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

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