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, Directive } 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 @Directive()
  34 export abstract class AbstractVideoList implements OnInit, OnDestroy, DisableForReuseHook {
  35   pagination: ComponentPaginationLight = {
  36     currentPage: 1,
  37     itemsPerPage: 25
  38   }
  39   sort: VideoSortField = '-publishedAt'
  40
  41   categoryOneOf?: number[]
  42   languageOneOf?: string[]
  43   nsfwPolicy?: NSFWPolicyType
  44   defaultSort: VideoSortField = '-publishedAt'
  45
  46   syndicationItems: Syndication[] = []
  47
  48   loadOnInit = true
  49   useUserVideoPreferences = false
  50   ownerDisplayType: OwnerDisplayType = 'account'
  51   displayModerationBlock = false
  52   titleTooltip: string
  53   displayVideoActions = true
  54   groupByDate = false
  55
  56   videos: Video[] = []
  57   hasDoneFirstQuery = false
  58   disabled = false
  59
  60   displayOptions: MiniatureDisplayOptions = {
  61     date: true,
  62     views: true,
  63     by: true,
  64     avatar: false,
  65     privacyLabel: true,
  66     privacyText: false,
  67     state: false,
  68     blacklistInfo: false
  69   }
  70
  71   actions: {
  72     routerLink: string
  73     iconName: GlobalIconName
  74     label: string
  75   }[] = []
  76
  77   onDataSubject = new Subject<any[]>()
  78
  79   userMiniature: User
  80
  81   protected serverConfig: ServerConfig
  82
  83   protected abstract notifier: Notifier
  84   protected abstract authService: AuthService
  85   protected abstract userService: UserService
  86   protected abstract route: ActivatedRoute
  87   protected abstract serverService: ServerService
  88   protected abstract screenService: ScreenService
  89   protected abstract storageService: LocalStorageService
  90   protected abstract router: Router
  91   protected abstract i18n: I18n
  92   abstract titlePage: string
  93
  94   private resizeSubscription: Subscription
  95   private angularState: number
  96
  97   private groupedDateLabels: { [id in GroupDate]: string }
  98   private groupedDates: { [id: number]: GroupDate } = {}
  99
 100   private lastQueryLength: number
 101
 102   abstract getVideosObservable (page: number): Observable<{ data: Video[] }>
 103
 104   abstract generateSyndicationList (): void
 105
 106   ngOnInit () {
 107     this.serverConfig = this.serverService.getTmpConfig()
 108     this.serverService.getConfig()
 109       .subscribe(config => this.serverConfig = config)
 110
 111     this.groupedDateLabels = {
 112       [GroupDate.UNKNOWN]: null,
 113       [GroupDate.TODAY]: this.i18n('Today'),
 114       [GroupDate.YESTERDAY]: this.i18n('Yesterday'),
 115       [GroupDate.LAST_WEEK]: this.i18n('Last week'),
 116       [GroupDate.LAST_MONTH]: this.i18n('Last month'),
 117       [GroupDate.OLDER]: this.i18n('Older')
 118     }
 119
 120     // Subscribe to route changes
 121     const routeParams = this.route.snapshot.queryParams
 122     this.loadRouteParams(routeParams)
 123
 124     this.resizeSubscription = fromEvent(window, 'resize')
 125       .pipe(debounceTime(500))
 126       .subscribe(() => this.calcPageSizes())
 127
 128     this.calcPageSizes()
 129
 130     const loadUserObservable = this.loadUserAndSettings()
 131
 132     if (this.loadOnInit === true) {
 133       loadUserObservable.subscribe(() => this.loadMoreVideos())
 134     }
 135
 136     this.userService.listenAnonymousUpdate()
 137       .pipe(switchMap(() => this.loadUserAndSettings()))
 138       .subscribe(() => {
 139         if (this.hasDoneFirstQuery) this.reloadVideos()
 140       })
 141
 142     // Display avatar in mobile view
 143     if (this.screenService.isInMobileView()) {
 144       this.displayOptions.avatar = true
 145     }
 146   }
 147
 148   ngOnDestroy () {
 149     if (this.resizeSubscription) this.resizeSubscription.unsubscribe()
 150   }
 151
 152   disableForReuse () {
 153     this.disabled = true
 154   }
 155
 156   enabledForReuse () {
 157     this.disabled = false
 158   }
 159
 160   videoById (index: number, video: Video) {
 161     return video.id
 162   }
 163
 164   onNearOfBottom () {
 165     if (this.disabled) return
 166
 167     // No more results
 168     if (this.lastQueryLength !== undefined && this.lastQueryLength < this.pagination.itemsPerPage) return
 169
 170     this.pagination.currentPage += 1
 171
 172     this.setScrollRouteParams()
 173
 174     this.loadMoreVideos()
 175   }
 176
 177   loadMoreVideos (reset = false) {
 178     this.getVideosObservable(this.pagination.currentPage).subscribe(
 179       ({ data }) => {
 180         this.hasDoneFirstQuery = true
 181         this.lastQueryLength = data.length
 182
 183         if (reset) this.videos = []
 184         this.videos = this.videos.concat(data)
 185
 186         if (this.groupByDate) this.buildGroupedDateLabels()
 187
 188         this.onMoreVideos()
 189
 190         this.onDataSubject.next(data)
 191       },
 192
 193       error => {
 194         const message = this.i18n('Cannot load more videos. Try again later.')
 195
 196         console.error(message, { error })
 197         this.notifier.error(message)
 198       }
 199     )
 200   }
 201
 202   reloadVideos () {
 203     this.pagination.currentPage = 1
 204     this.loadMoreVideos(true)
 205   }
 206
 207   toggleModerationDisplay () {
 208     throw new Error('toggleModerationDisplay is not implemented')
 209   }
 210
 211   removeVideoFromArray (video: Video) {
 212     this.videos = this.videos.filter(v => v.id !== video.id)
 213   }
 214
 215   buildGroupedDateLabels () {
 216     let currentGroupedDate: GroupDate = GroupDate.UNKNOWN
 217
 218     for (const video of this.videos) {
 219       const publishedDate = video.publishedAt
 220
 221       if (currentGroupedDate <= GroupDate.TODAY && isToday(publishedDate)) {
 222         if (currentGroupedDate === GroupDate.TODAY) continue
 223
 224         currentGroupedDate = GroupDate.TODAY
 225         this.groupedDates[ video.id ] = currentGroupedDate
 226         continue
 227       }
 228
 229       if (currentGroupedDate <= GroupDate.YESTERDAY && isYesterday(publishedDate)) {
 230         if (currentGroupedDate === GroupDate.YESTERDAY) continue
 231
 232         currentGroupedDate = GroupDate.YESTERDAY
 233         this.groupedDates[ video.id ] = currentGroupedDate
 234         continue
 235       }
 236
 237       if (currentGroupedDate <= GroupDate.LAST_WEEK && isLastWeek(publishedDate)) {
 238         if (currentGroupedDate === GroupDate.LAST_WEEK) continue
 239
 240         currentGroupedDate = GroupDate.LAST_WEEK
 241         this.groupedDates[ video.id ] = currentGroupedDate
 242         continue
 243       }
 244
 245       if (currentGroupedDate <= GroupDate.LAST_MONTH && isLastMonth(publishedDate)) {
 246         if (currentGroupedDate === GroupDate.LAST_MONTH) continue
 247
 248         currentGroupedDate = GroupDate.LAST_MONTH
 249         this.groupedDates[ video.id ] = currentGroupedDate
 250         continue
 251       }
 252
 253       if (currentGroupedDate <= GroupDate.OLDER) {
 254         if (currentGroupedDate === GroupDate.OLDER) continue
 255
 256         currentGroupedDate = GroupDate.OLDER
 257         this.groupedDates[ video.id ] = currentGroupedDate
 258       }
 259     }
 260   }
 261
 262   getCurrentGroupedDateLabel (video: Video) {
 263     if (this.groupByDate === false) return undefined
 264
 265     return this.groupedDateLabels[this.groupedDates[video.id]]
 266   }
 267
 268   // On videos hook for children that want to do something
 269   protected onMoreVideos () { /* empty */ }
 270
 271   protected loadRouteParams (routeParams: { [ key: string ]: any }) {
 272     this.sort = routeParams[ 'sort' ] as VideoSortField || this.defaultSort
 273     this.categoryOneOf = routeParams[ 'categoryOneOf' ]
 274     this.angularState = routeParams[ 'a-state' ]
 275   }
 276
 277   private calcPageSizes () {
 278     if (this.screenService.isInMobileView()) {
 279       this.pagination.itemsPerPage = 5
 280     }
 281   }
 282
 283   private setScrollRouteParams () {
 284     // Already set
 285     if (this.angularState) return
 286
 287     this.angularState = 42
 288
 289     const queryParams = {
 290       'a-state': this.angularState,
 291       categoryOneOf: this.categoryOneOf
 292     }
 293
 294     let path = this.router.url
 295     if (!path || path === '/') path = this.serverConfig.instance.defaultClientRoute
 296
 297     this.router.navigate([ path ], { queryParams, replaceUrl: true, queryParamsHandling: 'merge' })
 298   }
 299
 300   private loadUserAndSettings () {
 301     return this.userService.getAnonymousOrLoggedUser()
 302       .pipe(tap(user => {
 303         this.userMiniature = user
 304
 305         if (!this.useUserVideoPreferences) return
 306
 307         this.languageOneOf = user.videoLanguages
 308         this.nsfwPolicy = user.nsfwPolicy
 309       }))
 310   }
 311 }