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

   1 import { Component, OnDestroy, OnInit } from '@angular/core'
   2 import { ConfirmService } from '../../core/confirm'
   3 import { VideoChannelService } from '@app/shared/video-channel/video-channel.service'
   4 import { VideoChannel } from '@app/shared/video-channel/video-channel.model'
   5 import { Subscription } from 'rxjs'
   6 import { Notifier } from '@app/core'
   7 import { VideoPlaylist } from '@app/shared/video-playlist/video-playlist.model'
   8 import { ComponentPagination, hasMoreItems } from '@app/shared/rest/component-pagination.model'
   9 import { VideoPlaylistService } from '@app/shared/video-playlist/video-playlist.service'
  10
  11 @Component({
  12   selector: 'my-video-channel-playlists',
  13   templateUrl: './video-channel-playlists.component.html',
  14   styleUrls: [ './video-channel-playlists.component.scss' ]
  15 })
  16 export class VideoChannelPlaylistsComponent implements OnInit, OnDestroy {
  17   videoPlaylists: VideoPlaylist[] = []
  18
  19   pagination: ComponentPagination = {
  20     currentPage: 1,
  21     itemsPerPage: 20,
  22     totalItems: null
  23   }
  24
  25   private videoChannelSub: Subscription
  26   private videoChannel: VideoChannel
  27
  28   constructor (
  29     private notifier: Notifier,
  30     private confirmService: ConfirmService,
  31     private videoPlaylistService: VideoPlaylistService,
  32     private videoChannelService: VideoChannelService
  33   ) {}
  34
  35   ngOnInit () {
  36     // Parent get the video channel for us
  37     this.videoChannelSub = this.videoChannelService.videoChannelLoaded
  38                                .subscribe(videoChannel => {
  39                                  this.videoChannel = videoChannel
  40                                  this.loadVideoPlaylists()
  41                                })
  42   }
  43
  44   ngOnDestroy () {
  45     if (this.videoChannelSub) this.videoChannelSub.unsubscribe()
  46   }
  47
  48   onNearOfBottom () {
  49     if (!hasMoreItems(this.pagination)) return
  50
  51     this.pagination.currentPage += 1
  52     this.loadVideoPlaylists()
  53   }
  54
  55   private loadVideoPlaylists () {
  56     this.videoPlaylistService.listChannelPlaylists(this.videoChannel)
  57         .subscribe(res => {
  58           this.videoPlaylists = this.videoPlaylists.concat(res.data)
  59           this.pagination.totalItems = res.total
  60         })
  61   }
  62 }