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

   1 import { catchError, map, switchMap } from 'rxjs/operators'
   2 import { HttpClient } from '@angular/common/http'
   3 import { Injectable } from '@angular/core'
   4 import { Observable, of } from 'rxjs'
   5 import { peertubeTranslate, ResultList } from '../../../../../shared'
   6 import { RestExtractor } from '../rest'
   7 import { VideoService } from '@app/shared/video/video.service'
   8 import { objectToFormData, sortBy } from '@app/shared/misc/utils'
   9 import { VideoCaptionEdit } from '@app/shared/video-caption/video-caption-edit.model'
  10 import { VideoCaption } from '../../../../../shared/models/videos/caption/video-caption.model'
  11 import { ServerService } from '@app/core'
  12
  13 @Injectable()
  14 export class VideoCaptionService {
  15   constructor (
  16     private authHttp: HttpClient,
  17     private serverService: ServerService,
  18     private restExtractor: RestExtractor
  19   ) {}
  20
  21   listCaptions (videoId: number | string): Observable<ResultList<VideoCaption>> {
  22     return this.authHttp.get<ResultList<VideoCaption>>(VideoService.BASE_VIDEO_URL + videoId + '/captions')
  23                .pipe(
  24                  switchMap(captionsResult => {
  25                    return this.serverService.getServerLocale()
  26                      .pipe(map(translations => ({ captionsResult, translations })))
  27                  }),
  28                  map(({ captionsResult, translations }) => {
  29                    for (const c of captionsResult.data) {
  30                      c.language.label = peertubeTranslate(c.language.label, translations)
  31                    }
  32
  33                    return captionsResult
  34                  }),
  35                  map(captionsResult => {
  36                    sortBy(captionsResult.data, 'language', 'label')
  37
  38                    return captionsResult
  39                  })
  40                )
  41                .pipe(catchError(res => this.restExtractor.handleError(res)))
  42   }
  43
  44   removeCaption (videoId: number | string, language: string) {
  45     return this.authHttp.delete(VideoService.BASE_VIDEO_URL + videoId + '/captions/' + language)
  46                .pipe(
  47                  map(this.restExtractor.extractDataBool),
  48                  catchError(res => this.restExtractor.handleError(res))
  49                )
  50   }
  51
  52   addCaption (videoId: number | string, language: string, captionfile: File) {
  53     const body = { captionfile }
  54     const data = objectToFormData(body)
  55
  56     return this.authHttp.put(VideoService.BASE_VIDEO_URL + videoId + '/captions/' + language, data)
  57                .pipe(
  58                  map(this.restExtractor.extractDataBool),
  59                  catchError(res => this.restExtractor.handleError(res))
  60                )
  61   }
  62
  63   updateCaptions (videoId: number | string, videoCaptions: VideoCaptionEdit[]) {
  64     let obs = of(true)
  65
  66     for (const videoCaption of videoCaptions) {
  67       if (videoCaption.action === 'CREATE') {
  68         obs = obs.pipe(switchMap(() => this.addCaption(videoId, videoCaption.language.id, videoCaption.captionfile)))
  69       } else if (videoCaption.action === 'REMOVE') {
  70         obs = obs.pipe(switchMap(() => this.removeCaption(videoId, videoCaption.language.id)))
  71       }
  72     }
  73
  74     return obs
  75   }
  76 }