Reorganize dashboard into subfolders

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

diff --git a/dashboard/webapp-frontend/src/app/caas-ingress/caas-ingress.datasource.ts b/dashboard/webapp-frontend/src/app/caas-ingress/caas-ingress.datasource.ts
new file mode 100644 (file)
index 0000000..637de03
--- /dev/null
+++ b/dashboard/webapp-frontend/src/app/caas-ingress/caas-ingress.datasource.ts
@@ -0,0 +1,114 @@
+/*-
+ * ========================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 { of } from 'rxjs/observable/of';
+import { merge } from 'rxjs';
+import { catchError, finalize, map } from 'rxjs/operators';
+import { V1Pod, V1PodList } from '@kubernetes/client-node';
+import { CaasIngressService } from '../services/caas-ingress/caas-ingress.service';
+import { NotificationService } from '../services/ui/notification.service';
+
+export class CaasIngressDataSource extends DataSource<V1Pod> {
+
+  private relationsSubject = new BehaviorSubject<V1Pod[]>([]);
+
+  private loadingSubject = new BehaviorSubject<boolean>(false);
+
+  public loading$ = this.loadingSubject.asObservable();
+
+  public rowCount = 1; // hide footer during intial load
+
+  constructor(private caasIngressService: CaasIngressService,
+    private sort: MatSort,
+    private notificationService: NotificationService) {
+    super();
+  }
+
+  loadTable(instanceKey: string, cluster: string, namespace: string) {
+    this.loadingSubject.next(true);
+    this.caasIngressService.getPodList(instanceKey, cluster, namespace)
+      .pipe(
+        catchError((her: HttpErrorResponse) => {
+          console.log('CaasIngressDataSource failed: ' + her.message);
+          this.notificationService.error('Failed to get data: ' + her.message);
+          return of([]);
+        }),
+        finalize(() => this.loadingSubject.next(false))
+      )
+      .subscribe((pl: V1PodList) => {
+        this.rowCount = pl.items.length;
+        // precompute container ready, restart counts to keep HTML simple
+        for (const v1pod of pl.items) {
+          v1pod['readyCount'] = 0;
+          v1pod['restartCount'] = 0;
+          for (const cs of v1pod.status.containerStatuses) {
+            if (cs.ready) {
+              v1pod['readyCount'] = v1pod['readyCount'] + 1;
+            }
+            v1pod['restartCount'] = v1pod['restartCount'] + cs.restartCount;
+          }
+        }
+        this.relationsSubject.next(pl.items);
+      });
+  }
+
+  connect(collectionViewer: CollectionViewer): Observable<V1Pod[]> {
+    const dataMutations = [
+      this.relationsSubject.asObservable(),
+      this.sort.sortChange
+    ];
+    return merge(...dataMutations).pipe(map(() => {
+      return this.getSortedData([...this.relationsSubject.getValue()]);
+    }));
+  }
+
+  disconnect(collectionViewer: CollectionViewer): void {
+    this.relationsSubject.complete();
+    this.loadingSubject.complete();
+  }
+
+  private getSortedData(data: V1Pod[]) {
+    if (!this.sort.active || this.sort.direction === '') {
+      return data;
+    }
+    return data.sort((a: V1Pod, b: V1Pod) => {
+      const isAsc = this.sort.direction === 'asc';
+      switch (this.sort.active) {
+        case 'namespace': return compare(a.metadata.namespace, b.metadata.namespace, isAsc);
+        case 'name': return compare(a.metadata.name, b.metadata.name, isAsc);
+        case 'status': return compare(a.status.phase, b.status.phase, isAsc);
+        case 'containers': return compare(a.spec.containers.length, b.spec.containers.length, isAsc);
+        case 'ip': return compare(a.status.podIP, b.status.podIP, isAsc);
+        case 'restartCount': return compare(a['restartCount'], b['restartCount'], isAsc);
+        case 'createTime': return compare(a.metadata.creationTimestamp, b.metadata.creationTimestamp, isAsc);
+        default: return 0;
+      }
+    });
+  }
+}
+
+function compare(a: any, b: any, isAsc: boolean) {
+  return (a < b ? -1 : 1) * (isAsc ? 1 : -1);
+}