Fix bulk finder

client/src/app/helpers/rxjs.ts

@@ -1,6 +1,6 @@
 import { uniq } from 'lodash-es'
-import { Observable, timer } from 'rxjs'
-import { buffer, distinctUntilChanged, filter, map, share, switchMap } from 'rxjs/operators'
+import { Observable } from 'rxjs'
+import { buffer, debounceTime, distinctUntilChanged, filter, map, share, switchMap } from 'rxjs/operators'
 
 function buildBulkObservable <P extends number | string, R> (options: {
   notifierObservable: Observable<P>
@@ -11,7 +11,7 @@ function buildBulkObservable <P extends number | string, R> (options: {
 
   return notifierObservable.pipe(
     distinctUntilChanged(),
-    buffer(timer(time)),
+    buffer(notifierObservable.pipe(debounceTime(time))),
     filter(params => params.length !== 0),
     map(params => uniq(params)),
     switchMap(params => {

client/src/app/shared/shared-user-subscription/user-subscription.service.ts

@@ -39,7 +39,7 @@ export class UserSubscriptionService {
   ) {
     this.existsObservable = merge(
       buildBulkObservable({
-        time: 500,
+        time: 200,
         notifierObservable: this.existsSubject,
         bulkGet: this.doSubscriptionsExist.bind(this)
       }).pipe(map(r => r.response)),

client/src/app/shared/shared-video-playlist/video-playlist.service.ts

@@ -58,7 +58,7 @@ export class VideoPlaylistService {
   ) {
     this.videoExistsInPlaylistObservable = merge(
       buildBulkObservable({
-        time: 5000,
+        time: 200,
         bulkGet: (videoIds: number[]) => {
           // We added a delay to the request, so ensure the user is still logged in
           if (this.auth.isLoggedIn()) {