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

   1 import { fromEvent, Observable, ReplaySubject, Subject, Subscription } from 'rxjs'
   2 import { debounceTime, switchMap, tap } from 'rxjs/operators'
   3 import {
   4   AfterContentInit,
   5   ComponentFactoryResolver,
   6   Directive,
   7   Injector,
   8   OnDestroy,
   9   OnInit,
  10   Type,
  11   ViewChild,
  12   ViewContainerRef
  13 } from '@angular/core'
  14 import { ActivatedRoute, Params, Router } from '@angular/router'
  15 import {
  16   AuthService,
  17   ComponentPaginationLight,
  18   LocalStorageService,
  19   Notifier,
  20   ScreenService,
  21   ServerService,
  22   User,
  23   UserService
  24 } from '@app/core'
  25 import { DisableForReuseHook } from '@app/core/routing/disable-for-reuse-hook'
  26 import { GlobalIconName } from '@app/shared/shared-icons'
  27 import { isLastMonth, isLastWeek, isThisMonth, isToday, isYesterday } from '@shared/core-utils'
  28 import { HTMLServerConfig, UserRight, VideoFilter, VideoSortField } from '@shared/models'
  29 import { NSFWPolicyType } from '@shared/models/videos/nsfw-policy.type'
  30 import { Syndication, Video } from '../shared-main'
  31 import { GenericHeaderComponent, VideoListHeaderComponent } from './video-list-header.component'
  32 import { MiniatureDisplayOptions } from './video-miniature.component'
  33
  34 enum GroupDate {
  35   UNKNOWN = 0,
  36   TODAY = 1,
  37   YESTERDAY = 2,
  38   THIS_WEEK = 3,
  39   THIS_MONTH = 4,
  40   LAST_MONTH = 5,
  41   OLDER = 6
  42 }
  43
  44 @Directive()
  45 // tslint:disable-next-line: directive-class-suffix
  46 export abstract class AbstractVideoList implements OnInit, OnDestroy, AfterContentInit, DisableForReuseHook {
  47   @ViewChild('videoListHeader', { static: true, read: ViewContainerRef }) videoListHeader: ViewContainerRef
  48
  49   HeaderComponent: Type<GenericHeaderComponent> = VideoListHeaderComponent
  50   headerComponentInjector: Injector
  51
  52   pagination: ComponentPaginationLight = {
  53     currentPage: 1,
  54     itemsPerPage: 25
  55   }
  56   sort: VideoSortField = '-publishedAt'
  57
  58   categoryOneOf?: number[]
  59   languageOneOf?: string[]
  60   nsfwPolicy?: NSFWPolicyType
  61   defaultSort: VideoSortField = '-publishedAt'
  62
  63   syndicationItems: Syndication[] = []
  64
  65   loadOnInit = true
  66   loadUserVideoPreferences = false
  67
  68   displayModerationBlock = false
  69   titleTooltip: string
  70   displayVideoActions = true
  71   groupByDate = false
  72
  73   videos: Video[] = []
  74   hasDoneFirstQuery = false
  75   disabled = false
  76
  77   displayOptions: MiniatureDisplayOptions = {
  78     date: true,
  79     views: true,
  80     by: true,
  81     avatar: false,
  82     privacyLabel: true,
  83     privacyText: false,
  84     state: false,
  85     blacklistInfo: false
  86   }
  87
  88   actions: {
  89     iconName: GlobalIconName
  90     label: string
  91     justIcon?: boolean
  92     routerLink?: string
  93     href?: string
  94     click?: (e: Event) => void
  95   }[] = []
  96
  97   onDataSubject = new Subject<any[]>()
  98
  99   userMiniature: User
 100
 101   protected onUserLoadedSubject = new ReplaySubject<void>(1)
 102
 103   protected serverConfig: HTMLServerConfig
 104
 105   protected abstract notifier: Notifier
 106   protected abstract authService: AuthService
 107   protected abstract userService: UserService
 108   protected abstract route: ActivatedRoute
 109   protected abstract serverService: ServerService
 110   protected abstract screenService: ScreenService
 111   protected abstract storageService: LocalStorageService
 112   protected abstract router: Router
 113   protected abstract cfr: ComponentFactoryResolver
 114   abstract titlePage: string
 115
 116   private resizeSubscription: Subscription
 117   private angularState: number
 118
 119   private groupedDateLabels: { [id in GroupDate]: string }
 120   private groupedDates: { [id: number]: GroupDate } = {}
 121
 122   private lastQueryLength: number
 123
 124   abstract getVideosObservable (page: number): Observable<{ data: Video[] }>
 125
 126   abstract generateSyndicationList (): void
 127
 128   ngOnInit () {
 129     this.serverConfig = this.serverService.getHTMLConfig()
 130
 131     this.groupedDateLabels = {
 132       [GroupDate.UNKNOWN]: null,
 133       [GroupDate.TODAY]: $localize`Today`,
 134       [GroupDate.YESTERDAY]: $localize`Yesterday`,
 135       [GroupDate.THIS_WEEK]: $localize`This week`,
 136       [GroupDate.THIS_MONTH]: $localize`This month`,
 137       [GroupDate.LAST_MONTH]: $localize`Last month`,
 138       [GroupDate.OLDER]: $localize`Older`
 139     }
 140
 141     // Subscribe to route changes
 142     const routeParams = this.route.snapshot.queryParams
 143     this.loadRouteParams(routeParams)
 144
 145     this.resizeSubscription = fromEvent(window, 'resize')
 146       .pipe(debounceTime(500))
 147       .subscribe(() => this.calcPageSizes())
 148
 149     this.calcPageSizes()
 150
 151     const loadUserObservable = this.loadUserAndSettings()
 152     loadUserObservable.subscribe(() => {
 153       this.onUserLoadedSubject.next()
 154
 155       if (this.loadOnInit === true) this.loadMoreVideos()
 156     })
 157
 158     this.userService.listenAnonymousUpdate()
 159       .pipe(switchMap(() => this.loadUserAndSettings()))
 160       .subscribe(() => {
 161         if (this.hasDoneFirstQuery) this.reloadVideos()
 162       })
 163
 164     // Display avatar in mobile view
 165     if (this.screenService.isInMobileView()) {
 166       this.displayOptions.avatar = true
 167     }
 168   }
 169
 170   ngOnDestroy () {
 171     if (this.resizeSubscription) this.resizeSubscription.unsubscribe()
 172   }
 173
 174   ngAfterContentInit () {
 175     if (this.videoListHeader) {
 176       // some components don't use the header: they use their own template, like my-history.component.html
 177       this.setHeader.apply(this, [ this.HeaderComponent, this.headerComponentInjector ])
 178     }
 179   }
 180
 181   disableForReuse () {
 182     this.disabled = true
 183   }
 184
 185   enabledForReuse () {
 186     this.disabled = false
 187   }
 188
 189   videoById (index: number, video: Video) {
 190     return video.id
 191   }
 192
 193   onNearOfBottom () {
 194     if (this.disabled) return
 195
 196     // No more results
 197     if (this.lastQueryLength !== undefined && this.lastQueryLength < this.pagination.itemsPerPage) return
 198
 199     this.pagination.currentPage += 1
 200
 201     this.setScrollRouteParams()
 202
 203     this.loadMoreVideos()
 204   }
 205
 206   loadMoreVideos (reset = false) {
 207     this.getVideosObservable(this.pagination.currentPage).subscribe(
 208       ({ data }) => {
 209         this.hasDoneFirstQuery = true
 210         this.lastQueryLength = data.length
 211
 212         if (reset) this.videos = []
 213         this.videos = this.videos.concat(data)
 214
 215         if (this.groupByDate) this.buildGroupedDateLabels()
 216
 217         this.onMoreVideos()
 218
 219         this.onDataSubject.next(data)
 220       },
 221
 222       error => {
 223         const message = $localize`Cannot load more videos. Try again later.`
 224
 225         console.error(message, { error })
 226         this.notifier.error(message)
 227       }
 228     )
 229   }
 230
 231   reloadVideos () {
 232     this.pagination.currentPage = 1
 233     this.loadMoreVideos(true)
 234   }
 235
 236   removeVideoFromArray (video: Video) {
 237     this.videos = this.videos.filter(v => v.id !== video.id)
 238   }
 239
 240   buildGroupedDateLabels () {
 241     let currentGroupedDate: GroupDate = GroupDate.UNKNOWN
 242
 243     const periods = [
 244       {
 245         value: GroupDate.TODAY,
 246         validator: (d: Date) => isToday(d)
 247       },
 248       {
 249         value: GroupDate.YESTERDAY,
 250         validator: (d: Date) => isYesterday(d)
 251       },
 252       {
 253         value: GroupDate.THIS_WEEK,
 254         validator: (d: Date) => isLastWeek(d)
 255       },
 256       {
 257         value: GroupDate.THIS_MONTH,
 258         validator: (d: Date) => isThisMonth(d)
 259       },
 260       {
 261         value: GroupDate.LAST_MONTH,
 262         validator: (d: Date) => isLastMonth(d)
 263       },
 264       {
 265         value: GroupDate.OLDER,
 266         validator: () => true
 267       }
 268     ]
 269
 270     for (const video of this.videos) {
 271       const publishedDate = video.publishedAt
 272
 273       for (let i = 0; i < periods.length; i++) {
 274         const period = periods[i]
 275
 276         if (currentGroupedDate <= period.value && period.validator(publishedDate)) {
 277
 278           if (currentGroupedDate !== period.value) {
 279             currentGroupedDate = period.value
 280             this.groupedDates[ video.id ] = currentGroupedDate
 281           }
 282
 283           break
 284         }
 285       }
 286     }
 287   }
 288
 289   getCurrentGroupedDateLabel (video: Video) {
 290     if (this.groupByDate === false) return undefined
 291
 292     return this.groupedDateLabels[this.groupedDates[video.id]]
 293   }
 294
 295   toggleModerationDisplay () {
 296     throw new Error('toggleModerationDisplay ' + $localize`function is not implemented`)
 297   }
 298
 299   setHeader (
 300     t: Type<any> = this.HeaderComponent,
 301     i: Injector = this.headerComponentInjector
 302   ) {
 303     const injector = i || Injector.create({
 304       providers: [{
 305         provide: 'data',
 306         useValue: {
 307           titlePage: this.titlePage,
 308           titleTooltip: this.titleTooltip
 309         }
 310       }]
 311     })
 312     const viewContainerRef = this.videoListHeader
 313     viewContainerRef.clear()
 314
 315     const componentFactory = this.cfr.resolveComponentFactory(t)
 316     viewContainerRef.createComponent(componentFactory, 0, injector)
 317   }
 318
 319   // Can be redefined by child
 320   displayAsRow () {
 321     return false
 322   }
 323
 324   // On videos hook for children that want to do something
 325   protected onMoreVideos () { /* empty */ }
 326
 327   protected load () { /* empty */ }
 328
 329   // Hook if the page has custom route params
 330   protected loadPageRouteParams (_queryParams: Params) { /* empty */ }
 331
 332   protected loadRouteParams (queryParams: Params) {
 333     this.sort = queryParams[ 'sort' ] as VideoSortField || this.defaultSort
 334     this.categoryOneOf = queryParams[ 'categoryOneOf' ]
 335     this.angularState = queryParams[ 'a-state' ]
 336
 337     this.loadPageRouteParams(queryParams)
 338   }
 339
 340   protected buildLocalFilter (existing: VideoFilter, base: VideoFilter) {
 341     if (base === 'local') {
 342       return existing === 'local'
 343         ? 'all-local' as 'all-local'
 344         : 'local' as 'local'
 345     }
 346
 347     return existing === 'all'
 348       ? null
 349       : 'all'
 350   }
 351
 352   protected enableAllFilterIfPossible () {
 353     if (!this.authService.isLoggedIn()) return
 354
 355     this.authService.userInformationLoaded
 356       .subscribe(() => {
 357         const user = this.authService.getUser()
 358         this.displayModerationBlock = user.hasRight(UserRight.SEE_ALL_VIDEOS)
 359       })
 360   }
 361
 362   private calcPageSizes () {
 363     if (this.screenService.isInMobileView()) {
 364       this.pagination.itemsPerPage = 5
 365     }
 366   }
 367
 368   private setScrollRouteParams () {
 369     // Already set
 370     if (this.angularState) return
 371
 372     this.angularState = 42
 373
 374     const queryParams = {
 375       'a-state': this.angularState,
 376       categoryOneOf: this.categoryOneOf
 377     }
 378
 379     let path = this.getUrlWithoutParams()
 380     if (!path || path === '/') path = this.serverConfig.instance.defaultClientRoute
 381
 382     this.router.navigate([ path ], { queryParams, replaceUrl: true, queryParamsHandling: 'merge' })
 383   }
 384
 385   private loadUserAndSettings () {
 386     return this.userService.getAnonymousOrLoggedUser()
 387       .pipe(tap(user => {
 388         this.userMiniature = user
 389
 390         if (!this.loadUserVideoPreferences) return
 391
 392         this.languageOneOf = user.videoLanguages
 393         this.nsfwPolicy = user.nsfwPolicy
 394       }))
 395   }
 396
 397   private getUrlWithoutParams () {
 398     const urlTree = this.router.parseUrl(this.router.url)
 399     urlTree.queryParams = {}
 400
 401     return urlTree.toString()
 402   }
 403 }