1 files changed, 64 insertions, 0 deletions
diff --git a/catalog-ui/src/app/ng2/pages/composition/common/common-graph-data.service.ts b/catalog-ui/src/app/ng2/pages/composition/common/common-graph-data.service.ts
new file mode 100644
index 0000000000..d4caa5e9ed
--- /dev/null
+++ b/catalog-ui/src/app/ng2/pages/composition/common/common-graph-data.service.ts
@@ -0,0 +1,64 @@
+import {Injectable} from "@angular/core";
+import 'rxjs/add/observable/forkJoin';
+import {ComponentInstance} from "../../../../models/componentsInstances/componentInstance";
+import {SelectedComponentType} from "./store/graph.actions";
+import {RelationshipModel} from "../../../../models/graph/relationship";
+
+@Injectable()
+export class CommonGraphDataService {
+
+    public componentInstances: Array<ComponentInstance>;
+    public componentInstancesRelations: RelationshipModel[];
+    public selectedComponentType: SelectedComponentType;
+
+    constructor() {
+    }
+
+    //------------------------ RELATIONS ---------------------------------//
+    public setRelations = (componentInstancesRelations: RelationshipModel[]) => {
+        this.componentInstancesRelations = this.componentInstancesRelations;
+    }
+
+    public getRelations = (): RelationshipModel[] => {
+        return this.componentInstancesRelations;
+    }
+
+    public addRelation = (componentInstancesRelations: RelationshipModel) => {
+        this.componentInstancesRelations.push(componentInstancesRelations);
+    }
+
+    public deleteRelation(relationToDelete: RelationshipModel) {
+        this.componentInstancesRelations = _.filter(this.componentInstancesRelations, (relationship: RelationshipModel) => {
+            return relationship.relationships[0].relation.id !== relationToDelete.relationships[0].relation.id;
+        });
+    }
+
+    //---------------------------- COMPONENT INSTANCES ------------------------------------//
+    public getComponentInstances = (): Array<ComponentInstance> => {
+        return this.componentInstances;
+    }
+
+    public addComponentInstance = (instance: ComponentInstance) => {
+        return this.componentInstances.push(instance);
+    }
+
+    public updateComponentInstances = (componentInstances: ComponentInstance[]) => {
+        _.unionBy(this.componentInstances, componentInstances, 'uniqueId');
+    }
+
+    public updateInstance = (instance: ComponentInstance) => {
+        this.componentInstances = this.componentInstances.map(componentInstance => instance.uniqueId === componentInstance.uniqueId? instance : componentInstance);
+    }
+
+    public deleteComponentInstance(instanceToDelete: string) {
+        this.componentInstances = _.filter(this.componentInstances, (instance: ComponentInstance) => {
+            return instance.uniqueId !== instanceToDelete;
+        });
+    }
+
+    //----------------------------SELECTED COMPONENT -----------------------//
+
+    public setSelectedComponentType = (selectedType: SelectedComponentType) => {
+        this.selectedComponentType = selectedType;
+    }
+}