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   explainedVideoPrivacies: VideoConstant<VideoPrivacy>[] = []
  28   userVideoChannels: { id: number, label: string, support: string }[] = []
  29   schedulePublicationPossible = false
  30   videoCaptions: VideoCaptionEdit[] = []
  31   waitTranscodingEnabled = true
  32
  33   private updateDone = false
  34
  35   constructor (
  36     protected formValidatorService: FormValidatorService,
  37     private route: ActivatedRoute,
  38     private router: Router,
  39     private notifier: Notifier,
  40     private serverService: ServerService,
  41     private videoService: VideoService,
  42     private loadingBar: LoadingBarService,
  43     private videoCaptionService: VideoCaptionService,
  44     private i18n: I18n
  45   ) {
  46     super()
  47   }
  48
  49   ngOnInit () {
  50     this.buildForm({})
  51
  52     this.serverService.videoPrivaciesLoaded
  53         .subscribe(() => this.videoPrivacies = this.serverService.getVideoPrivacies())
  54
  55     this.route.data
  56         .pipe(map(data => data.videoData))
  57         .subscribe(({ video, videoChannels, videoCaptions }) => {
  58           this.video = new VideoEdit(video)
  59           this.userVideoChannels = videoChannels
  60           this.videoCaptions = videoCaptions
  61
  62           // We cannot set private a video that was not private
  63           if (this.video.privacy !== VideoPrivacy.PRIVATE) {
  64             this.videoPrivacies = this.videoPrivacies.filter(p => p.id !== VideoPrivacy.PRIVATE)
  65           } else { // We can schedule video publication only if it it is private
  66             this.schedulePublicationPossible = this.video.privacy === VideoPrivacy.PRIVATE
  67           }
  68
  69           this.explainedVideoPrivacies = this.videoService.explainedPrivacyLabels(this.videoPrivacies)
  70
  71           const videoFiles = (video as VideoDetails).files
  72           if (videoFiles.length > 1) { // Already transcoded
  73             this.waitTranscodingEnabled = false
  74           }
  75
  76           // FIXME: Angular does not detect the change inside this subscription, so use the patched setTimeout
  77           setTimeout(() => this.hydrateFormFromVideo())
  78         },
  79
  80         err => {
  81           console.error(err)
  82           this.notifier.error(err.message)
  83         }
  84       )
  85   }
  86
  87   @HostListener('window:beforeunload', [ '$event' ])
  88   onUnload (event: any) {
  89     const { text, canDeactivate } = this.canDeactivate()
  90
  91     if (canDeactivate) return
  92
  93     event.returnValue = text
  94     return text
  95   }
  96
  97   canDeactivate (): { canDeactivate: boolean, text?: string } {
  98     if (this.updateDone === true) return { canDeactivate: true }
  99
 100     const text = this.i18n('You have unsaved changes! If you leave, your changes will be lost.')
 101
 102     for (const caption of this.videoCaptions) {
 103       if (caption.action) return { canDeactivate: false, text }
 104     }
 105
 106     return { canDeactivate: this.formChanged === false, text }
 107   }
 108
 109   checkForm () {
 110     this.forceCheck()
 111
 112     return this.form.valid
 113   }
 114
 115   update () {
 116     if (this.checkForm() === false
 117       || this.isUpdatingVideo === true) {
 118       return
 119     }
 120
 121     this.video.patch(this.form.value)
 122
 123     this.loadingBar.start()
 124     this.isUpdatingVideo = true
 125
 126     // Update the video
 127     this.videoService.updateVideo(this.video)
 128         .pipe(
 129           // Then update captions
 130           switchMap(() => this.videoCaptionService.updateCaptions(this.video.id, this.videoCaptions))
 131         )
 132         .subscribe(
 133           () => {
 134             this.updateDone = true
 135             this.isUpdatingVideo = false
 136             this.loadingBar.complete()
 137             this.notifier.success(this.i18n('Video updated.'))
 138             this.router.navigate([ '/videos/watch', this.video.uuid ])
 139           },
 140
 141           err => {
 142             this.loadingBar.complete()
 143             this.isUpdatingVideo = false
 144             this.notifier.error(err.message)
 145             console.error(err)
 146           }
 147         )
 148   }
 149
 150   private hydrateFormFromVideo () {
 151     this.form.patchValue(this.video.toFormPatch())
 152
 153     const objects = [
 154       {
 155         url: 'thumbnailUrl',
 156         name: 'thumbnailfile'
 157       },
 158       {
 159         url: 'previewUrl',
 160         name: 'previewfile'
 161       }
 162     ]
 163
 164     for (const obj of objects) {
 165       fetch(this.video[obj.url])
 166         .then(response => response.blob())
 167         .then(data => {
 168           this.form.patchValue({
 169             [ obj.name ]: data
 170           })
 171         })
 172     }
 173   }
 174 }