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

   1 import { fromEvent, Observable, Subject, Subscription } from 'rxjs'
   2 import { debounceTime, switchMap, tap } from 'rxjs/operators'
   3 import { OnDestroy, OnInit } from '@angular/core'
   4 import { ActivatedRoute, Router } from '@angular/router'
   5 import {
   6   AuthService,
   7   ComponentPaginationLight,
   8   LocalStorageService,
   9   Notifier,
  10   ScreenService,
  11   ServerService,
  12   User,
  13   UserService
  14 } from '@app/core'
  15 import { DisableForReuseHook } from '@app/core/routing/disable-for-reuse-hook'
  16 import { GlobalIconName } from '@app/shared/shared-icons'
  17 import { I18n } from '@ngx-translate/i18n-polyfill'
  18 import { isLastMonth, isLastWeek, isToday, isYesterday } from '@shared/core-utils/miscs/date'
  19 import { ServerConfig, VideoSortField } from '@shared/models'
  20 import { NSFWPolicyType } from '@shared/models/videos/nsfw-policy.type'
  21 import { Syndication, Video } from '../shared-main'
  22 import { MiniatureDisplayOptions, OwnerDisplayType } from './video-miniature.component'
  23
  24 enum GroupDate {
  25   UNKNOWN = 0,
  26   TODAY = 1,
  27   YESTERDAY = 2,
  28   LAST_WEEK = 3,
  29   LAST_MONTH = 4,
  30   OLDER = 5
  31 }
  32
  33 export abstract class AbstractVideoList implements OnInit, OnDestroy, DisableForReuseHook {
  34   pagination: ComponentPaginationLight = {
  35     currentPage: 1,
  36     itemsPerPage: 25
  37   }
  38   sort: VideoSortField = '-publishedAt'
  39
  40   categoryOneOf?: number[]
  41   languageOneOf?: string[]
  42   nsfwPolicy?: NSFWPolicyType
  43   defaultSort: VideoSortField = '-publishedAt'
  44
  45   syndicationItems: Syndication[] = []
  46
  47   loadOnInit = true
  48   useUserVideoPreferences = false
  49   ownerDisplayType: OwnerDisplayType = 'account'
  50   displayModerationBlock = false
  51   titleTooltip: string
  52   displayVideoActions = true
  53   groupByDate = false
  54
  55   videos: Video[] = []
  56   hasDoneFirstQuery = false
  57   disabled = false
  58
  59   displayOptions: MiniatureDisplayOptions = {
  60     date: true,
  61     views: true,
  62     by: true,
  63     avatar: false,
  64     privacyLabel: true,
  65     privacyText: false,
  66     state: false,
  67     blacklistInfo: false
  68   }
  69
  70   actions: {
  71     routerLink: string
  72     iconName: GlobalIconName
  73     label: string
  74   }[] = []
  75
  76   onDataSubject = new Subject<any[]>()
  77
  78   userMiniature: User
  79
  80   protected serverConfig: ServerConfig
  81
  82   protected abstract notifier: Notifier
  83   protected abstract authService: AuthService
  84   protected abstract userService: UserService
  85   protected abstract route: ActivatedRoute
  86   protected abstract serverService: ServerService
  87   protected abstract screenService: ScreenService
  88   protected abstract storageService: LocalStorageService
  89   protected abstract router: Router
  90   protected abstract i18n: I18n
  91   abstract titlePage: string
  92
  93   private resizeSubscription: Subscription
  94   private angularState: number
  95
  96   private groupedDateLabels: { [id in GroupDate]: string }
  97   private groupedDates: { [id: number]: GroupDate } = {}
  98
  99   private lastQueryLength: number
 100
 101   abstract getVideosObservable (page: number): Observable<{ data: Video[] }>
 102
 103   abstract generateSyndicationList (): void
 104
 105   ngOnInit () {
 106     this.serverConfig = this.serverService.getTmpConfig()
 107     this.serverService.getConfig()
 108       .subscribe(config => this.serverConfig = config)
 109
 110     this.groupedDateLabels = {
 111       [GroupDate.UNKNOWN]: null,
 112       [GroupDate.TODAY]: this.i18n('Today'),
 113       [GroupDate.YESTERDAY]: this.i18n('Yesterday'),
 114       [GroupDate.LAST_WEEK]: this.i18n('Last week'),
 115       [GroupDate.LAST_MONTH]: this.i18n('Last month'),
 116       [GroupDate.OLDER]: this.i18n('Older')
 117     }
 118
 119     // Subscribe to route changes
 120     const routeParams = this.route.snapshot.queryParams
 121     this.loadRouteParams(routeParams)
 122
 123     this.resizeSubscription = fromEvent(window, 'resize')
 124       .pipe(debounceTime(500))
 125       .subscribe(() => this.calcPageSizes())
 126
 127     this.calcPageSizes()
 128
 129     const loadUserObservable = this.loadUserAndSettings()
 130
 131     if (this.loadOnInit === true) {
 132       loadUserObservable.subscribe(() => this.loadMoreVideos())
 133     }
 134
 135     this.userService.listenAnonymousUpdate()
 136       .pipe(switchMap(() => this.loadUserAndSettings()))
 137       .subscribe(() => {
 138         if (this.hasDoneFirstQuery) this.reloadVideos()
 139       })
 140
 141     // Display avatar in mobile view
 142     if (this.screenService.isInMobileView()) {
 143       this.displayOptions.avatar = true
 144     }
 145   }
 146
 147   ngOnDestroy () {
 148     if (this.resizeSubscription) this.resizeSubscription.unsubscribe()
 149   }
 150
 151   disableForReuse () {
 152     this.disabled = true
 153   }
 154
 155   enabledForReuse () {
 156     this.disabled = false
 157   }
 158
 159   videoById (index: number, video: Video) {
 160     return video.id
 161   }
 162
 163   onNearOfBottom () {
 164     if (this.disabled) return
 165
 166     // No more results
 167     if (this.lastQueryLength !== undefined && this.lastQueryLength < this.pagination.itemsPerPage) return
 168
 169     this.pagination.currentPage += 1
 170
 171     this.setScrollRouteParams()
 172
 173     this.loadMoreVideos()
 174   }
 175
 176   loadMoreVideos (reset = false) {
 177     this.getVideosObservable(this.pagination.currentPage).subscribe(
 178       ({ data }) => {
 179         this.hasDoneFirstQuery = true
 180         this.lastQueryLength = data.length
 181
 182         if (reset) this.videos = []
 183         this.videos = this.videos.concat(data)
 184
 185         if (this.groupByDate) this.buildGroupedDateLabels()
 186
 187         this.onMoreVideos()
 188
 189         this.onDataSubject.next(data)
 190       },
 191
 192       error => {
 193         const message = this.i18n('Cannot load more videos. Try again later.')
 194
 195         console.error(message, { error })
 196         this.notifier.error(message)
 197       }
 198     )
 199   }
 200
 201   reloadVideos () {
 202     this.pagination.currentPage = 1
 203     this.loadMoreVideos(true)
 204   }
 205
 206   toggleModerationDisplay () {
 207     throw new Error('toggleModerationDisplay is not implemented')
 208   }
 209
 210   removeVideoFromArray (video: Video) {
 211     this.videos = this.videos.filter(v => v.id !== video.id)
 212   }
 213
 214   buildGroupedDateLabels () {
 215     let currentGroupedDate: GroupDate = GroupDate.UNKNOWN
 216
 217     for (const video of this.videos) {
 218       const publishedDate = video.publishedAt
 219
 220       if (currentGroupedDate <= GroupDate.TODAY && isToday(publishedDate)) {
 221         if (currentGroupedDate === GroupDate.TODAY) continue
 222
 223         currentGroupedDate = GroupDate.TODAY
 224         this.groupedDates[ video.id ] = currentGroupedDate
 225         continue
 226       }
 227
 228       if (currentGroupedDate <= GroupDate.YESTERDAY && isYesterday(publishedDate)) {
 229         if (currentGroupedDate === GroupDate.YESTERDAY) continue
 230
 231         currentGroupedDate = GroupDate.YESTERDAY
 232         this.groupedDates[ video.id ] = currentGroupedDate
 233         continue
 234       }
 235
 236       if (currentGroupedDate <= GroupDate.LAST_WEEK && isLastWeek(publishedDate)) {
 237         if (currentGroupedDate === GroupDate.LAST_WEEK) continue
 238
 239         currentGroupedDate = GroupDate.LAST_WEEK
 240         this.groupedDates[ video.id ] = currentGroupedDate
 241         continue
 242       }
 243
 244       if (currentGroupedDate <= GroupDate.LAST_MONTH && isLastMonth(publishedDate)) {
 245         if (currentGroupedDate === GroupDate.LAST_MONTH) continue
 246
 247         currentGroupedDate = GroupDate.LAST_MONTH
 248         this.groupedDates[ video.id ] = currentGroupedDate
 249         continue
 250       }
 251
 252       if (currentGroupedDate <= GroupDate.OLDER) {
 253         if (currentGroupedDate === GroupDate.OLDER) continue
 254
 255         currentGroupedDate = GroupDate.OLDER
 256         this.groupedDates[ video.id ] = currentGroupedDate
 257       }
 258     }
 259   }
 260
 261   getCurrentGroupedDateLabel (video: Video) {
 262     if (this.groupByDate === false) return undefined
 263
 264     return this.groupedDateLabels[this.groupedDates[video.id]]
 265   }
 266
 267   // On videos hook for children that want to do something
 268   protected onMoreVideos () { /* empty */ }
 269
 270   protected loadRouteParams (routeParams: { [ key: string ]: any }) {
 271     this.sort = routeParams[ 'sort' ] as VideoSortField || this.defaultSort
 272     this.categoryOneOf = routeParams[ 'categoryOneOf' ]
 273     this.angularState = routeParams[ 'a-state' ]
 274   }
 275
 276   private calcPageSizes () {
 277     if (this.screenService.isInMobileView()) {
 278       this.pagination.itemsPerPage = 5
 279     }
 280   }
 281
 282   private setScrollRouteParams () {
 283     // Already set
 284     if (this.angularState) return
 285
 286     this.angularState = 42
 287
 288     const queryParams = {
 289       'a-state': this.angularState,
 290       categoryOneOf: this.categoryOneOf
 291     }
 292
 293     let path = this.router.url
 294     if (!path || path === '/') path = this.serverConfig.instance.defaultClientRoute
 295
 296     this.router.navigate([ path ], { queryParams, replaceUrl: true, queryParamsHandling: 'merge' })
 297   }
 298
 299   private loadUserAndSettings () {
 300     return this.userService.getAnonymousOrLoggedUser()
 301       .pipe(tap(user => {
 302         this.userMiniature = user
 303
 304         if (!this.useUserVideoPreferences) return
 305
 306         this.languageOneOf = user.videoLanguages
 307         this.nsfwPolicy = user.nsfwPolicy
 308       }))
 309   }
 310 }