import { Injectable } from '@angular/core';
import { BehaviorSubject } from 'rxjs/BehaviorSubject';
+import { mergeMap, finalize } from 'rxjs/operators';
+import { Observable, forkJoin } from 'rxjs';
import { EIJob } from '../interfaces/ei.types';
import { EIService } from '../services/ei/ei.service';
-import { MatTableDataSource } from '@angular/material';
-import { ViewChild } from '@angular/core';
-import { MatSort } from '@angular/material/sort';
-import { delay } from 'rxjs/operators';
+
@Injectable({
providedIn: 'root'
export class EIJobDataSource {
private jobs: Array<EIJob> = [];
- private dataSource: MatTableDataSource<any> = new MatTableDataSource();
- @ViewChild(MatSort, { static: true }) sort: MatSort;
+ public eiJobs(): EIJob[] {
+ return this.jobs;
+ }
- public jobsDataSource(): MatTableDataSource<any> {
- return this.dataSource;
+ public eiJobsSubject(): Observable<EIJob[]> {
+ return this.jobsSubject.asObservable() as Observable<EIJob[]>;
}
private loadingSubject = new BehaviorSubject<boolean>(false);
+ private jobsSubject = new BehaviorSubject<EIJob[]>([]);
public loading$ = this.loadingSubject.asObservable();
loadJobs() {
this.loadingSubject.next(true);
this.jobs = [];
- this.eiSvc.getProducerIds()
- .subscribe((producerIds: string[]) => {
- producerIds.forEach(id => {
- this.getJobsForProducer(id);
- });
- //this.dataSource = new MatTableDataSource();
- this.dataSource.data = this.jobs;
- this.dataSource.sort = this.sort;
- console.log("datasource: "+this.dataSource.data);
- });
+ this.eiSvc.getProducerIds().pipe(
+ mergeMap(prodIds =>
+ forkJoin(prodIds.map(id => this.eiSvc.getJobsForProducer(id)))),
+ mergeMap(result => result),
+ finalize(() => this.loadingSubject.next(false))
+ ).subscribe(result => {
+ this.jobs = this.jobs.concat(result);
+ this.jobsSubject.next(this.jobs);
+ });
this.rowCount = this.jobs.length;
}
- private getJobsForProducer(id: string) {
- console.log('Getting jobs for producer ID: ', id);
- this.eiSvc.getJobsForProducer(id)//.pipe(delay(5000))
- .subscribe(producerJobs => {
- this.jobs = this.jobs.concat(producerJobs);
- console.log("producerJobs: "+producerJobs);
-
- });
- }
+
}