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

   1 import { from, Subject, Subscription } from 'rxjs'
   2 import { concatMap, map, switchMap, tap } from 'rxjs/operators'
   3 import { Component, OnDestroy, OnInit } from '@angular/core'
   4 import { UserService } from '@app/shared'
   5 import { Account } from '@app/shared/account/account.model'
   6 import { AccountService } from '@app/shared/account/account.service'
   7 import { ScreenService } from '@app/shared/misc/screen.service'
   8 import { ComponentPagination, hasMoreItems } from '@app/shared/rest/component-pagination.model'
   9 import { VideoChannel } from '@app/shared/video-channel/video-channel.model'
  10 import { VideoChannelService } from '@app/shared/video-channel/video-channel.service'
  11 import { VideoSortField } from '@app/shared/video/sort-field.type'
  12 import { Video } from '@app/shared/video/video.model'
  13 import { VideoService } from '@app/shared/video/video.service'
  14 import { User } from '@shared/models'
  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     totalItems: null
  30   }
  31
  32   videosPagination: ComponentPagination = {
  33     currentPage: 1,
  34     itemsPerPage: 12,
  35     totalItems: null
  36   }
  37   videosSort: VideoSortField = '-publishedAt'
  38
  39   onChannelDataSubject = new Subject<any>()
  40
  41   userMiniature: User
  42
  43   private accountSub: Subscription
  44
  45   constructor (
  46     private accountService: AccountService,
  47     private videoChannelService: VideoChannelService,
  48     private videoService: VideoService,
  49     private screenService: ScreenService,
  50     private userService: UserService
  51   ) { }
  52
  53   ngOnInit () {
  54     // Parent get the account for us
  55     this.accountSub = this.accountService.accountLoaded
  56         .subscribe(account => {
  57           this.account = account
  58
  59           this.loadMoreChannels()
  60         })
  61
  62     this.userService.getAnonymousOrLoggedUser()
  63       .subscribe(user => this.userMiniature = user)
  64   }
  65
  66   ngOnDestroy () {
  67     if (this.accountSub) this.accountSub.unsubscribe()
  68   }
  69
  70   loadMoreChannels () {
  71     this.videoChannelService.listAccountVideoChannels(this.account, this.channelPagination)
  72       .pipe(
  73         tap(res => this.channelPagination.totalItems = res.total),
  74         switchMap(res => from(res.data)),
  75         concatMap(videoChannel => {
  76           return this.videoService.getVideoChannelVideos(videoChannel, this.videosPagination, this.videosSort)
  77             .pipe(map(data => ({ videoChannel, videos: data.data })))
  78         })
  79       )
  80       .subscribe(({ videoChannel, videos }) => {
  81         this.videoChannels.push(videoChannel)
  82
  83         this.videos[videoChannel.id] = videos
  84
  85         this.onChannelDataSubject.next([ videoChannel ])
  86       })
  87   }
  88
  89   getVideosOf (videoChannel: VideoChannel) {
  90     const numberOfVideos = this.screenService.getNumberOfAvailableMiniatures()
  91
  92     // 2 rows
  93     return this.videos[ videoChannel.id ].slice(0, numberOfVideos * 2)
  94   }
  95
  96   onNearOfBottom () {
  97     if (!hasMoreItems(this.channelPagination)) return
  98
  99     this.channelPagination.currentPage += 1
 100
 101     this.loadMoreChannels()
 102   }
 103
 104   getVideoChannelLink (videoChannel: VideoChannel) {
 105     return [ '/video-channels', videoChannel.nameWithHost ]
 106   }
 107 }