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 } from '@shared/core-utils/i18n'
   9 import { ResultList, VideoCaption } from '@shared/models'
  10 import { VideoCaptionEdit } from './video-caption-edit.model'
  11
  12 @Injectable()
  13 export class VideoCaptionService {
  14   constructor (
  15     private authHttp: HttpClient,
  16     private serverService: ServerService,
  17     private restExtractor: RestExtractor
  18   ) {}
  19
  20   listCaptions (videoId: number | string): Observable<ResultList<VideoCaption>> {
  21     return this.authHttp.get<ResultList<VideoCaption>>(`${VideoService.BASE_VIDEO_URL}/${videoId}/captions`)
  22                .pipe(
  23                  switchMap(captionsResult => {
  24                    return this.serverService.getServerLocale()
  25                      .pipe(map(translations => ({ captionsResult, translations })))
  26                  }),
  27                  map(({ captionsResult, translations }) => {
  28                    for (const c of captionsResult.data) {
  29                      c.language.label = peertubeTranslate(c.language.label, translations)
  30                    }
  31
  32                    return captionsResult
  33                  }),
  34                  map(captionsResult => {
  35                    sortBy(captionsResult.data, 'language', 'label')
  36
  37                    return captionsResult
  38                  })
  39                )
  40                .pipe(catchError(res => this.restExtractor.handleError(res)))
  41   }
  42
  43   removeCaption (videoId: number | string, language: string) {
  44     return this.authHttp.delete(`${VideoService.BASE_VIDEO_URL}/${videoId}/captions/${language}`)
  45                .pipe(
  46                  map(this.restExtractor.extractDataBool),
  47                  catchError(res => this.restExtractor.handleError(res))
  48                )
  49   }
  50
  51   addCaption (videoId: number | string, language: string, captionfile: File) {
  52     const body = { captionfile }
  53     const data = objectToFormData(body)
  54
  55     return this.authHttp.put(`${VideoService.BASE_VIDEO_URL}/${videoId}/captions/${language}`, data)
  56                .pipe(
  57                  map(this.restExtractor.extractDataBool),
  58                  catchError(res => this.restExtractor.handleError(res))
  59                )
  60   }
  61
  62   updateCaptions (videoId: number | string, videoCaptions: VideoCaptionEdit[]) {
  63     let obs = of(true)
  64
  65     for (const videoCaption of videoCaptions) {
  66       if (videoCaption.action === 'CREATE') {
  67         obs = obs.pipe(switchMap(() => this.addCaption(videoId, videoCaption.language.id, videoCaption.captionfile)))
  68       } else if (videoCaption.action === 'REMOVE') {
  69         obs = obs.pipe(switchMap(() => this.removeCaption(videoId, videoCaption.language.id)))
  70       }
  71     }
  72
  73     return obs
  74   }
  75 }