Reorganize dashboard into subfolders

[portal/ric-dashboard.git] / dashboard / webapp-frontend / src / app / catalog / catalog.datasource.ts

diff --git a/dashboard/webapp-frontend/src/app/catalog/catalog.datasource.ts b/dashboard/webapp-frontend/src/app/catalog/catalog.datasource.ts
new file mode 100644 (file)
index 0000000..68362a7
--- /dev/null
+++ b/dashboard/webapp-frontend/src/app/catalog/catalog.datasource.ts
@@ -0,0 +1,97 @@
+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2019 AT&T Intellectual Property
+ * %%
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ========================LICENSE_END===================================
+ */
+
+import { CollectionViewer, DataSource } from '@angular/cdk/collections';
+import { HttpErrorResponse } from '@angular/common/http';
+import { MatSort } from '@angular/material/sort';
+import { Observable } from 'rxjs/Observable';
+import { BehaviorSubject } from 'rxjs/BehaviorSubject';
+import { merge } from 'rxjs';
+import { of } from 'rxjs/observable/of';
+import { catchError, finalize, map } from 'rxjs/operators';
+import { AppMgrService } from '../services/app-mgr/app-mgr.service';
+import { XMDeployableApp } from '../interfaces/app-mgr.types';
+import { NotificationService } from '../services/ui/notification.service';
+
+export class CatalogDataSource extends DataSource<XMDeployableApp> {
+
+  private catalogSubject = new BehaviorSubject<XMDeployableApp[]>([]);
+  private loadingSubject = new BehaviorSubject<boolean>(false);
+  public loading$ = this.loadingSubject.asObservable();
+  public rowCount = 1; // hide footer during intial load
+
+  constructor(
+    private appMgrSvc: AppMgrService,
+    private sort: MatSort,
+    private notificationService: NotificationService) {
+    super();
+  }
+
+  loadTable(instanceKey: string) {
+    this.loadingSubject.next(true);
+    this.appMgrSvc.getDeployable(instanceKey)
+      .pipe(
+        catchError((her: HttpErrorResponse) => {
+          console.log('CatalogDataSource failed: ' + her.message);
+          this.notificationService.error('Failed to get applications: ' + her.message);
+          return of([]);
+        }),
+        finalize(() => this.loadingSubject.next(false))
+      )
+      .subscribe((xApps: XMDeployableApp[]) => {
+        this.rowCount = xApps.length;
+        this.catalogSubject.next(xApps);
+      });
+  }
+
+  connect(collectionViewer: CollectionViewer): Observable<XMDeployableApp[]> {
+    const dataMutations = [
+      this.catalogSubject.asObservable(),
+      this.sort.sortChange
+    ];
+    return merge(...dataMutations).pipe(map(() => {
+      return this.getSortedData([...this.catalogSubject.getValue()]);
+    }));
+  }
+
+  disconnect(collectionViewer: CollectionViewer): void {
+    this.catalogSubject.complete();
+    this.loadingSubject.complete();
+  }
+
+  private getSortedData(data: XMDeployableApp[]) {
+    if (!this.sort.active || this.sort.direction === '') {
+      return data;
+    }
+    return data.sort((a: XMDeployableApp, b: XMDeployableApp) => {
+      const isAsc = this.sort.direction === 'asc';
+      switch (this.sort.active) {
+        case 'name': return this.compare(a.name, b.name, isAsc);
+        case 'version': return this.compare(a.version, b.version, isAsc);
+        default: return 0;
+      }
+    });
+  }
+
+  private compare(a: any, b: any, isAsc: boolean) {
+    return (a < b ? -1 : 1) * (isAsc ? 1 : -1);
+  }
+
+}