client/src/app/+videos/+video-edit/video-update.component.ts

   1 import { map, switchMap } from 'rxjs/operators'
   2 import { Component, HostListener, OnInit } from '@angular/core'
   3 import { ActivatedRoute, Router } from '@angular/router'
   4 import { Notifier } from '@app/core'
   5 import { FormReactive, FormValidatorService } from '@app/shared/shared-forms'
   6 import { VideoCaptionEdit, VideoCaptionService, VideoDetails, VideoEdit, VideoService } from '@app/shared/shared-main'
   7 import { LoadingBarService } from '@ngx-loading-bar/core'
   8 import { I18n } from '@ngx-translate/i18n-polyfill'
   9 import { VideoPrivacy } from '@shared/models'
  10
  11 @Component({
  12   selector: 'my-videos-update',
  13   styleUrls: [ './shared/video-edit.component.scss' ],
  14   templateUrl: './video-update.component.html'
  15 })
  16 export class VideoUpdateComponent extends FormReactive implements OnInit {
  17   video: VideoEdit
  18
  19   isUpdatingVideo = false
  20   userVideoChannels: { id: number, label: string, support: string }[] = []
  21   schedulePublicationPossible = false
  22   videoCaptions: VideoCaptionEdit[] = []
  23   waitTranscodingEnabled = true
  24
  25   private updateDone = false
  26
  27   constructor (
  28     protected formValidatorService: FormValidatorService,
  29     private route: ActivatedRoute,
  30     private router: Router,
  31     private notifier: Notifier,
  32     private videoService: VideoService,
  33     private loadingBar: LoadingBarService,
  34     private videoCaptionService: VideoCaptionService,
  35     private i18n: I18n
  36   ) {
  37     super()
  38   }
  39
  40   ngOnInit () {
  41     this.buildForm({})
  42
  43     this.route.data
  44         .pipe(map(data => data.videoData))
  45         .subscribe(({ video, videoChannels, videoCaptions }) => {
  46           this.video = new VideoEdit(video)
  47           this.userVideoChannels = videoChannels
  48           this.videoCaptions = videoCaptions
  49
  50           this.schedulePublicationPossible = this.video.privacy === VideoPrivacy.PRIVATE
  51
  52           const videoFiles = (video as VideoDetails).getFiles()
  53           if (videoFiles.length > 1) { // Already transcoded
  54             this.waitTranscodingEnabled = false
  55           }
  56
  57           // FIXME: Angular does not detect the change inside this subscription, so use the patched setTimeout
  58           setTimeout(() => this.hydrateFormFromVideo())
  59         },
  60
  61         err => {
  62           console.error(err)
  63           this.notifier.error(err.message)
  64         }
  65       )
  66   }
  67
  68   @HostListener('window:beforeunload', [ '$event' ])
  69   onUnload (event: any) {
  70     const { text, canDeactivate } = this.canDeactivate()
  71
  72     if (canDeactivate) return
  73
  74     event.returnValue = text
  75     return text
  76   }
  77
  78   canDeactivate (): { canDeactivate: boolean, text?: string } {
  79     if (this.updateDone === true) return { canDeactivate: true }
  80
  81     const text = this.i18n('You have unsaved changes! If you leave, your changes will be lost.')
  82
  83     for (const caption of this.videoCaptions) {
  84       if (caption.action) return { canDeactivate: false, text }
  85     }
  86
  87     return { canDeactivate: this.formChanged === false, text }
  88   }
  89
  90   checkForm () {
  91     this.forceCheck()
  92
  93     return this.form.valid
  94   }
  95
  96   update () {
  97     if (this.checkForm() === false
  98       || this.isUpdatingVideo === true) {
  99       return
 100     }
 101
 102     this.video.patch(this.form.value)
 103
 104     this.loadingBar.useRef().start()
 105     this.isUpdatingVideo = true
 106
 107     // Update the video
 108     this.videoService.updateVideo(this.video)
 109         .pipe(
 110           // Then update captions
 111           switchMap(() => this.videoCaptionService.updateCaptions(this.video.id, this.videoCaptions))
 112         )
 113         .subscribe(
 114           () => {
 115             this.updateDone = true
 116             this.isUpdatingVideo = false
 117             this.loadingBar.useRef().complete()
 118             this.notifier.success(this.i18n('Video updated.'))
 119             this.router.navigate([ '/videos/watch', this.video.uuid ])
 120           },
 121
 122           err => {
 123             this.loadingBar.useRef().complete()
 124             this.isUpdatingVideo = false
 125             this.notifier.error(err.message)
 126             console.error(err)
 127           }
 128         )
 129   }
 130
 131   private hydrateFormFromVideo () {
 132     this.form.patchValue(this.video.toFormPatch())
 133
 134     const objects = [
 135       {
 136         url: 'thumbnailUrl',
 137         name: 'thumbnailfile'
 138       },
 139       {
 140         url: 'previewUrl',
 141         name: 'previewfile'
 142       }
 143     ]
 144
 145     for (const obj of objects) {
 146       fetch(this.video[obj.url])
 147         .then(response => response.blob())
 148         .then(data => {
 149           this.form.patchValue({
 150             [ obj.name ]: data
 151           })
 152         })
 153     }
 154   }
 155 }