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 import { ScreenService } from '@app/shared/misc/screen.service'
  15
  16 @Component({
  17   selector: 'my-account-video-channels',
  18   templateUrl: './account-video-channels.component.html',
  19   styleUrls: [ './account-video-channels.component.scss' ]
  20 })
  21 export class AccountVideoChannelsComponent implements OnInit, OnDestroy {
  22   account: Account
  23   videoChannels: VideoChannel[] = []
  24   videos: { [id: number]: Video[] } = {}
  25
  26   channelPagination: ComponentPagination = {
  27     currentPage: 1,
  28     itemsPerPage: 2
  29   }
  30
  31   videosPagination: ComponentPagination = {
  32     currentPage: 1,
  33     itemsPerPage: 12
  34   }
  35   videosSort: VideoSortField = '-publishedAt'
  36
  37   onChannelDataSubject = new Subject<any>()
  38
  39   private accountSub: Subscription
  40
  41   constructor (
  42     private route: ActivatedRoute,
  43     private authService: AuthService,
  44     private accountService: AccountService,
  45     private videoChannelService: VideoChannelService,
  46     private videoService: VideoService,
  47     private screenService: ScreenService
  48   ) { }
  49
  50   get user () {
  51     return this.authService.getUser()
  52   }
  53
  54   ngOnInit () {
  55     // Parent get the account for us
  56     this.accountSub = this.accountService.accountLoaded
  57         .subscribe(account => {
  58           this.account = account
  59
  60           this.loadMoreChannels()
  61         })
  62   }
  63
  64   ngOnDestroy () {
  65     if (this.accountSub) this.accountSub.unsubscribe()
  66   }
  67
  68   loadMoreChannels () {
  69     this.videoChannelService.listAccountVideoChannels(this.account, this.channelPagination)
  70       .pipe(
  71         tap(res => this.channelPagination.totalItems = res.total),
  72         switchMap(res => from(res.data)),
  73         concatMap(videoChannel => {
  74           return this.videoService.getVideoChannelVideos(videoChannel, this.videosPagination, this.videosSort)
  75             .pipe(map(data => ({ videoChannel, videos: data.data })))
  76         })
  77       )
  78       .subscribe(({ videoChannel, videos }) => {
  79         this.videoChannels.push(videoChannel)
  80
  81         this.videos[videoChannel.id] = videos
  82
  83         this.onChannelDataSubject.next([ videoChannel ])
  84       })
  85   }
  86
  87   getVideosOf (videoChannel: VideoChannel) {
  88     const numberOfVideos = this.screenService.getNumberOfAvailableMiniatures()
  89
  90     // 2 rows
  91     return this.videos[ videoChannel.id ].slice(0, numberOfVideos * 2)
  92   }
  93
  94   onNearOfBottom () {
  95     if (!hasMoreItems(this.channelPagination)) return
  96
  97     this.channelPagination.currentPage += 1
  98
  99     this.loadMoreChannels()
 100   }
 101
 102   getVideoChannelLink (videoChannel: VideoChannel) {
 103     return [ '/video-channels', videoChannel.nameWithHost ]
 104   }
 105 }