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 { LoadingBarService } from '@ngx-loading-bar/core'
   5 import { Notifier } from '@app/core'
   6 import { ServerService } from '../../core'
   7 import { FormReactive } from '../../shared'
   8 import { VideoEdit } from '../../shared/video/video-edit.model'
   9 import { VideoService } from '../../shared/video/video.service'
  10 import { I18n } from '@ngx-translate/i18n-polyfill'
  11 import { FormValidatorService } from '@app/shared/forms/form-validators/form-validator.service'
  12 import { VideoCaptionService } from '@app/shared/video-caption'
  13 import { VideoCaptionEdit } from '@app/shared/video-caption/video-caption-edit.model'
  14 import { VideoDetails } from '@app/shared/video/video-details.model'
  15 import { VideoPrivacy } from '@shared/models'
  16
  17 @Component({
  18   selector: 'my-videos-update',
  19   styleUrls: [ './shared/video-edit.component.scss' ],
  20   templateUrl: './video-update.component.html'
  21 })
  22 export class VideoUpdateComponent extends FormReactive implements OnInit {
  23   video: VideoEdit
  24
  25   isUpdatingVideo = false
  26   userVideoChannels: { id: number, label: string, support: string }[] = []
  27   schedulePublicationPossible = false
  28   videoCaptions: VideoCaptionEdit[] = []
  29   waitTranscodingEnabled = true
  30
  31   private updateDone = false
  32
  33   constructor (
  34     protected formValidatorService: FormValidatorService,
  35     private route: ActivatedRoute,
  36     private router: Router,
  37     private notifier: Notifier,
  38     private serverService: ServerService,
  39     private videoService: VideoService,
  40     private loadingBar: LoadingBarService,
  41     private videoCaptionService: VideoCaptionService,
  42     private i18n: I18n
  43   ) {
  44     super()
  45   }
  46
  47   ngOnInit () {
  48     this.buildForm({})
  49
  50     this.route.data
  51         .pipe(map(data => data.videoData))
  52         .subscribe(({ video, videoChannels, videoCaptions }) => {
  53           this.video = new VideoEdit(video)
  54           this.userVideoChannels = videoChannels
  55           this.videoCaptions = videoCaptions
  56
  57           this.schedulePublicationPossible = this.video.privacy === VideoPrivacy.PRIVATE
  58
  59           const videoFiles = (video as VideoDetails).getFiles()
  60           if (videoFiles.length > 1) { // Already transcoded
  61             this.waitTranscodingEnabled = false
  62           }
  63
  64           // FIXME: Angular does not detect the change inside this subscription, so use the patched setTimeout
  65           setTimeout(() => this.hydrateFormFromVideo())
  66         },
  67
  68         err => {
  69           console.error(err)
  70           this.notifier.error(err.message)
  71         }
  72       )
  73   }
  74
  75   @HostListener('window:beforeunload', [ '$event' ])
  76   onUnload (event: any) {
  77     const { text, canDeactivate } = this.canDeactivate()
  78
  79     if (canDeactivate) return
  80
  81     event.returnValue = text
  82     return text
  83   }
  84
  85   canDeactivate (): { canDeactivate: boolean, text?: string } {
  86     if (this.updateDone === true) return { canDeactivate: true }
  87
  88     const text = this.i18n('You have unsaved changes! If you leave, your changes will be lost.')
  89
  90     for (const caption of this.videoCaptions) {
  91       if (caption.action) return { canDeactivate: false, text }
  92     }
  93
  94     return { canDeactivate: this.formChanged === false, text }
  95   }
  96
  97   checkForm () {
  98     this.forceCheck()
  99
 100     return this.form.valid
 101   }
 102
 103   update () {
 104     if (this.checkForm() === false
 105       || this.isUpdatingVideo === true) {
 106       return
 107     }
 108
 109     this.video.patch(this.form.value)
 110
 111     this.loadingBar.start()
 112     this.isUpdatingVideo = true
 113
 114     // Update the video
 115     this.videoService.updateVideo(this.video)
 116         .pipe(
 117           // Then update captions
 118           switchMap(() => this.videoCaptionService.updateCaptions(this.video.id, this.videoCaptions))
 119         )
 120         .subscribe(
 121           () => {
 122             this.updateDone = true
 123             this.isUpdatingVideo = false
 124             this.loadingBar.complete()
 125             this.notifier.success(this.i18n('Video updated.'))
 126             this.router.navigate([ '/videos/watch', this.video.uuid ])
 127           },
 128
 129           err => {
 130             this.loadingBar.complete()
 131             this.isUpdatingVideo = false
 132             this.notifier.error(err.message)
 133             console.error(err)
 134           }
 135         )
 136   }
 137
 138   private hydrateFormFromVideo () {
 139     this.form.patchValue(this.video.toFormPatch())
 140
 141     const objects = [
 142       {
 143         url: 'thumbnailUrl',
 144         name: 'thumbnailfile'
 145       },
 146       {
 147         url: 'previewUrl',
 148         name: 'previewfile'
 149       }
 150     ]
 151
 152     for (const obj of objects) {
 153       fetch(this.video[obj.url])
 154         .then(response => response.blob())
 155         .then(data => {
 156           this.form.patchValue({
 157             [ obj.name ]: data
 158           })
 159         })
 160     }
 161   }
 162 }