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

   1 import { Subject, Subscription } from 'rxjs'
   2 import { Component, OnDestroy, OnInit } from '@angular/core'
   3 import { ComponentPagination, hasMoreItems } from '@app/core'
   4 import { VideoChannel, VideoChannelService } from '@app/shared/shared-main'
   5 import { VideoPlaylist, VideoPlaylistService } from '@app/shared/shared-video-playlist'
   6
   7 @Component({
   8   selector: 'my-video-channel-playlists',
   9   templateUrl: './video-channel-playlists.component.html',
  10   styleUrls: [ './video-channel-playlists.component.scss' ]
  11 })
  12 export class VideoChannelPlaylistsComponent implements OnInit, OnDestroy {
  13   videoPlaylists: VideoPlaylist[] = []
  14
  15   pagination: ComponentPagination = {
  16     currentPage: 1,
  17     itemsPerPage: 20,
  18     totalItems: null
  19   }
  20
  21   onDataSubject = new Subject<any[]>()
  22
  23   private videoChannelSub: Subscription
  24   private videoChannel: VideoChannel
  25
  26   constructor (
  27     private videoPlaylistService: VideoPlaylistService,
  28     private videoChannelService: VideoChannelService
  29   ) {}
  30
  31   ngOnInit () {
  32     // Parent get the video channel for us
  33     this.videoChannelSub = this.videoChannelService.videoChannelLoaded
  34                                .subscribe(videoChannel => {
  35                                  this.videoChannel = videoChannel
  36                                  this.loadVideoPlaylists()
  37                                })
  38   }
  39
  40   ngOnDestroy () {
  41     if (this.videoChannelSub) this.videoChannelSub.unsubscribe()
  42   }
  43
  44   onNearOfBottom () {
  45     if (!hasMoreItems(this.pagination)) return
  46
  47     this.pagination.currentPage += 1
  48     this.loadVideoPlaylists()
  49   }
  50
  51   private loadVideoPlaylists () {
  52     this.videoPlaylistService.listChannelPlaylists(this.videoChannel, this.pagination)
  53         .subscribe(res => {
  54           this.videoPlaylists = this.videoPlaylists.concat(res.data)
  55           this.pagination.totalItems = res.total
  56
  57           this.onDataSubject.next(res.data)
  58         })
  59   }
  60 }