client/src/app/shared/video/abstract-video-list.ts

   1 import { debounceTime } from 'rxjs/operators'
   2 import { OnDestroy, OnInit } from '@angular/core'
   3 import { ActivatedRoute, Router } from '@angular/router'
   4 import { fromEvent, Observable, Subscription } from 'rxjs'
   5 import { AuthService } from '../../core/auth'
   6 import { ComponentPagination } from '../rest/component-pagination.model'
   7 import { VideoSortField } from './sort-field.type'
   8 import { Video } from './video.model'
   9 import { ScreenService } from '@app/shared/misc/screen.service'
  10 import { MiniatureDisplayOptions, OwnerDisplayType } from '@app/shared/video/video-miniature.component'
  11 import { Syndication } from '@app/shared/video/syndication.model'
  12 import { Notifier, ServerService } from '@app/core'
  13 import { DisableForReuseHook } from '@app/core/routing/disable-for-reuse-hook'
  14 import { I18n } from '@ngx-translate/i18n-polyfill'
  15 import { isLastMonth, isLastWeek, isToday, isYesterday } from '@shared/core-utils/miscs/date'
  16
  17 enum GroupDate {
  18   UNKNOWN = 0,
  19   TODAY = 1,
  20   YESTERDAY = 2,
  21   LAST_WEEK = 3,
  22   LAST_MONTH = 4,
  23   OLDER = 5
  24 }
  25
  26 export abstract class AbstractVideoList implements OnInit, OnDestroy, DisableForReuseHook {
  27   pagination: ComponentPagination = {
  28     currentPage: 1,
  29     itemsPerPage: 25,
  30     totalItems: null
  31   }
  32   sort: VideoSortField = '-publishedAt'
  33
  34   categoryOneOf?: number
  35   defaultSort: VideoSortField = '-publishedAt'
  36
  37   syndicationItems: Syndication[] = []
  38
  39   loadOnInit = true
  40   videos: Video[] = []
  41   ownerDisplayType: OwnerDisplayType = 'account'
  42   displayModerationBlock = false
  43   titleTooltip: string
  44   displayVideoActions = true
  45   groupByDate = false
  46
  47   disabled = false
  48
  49   displayOptions: MiniatureDisplayOptions = {
  50     date: true,
  51     views: true,
  52     by: true,
  53     privacyLabel: true,
  54     privacyText: false,
  55     state: false,
  56     blacklistInfo: false
  57   }
  58
  59   protected abstract notifier: Notifier
  60   protected abstract authService: AuthService
  61   protected abstract route: ActivatedRoute
  62   protected abstract serverService: ServerService
  63   protected abstract screenService: ScreenService
  64   protected abstract router: Router
  65   protected abstract i18n: I18n
  66   abstract titlePage: string
  67
  68   private resizeSubscription: Subscription
  69   private angularState: number
  70
  71   private groupedDateLabels: { [id in GroupDate]: string }
  72   private groupedDates: { [id: number]: GroupDate } = {}
  73
  74   abstract getVideosObservable (page: number): Observable<{ videos: Video[], totalVideos: number }>
  75
  76   abstract generateSyndicationList (): void
  77
  78   get user () {
  79     return this.authService.getUser()
  80   }
  81
  82   ngOnInit () {
  83     this.groupedDateLabels = {
  84       [GroupDate.UNKNOWN]: null,
  85       [GroupDate.TODAY]: this.i18n('Today'),
  86       [GroupDate.YESTERDAY]: this.i18n('Yesterday'),
  87       [GroupDate.LAST_WEEK]: this.i18n('Last week'),
  88       [GroupDate.LAST_MONTH]: this.i18n('Last month'),
  89       [GroupDate.OLDER]: this.i18n('Older')
  90     }
  91
  92     // Subscribe to route changes
  93     const routeParams = this.route.snapshot.queryParams
  94     this.loadRouteParams(routeParams)
  95
  96     this.resizeSubscription = fromEvent(window, 'resize')
  97       .pipe(debounceTime(500))
  98       .subscribe(() => this.calcPageSizes())
  99
 100     this.calcPageSizes()
 101     if (this.loadOnInit === true) this.loadMoreVideos()
 102   }
 103
 104   ngOnDestroy () {
 105     if (this.resizeSubscription) this.resizeSubscription.unsubscribe()
 106   }
 107
 108   disableForReuse () {
 109     this.disabled = true
 110   }
 111
 112   enabledForReuse () {
 113     this.disabled = false
 114   }
 115
 116   videoById (index: number, video: Video) {
 117     return video.id
 118   }
 119
 120   onNearOfBottom () {
 121     if (this.disabled) return
 122
 123     // Last page
 124     if (this.pagination.totalItems <= (this.pagination.currentPage * this.pagination.itemsPerPage)) return
 125
 126     this.pagination.currentPage += 1
 127
 128     this.setScrollRouteParams()
 129
 130     this.loadMoreVideos()
 131   }
 132
 133   loadMoreVideos () {
 134     const observable = this.getVideosObservable(this.pagination.currentPage)
 135
 136     observable.subscribe(
 137       ({ videos, totalVideos }) => {
 138         this.pagination.totalItems = totalVideos
 139         this.videos = this.videos.concat(videos)
 140
 141         if (this.groupByDate) this.buildGroupedDateLabels()
 142
 143         this.onMoreVideos()
 144       },
 145
 146       error => this.notifier.error(error.message)
 147     )
 148   }
 149
 150   reloadVideos () {
 151     this.pagination.currentPage = 1
 152     this.videos = []
 153     this.loadMoreVideos()
 154   }
 155
 156   toggleModerationDisplay () {
 157     throw new Error('toggleModerationDisplay is not implemented')
 158   }
 159
 160   removeVideoFromArray (video: Video) {
 161     this.videos = this.videos.filter(v => v.id !== video.id)
 162   }
 163
 164   buildGroupedDateLabels () {
 165     let currentGroupedDate: GroupDate = GroupDate.UNKNOWN
 166
 167     for (const video of this.videos) {
 168       const publishedDate = video.publishedAt
 169
 170       if (currentGroupedDate <= GroupDate.TODAY && isToday(publishedDate)) {
 171         if (currentGroupedDate === GroupDate.TODAY) continue
 172
 173         currentGroupedDate = GroupDate.TODAY
 174         this.groupedDates[ video.id ] = currentGroupedDate
 175         continue
 176       }
 177
 178       if (currentGroupedDate <= GroupDate.YESTERDAY && isYesterday(publishedDate)) {
 179         if (currentGroupedDate === GroupDate.YESTERDAY) continue
 180
 181         currentGroupedDate = GroupDate.YESTERDAY
 182         this.groupedDates[ video.id ] = currentGroupedDate
 183         continue
 184       }
 185
 186       if (currentGroupedDate <= GroupDate.LAST_WEEK && isLastWeek(publishedDate)) {
 187         if (currentGroupedDate === GroupDate.LAST_WEEK) continue
 188
 189         currentGroupedDate = GroupDate.LAST_WEEK
 190         this.groupedDates[ video.id ] = currentGroupedDate
 191         continue
 192       }
 193
 194       if (currentGroupedDate <= GroupDate.LAST_MONTH && isLastMonth(publishedDate)) {
 195         if (currentGroupedDate === GroupDate.LAST_MONTH) continue
 196
 197         currentGroupedDate = GroupDate.LAST_MONTH
 198         this.groupedDates[ video.id ] = currentGroupedDate
 199         continue
 200       }
 201
 202       if (currentGroupedDate <= GroupDate.OLDER) {
 203         if (currentGroupedDate === GroupDate.OLDER) continue
 204
 205         currentGroupedDate = GroupDate.OLDER
 206         this.groupedDates[ video.id ] = currentGroupedDate
 207       }
 208     }
 209   }
 210
 211   getCurrentGroupedDateLabel (video: Video) {
 212     if (this.groupByDate === false) return undefined
 213
 214     return this.groupedDateLabels[this.groupedDates[video.id]]
 215   }
 216
 217   // On videos hook for children that want to do something
 218   protected onMoreVideos () { /* empty */ }
 219
 220   protected loadRouteParams (routeParams: { [ key: string ]: any }) {
 221     this.sort = routeParams[ 'sort' ] as VideoSortField || this.defaultSort
 222     this.categoryOneOf = routeParams[ 'categoryOneOf' ]
 223     this.angularState = routeParams[ 'a-state' ]
 224   }
 225
 226   private calcPageSizes () {
 227     if (this.screenService.isInMobileView()) {
 228       this.pagination.itemsPerPage = 5
 229     }
 230   }
 231
 232   private setScrollRouteParams () {
 233     // Already set
 234     if (this.angularState) return
 235
 236     this.angularState = 42
 237
 238     const queryParams = {
 239       'a-state': this.angularState,
 240       categoryOneOf: this.categoryOneOf
 241     }
 242
 243     let path = this.router.url
 244     if (!path || path === '/') path = this.serverService.getConfig().instance.defaultClientRoute
 245
 246     this.router.navigate([ path ], { queryParams, replaceUrl: true, queryParamsHandling: 'merge' })
 247   }
 248 }