40 lines
1.1 KiB
TypeScript
40 lines
1.1 KiB
TypeScript
import {Injectable} from '@angular/core';
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import {File} from './file';
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import {Observable} from 'rxjs';
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import {map} from 'rxjs/operators';
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import {FileServer} from './fileServer';
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import {DbService} from '../../../services/db.service';
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@Injectable({
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providedIn: 'root'
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})
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export class FileDataService {
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constructor(private db: DbService) {
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}
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public async set(songId: string, file: FileServer): Promise<string> {
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const songRef = this.db.doc('songs/' + songId);
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const fileCollection = songRef.collection('files');
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const id = await fileCollection.add(file);
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return id.id;
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}
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public async delete(songId: string, fileId: string): Promise<void> {
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const fileRef = this.db.doc('songs/' + songId + '/files/' + fileId);
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await fileRef.delete();
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}
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public read$(songId: string): Observable<File[]> {
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const songRef = this.db.doc('songs/' + songId);
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return songRef.collection<File>('files').snapshotChanges().pipe(map(actions => {
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return actions.map(a => ({
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...a.payload.doc.data(),
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id: a.payload.doc.id
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}));
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}));
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}
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}
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