client/src/app/+video-channels/video-channels.component.ts

   1 import { Component, OnDestroy, OnInit, ViewChild } from '@angular/core'
   2 import { ActivatedRoute } from '@angular/router'
   3 import { VideoChannel } from '@app/shared/video-channel/video-channel.model'
   4 import { VideoChannelService } from '@app/shared/video-channel/video-channel.service'
   5 import { RestExtractor } from '@app/shared'
   6 import { catchError, distinctUntilChanged, map, switchMap, tap } from 'rxjs/operators'
   7 import { Subscription } from 'rxjs'
   8 import { AuthService, Notifier } from '@app/core'
   9 import { Hotkey, HotkeysService } from 'angular2-hotkeys'
  10 import { SubscribeButtonComponent } from '@app/shared/user-subscription/subscribe-button.component'
  11 import { I18n } from '@ngx-translate/i18n-polyfill'
  12 import { ListOverflowItem } from '@app/shared/misc/list-overflow.component'
  13
  14 @Component({
  15   templateUrl: './video-channels.component.html',
  16   styleUrls: [ './video-channels.component.scss' ]
  17 })
  18 export class VideoChannelsComponent implements OnInit, OnDestroy {
  19   @ViewChild('subscribeButton') subscribeButton: SubscribeButtonComponent
  20
  21   videoChannel: VideoChannel
  22   hotkeys: Hotkey[]
  23   links: ListOverflowItem[] = []
  24   isChannelManageable = false
  25
  26   private routeSub: Subscription
  27
  28   constructor (
  29     private i18n: I18n,
  30     private route: ActivatedRoute,
  31     private notifier: Notifier,
  32     private authService: AuthService,
  33     private videoChannelService: VideoChannelService,
  34     private restExtractor: RestExtractor,
  35     private hotkeysService: HotkeysService
  36   ) { }
  37
  38   ngOnInit () {
  39     this.routeSub = this.route.params
  40                         .pipe(
  41                           map(params => params[ 'videoChannelName' ]),
  42                           distinctUntilChanged(),
  43                           switchMap(videoChannelName => this.videoChannelService.getVideoChannel(videoChannelName)),
  44                           catchError(err => this.restExtractor.redirectTo404IfNotFound(err, [ 400, 404 ]))
  45                         )
  46                         .subscribe(videoChannel => {
  47                           this.videoChannel = videoChannel
  48
  49                           if (this.authService.isLoggedIn()) {
  50                             this.authService.userInformationLoaded
  51                               .subscribe(() => {
  52                                 const channelUserId = this.videoChannel.ownerAccount.userId
  53                                 this.isChannelManageable = channelUserId && channelUserId === this.authService.getUser().id
  54                               })
  55                           }
  56                         })
  57
  58     this.hotkeys = [
  59       new Hotkey('S', (event: KeyboardEvent): boolean => {
  60         this.subscribeButton.subscribed ?
  61           this.subscribeButton.unsubscribe() :
  62           this.subscribeButton.subscribe()
  63         return false
  64       }, undefined, this.i18n('Subscribe to the account'))
  65     ]
  66     if (this.isUserLoggedIn()) this.hotkeysService.add(this.hotkeys)
  67
  68     this.links = [
  69       { label: this.i18n('Videos'), routerLink: 'videos' },
  70       { label: this.i18n('Video playlists'), routerLink: 'video-playlists' },
  71       { label: this.i18n('About'), routerLink: 'about' }
  72     ]
  73   }
  74
  75   ngOnDestroy () {
  76     if (this.routeSub) this.routeSub.unsubscribe()
  77
  78     // Unbind hotkeys
  79     if (this.isUserLoggedIn()) this.hotkeysService.remove(this.hotkeys)
  80   }
  81
  82   isUserLoggedIn () {
  83     return this.authService.isLoggedIn()
  84   }
  85
  86   get isManageable () {
  87     if (!this.isUserLoggedIn()) return false
  88     return this.videoChannel.ownerAccount.userId === this.authService.getUser().id
  89   }
  90
  91   activateCopiedMessage () {
  92     this.notifier.success(this.i18n('Username copied'))
  93   }
  94 }