2 * ========================LICENSE_START=================================
5 * Copyright (C) 2019 AT&T Intellectual Property and Nokia
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 { CollectionViewer, 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 { of } from 'rxjs/observable/of';
27 import { merge } from 'rxjs';
28 import { catchError, finalize, map } from 'rxjs/operators';
29 import { ANRNeighborCellRelation } from '../interfaces/anr-xapp.types';
30 import { ANRXappService } from '../services/anr-xapp/anr-xapp.service';
31 import { NotificationService } from '../services/ui/notification.service';
33 export class ANRXappDataSource extends DataSource<ANRNeighborCellRelation> {
35 private relationsSubject = new BehaviorSubject<ANRNeighborCellRelation[]>([]);
37 private loadingSubject = new BehaviorSubject<boolean>(false);
39 public loading$ = this.loadingSubject.asObservable();
41 public rowCount = 1; // hide footer during intial load
43 constructor(private anrXappService: ANRXappService,
44 private sort: MatSort,
45 private notificationService: NotificationService) {
49 loadTable(ggnodeb: string = '', servingCellNrcgi: string = '', neighborCellNrpci: string = '') {
50 this.loadingSubject.next(true);
51 this.anrXappService.getNcrtInfo(ggnodeb, servingCellNrcgi, neighborCellNrpci)
53 catchError( (her: HttpErrorResponse) => {
54 console.log('ANRXappDataSource failed: ' + her.message);
55 this.notificationService.error('Failed to get data: ' + her.message);
58 finalize(() => this.loadingSubject.next(false))
60 .subscribe( (ncrt: ANRNeighborCellRelation[]) => {
61 this.rowCount = ncrt.length;
62 this.relationsSubject.next(ncrt);
66 connect(collectionViewer: CollectionViewer): Observable<ANRNeighborCellRelation[]> {
67 const dataMutations = [
68 this.relationsSubject.asObservable(),
71 return merge(...dataMutations).pipe(map(() => {
72 return this.getSortedData([...this.relationsSubject.getValue()]);
76 disconnect(collectionViewer: CollectionViewer): void {
77 this.relationsSubject.complete();
78 this.loadingSubject.complete();
81 private getSortedData(data: ANRNeighborCellRelation[]) {
82 if (!this.sort.active || this.sort.direction === '') {
85 return data.sort((a: ANRNeighborCellRelation, b: ANRNeighborCellRelation) => {
86 const isAsc = this.sort.direction === 'asc';
87 switch (this.sort.active) {
88 case 'cellIdentifierNrcgi': return compare(a.servingCellNrcgi, b.servingCellNrcgi, isAsc);
89 case 'neighborCellNrpci': return compare(a.neighborCellNrpci, b.neighborCellNrpci, isAsc);
90 case 'neighborCellNrcgi': return compare(a.neighborCellNrcgi, b.neighborCellNrcgi, isAsc);
91 case 'flagNoHo': return compare(a.flagNoHo, b.flagNoHo, isAsc);
92 case 'flagNoXn': return compare(a.flagNoXn, b.flagNoXn, isAsc);
93 case 'flagNoRemove': return compare(a.flagNoRemove, b.flagNoRemove, isAsc);
100 function compare(a: any, b: any, isAsc: boolean) {
101 return (a < b ? -1 : 1) * (isAsc ? 1 : -1);