* ========================LICENSE_END===================================
*/
-import { CollectionViewer, DataSource} from '@angular/cdk/collections';
+import { CollectionViewer, DataSource } from '@angular/cdk/collections';
+import { HttpErrorResponse } from '@angular/common/http';
+import { MatSort } from '@angular/material';
import { Observable } from 'rxjs/Observable';
-import { catchError, finalize } from 'rxjs/operators';
-import { of } from 'rxjs/observable/of';
import { BehaviorSubject } from 'rxjs/BehaviorSubject';
+import { of } from 'rxjs/observable/of';
+import { merge } from 'rxjs';
+import { catchError, finalize, map } from 'rxjs/operators';
import { ANRNeighborCellRelation } from '../interfaces/anr-xapp.types';
import { ANRXappService } from '../services/anr-xapp/anr-xapp.service';
+import { NotificationService } from '../services/ui/notification.service';
-// https://blog.angular-university.io/angular-material-data-table/
export class ANRXappDataSource extends DataSource<ANRNeighborCellRelation> {
- private relationsSubject = new BehaviorSubject<ANRNeighborCellRelation[]>([]);
+ private relationsSubject = new BehaviorSubject<ANRNeighborCellRelation[]>([]);
- private loadingSubject = new BehaviorSubject<boolean>(false);
+ private loadingSubject = new BehaviorSubject<boolean>(false);
- public loading$ = this.loadingSubject.asObservable();
+ public loading$ = this.loadingSubject.asObservable();
- constructor(private anrXappService: ANRXappService) {
- super();
- }
+ public rowCount = 1; // hide footer during intial load
- loadTable(ggnodeb = '', servingCellNrcgi = '', neighborCellNrpci = '') {
- this.loadingSubject.next(true);
- this.anrXappService.getNcrtInfo(ggnodeb, servingCellNrcgi, neighborCellNrpci)
- .pipe(
- catchError(() => of([])),
- finalize(() => this.loadingSubject.next(false))
- )
- .subscribe(ncrt => this.relationsSubject.next(ncrt));
- }
+ constructor(private anrXappService: ANRXappService,
+ private sort: MatSort,
+ private notificationService: NotificationService) {
+ super();
+ }
- connect(collectionViewer: CollectionViewer): Observable<ANRNeighborCellRelation[]> {
- return this.relationsSubject.asObservable();
- }
+ loadTable(ggnodeb: string = '', servingCellNrcgi: string = '', neighborCellNrpci: string = '') {
+ this.loadingSubject.next(true);
+ this.anrXappService.getNcrtInfo(ggnodeb, servingCellNrcgi, neighborCellNrpci)
+ .pipe(
+ catchError( (her: HttpErrorResponse) => {
+ console.log('ANRXappDataSource failed: ' + her.message);
+ this.notificationService.error('Failed to get data: ' + her.message);
+ return of([]);
+ }),
+ finalize(() => this.loadingSubject.next(false))
+ )
+ .subscribe( (ncrt: ANRNeighborCellRelation[]) => {
+ this.rowCount = ncrt.length;
+ this.relationsSubject.next(ncrt);
+ });
+ }
+
+ connect(collectionViewer: CollectionViewer): Observable<ANRNeighborCellRelation[]> {
+ 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();
+ disconnect(collectionViewer: CollectionViewer): void {
+ this.relationsSubject.complete();
+ this.loadingSubject.complete();
+ }
+
+ private getSortedData(data: ANRNeighborCellRelation[]) {
+ if (!this.sort.active || this.sort.direction === '') {
+ return data;
}
+ return data.sort((a: ANRNeighborCellRelation, b: ANRNeighborCellRelation) => {
+ const isAsc = this.sort.direction === 'asc';
+ switch (this.sort.active) {
+ case 'cellIdentifierNrcgi': return compare(a.servingCellNrcgi, b.servingCellNrcgi, isAsc);
+ case 'neighborCellNrpci': return compare(a.neighborCellNrpci, b.neighborCellNrpci, isAsc);
+ case 'neighborCellNrcgi': return compare(a.neighborCellNrcgi, b.neighborCellNrcgi, isAsc);
+ case 'flagNoHo': return compare(a.flagNoHo, b.flagNoHo, isAsc);
+ case 'flagNoXn': return compare(a.flagNoXn, b.flagNoXn, isAsc);
+ case 'flagNoRemove': return compare(a.flagNoRemove, b.flagNoRemove, isAsc);
+ default: return 0;
+ }
+ });
+ }
+}
+function compare(a: any, b: any, isAsc: boolean) {
+ return (a < b ? -1 : 1) * (isAsc ? 1 : -1);
}