client/src/standalone/videos/shared/video-fetcher.ts

   1 import { HttpStatusCode, LiveVideo, VideoDetails, VideoToken } from '../../../../../shared/models'
   2 import { logger } from '../../../root-helpers'
   3 import { AuthHTTP } from './auth-http'
   4
   5 export class VideoFetcher {
   6
   7   constructor (private readonly http: AuthHTTP) {
   8
   9   }
  10
  11   async loadVideo (videoId: string) {
  12     const videoPromise = this.loadVideoInfo(videoId)
  13
  14     let videoResponse: Response
  15     let isResponseOk: boolean
  16
  17     try {
  18       videoResponse = await videoPromise
  19       isResponseOk = videoResponse.status === HttpStatusCode.OK_200
  20     } catch (err) {
  21       logger.error(err)
  22
  23       isResponseOk = false
  24     }
  25
  26     if (!isResponseOk) {
  27       if (videoResponse?.status === HttpStatusCode.NOT_FOUND_404) {
  28         throw new Error('This video does not exist.')
  29       }
  30
  31       throw new Error('We cannot fetch the video. Please try again later.')
  32     }
  33
  34     const captionsPromise = this.loadVideoCaptions(videoId)
  35
  36     return { captionsPromise, videoResponse }
  37   }
  38
  39   loadLive (video: VideoDetails) {
  40     return this.http.fetch(this.getLiveUrl(video.uuid), { optionalAuth: true })
  41       .then(res => res.json() as Promise<LiveVideo>)
  42   }
  43
  44   loadVideoToken (video: VideoDetails) {
  45     return this.http.fetch(this.getVideoTokenUrl(video.uuid), { optionalAuth: true, method: 'POST' })
  46       .then(res => res.json() as Promise<VideoToken>)
  47       .then(token => token.files.token)
  48   }
  49
  50   getVideoViewsUrl (videoUUID: string) {
  51     return this.getVideoUrl(videoUUID) + '/views'
  52   }
  53
  54   private loadVideoInfo (videoId: string): Promise<Response> {
  55     return this.http.fetch(this.getVideoUrl(videoId), { optionalAuth: true })
  56   }
  57
  58   private loadVideoCaptions (videoId: string): Promise<Response> {
  59     return this.http.fetch(this.getVideoUrl(videoId) + '/captions', { optionalAuth: true })
  60   }
  61
  62   private getVideoUrl (id: string) {
  63     return window.location.origin + '/api/v1/videos/' + id
  64   }
  65
  66   private getLiveUrl (videoId: string) {
  67     return window.location.origin + '/api/v1/videos/live/' + videoId
  68   }
  69
  70   private getVideoTokenUrl (id: string) {
  71     return this.getVideoUrl(id) + '/token'
  72   }
  73 }