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import { Component, OnDestroy, OnInit } from '@angular/core'
import { ActivatedRoute } from '@angular/router'
import { Account } from '@app/shared/account/account.model'
import { AccountService } from '@app/shared/account/account.service'
import { VideoChannelService } from '@app/shared/video-channel/video-channel.service'
import { concatMap, map, switchMap, tap } from 'rxjs/operators'
import { from, Subscription } from 'rxjs'
import { VideoChannel } from '@app/shared/video-channel/video-channel.model'
import { Video } from '@app/shared/video/video.model'
import { AuthService } from '@app/core'
import { VideoService } from '@app/shared/video/video.service'
import { VideoSortField } from '@app/shared/video/sort-field.type'
import { ComponentPagination, hasMoreItems } from '@app/shared/rest/component-pagination.model'
@Component({
selector: 'my-account-video-channels',
templateUrl: './account-video-channels.component.html',
styleUrls: [ './account-video-channels.component.scss' ]
})
export class AccountVideoChannelsComponent implements OnInit, OnDestroy {
account: Account
videoChannels: VideoChannel[] = []
videos: { [id: number]: Video[] } = {}
channelPagination: ComponentPagination = {
currentPage: 1,
itemsPerPage: 2
}
videosPagination: ComponentPagination = {
currentPage: 1,
itemsPerPage: 12
}
videosSort: VideoSortField = '-publishedAt'
private accountSub: Subscription
constructor (
private route: ActivatedRoute,
private authService: AuthService,
private accountService: AccountService,
private videoChannelService: VideoChannelService,
private videoService: VideoService
) { }
get user () {
return this.authService.getUser()
}
ngOnInit () {
// Parent get the account for us
this.accountSub = this.accountService.accountLoaded
.subscribe(account => {
this.account = account
this.loadMoreChannels()
})
}
ngOnDestroy () {
if (this.accountSub) this.accountSub.unsubscribe()
}
loadMoreChannels () {
this.videoChannelService.listAccountVideoChannels(this.account, this.channelPagination)
.pipe(
tap(res => this.channelPagination.totalItems = res.total),
switchMap(res => from(res.data)),
concatMap(videoChannel => {
return this.videoService.getVideoChannelVideos(videoChannel, this.videosPagination, this.videosSort)
.pipe(map(data => ({ videoChannel, videos: data.videos })))
})
)
.subscribe(({ videoChannel, videos }) => {
this.videoChannels.push(videoChannel)
this.videos[videoChannel.id] = videos
})
}
getVideosOf (videoChannel: VideoChannel) {
return this.videos[ videoChannel.id ] || []
}
onNearOfBottom () {
if (!hasMoreItems(this.channelPagination)) return
this.channelPagination.currentPage += 1
this.loadMoreChannels()
}
}
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