Update for appliances

src/app/components/project-map/new-template-dialog/new-template-dialog.component.html

@@ -106,6 +106,7 @@
 
         <div>
             <button mat-button matStepperPrevious>Back</button>
+            <button mat-button [hidden]="action!=='install'" (click)="updateAppliances()">Update from online registry</button>
             <button mat-button (click)="onCloseClick()">Cancel</button>
         </div>
     </mat-step>

src/app/components/project-map/new-template-dialog/new-template-dialog.component.ts

@@ -168,6 +168,12 @@ export class NewTemplateDialogComponent implements OnInit {
         };
     }
 
+    updateAppliances() {
+        this.applianceService.updateAppliances(this.server).subscribe((appliances) => {
+            this.appliances = appliances;
+        })
+    }
+
     refreshImages() {
         this.qemuService.getImages(this.server).subscribe((qemuImages) => {
             this.qemuImages = qemuImages;

src/app/services/appliances.service.ts

@@ -21,4 +21,8 @@ export class ApplianceService {
     getUploadPath(server: Server, emulator: string, filename: string) {
         return `http://${server.host}:${server.port}/v2/compute/${emulator}/images/${filename}`;
     }
+
+    updateAppliances(server: Server): Observable<Appliance[]> {
+        return this.httpServer.get<Appliance[]>(server, '/appliances?update=yes') as Observable<Appliance[]>;
+    }
 }