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 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           this.schedulePublicationPossible = this.video.privacy === VideoPrivacy.PRIVATE
  57
  58           const videoFiles = (video as VideoDetails).getFiles()
  59           if (videoFiles.length > 1) { // Already transcoded
  60             this.waitTranscodingEnabled = false
  61           }
  62
  63           // FIXME: Angular does not detect the change inside this subscription, so use the patched setTimeout
  64           setTimeout(() => this.hydrateFormFromVideo())
  65         },
  66
  67         err => {
  68           console.error(err)
  69           this.notifier.error(err.message)
  70         }
  71       )
  72   }
  73
  74   @HostListener('window:beforeunload', [ '$event' ])
  75   onUnload (event: any) {
  76     const { text, canDeactivate } = this.canDeactivate()
  77
  78     if (canDeactivate) return
  79
  80     event.returnValue = text
  81     return text
  82   }
  83
  84   canDeactivate (): { canDeactivate: boolean, text?: string } {
  85     if (this.updateDone === true) return { canDeactivate: true }
  86
  87     const text = this.i18n('You have unsaved changes! If you leave, your changes will be lost.')
  88
  89     for (const caption of this.videoCaptions) {
  90       if (caption.action) return { canDeactivate: false, text }
  91     }
  92
  93     return { canDeactivate: this.formChanged === false, text }
  94   }
  95
  96   checkForm () {
  97     this.forceCheck()
  98
  99     return this.form.valid
 100   }
 101
 102   update () {
 103     if (this.checkForm() === false
 104       || this.isUpdatingVideo === true) {
 105       return
 106     }
 107
 108     this.video.patch(this.form.value)
 109
 110     this.loadingBar.start()
 111     this.isUpdatingVideo = true
 112
 113     // Update the video
 114     this.videoService.updateVideo(this.video)
 115         .pipe(
 116           // Then update captions
 117           switchMap(() => this.videoCaptionService.updateCaptions(this.video.id, this.videoCaptions))
 118         )
 119         .subscribe(
 120           () => {
 121             this.updateDone = true
 122             this.isUpdatingVideo = false
 123             this.loadingBar.complete()
 124             this.notifier.success(this.i18n('Video updated.'))
 125             this.router.navigate([ '/videos/watch', this.video.uuid ])
 126           },
 127
 128           err => {
 129             this.loadingBar.complete()
 130             this.isUpdatingVideo = false
 131             this.notifier.error(err.message)
 132             console.error(err)
 133           }
 134         )
 135   }
 136
 137   private hydrateFormFromVideo () {
 138     this.form.patchValue(this.video.toFormPatch())
 139
 140     const objects = [
 141       {
 142         url: 'thumbnailUrl',
 143         name: 'thumbnailfile'
 144       },
 145       {
 146         url: 'previewUrl',
 147         name: 'previewfile'
 148       }
 149     ]
 150
 151     for (const obj of objects) {
 152       fetch(this.video[obj.url])
 153         .then(response => response.blob())
 154         .then(data => {
 155           this.form.patchValue({
 156             [ obj.name ]: data
 157           })
 158         })
 159     }
 160   }
 161 }