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65717: Fix reloading lists on viewing more while still preventing unwanted initializes

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This commit is contained in:
Kristof De Langhe
2019-10-31 14:20:50 +01:00
parent e762ed4d9e
commit b62af58502
1 changed files with 13 additions and 2 deletions
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15
src/app/+item-page/edit-item-page/item-bitstreams/item-edit-bitstream-bundle/item-edit-bitstream-bundle.component.ts
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@@ -14,6 +14,7 @@ import { BundleDataService } from '../../../../core/data/bundle-data.service';
import { PaginatedSearchOptions } from '../../../../+search-page/paginated-search-options.model';
import { BehaviorSubject } from 'rxjs/internal/BehaviorSubject';
import { combineLatest as observableCombineLatest } from 'rxjs';
import { hasNoValue } from '../../../../shared/empty.util';
@Component({
selector: 'ds-item-edit-bitstream-bundle',
@@ -76,6 +77,12 @@ export class ItemEditBitstreamBundleComponent implements OnInit {
*/
isLoadingMore$: Observable<boolean>;
/**
* What size were the object updates last initialized with?
* Used to check if the object updates need to be re-initialized when loading more bitstreams
*/
lastInitializedWithSize: number;
constructor(private objectUpdatesService: ObjectUpdatesService,
private bundleService: BundleDataService,
private viewContainerRef: ViewContainerRef) {
@@ -88,8 +95,12 @@ export class ItemEditBitstreamBundleComponent implements OnInit {
);
this.updates$ = this.bitstreamsRD$.pipe(
toBitstreamsArray(),
tap((bitstreams: Bitstream[]) => this.objectUpdatesService.initialize(this.bundle.self, bitstreams, new Date(), true)),
take(1),
tap((bitstreams: Bitstream[]) => {
if (hasNoValue(this.lastInitializedWithSize) || this.currentSize$.value !== this.lastInitializedWithSize) {
this.objectUpdatesService.initialize(this.bundle.self, bitstreams, new Date(), true);
this.lastInitializedWithSize = this.currentSize$.value;
}
}),
switchMap((bitstreams: Bitstream[]) => this.objectUpdatesService.getFieldUpdatesByCustomOrder(this.bundle.self, bitstreams))
);
this.isLoadingMore$ = observableCombineLatest(this.currentSize$, this.bitstreamsRD$).pipe(