feat: add per-download yt-dlp presets and overrides

Agent-Logs-Url: https://github.com/alexta69/metube/sessions/8a3119fc-63d1-4508-a196-8c50ff248812

Co-authored-by: alexta69 <7450369+alexta69@users.noreply.github.com>

ui/src/app/services/downloads.service.spec.ts

@@ -39,6 +39,8 @@ function basePayload(): AddDownloadPayload {
     chapterTemplate: '',
     subtitleLanguage: 'en',
     subtitleMode: 'prefer_manual',
+    ytdlOptionsPreset: '',
+    ytdlOptionsOverrides: '',
   };
 }
 
@@ -79,11 +81,22 @@ describe('DownloadsService', () => {
         chapter_template: '',
         subtitle_language: 'en',
         subtitle_mode: 'prefer_manual',
+        ytdl_options_preset: '',
+        ytdl_options_overrides: '',
       }),
     );
     req.flush({ status: 'ok' });
   });
 
+  it('getPresets() fetches configured preset names', () => {
+    service.getPresets().subscribe((result) => {
+      expect(result).toEqual({ presets: ['Preset A'] });
+    });
+    const req = httpMock.expectOne('presets');
+    expect(req.request.method).toBe('GET');
+    req.flush({ presets: ['Preset A'] });
+  });
+
   it('cancelAdd posts to cancel-add', () => {
     service.cancelAdd().subscribe();
     const req = httpMock.expectOne('cancel-add');

ui/src/app/services/downloads.service.ts

@@ -20,6 +20,8 @@ export interface AddDownloadPayload {
   chapterTemplate: string;
   subtitleLanguage: string;
   subtitleMode: string;
+  ytdlOptionsPreset: string;
+  ytdlOptionsOverrides: string;
 }
 @Injectable({
   providedIn: 'root'
@@ -141,11 +143,19 @@ export class DownloadsService {
       chapter_template: payload.chapterTemplate,
       subtitle_language: payload.subtitleLanguage,
       subtitle_mode: payload.subtitleMode,
+      ytdl_options_preset: payload.ytdlOptionsPreset,
+      ytdl_options_overrides: payload.ytdlOptionsOverrides,
     }).pipe(
       catchError(this.handleHTTPError)
     );
   }
 
+  public getPresets() {
+    return this.http.get<{ presets: string[] }>('presets').pipe(
+      catchError(() => of({ presets: [] }))
+    );
+  }
+
   public startById(ids: string[]) {
     return this.http.post('start', {ids: ids});
   }

ui/src/app/services/subscriptions.service.ts

@@ -94,6 +94,8 @@ export class SubscriptionsService {
         chapter_template: payload.chapterTemplate,
         subtitle_language: payload.subtitleLanguage,
         subtitle_mode: payload.subtitleMode,
+        ytdl_options_preset: payload.ytdlOptionsPreset,
+        ytdl_options_overrides: payload.ytdlOptionsOverrides,
         check_interval_minutes: payload.checkIntervalMinutes,
       })
       .pipe(catchError((err) => this.handleHTTPError(err)));