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
  13 @Component({
  14   templateUrl: './video-channels.component.html',
  15   styleUrls: [ './video-channels.component.scss' ]
  16 })
  17 export class VideoChannelsComponent implements OnInit, OnDestroy {
  18   @ViewChild('subscribeButton') subscribeButton: SubscribeButtonComponent
  19
  20   videoChannel: VideoChannel
  21   hotkeys: Hotkey[]
  22   isChannelManageable = false
  23
  24   private routeSub: Subscription
  25
  26   constructor (
  27     private i18n: I18n,
  28     private route: ActivatedRoute,
  29     private notifier: Notifier,
  30     private authService: AuthService,
  31     private videoChannelService: VideoChannelService,
  32     private restExtractor: RestExtractor,
  33     private hotkeysService: HotkeysService
  34   ) { }
  35
  36   ngOnInit () {
  37     this.routeSub = this.route.params
  38                         .pipe(
  39                           map(params => params[ 'videoChannelName' ]),
  40                           distinctUntilChanged(),
  41                           switchMap(videoChannelName => this.videoChannelService.getVideoChannel(videoChannelName)),
  42                           catchError(err => this.restExtractor.redirectTo404IfNotFound(err, [ 400, 404 ]))
  43                         )
  44                         .subscribe(videoChannel => {
  45                           this.videoChannel = videoChannel
  46
  47                           if (this.authService.isLoggedIn()) {
  48                             this.authService.userInformationLoaded
  49                               .subscribe(() => {
  50                                 const channelUserId = this.videoChannel.ownerAccount.userId
  51                                 this.isChannelManageable = channelUserId && channelUserId === this.authService.getUser().id
  52                               })
  53                           }
  54                         })
  55
  56     this.hotkeys = [
  57       new Hotkey('S', (event: KeyboardEvent): boolean => {
  58         this.subscribeButton.subscribed ?
  59           this.subscribeButton.unsubscribe() :
  60           this.subscribeButton.subscribe()
  61         return false
  62       }, undefined, this.i18n('Subscribe to the account'))
  63     ]
  64     if (this.isUserLoggedIn()) this.hotkeysService.add(this.hotkeys)
  65   }
  66
  67   ngOnDestroy () {
  68     if (this.routeSub) this.routeSub.unsubscribe()
  69
  70     // Unbind hotkeys
  71     if (this.isUserLoggedIn()) this.hotkeysService.remove(this.hotkeys)
  72   }
  73
  74   isUserLoggedIn () {
  75     return this.authService.isLoggedIn()
  76   }
  77
  78   get isManageable () {
  79     if (!this.isUserLoggedIn()) return false
  80     return this.videoChannel.ownerAccount.userId === this.authService.getUser().id
  81   }
  82
  83   activateCopiedMessage () {
  84     this.notifier.success(this.i18n('Username copied'))
  85   }
  86 }