2 * ========================LICENSE_START=================================
5 * Copyright (C) 2019 Nordix Foundation
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ========================LICENSE_END===================================
21 import { DataSource } from '@angular/cdk/collections';
22 import { HttpErrorResponse } from '@angular/common/http';
23 import { MatSort } from '@angular/material';
24 import { Observable } from 'rxjs/Observable';
25 import { BehaviorSubject } from 'rxjs/BehaviorSubject';
26 import { merge } from 'rxjs';
27 import { of } from 'rxjs/observable/of';
28 import { catchError, finalize, map } from 'rxjs/operators';
29 import { PolicyInstance, PolicyTypeSchema } from '../interfaces/policy.types';
30 import { PolicyService } from '../services/policy/policy.service';
31 import { NotificationService } from '../services/ui/notification.service';
33 export class PolicyInstanceDataSource extends DataSource<PolicyInstance> {
35 policyInstances: PolicyInstance[] = [];
37 private policyInstanceSubject = new BehaviorSubject<PolicyInstance[]>([]);
39 private loadingSubject = new BehaviorSubject<boolean>(false);
41 public loading$ = this.loadingSubject.asObservable();
43 public rowCount = 1; // hide footer during intial load
46 private policySvc: PolicyService,
48 private notificationService: NotificationService,
49 private policyTypeSchema: PolicyTypeSchema) {
53 public getPolicyInstances() {
54 this.policyInstances = [] as PolicyInstance[];
55 this.policySvc.getPolicyInstancesByType(this.policyTypeSchema.id).subscribe(policies => {
56 if (policies.policy_ids.length != 0) {
57 policies.policy_ids.forEach(policyId => {
58 var policyInstance = {} as PolicyInstance
59 this.policySvc.getPolicyInstance(policyId).subscribe(policyInstance => {
60 this.policySvc.getPolicyStatus(policyId).subscribe(policyStatus => {
61 policyInstance.lastModified = policyStatus.last_modified;
63 this.policyInstances.push(policyInstance);
65 this.policyInstanceSubject.next(this.policyInstances);
71 connect(): Observable<PolicyInstance[]> {
72 const dataMutations = [
73 this.policyInstanceSubject.asObservable(),
76 return merge(...dataMutations).pipe(map(() => {
77 return this.getSortedData([...this.policyInstanceSubject.getValue()]);
82 this.policyInstanceSubject.complete();
83 this.loadingSubject.complete();
86 private getSortedData(data: PolicyInstance[]) {
87 if (!this.sort || !this.sort.active || this.sort.direction === '') {
91 return data.sort((a, b) => {
92 const isAsc = this.sort.direction === 'asc';
93 switch (this.sort.active) {
94 case 'instanceId': return compare(a.policy_id, b.policy_id, isAsc);
95 case 'ric': return compare(a.ric_id, b.ric_id, isAsc);
96 case 'service': return compare(a.service_id, b.service_id, isAsc);
97 case 'lastModified': return compare(a.lastModified, b.lastModified, isAsc);
104 function compare(a: string, b: string, isAsc: boolean) {
105 return (a < b ? -1 : 1) * (isAsc ? 1 : -1);