workflow partial allows

models/workflow/graph/graph.go

@@ -9,9 +9,29 @@ import (
 
 // Graph is a struct that represents a graph
 type Graph struct {
-	Zoom  float64              `bson:"zoom" json:"zoom" default:"1"`                        // Zoom is the graphical zoom of the graph
-	Items map[string]GraphItem `bson:"items" json:"items" default:"{}" validate:"required"` // Items is the list of elements in the graph
-	Links []GraphLink          `bson:"links" json:"links" default:"{}" validate:"required"` // Links is the list of links between elements in the graph
+	Partial bool                 `json:"partial" default:"false"`                             // Partial is a flag that indicates if the graph is partial
+	Zoom    float64              `bson:"zoom" json:"zoom" default:"1"`                        // Zoom is the graphical zoom of the graph
+	Items   map[string]GraphItem `bson:"items" json:"items" default:"{}" validate:"required"` // Items is the list of elements in the graph
+	Links   []GraphLink          `bson:"links" json:"links" default:"{}" validate:"required"` // Links is the list of links between elements in the graph
+}
+
+func (g *Graph) Clear(id string) {
+	realItems := map[string]GraphItem{}
+	for k, it := range g.Items {
+		if k == id {
+			realinks := []GraphLink{}
+			for _, link := range g.Links {
+				if link.Source.ID != id && link.Destination.ID != id {
+					realinks = append(realinks, link)
+				}
+			}
+			g.Links = realinks
+			g.Partial = true
+		} else {
+			realItems[k] = it
+		}
+	}
+	g.Items = realItems
 }
 
 func (wf *Graph) IsProcessing(item GraphItem) bool {

models/workflow/graph/item.go

@@ -28,3 +28,11 @@ func (g *GraphItem) GetResource() (tools.DataType, resources.ResourceInterface)
 	}
 	return tools.INVALID, nil
 }
+
+func (g *GraphItem) Clear() {
+	g.Data = nil
+	g.Compute = nil
+	g.Workflow = nil
+	g.Processing = nil
+	g.Storage = nil
+}