Support for Nested/Hierarchical Services

Change-Id: I478cf2e1f9cf96443a3e35bf22ac2c9d72bca8f1
Issue-ID: SDC-3145
Signed-off-by: MichaelMorris <michael.morris@est.tech>

6 files changed, 49 insertions, 13 deletions

diff --git a/catalog-ui/src/app/ng2/pages/composition/graph/composition-graph.component.ts b/catalog-ui/src/app/ng2/pages/composition/graph/composition-graph.component.ts
index 5467ecedbc..45a7d4c576 100644
--- a/catalog-ui/src/app/ng2/pages/composition/graph/composition-graph.component.ts
+++ b/catalog-ui/src/app/ng2/pages/composition/graph/composition-graph.component.ts
@@ -622,7 +622,7 @@ export class CompositionGraphComponent implements AfterViewInit {
 
         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_PALETTE_COMPONENT_DRAG_START, (dragElement, dragComponent) => {
             this.dragElement = dragElement;
-            this.dragComponent = ComponentInstanceFactory.createComponentInstanceFromComponent(dragComponent);
+            this.dragComponent = ComponentInstanceFactory.createComponentInstanceFromComponent(dragComponent, this.workspaceService.metadata.categories[0].useServiceSubstitutionForNestedServices);
         });
 
         this.eventListenerService.registerObserverCallback(GRAPH_EVENTS.ON_PALETTE_COMPONENT_DRAG_ACTION, (position: Point) => {
diff --git a/catalog-ui/src/app/ng2/pages/composition/graph/utils/composition-graph-palette-utils.ts b/catalog-ui/src/app/ng2/pages/composition/graph/utils/composition-graph-palette-utils.ts
index 922f19cb7f..72780ec0e5 100644
--- a/catalog-ui/src/app/ng2/pages/composition/graph/utils/composition-graph-palette-utils.ts
+++ b/catalog-ui/src/app/ng2/pages/composition/graph/utils/composition-graph-palette-utils.ts
@@ -116,8 +116,7 @@ export class CompositionGraphPaletteUtils {
      * @param component
      */
     private _createComponentInstanceOnGraphFromPaletteComponent(cy:Cy.Instance, fullComponent:LeftPaletteComponent, event:DragEvent) {
-
-        let componentInstanceToCreate:ComponentInstance = ComponentInstanceFactory.createComponentInstanceFromComponent(fullComponent); 
+        let componentInstanceToCreate:ComponentInstance = ComponentInstanceFactory.createComponentInstanceFromComponent(fullComponent, this.workspaceService.metadata.categories[0].useServiceSubstitutionForNestedServices); 
         let cytoscapePosition:Cy.Position = this.commonGraphUtils.getCytoscapeNodePosition(cy, event);
         componentInstanceToCreate.posX = cytoscapePosition.x;
         componentInstanceToCreate.posY = cytoscapePosition.y;
diff --git a/catalog-ui/src/app/ng2/pages/composition/palette/services/palette.service.ts b/catalog-ui/src/app/ng2/pages/composition/palette/services/palette.service.ts
index 7587c5206f..d1d48507a5 100644
--- a/catalog-ui/src/app/ng2/pages/composition/palette/services/palette.service.ts
+++ b/catalog-ui/src/app/ng2/pages/composition/palette/services/palette.service.ts
@@ -3,6 +3,7 @@ import { Inject, Injectable } from '@angular/core';
 import { LeftPaletteComponent, LeftPaletteMetadataTypes } from 'app/models/components/displayComponent';
 import { GroupMetadata } from 'app/models/group-metadata';
 import { PolicyMetadata } from 'app/models/policy-metadata';
+import { IComponentMetadata } from 'app/models/component-metadata';
 import { SdcConfigToken } from 'app/ng2/config/sdc-config.config';
 import { ISdcConfig } from 'app/ng2/config/sdc-config.config.factory';
 import { WorkspaceService } from 'app/ng2/pages/workspace/workspace.service';
@@ -75,10 +76,20 @@ export class CompositionPaletteService {
 
     private combineResoponses(resInstances: object, resGrouops: object, resPolicies: object) {
         const retValObject = {};
-        // Generic will be the 1st category in the left Pallete
+        
         if (resInstances['Generic']) {
-            retValObject['Generic'] = resInstances['Generic'];
-        }
+	        if (this.isSubstitutionForNestedServices()) {
+	            const serviceGroup = this.createServiceGroup(resInstances);
+	            if (serviceGroup) {
+	                retValObject['Service'] = serviceGroup;
+	            }
+	        }
+	        else {
+	            // Generic will be the 1st category in the left Pallete
+	        	retValObject['Generic'] = resInstances['Generic'];
+	        }
+	    }
+        
         // Add all other categories
         for (const category in resInstances) {
             if (category === 'Generic') {
@@ -95,4 +106,25 @@ export class CompositionPaletteService {
 
         return retValObject;
     }
+    
+    private isSubstitutionForNestedServices(): boolean {
+	    return this.workspaceService.metadata.categories[0].useServiceSubstitutionForNestedServices;
+	}
+    
+    private createServiceGroup(resInstances: object): object {
+	    const servicesList = resInstances['Generic']['Generic'];
+	    if (Array.isArray(servicesList) && servicesList.length > 0) {
+	        delete resInstances['Generic']['Generic'];
+	        return servicesList.reduce(function (map, component) {
+	            if (map[component.categories[0].name]) {
+	                map[component.categories[0].name].push(component);
+	            } else {
+	                map[component.categories[0].name] = [component];
+	            }
+	            return map;
+	        }, {});
+	    }
+	    return null;
+	}
+	
 }
diff --git a/catalog-ui/src/app/ng2/pages/composition/panel/__snapshots__/composition-panel.component.spec.ts.snap b/catalog-ui/src/app/ng2/pages/composition/panel/__snapshots__/composition-panel.component.spec.ts.snap
index fdede9d09e..beaa72f4fb 100644
--- a/catalog-ui/src/app/ng2/pages/composition/panel/__snapshots__/composition-panel.component.spec.ts.snap
+++ b/catalog-ui/src/app/ng2/pages/composition/panel/__snapshots__/composition-panel.component.spec.ts.snap
@@ -9,6 +9,7 @@ exports[`composition-panel component should match current snapshot of compositio
   isConfiguration={[Function Function]}
   isPNF={[Function Function]}
   selectedComponentIsServiceProxyInstance={[Function Function]}
+  selectedComponentIsServiceSubstitutionInstance={[Function Function]}
   selectedComponentIsVfcInstance={[Function Function]}
   setActive={[Function Function]}
   store={[Function Store]}
diff --git a/catalog-ui/src/app/ng2/pages/composition/panel/composition-panel.component.ts b/catalog-ui/src/app/ng2/pages/composition/panel/composition-panel.component.ts
index bf8cc27bfb..89634ef000 100644
--- a/catalog-ui/src/app/ng2/pages/composition/panel/composition-panel.component.ts
+++ b/catalog-ui/src/app/ng2/pages/composition/panel/composition-panel.component.ts
@@ -121,29 +121,29 @@ export class CompositionPanelComponent {
         }
 
         // Deployment artifacts
-        if (!this.isPNF() && !this.isConfiguration() && !this.selectedComponentIsServiceProxyInstance()) {
+        if (!this.isPNF() && !this.isConfiguration() && !this.selectedComponentIsServiceProxyInstance() && !this.selectedComponentIsServiceSubstitutionInstance()) {
             this.tabs.push(tabs.deploymentArtifacts);
         }
 
         // Properties or Inputs
-        if (component.isResource() || this.selectedComponentIsServiceProxyInstance()) {
+        if (component.isResource() || this.selectedComponentIsServiceProxyInstance() || this.selectedComponentIsServiceSubstitutionInstance()) {
             this.tabs.push(tabs.properties);
         } else {
             this.tabs.push(tabs.inputs);
         }
 
-        if (!this.isConfiguration() && !this.selectedComponentIsServiceProxyInstance()) {
+        if (!this.isConfiguration() && !this.selectedComponentIsServiceProxyInstance() && !this.selectedComponentIsServiceSubstitutionInstance()) {
             this.tabs.push(tabs.infoArtifacts);
         }
 
-        if (!(component.isService()) || this.selectedComponentIsServiceProxyInstance()) {
+        if (!(component.isService()) || this.selectedComponentIsServiceProxyInstance() || this.selectedComponentIsServiceSubstitutionInstance()) {
             this.tabs.push(tabs.reqAndCapabilities);
         }
 
-        if (component.isService() && !this.selectedComponentIsServiceProxyInstance()) {
+        if (component.isService() && !this.selectedComponentIsServiceProxyInstance() && !this.selectedComponentIsServiceSubstitutionInstance()) {
             this.tabs.push(tabs.apiArtifacts);
         }
-        if (component.isService() && this.selectedComponentIsServiceProxyInstance()) {
+        if (component.isService() && (this.selectedComponentIsServiceProxyInstance() || this.selectedComponentIsServiceSubstitutionInstance())) {
             this.tabs.push(tabs.consumption);
             this.tabs.push(tabs.dependencies);
             this.tabs.push(tabs.substitutionFilter)
@@ -173,6 +173,10 @@ export class CompositionPanelComponent {
     private selectedComponentIsServiceProxyInstance = (): boolean => {
         return this.isComponentInstanceSelected() && this.selectedComponent.isServiceProxy();
     }
+    
+    private selectedComponentIsServiceSubstitutionInstance = (): boolean => {
+        return this.isComponentInstanceSelected() && this.selectedComponent.isServiceSubstitution();
+    }
 
     private selectedComponentIsVfcInstance = (): boolean => {
         return this.isComponentInstanceSelected() && this.selectedComponent.isVFC();
diff --git a/catalog-ui/src/app/ng2/pages/composition/panel/panel-tabs/info-tab/info-tab.component.ts b/catalog-ui/src/app/ng2/pages/composition/panel/panel-tabs/info-tab/info-tab.component.ts
index 45f31e7b35..cb889a2583 100644
--- a/catalog-ui/src/app/ng2/pages/composition/panel/panel-tabs/info-tab/info-tab.component.ts
+++ b/catalog-ui/src/app/ng2/pages/composition/panel/panel-tabs/info-tab/info-tab.component.ts
@@ -110,7 +110,7 @@ export class InfoTabComponent implements OnInit, OnDestroy {
                     }, onCancel);
             };
 
-            if (this.component.isService() || this.component.isServiceProxy()) {
+            if (this.component.isService() || this.component.isServiceProxy() || this.component.isServiceSubstitution()) {
                 this.serviceService.checkComponentInstanceVersionChange(this.workspaceService.metadata.componentType, this.workspaceService.metadata.uniqueId,
                     this.component.uniqueId, newVersionValue).subscribe((pathsToDelete:string[]) => {
                     if (pathsToDelete && pathsToDelete.length) {