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import { Subject, Subscription } from 'rxjs'
import { Component, OnDestroy, OnInit } from '@angular/core'
import { ComponentPagination, hasMoreItems } from '@app/core'
import { VideoChannel, VideoChannelService } from '@app/shared/shared-main'
import { VideoPlaylist, VideoPlaylistService } from '@app/shared/shared-video-playlist'
@Component({
selector: 'my-video-channel-playlists',
templateUrl: './video-channel-playlists.component.html',
styleUrls: [ './video-channel-playlists.component.scss' ]
})
export class VideoChannelPlaylistsComponent implements OnInit, OnDestroy {
videoPlaylists: VideoPlaylist[] = []
pagination: ComponentPagination = {
currentPage: 1,
itemsPerPage: 20,
totalItems: null
}
onDataSubject = new Subject<any[]>()
private videoChannelSub: Subscription
private videoChannel: VideoChannel
constructor (
private videoPlaylistService: VideoPlaylistService,
private videoChannelService: VideoChannelService
) {}
ngOnInit () {
// Parent get the video channel for us
this.videoChannelSub = this.videoChannelService.videoChannelLoaded
.subscribe(videoChannel => {
this.videoChannel = videoChannel
this.loadVideoPlaylists()
})
}
ngOnDestroy () {
if (this.videoChannelSub) this.videoChannelSub.unsubscribe()
}
onNearOfBottom () {
if (!hasMoreItems(this.pagination)) return
this.pagination.currentPage += 1
this.loadVideoPlaylists()
}
private loadVideoPlaylists () {
this.videoPlaylistService.listChannelPlaylists(this.videoChannel, this.pagination)
.subscribe(res => {
this.videoPlaylists = this.videoPlaylists.concat(res.data)
this.pagination.totalItems = res.total
this.onDataSubject.next(res.data)
})
}
}
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