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 } from 'rxjs/operators'
   7 import { Subscription } from 'rxjs'
   8 import { AuthService } 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
  23   private routeSub: Subscription
  24
  25   constructor (
  26     private i18n: I18n,
  27     private route: ActivatedRoute,
  28     private authService: AuthService,
  29     private videoChannelService: VideoChannelService,
  30     private restExtractor: RestExtractor,
  31     private hotkeysService: HotkeysService
  32   ) { }
  33
  34   ngOnInit () {
  35     this.routeSub = this.route.params
  36                         .pipe(
  37                           map(params => params[ 'videoChannelName' ]),
  38                           distinctUntilChanged(),
  39                           switchMap(videoChannelName => this.videoChannelService.getVideoChannel(videoChannelName)),
  40                           catchError(err => this.restExtractor.redirectTo404IfNotFound(err, [ 400, 404 ]))
  41                         )
  42                         .subscribe(videoChannel => this.videoChannel = videoChannel)
  43
  44     this.hotkeys = [
  45       new Hotkey('S', (event: KeyboardEvent): boolean => {
  46         this.subscribeButton.subscribed ?
  47           this.subscribeButton.unsubscribe() :
  48           this.subscribeButton.subscribe()
  49         return false
  50       }, undefined, this.i18n('Subscribe to the account'))
  51     ]
  52     if (this.isUserLoggedIn()) this.hotkeysService.add(this.hotkeys)
  53   }
  54
  55   ngOnDestroy () {
  56     if (this.routeSub) this.routeSub.unsubscribe()
  57
  58     // Unbind hotkeys
  59     if (this.isUserLoggedIn()) this.hotkeysService.remove(this.hotkeys)
  60   }
  61
  62   isUserLoggedIn () {
  63     return this.authService.isLoggedIn()
  64   }
  65 }