client/src/app/+accounts/account-video-channels/account-video-channels.component.ts

   1 import { Component, OnDestroy, OnInit } from '@angular/core'
   2 import { ActivatedRoute } from '@angular/router'
   3 import { Account } from '@app/shared/account/account.model'
   4 import { AccountService } from '@app/shared/account/account.service'
   5 import { VideoChannelService } from '@app/shared/video-channel/video-channel.service'
   6 import { concatMap, map, switchMap, tap } from 'rxjs/operators'
   7 import { from, Subject, Subscription } from 'rxjs'
   8 import { VideoChannel } from '@app/shared/video-channel/video-channel.model'
   9 import { Video } from '@app/shared/video/video.model'
  10 import { AuthService } from '@app/core'
  11 import { VideoService } from '@app/shared/video/video.service'
  12 import { VideoSortField } from '@app/shared/video/sort-field.type'
  13 import { ComponentPagination, hasMoreItems } from '@app/shared/rest/component-pagination.model'
  14
  15 @Component({
  16   selector: 'my-account-video-channels',
  17   templateUrl: './account-video-channels.component.html',
  18   styleUrls: [ './account-video-channels.component.scss' ]
  19 })
  20 export class AccountVideoChannelsComponent implements OnInit, OnDestroy {
  21   account: Account
  22   videoChannels: VideoChannel[] = []
  23   videos: { [id: number]: Video[] } = {}
  24
  25   channelPagination: ComponentPagination = {
  26     currentPage: 1,
  27     itemsPerPage: 2
  28   }
  29
  30   videosPagination: ComponentPagination = {
  31     currentPage: 1,
  32     itemsPerPage: 12
  33   }
  34   videosSort: VideoSortField = '-publishedAt'
  35
  36   onChannelDataSubject = new Subject<any>()
  37
  38   private accountSub: Subscription
  39
  40   constructor (
  41     private route: ActivatedRoute,
  42     private authService: AuthService,
  43     private accountService: AccountService,
  44     private videoChannelService: VideoChannelService,
  45     private videoService: VideoService
  46   ) { }
  47
  48   get user () {
  49     return this.authService.getUser()
  50   }
  51
  52   ngOnInit () {
  53     // Parent get the account for us
  54     this.accountSub = this.accountService.accountLoaded
  55         .subscribe(account => {
  56           this.account = account
  57
  58           this.loadMoreChannels()
  59         })
  60   }
  61
  62   ngOnDestroy () {
  63     if (this.accountSub) this.accountSub.unsubscribe()
  64   }
  65
  66   loadMoreChannels () {
  67     this.videoChannelService.listAccountVideoChannels(this.account, this.channelPagination)
  68       .pipe(
  69         tap(res => this.channelPagination.totalItems = res.total),
  70         switchMap(res => from(res.data)),
  71         concatMap(videoChannel => {
  72           return this.videoService.getVideoChannelVideos(videoChannel, this.videosPagination, this.videosSort)
  73             .pipe(map(data => ({ videoChannel, videos: data.data })))
  74         })
  75       )
  76       .subscribe(({ videoChannel, videos }) => {
  77         this.videoChannels.push(videoChannel)
  78
  79         this.videos[videoChannel.id] = videos
  80
  81         this.onChannelDataSubject.next([ videoChannel ])
  82       })
  83   }
  84
  85   getVideosOf (videoChannel: VideoChannel) {
  86     return this.videos[ videoChannel.id ]
  87   }
  88
  89   onNearOfBottom () {
  90     if (!hasMoreItems(this.channelPagination)) return
  91
  92     this.channelPagination.currentPage += 1
  93
  94     this.loadMoreChannels()
  95   }
  96
  97   getVideoChannelLink (videoChannel: VideoChannel) {
  98     return [ '/video-channels', videoChannel.nameWithHost ]
  99   }
 100 }