tools.NewHTTPCaller("", "", "", oclib.GetPath(oclib.LibDataEnum(oclib.BOOKING))+"/oc/booking")
+
+	o.Data["json"] = oclib.UpdateOne(oclib.LibDataEnum(oclib.WORKFLOW), res, id, caller)
 	o.ServeJSON()
 }
 
@@ -47,7 +53,8 @@ func (o *WorkflowController) Put() {
 func (o *WorkflowController) Post() {
 	var res map[string]interface{}
 	json.Unmarshal(o.Ctx.Input.CopyBody(10000), &res)
-	o.Data["json"] = oclib.StoreOne(oclib.LibDataEnum(oclib.WORKFLOW), res)
+	caller := tools.NewHTTPCaller("", "", "", oclib.GetPath(oclib.LibDataEnum(oclib.BOOKING))+"/oc/booking")
+	o.Data["json"] = oclib.StoreOne(oclib.LibDataEnum(oclib.WORKFLOW), res, caller)
 	o.ServeJSON()
 }
 
@@ -97,3 +104,40 @@ func (o *WorkflowController) Delete() {
 	o.Data["json"] = oclib.DeleteOne(oclib.LibDataEnum(oclib.WORKFLOW), id)
 	o.ServeJSON()
 }
+
+// @Title Check
+// @Description check booking
+// @Param	start_date		path 	string		"the booking start date" format "2006-01-02T15:04:05"
+// @Param	end_date		path 	string		"the booking end date" format "2006-01-02T15:04:05"
+// @Success 200 {object} models.object
+// @router /check/:start_date/:end_date [get]
+func (o *WorkflowController) Check() {
+	// store and return Id or post with UUID
+	date, err := time.Parse("2006-01-02T15:04:05", o.Ctx.Input.Param(":start_date"))
+	date2, err2 := time.Parse("2006-01-02T15:04:05", o.Ctx.Input.Param(":end_date"))
+	if err != nil || err2 != nil {
+		o.Data["json"] = map[string]interface{}{
+			"data": map[string]interface{}{
+				"is_available": false,
+			},
+			"code":  400,
+			"error": errors.New("invalid date format"),
+		}
+	} else {
+		workflow := &w.Workflow{}
+		workflow.Schedule = &w.WorkflowSchedule{Start: &date, End: &date2}
+		isAvailable, err := workflow.CheckBooking(oclib.GetPath(oclib.LibDataEnum(oclib.BOOKING)) + "/oc/booking/check/:start_date/:end_date")
+		code := 200
+		if !isAvailable {
+			code = 409
+		}
+		o.Data["json"] = map[string]interface{}{
+			"data": map[string]interface{}{
+				"is_available": isAvailable,
+			},
+			"code":  code,
+			"error": err,
+		}
+	}
+	o.ServeJSON()
+}
diff --git a/controllers/workflow_resource.go b/controllers/workflow_resource.go
deleted file mode 100644
index dfa49e9..0000000
--- a/controllers/workflow_resource.go
+++ /dev/null
@@ -1,83 +0,0 @@
-package controllers
-
-import (
-	"encoding/json"
-
-	oclib "cloud.o-forge.io/core/oc-lib"
-	beego "github.com/beego/beego/v2/server/web"
-)
-
-// Operations about workflow
-type WorkflowResourceController struct {
-	beego.Controller
-}
-
-// @Title Search
-// @Description search workspace
-// @Param	search		path 	string	true		"the word search you want to get"
-// @Success 200 {workspace} models.workspace
-// @router /search/:search [get]
-func (o *WorkflowResourceController) Search() {
-	// store and return Id or post with UUID
-	search := o.Ctx.Input.Param(":search")
-	o.Data["json"] = oclib.Search(nil, search, oclib.LibDataEnum(oclib.WORKFLOW_RESOURCE))
-	o.ServeJSON()
-}
-
-// @Title GetAll
-// @Description find workflow by workflowid
-// @Success 200 {workflow} models.workflow
-// @router / [get]
-func (o *WorkflowResourceController) GetAll() {
-	o.Data["json"] = oclib.LoadAll(oclib.LibDataEnum(oclib.WORKFLOW_RESOURCE))
-	o.ServeJSON()
-}
-
-// @Title Update
-// @Description create workflows
-// @Param	id		path 	string	true		"the workflowid you want to get"
-// @Param	body		body 	models.workflow	true		"The workflow content"
-// @Success 200 {object} models.workflow
-// @router /:id [put]
-func (o *WorkflowResourceController) Put() {
-	// store and return Id or post with UUID
-	var res map[string]interface{}
-	id := o.Ctx.Input.Param(":id")
-	json.Unmarshal(o.Ctx.Input.CopyBody(10000), &res)
-	o.Data["json"] = oclib.UpdateOne(oclib.LibDataEnum(oclib.WORKFLOW_RESOURCE), res, id)
-	o.ServeJSON()
-}
-
-// @Title Create
-// @Description create workflows
-// @Param	data		body 	json	true		"body for data content (Json format)"
-// @Success 200 {object} models.workflow
-// @router / [post]
-func (o *WorkflowResourceController) Post() {
-	var res map[string]interface{}
-	json.Unmarshal(o.Ctx.Input.CopyBody(10000), &res)
-	o.Data["json"] = oclib.StoreOne(oclib.LibDataEnum(oclib.WORKFLOW_RESOURCE), res)
-	o.ServeJSON()
-}
-
-// @Title Get
-// @Description find workflows
-// @Param	id		path 	string	true		"the workflowid you want to get"
-// @Success 200 {workflow} models.workflow
-// @router /:id [get]
-func (o *WorkflowResourceController) Get() {
-	id := o.Ctx.Input.Param(":id")
-	o.Data["json"] = oclib.LoadOne(oclib.LibDataEnum(oclib.WORKFLOW_RESOURCE), id)
-	o.ServeJSON()
-}
-
-// @Title Delete
-// @Description delete the workflow
-// @Param	id		path 	string	true		"The workflowId you want to delete"
-// @Success 200 {string} delete success!
-// @router /:id [delete]
-func (o *WorkflowResourceController) Delete() {
-	id := o.Ctx.Input.Param(":id")
-	o.Data["json"] = oclib.DeleteOne(oclib.LibDataEnum(oclib.WORKFLOW_RESOURCE), id)
-	o.ServeJSON()
-}
diff --git a/docker_workflow.json b/docker_workflow.json
index 5bf4004..68e4a35 100644
--- a/docker_workflow.json
+++ b/docker_workflow.json
@@ -1,4 +1,5 @@
 {
     "MONGO_URL":"mongodb://mongo:27017/", 
-    "MONGO_DATABASE":"DC_myDC"
+    "MONGO_DATABASE":"DC_myDC",
+    "BOOKING_PATH": ":8089"
 }
\ No newline at end of file
diff --git a/go.mod b/go.mod
index 928bd9f..2b04b84 100644
--- a/go.mod
+++ b/go.mod
@@ -11,7 +11,7 @@ require (
 )
 
 require (
-	cloud.o-forge.io/core/oc-lib v0.0.0-20240807165025-9040d141c8ca // indirect
+	cloud.o-forge.io/core/oc-lib v0.0.0-20240812145458-6fe862a9b58c // indirect
 	filippo.io/edwards25519 v1.1.0 // indirect
 	github.com/beego/bee/v2 v2.1.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
@@ -57,6 +57,7 @@ require (
 	github.com/prometheus/common v0.55.0 // indirect
 	github.com/prometheus/procfs v0.15.1 // indirect
 	github.com/rivo/uniseg v0.4.7 // indirect
+	github.com/robfig/cron/v3 v3.0.1 // indirect
 	github.com/rs/zerolog v1.33.0 // indirect
 	github.com/sagikazarmark/locafero v0.6.0 // indirect
 	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
@@ -86,7 +87,7 @@ require (
 	golang.org/x/mod v0.19.0 // indirect
 	golang.org/x/net v0.28.0 // indirect
 	golang.org/x/sync v0.8.0 // indirect
-	golang.org/x/sys v0.23.0 // indirect
+	golang.org/x/sys v0.24.0 // indirect
 	golang.org/x/text v0.17.0 // indirect
 	golang.org/x/tools v0.23.0 // indirect
 	google.golang.org/protobuf v1.34.2 // indirect
diff --git a/go.sum b/go.sum
index 7c02c9d..f19b98a 100644
--- a/go.sum
+++ b/go.sum
@@ -140,6 +140,10 @@ cloud.o-forge.io/core/oc-lib v0.0.0-20240806064253-29fcd0e34a72 h1:JWnarWFrCNWPr
 cloud.o-forge.io/core/oc-lib v0.0.0-20240806064253-29fcd0e34a72/go.mod h1:V5EL+NV2s9P1/BcFm3/icfLeBYVVMLl1Z0F0eecJZGo=
 cloud.o-forge.io/core/oc-lib v0.0.0-20240807165025-9040d141c8ca h1:Cc4kj+Aj2PRzC+1SFvwD/nichwWrerK2evwIn/KFoFk=
 cloud.o-forge.io/core/oc-lib v0.0.0-20240807165025-9040d141c8ca/go.mod h1:V5EL+NV2s9P1/BcFm3/icfLeBYVVMLl1Z0F0eecJZGo=
+cloud.o-forge.io/core/oc-lib v0.0.0-20240812142802-e51377eeb31b h1:ofVT7etkOVW/B9KwJbL1dxbGCuwFwe2aDsMSGEB1Zds=
+cloud.o-forge.io/core/oc-lib v0.0.0-20240812142802-e51377eeb31b/go.mod h1:V5EL+NV2s9P1/BcFm3/icfLeBYVVMLl1Z0F0eecJZGo=
+cloud.o-forge.io/core/oc-lib v0.0.0-20240812145458-6fe862a9b58c h1:5zrkYMNALJfx+S1n8CxUNkpWq4bsSTDm5PG2hbqSg5k=
+cloud.o-forge.io/core/oc-lib v0.0.0-20240812145458-6fe862a9b58c/go.mod h1:V5EL+NV2s9P1/BcFm3/icfLeBYVVMLl1Z0F0eecJZGo=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
 filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
@@ -448,6 +452,8 @@ github.com/rivo/uniseg v0.2.0 h1:S1pD9weZBuJdFmowNwbpi7BJ8TNftyUImj/0WQi72jY=
 github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
 github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
 github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
+github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs=
+github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro=
 github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/rogpeppe/go-internal v1.10.0 h1:TMyTOH3F/DB16zRVcYyreMH6GnZZrwQVAoYjRBZyWFQ=
@@ -665,6 +671,8 @@ golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
 golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/sys v0.23.0 h1:YfKFowiIMvtgl1UERQoTPPToxltDeZfbj4H7dVUCwmM=
 golang.org/x/sys v0.23.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.24.0 h1:Twjiwq9dn6R1fQcyiK+wQyHWfaz/BJB+YIpzU/Cv3Xg=
+golang.org/x/sys v0.24.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
diff --git a/main.go b/main.go
index 34e87bf..f63eeb3 100644
--- a/main.go
+++ b/main.go
@@ -37,6 +37,7 @@ func main() {
 		o.GetStringDefault("MONGO_DATABASE", "DC_myDC"),
 	)
 	oclib.Init("oc-workflow")
+	oclib.AddPath(oclib.LibDataEnum(oclib.BOOKING), o.GetStringDefault("BOOKING_URL", ":8089"))
 	// Normal beego init
 	//if beego.BConfig.RunMode == "dev" {
 	beego.BConfig.WebConfig.DirectoryIndex = true
diff --git a/routers/router.go b/routers/router.go
index f6d0eed..52b7bee 100644
--- a/routers/router.go
+++ b/routers/router.go
@@ -20,11 +20,6 @@ func init() {
 				&controllers.WorkflowController{},
 			),
 		),
-		beego.NSNamespace("/workflow/resource",
-			beego.NSInclude(
-				&controllers.WorkflowResourceController{},
-			),
-		),
 		beego.NSNamespace("/version",
 			beego.NSInclude(
 				&controllers.VersionController{},