Add ability to force transcription

client/src/app/+admin/overview/videos/video-list.component.ts

@@ -417,7 +417,7 @@ export class VideoListComponent extends RestTable <Video> implements OnInit {
   }
 
   private generateCaption (videos: Video[]) {
-    this.videoCaptionService.generateCaption(videos.map(v => v.id))
+    this.videoCaptionService.generateCaption({ videos })
       .subscribe({
         next: result => {
           if (result.success) {

client/src/app/shared/shared-main/video-caption/video-caption.service.ts

@@ -1,9 +1,9 @@
 import { HttpClient } from '@angular/common/http'
 import { Injectable } from '@angular/core'
-import { RestExtractor, ServerService } from '@app/core'
+import { ConfirmService, RestExtractor, ServerService } from '@app/core'
 import { objectToFormData } from '@app/helpers'
 import { peertubeTranslate, sortBy } from '@peertube/peertube-core-utils'
-import { PeerTubeProblemDocument, ResultList, ServerErrorCode, VideoCaption } from '@peertube/peertube-models'
+import { PeerTubeProblemDocument, ResultList, ServerErrorCode, Video, VideoCaption, VideoCaptionGenerate } from '@peertube/peertube-models'
 import { Observable, from, of, throwError } from 'rxjs'
 import { catchError, concatMap, map, switchMap, toArray } from 'rxjs/operators'
 import { environment } from '../../../../environments/environment'
@@ -16,7 +16,8 @@ export class VideoCaptionService {
   constructor (
     private authHttp: HttpClient,
     private serverService: ServerService,
-    private restExtractor: RestExtractor
+    private restExtractor: RestExtractor,
+    private confirmService: ConfirmService
   ) {}
 
   listCaptions (videoId: string, videoPassword?: string): Observable<ResultList<VideoCaption>> {
@@ -75,28 +76,16 @@ export class VideoCaptionService {
     return this.authHttp.get(environment.originServerUrl + captionPath, { responseType: 'text' })
   }
 
-  generateCaption (videoIds: (number | string)[]) {
-    return from(videoIds)
+  // ---------------------------------------------------------------------------
+
+  generateCaption (options: {
+    videos: Video[]
+  }): Observable<{ success: number, alreadyHasCaptions: number, alreadyBeingTranscribed: number }> {
+    const { videos } = options
+
+    return from(videos)
       .pipe(
-        concatMap(videoId => {
-          return this.authHttp.post(`${VideoService.BASE_VIDEO_URL}/${videoId}/captions/generate`, {})
-            .pipe(
-              map(() => 'success' as 'success'),
-              catchError(err => {
-                const error: PeerTubeProblemDocument = err.error
-
-                if (error?.code === ServerErrorCode.VIDEO_ALREADY_HAS_CAPTIONS) {
-                  return of('already-has-captions' as 'already-has-captions')
-                }
-
-                if (error?.code === ServerErrorCode.VIDEO_ALREADY_BEING_TRANSCRIBED) {
-                  return of('already-being-transcribed' as 'already-being-transcribed')
-                }
-
-                return throwError(() => err)
-              })
-            )
-        }),
+        concatMap(video => this.generateCaptionOfSpecificVideo({ video, forceTranscription: false })),
         toArray(),
         map(data => {
           return data.reduce((p, c) => {
@@ -110,4 +99,47 @@ export class VideoCaptionService {
         catchError(err => this.restExtractor.handleError(err))
       )
   }
+
+  private generateCaptionOfSpecificVideo (options: {
+    video: Video
+    forceTranscription: boolean
+  }): Observable<'success' | 'already-has-captions' | 'already-being-transcribed'> {
+    const { video, forceTranscription } = options
+
+    const body: VideoCaptionGenerate = { forceTranscription }
+
+    return this.authHttp.post(`${VideoService.BASE_VIDEO_URL}/${video.id}/captions/generate`, body)
+      .pipe(
+        map(() => 'success' as 'success'),
+        catchError(err => {
+          const error: PeerTubeProblemDocument = err.error
+
+          if (error?.code === ServerErrorCode.VIDEO_ALREADY_BEING_TRANSCRIBED && !forceTranscription) {
+            const message = $localize`PeerTube considers video "${video.name}" is already being transcripted.` +
+              // eslint-disable-next-line max-len
+              $localize` If you think PeerTube is wrong (video in broken state after a crash etc.), you can force transcription on this video.` +
+              ` Do you still want to run transcription?`
+
+            return from(this.confirmService.confirm(message, $localize`Force transcription`))
+              .pipe(
+                switchMap(res => {
+                  if (res === false) return throwError(() => err)
+
+                  return this.generateCaptionOfSpecificVideo({ video, forceTranscription: true })
+                })
+              )
+          }
+
+          if (error?.code === ServerErrorCode.VIDEO_ALREADY_HAS_CAPTIONS) {
+            return of('already-has-captions' as 'already-has-captions')
+          }
+
+          if (error?.code === ServerErrorCode.VIDEO_ALREADY_BEING_TRANSCRIBED) {
+            return of('already-being-transcribed' as 'already-being-transcribed')
+          }
+
+          return throwError(() => err)
+        })
+      )
+  }
 }

client/src/app/shared/shared-video-miniature/video-actions-dropdown.component.ts

@@ -354,7 +354,7 @@ export class VideoActionsDropdownComponent implements OnChanges {
   }
 
   generateCaption (video: Video) {
-    this.videoCaptionService.generateCaption([ video.id ])
+    this.videoCaptionService.generateCaption({ videos: [ video ] })
       .subscribe({
         next: result => {
           if (result.success) this.notifier.success($localize`Transcription job created for "${video.name}".`)