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 { VideoConstant, VideoPrivacy } from '../../../../../shared/models/videos'
   7 import { ServerService } from '../../core'
   8 import { FormReactive } from '../../shared'
   9 import { VideoEdit } from '../../shared/video/video-edit.model'
  10 import { VideoService } from '../../shared/video/video.service'
  11 import { I18n } from '@ngx-translate/i18n-polyfill'
  12 import { FormValidatorService } from '@app/shared/forms/form-validators/form-validator.service'
  13 import { VideoCaptionService } from '@app/shared/video-caption'
  14 import { VideoCaptionEdit } from '@app/shared/video-caption/video-caption-edit.model'
  15 import { VideoDetails } from '@app/shared/video/video-details.model'
  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   videoPrivacies: VideoConstant<VideoPrivacy>[] = []
  27   userVideoChannels: { id: number, label: string, support: string }[] = []
  28   schedulePublicationPossible = false
  29   videoCaptions: VideoCaptionEdit[] = []
  30   waitTranscodingEnabled = true
  31
  32   private updateDone = false
  33
  34   constructor (
  35     protected formValidatorService: FormValidatorService,
  36     private route: ActivatedRoute,
  37     private router: Router,
  38     private notifier: Notifier,
  39     private serverService: ServerService,
  40     private videoService: VideoService,
  41     private loadingBar: LoadingBarService,
  42     private videoCaptionService: VideoCaptionService,
  43     private i18n: I18n
  44   ) {
  45     super()
  46   }
  47
  48   ngOnInit () {
  49     this.buildForm({})
  50
  51     this.serverService.videoPrivaciesLoaded
  52         .subscribe(() => this.videoPrivacies = this.serverService.getVideoPrivacies())
  53
  54     this.route.data
  55         .pipe(map(data => data.videoData))
  56         .subscribe(({ video, videoChannels, videoCaptions }) => {
  57           this.video = new VideoEdit(video)
  58           this.userVideoChannels = videoChannels
  59           this.videoCaptions = videoCaptions
  60
  61           // We cannot set private a video that was not private
  62           if (this.video.privacy !== VideoPrivacy.PRIVATE) {
  63             this.videoPrivacies = this.videoPrivacies.filter(p => p.id !== VideoPrivacy.PRIVATE)
  64           } else { // We can schedule video publication only if it it is private
  65             this.schedulePublicationPossible = this.video.privacy === VideoPrivacy.PRIVATE
  66           }
  67
  68           this.videoPrivacies = this.videoService.explainedPrivacyLabels(this.videoPrivacies)
  69
  70           const videoFiles = (video as VideoDetails).files
  71           if (videoFiles.length > 1) { // Already transcoded
  72             this.waitTranscodingEnabled = false
  73           }
  74
  75           // FIXME: Angular does not detect the change inside this subscription, so use the patched setTimeout
  76           setTimeout(() => this.hydrateFormFromVideo())
  77         },
  78
  79         err => {
  80           console.error(err)
  81           this.notifier.error(err.message)
  82         }
  83       )
  84   }
  85
  86   @HostListener('window:beforeunload', [ '$event' ])
  87   onUnload (event: any) {
  88     const { text, canDeactivate } = this.canDeactivate()
  89
  90     if (canDeactivate) return
  91
  92     event.returnValue = text
  93     return text
  94   }
  95
  96   canDeactivate (): { canDeactivate: boolean, text?: string } {
  97     if (this.updateDone === true) return { canDeactivate: true }
  98
  99     const text = this.i18n('You have unsaved changes! If you leave, your changes will be lost.')
 100
 101     for (const caption of this.videoCaptions) {
 102       if (caption.action) return { canDeactivate: false, text }
 103     }
 104
 105     return { canDeactivate: this.formChanged === false, text }
 106   }
 107
 108   checkForm () {
 109     this.forceCheck()
 110
 111     return this.form.valid
 112   }
 113
 114   update () {
 115     if (this.checkForm() === false
 116       || this.isUpdatingVideo === true) {
 117       return
 118     }
 119
 120     this.video.patch(this.form.value)
 121
 122     this.loadingBar.start()
 123     this.isUpdatingVideo = true
 124
 125     // Update the video
 126     this.videoService.updateVideo(this.video)
 127         .pipe(
 128           // Then update captions
 129           switchMap(() => this.videoCaptionService.updateCaptions(this.video.id, this.videoCaptions))
 130         )
 131         .subscribe(
 132           () => {
 133             this.updateDone = true
 134             this.isUpdatingVideo = false
 135             this.loadingBar.complete()
 136             this.notifier.success(this.i18n('Video updated.'))
 137             this.router.navigate([ '/videos/watch', this.video.uuid ])
 138           },
 139
 140           err => {
 141             this.loadingBar.complete()
 142             this.isUpdatingVideo = false
 143             this.notifier.error(err.message)
 144             console.error(err)
 145           }
 146         )
 147   }
 148
 149   private hydrateFormFromVideo () {
 150     this.form.patchValue(this.video.toFormPatch())
 151
 152     const objects = [
 153       {
 154         url: 'thumbnailUrl',
 155         name: 'thumbnailfile'
 156       },
 157       {
 158         url: 'previewUrl',
 159         name: 'previewfile'
 160       }
 161     ]
 162
 163     for (const obj of objects) {
 164       fetch(this.video[obj.url])
 165         .then(response => response.blob())
 166         .then(data => {
 167           this.form.patchValue({
 168             [ obj.name ]: data
 169           })
 170         })
 171     }
 172   }
 173 }