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

   1 import { catchError, map } from 'rxjs/operators'
   2 import { HttpClient } from '@angular/common/http'
   3 import { Injectable } from '@angular/core'
   4 import { forkJoin, Observable, of } from 'rxjs'
   5 import { ResultList } from '../../../../../shared'
   6 import { RestExtractor, RestService } from '../rest'
   7 import { VideoCaption } from '../../../../../shared/models/videos/video-caption.model'
   8 import { VideoService } from '@app/shared/video/video.service'
   9 import { objectToFormData } from '@app/shared/misc/utils'
  10 import { VideoCaptionEdit } from '@app/shared/video-caption/video-caption-edit.model'
  11
  12 @Injectable()
  13 export class VideoCaptionService {
  14   constructor (
  15     private authHttp: HttpClient,
  16     private restService: RestService,
  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(catchError(res => this.restExtractor.handleError(res)))
  23   }
  24
  25   removeCaption (videoId: number | string, language: string) {
  26     return this.authHttp.delete(VideoService.BASE_VIDEO_URL + videoId + '/captions/' + language)
  27                .pipe(
  28                  map(this.restExtractor.extractDataBool),
  29                  catchError(res => this.restExtractor.handleError(res))
  30                )
  31   }
  32
  33   addCaption (videoId: number | string, language: string, captionfile: File) {
  34     const body = { captionfile }
  35     const data = objectToFormData(body)
  36
  37     return this.authHttp.put(VideoService.BASE_VIDEO_URL + videoId + '/captions/' + language, data)
  38                .pipe(
  39                  map(this.restExtractor.extractDataBool),
  40                  catchError(res => this.restExtractor.handleError(res))
  41                )
  42   }
  43
  44   updateCaptions (videoId: number | string, videoCaptions: VideoCaptionEdit[]) {
  45     const observables: Observable<any>[] = []
  46
  47     for (const videoCaption of videoCaptions) {
  48       if (videoCaption.action === 'CREATE') {
  49         observables.push(
  50           this.addCaption(videoId, videoCaption.language.id, videoCaption.captionfile)
  51         )
  52       } else if (videoCaption.action === 'REMOVE') {
  53         observables.push(
  54           this.removeCaption(videoId, videoCaption.language.id)
  55         )
  56       }
  57     }
  58
  59     if (observables.length === 0) return of(true)
  60
  61     return forkJoin(observables)
  62   }
  63 }