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