Create feature module for Enrichment coordinator
[portal/nonrtric-controlpanel.git] / webapp-frontend / src / app / ei-coordinator / ei-job.datasource.ts
index 64c948c..b008f80 100644 (file)
  */
 
 import { Injectable } from '@angular/core';
-import { MatTableDataSource } from '@angular/material';
 
 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';
 
+
 @Injectable({
     providedIn: 'root'
 })
 
-export class EIJobDataSource extends MatTableDataSource<EIJob> {
+export class EIJobDataSource {
+
+    private jobs: Array<EIJob> = [];
+
+    public eiJobs(): EIJob[] {
+        return this.jobs;
+    }
 
-    eiJobsSubject = new BehaviorSubject<EIJob[]>([]);
+    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();
 
@@ -42,39 +53,22 @@ export class EIJobDataSource extends MatTableDataSource<EIJob> {
 
     constructor(
         private eiSvc: EIService) {
-        super();
     }
 
-    getJobs() {
+    loadJobs() {
         this.loadingSubject.next(true);
-        this.eiSvc.getProducerIds()
-            .subscribe((producerIds: string[]) => {
-                producerIds.forEach(id => {
-                    this.getJobsForProducer(id);
-                });
-            });
-    }
-
-    private getJobsForProducer(id: string) {
-        console.log('Getting jobs for producer ID: ', id);
-        this.eiSvc.getJobsForProducer(id).subscribe(jobs => {
-            this.addJobsToSubject(jobs);
-            this.rowCount = this.eiJobsSubject.getValue().length;
+        this.jobs = [];
+        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 addJobsToSubject(jobs: EIJob[]) {
-        const currentValue = this.eiJobsSubject.value;
-        const updatedValue = [...currentValue, ...jobs];
-        this.eiJobsSubject.next(updatedValue);
-    }
 
-    connect(): BehaviorSubject<EIJob[]> {
-        return this.eiJobsSubject;
-    }
-
-    disconnect(): void {
-        this.eiJobsSubject.complete();
-        this.loadingSubject.complete();
-    }
 }