import { debounceTime } from 'rxjs/operators'
-import { ElementRef, OnDestroy, OnInit, ViewChild } from '@angular/core'
+import { OnDestroy, OnInit } from '@angular/core'
import { ActivatedRoute, Router } from '@angular/router'
-import { Location } from '@angular/common'
-import { InfiniteScrollerDirective } from '@app/shared/video/infinite-scroller.directive'
-import { NotificationsService } from 'angular2-notifications'
import { fromEvent, Observable, Subscription } from 'rxjs'
import { AuthService } from '../../core/auth'
import { ComponentPagination } from '../rest/component-pagination.model'
import { VideoSortField } from './sort-field.type'
import { Video } from './video.model'
-import { I18n } from '@ngx-translate/i18n-polyfill'
import { ScreenService } from '@app/shared/misc/screen.service'
import { OwnerDisplayType } from '@app/shared/video/video-miniature.component'
+import { Syndication } from '@app/shared/video/syndication.model'
+import { Notifier, ServerService } from '@app/core'
+import { DisableForReuseHook } from '@app/core/routing/disable-for-reuse-hook'
-export abstract class AbstractVideoList implements OnInit, OnDestroy {
- private static LINES_PER_PAGE = 4
-
- @ViewChild('videosElement') videosElement: ElementRef
- @ViewChild(InfiniteScrollerDirective) infiniteScroller: InfiniteScrollerDirective
-
+export abstract class AbstractVideoList implements OnInit, OnDestroy, DisableForReuseHook {
pagination: ComponentPagination = {
currentPage: 1,
- itemsPerPage: 10,
+ itemsPerPage: 25,
totalItems: null
}
sort: VideoSortField = '-publishedAt'
+
categoryOneOf?: number
defaultSort: VideoSortField = '-publishedAt'
- syndicationItems = []
+
+ syndicationItems: Syndication[] = []
loadOnInit = true
marginContent = true
- pageHeight: number
- videoWidth: number
- videoHeight: number
- videoPages: Video[][] = []
+ videos: Video[] = []
ownerDisplayType: OwnerDisplayType = 'account'
- firstLoadedPage: number
+ displayModerationBlock = false
+ titleTooltip: string
- protected baseVideoWidth = 215
- protected baseVideoHeight = 205
+ disabled = false
- protected abstract notificationsService: NotificationsService
+ protected abstract notifier: Notifier
protected abstract authService: AuthService
- protected abstract router: Router
protected abstract route: ActivatedRoute
+ protected abstract serverService: ServerService
protected abstract screenService: ScreenService
- protected abstract i18n: I18n
- protected abstract location: Location
- protected abstract currentRoute: string
+ protected abstract router: Router
abstract titlePage: string
- protected loadedPages: { [ id: number ]: Video[] } = {}
- protected loadingPage: { [ id: number ]: boolean } = {}
- protected otherRouteParams = {}
-
private resizeSubscription: Subscription
+ private angularState: number
- abstract getVideosObservable (page: number): Observable<{ videos: Video[], totalVideos: number}>
- abstract generateSyndicationList ()
+ abstract getVideosObservable (page: number): Observable<{ videos: Video[], totalVideos: number }>
+
+ abstract generateSyndicationList (): void
get user () {
return this.authService.getUser()
.subscribe(() => this.calcPageSizes())
this.calcPageSizes()
- if (this.loadOnInit === true) this.loadMoreVideos(this.pagination.currentPage)
+ if (this.loadOnInit === true) this.loadMoreVideos()
}
ngOnDestroy () {
if (this.resizeSubscription) this.resizeSubscription.unsubscribe()
}
- pageByVideoId (index: number, page: Video[]) {
- // Video are unique in all pages
- return page.length !== 0 ? page[0].id : 0
+ disableForReuse () {
+ this.disabled = true
}
- videoById (index: number, video: Video) {
- return video.id
+ enabledForReuse () {
+ this.disabled = false
}
- onNearOfTop () {
- this.previousPage()
+ videoById (index: number, video: Video) {
+ return video.id
}
onNearOfBottom () {
- if (this.hasMoreVideos()) {
- this.nextPage()
- }
- }
+ if (this.disabled) return
- onPageChanged (page: number) {
- this.pagination.currentPage = page
- this.setNewRouteParams()
- }
-
- reloadVideos () {
- this.loadedPages = {}
- this.loadMoreVideos(this.pagination.currentPage)
- }
+ // Last page
+ if (this.pagination.totalItems <= (this.pagination.currentPage * this.pagination.itemsPerPage)) return
- loadMoreVideos (page: number, loadOnTop = false) {
- this.adjustVideoPageHeight()
+ this.pagination.currentPage += 1
- const currentY = window.scrollY
+ this.setScrollRouteParams()
- if (this.loadedPages[page] !== undefined) return
- if (this.loadingPage[page] === true) return
+ this.loadMoreVideos()
+ }
- this.loadingPage[page] = true
- const observable = this.getVideosObservable(page)
+ loadMoreVideos () {
+ const observable = this.getVideosObservable(this.pagination.currentPage)
observable.subscribe(
({ videos, totalVideos }) => {
- this.loadingPage[page] = false
-
- if (this.firstLoadedPage === undefined || this.firstLoadedPage > page) this.firstLoadedPage = page
-
- // Paging is too high, return to the first one
- if (this.pagination.currentPage > 1 && totalVideos <= ((this.pagination.currentPage - 1) * this.pagination.itemsPerPage)) {
- this.pagination.currentPage = 1
- this.setNewRouteParams()
- return this.reloadVideos()
- }
-
- this.loadedPages[page] = videos
- this.buildVideoPages()
this.pagination.totalItems = totalVideos
-
- // Initialize infinite scroller now we loaded the first page
- if (Object.keys(this.loadedPages).length === 1) {
- // Wait elements creation
- setTimeout(() => {
- this.infiniteScroller.initialize()
-
- // At our first load, we did not load the first page
- // Load the previous page so the user can move on the top (and browser previous pages)
- if (this.pagination.currentPage > 1) this.loadMoreVideos(this.pagination.currentPage - 1, true)
- }, 500)
- }
-
- // Insert elements on the top but keep the scroll in the previous position
- if (loadOnTop) setTimeout(() => { window.scrollTo(0, currentY + this.pageHeight) }, 0)
+ this.videos = this.videos.concat(videos)
},
- error => {
- this.loadingPage[page] = false
- this.notificationsService.error(this.i18n('Error'), error.message)
- }
- )
- }
-
- protected hasMoreVideos () {
- // No results
- if (this.pagination.totalItems === 0) return false
- // Not loaded yet
- if (!this.pagination.totalItems) return true
-
- const maxPage = this.pagination.totalItems / this.pagination.itemsPerPage
- return maxPage > this.maxPageLoaded()
- }
-
- protected previousPage () {
- const min = this.minPageLoaded()
-
- if (min > 1) {
- this.loadMoreVideos(min - 1, true)
- }
+ error => this.notifier.error(error.message)
+ )
}
- protected nextPage () {
- this.loadMoreVideos(this.maxPageLoaded() + 1)
+ reloadVideos () {
+ this.pagination.currentPage = 1
+ this.videos = []
+ this.loadMoreVideos()
}
- protected buildRouteParams () {
- // There is always a sort and a current page
- const params = {
- sort: this.sort,
- page: this.pagination.currentPage
- }
-
- return Object.assign(params, this.otherRouteParams)
+ toggleModerationDisplay () {
+ throw new Error('toggleModerationDisplay is not implemented')
}
protected loadRouteParams (routeParams: { [ key: string ]: any }) {
- this.sort = routeParams['sort'] as VideoSortField || this.defaultSort
- this.categoryOneOf = routeParams['categoryOneOf']
- if (routeParams['page'] !== undefined) {
- this.pagination.currentPage = parseInt(routeParams['page'], 10)
- } else {
- this.pagination.currentPage = 1
- }
- }
-
- protected setNewRouteParams () {
- const paramsObject = this.buildRouteParams()
-
- const queryParams = Object.keys(paramsObject).map(p => p + '=' + paramsObject[p]).join('&')
- this.location.replaceState(this.currentRoute, queryParams)
- }
-
- protected buildVideoPages () {
- this.videoPages = Object.values(this.loadedPages)
- }
-
- protected adjustVideoPageHeight () {
- const numberOfPagesLoaded = Object.keys(this.loadedPages).length
- if (!numberOfPagesLoaded) return
-
- this.pageHeight = this.videosElement.nativeElement.offsetHeight / numberOfPagesLoaded
- }
-
- protected buildVideoHeight () {
- // Same ratios than base width/height
- return this.videosElement.nativeElement.offsetWidth * (this.baseVideoHeight / this.baseVideoWidth)
- }
-
- private minPageLoaded () {
- return Math.min(...Object.keys(this.loadedPages).map(e => parseInt(e, 10)))
- }
-
- private maxPageLoaded () {
- return Math.max(...Object.keys(this.loadedPages).map(e => parseInt(e, 10)))
+ this.sort = routeParams[ 'sort' ] as VideoSortField || this.defaultSort
+ this.categoryOneOf = routeParams[ 'categoryOneOf' ]
+ this.angularState = routeParams[ 'a-state' ]
}
private calcPageSizes () {
- if (this.screenService.isInMobileView() || this.baseVideoWidth === -1) {
+ if (this.screenService.isInMobileView()) {
this.pagination.itemsPerPage = 5
-
- // Video takes all the width
- this.videoWidth = -1
- this.videoHeight = this.buildVideoHeight()
- this.pageHeight = this.pagination.itemsPerPage * this.videoHeight
- } else {
- this.videoWidth = this.baseVideoWidth
- this.videoHeight = this.baseVideoHeight
-
- const videosWidth = this.videosElement.nativeElement.offsetWidth
- this.pagination.itemsPerPage = Math.floor(videosWidth / this.videoWidth) * AbstractVideoList.LINES_PER_PAGE
- this.pageHeight = this.videoHeight * AbstractVideoList.LINES_PER_PAGE
}
+ }
- // Rebuild pages because maybe we modified the number of items per page
- const videos = [].concat(...this.videoPages)
- this.loadedPages = {}
+ private setScrollRouteParams () {
+ // Already set
+ if (this.angularState) return
- let i = 1
- // Don't include the last page if it not complete
- while (videos.length >= this.pagination.itemsPerPage && i < 10000) { // 10000 -> Hard limit in case of infinite loop
- this.loadedPages[i] = videos.splice(0, this.pagination.itemsPerPage)
- i++
- }
+ this.angularState = 42
- // Re fetch the last page
- if (videos.length !== 0) {
- this.loadMoreVideos(i)
- } else {
- this.buildVideoPages()
+ const queryParams = {
+ 'a-state': this.angularState,
+ categoryOneOf: this.categoryOneOf
}
- console.log('Rebuilt pages with %s elements per page.', this.pagination.itemsPerPage)
+ let path = this.router.url
+ if (!path || path === '/') path = this.serverService.getConfig().instance.defaultClientRoute
+
+ this.router.navigate([ path ], { queryParams, replaceUrl: true, queryParamsHandling: 'merge' })
}
}
projects / github / Chocobozzz / PeerTube.git / blobdiff