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RED-3845: fix file caching

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This commit is contained in:
Dan Percic 2022-04-08 18:55:06 +03:00
parent a34fb20caf
commit df29bd91d7
1 changed files with 5 additions and 4 deletions
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9
apps/red-ui/src/app/modules/file-preview/services/file-preview-state.service.ts
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@ -1,5 +1,5 @@
import { Injectable, Injector } from '@angular/core';
import { combineLatest, firstValueFrom, from, Observable, pairwise, switchMap } from 'rxjs';
import { combineLatest, firstValueFrom, from, Observable, of, pairwise, switchMap } from 'rxjs';
import { Dossier, File } from '@red/domain';
import { ActivatedRoute } from '@angular/router';
import { FilesMapService } from '@services/entity-services/files-map.service';
@ -69,7 +69,7 @@ export class FilePreviewStateService {
startWith(undefined),
pairwise(),
filter(([oldFile, newFile]) => oldFile?.cacheIdentifier !== newFile.cacheIdentifier),
switchMap(([, newFile]) => this.#downloadOriginalFile(newFile.cacheIdentifier)),
switchMap(([oldFile, newFile]) => this.#downloadOriginalFile(newFile.cacheIdentifier, !!oldFile?.cacheIdentifier)),
);
}
@ -80,8 +80,9 @@ export class FilePreviewStateService {
);
}
#downloadOriginalFile(cacheIdentifier?: string): Observable<Blob> {
#downloadOriginalFile(cacheIdentifier: string, wipeCaches = true): Observable<Blob> {
const downloadFile = this._fileManagementService.downloadOriginalFile(this.dossierId, this.fileId, 'body', cacheIdentifier);
return from(wipeFilesCache()).pipe(switchMap(() => downloadFile));
const obs = wipeCaches ? from(wipeFilesCache()) : of({});
return obs.pipe(switchMap(() => downloadFile));
}
}