vcgit-forge/angular-challenges
1
0
Fork 0
mirror of https://github.com/Raghu-Ch/angular-challenges.git synced 2026-02-13 14:23:02 -05:00
Code Issues Packages Projects Releases Wiki Activity

feat(rxjs): refactor challenge 11

Browse Source
This commit is contained in:
thomas
2025-01-29 20:25:35 +01:00
parent 2050f7a932
commit 3cea14982e
111 changed files with 31 additions and 2787 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
apps/rxjs/11-high-order-operator-bug/src/app/app.service.ts
View File

@@ -1,23 +1,19 @@
import { inject, Injectable } from '@angular/core';
import { merge, mergeMap, Observable, of, take } from 'rxjs';
import { merge, Observable, of } from 'rxjs';
import { LocalDBService, TopicType } from './localDB.service';
@Injectable({ providedIn: 'root' })
export class AppService {
private dbService = inject(LocalDBService);
getAll$ = this.dbService.infos$;
getAllInfo = this.dbService.infos;
deleteOldTopics(type: TopicType): Observable<boolean> {
return this.dbService.searchByType(type).pipe(
take(1),
mergeMap((topicToDelete) =>
topicToDelete.length > 0
? topicToDelete
.map((t) => this.dbService.deleteOneTopic(t.id))
.reduce((acc, curr) => merge(acc, curr), of(true))
: of(true),
),
);
const infoByType = this.dbService.searchByType(type);
return infoByType.length > 0
? infoByType
.map((t) => this.dbService.deleteOneTopic(t.id))
.reduce((acc, curr) => merge(acc, curr), of(true))
: of(true);
}
}