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import { debounceTime, first, tap } from 'rxjs/operators'
import { OnDestroy, OnInit } from '@angular/core'
import { ActivatedRoute, Router } from '@angular/router'
import { fromEvent, Observable, of, Subject, 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 { ScreenService } from '@app/shared/misc/screen.service'
import { MiniatureDisplayOptions, 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'
import { I18n } from '@ngx-translate/i18n-polyfill'
import { isLastMonth, isLastWeek, isToday, isYesterday } from '@shared/core-utils/miscs/date'
import { ResultList, ServerConfig } from '@shared/models'
enum GroupDate {
UNKNOWN = 0,
TODAY = 1,
YESTERDAY = 2,
LAST_WEEK = 3,
LAST_MONTH = 4,
OLDER = 5
}
export abstract class AbstractVideoList implements OnInit, OnDestroy, DisableForReuseHook {
pagination: ComponentPagination = {
currentPage: 1,
itemsPerPage: 25,
totalItems: null
}
sort: VideoSortField = '-publishedAt'
categoryOneOf?: number
languageOneOf?: string[]
defaultSort: VideoSortField = '-publishedAt'
syndicationItems: Syndication[] = []
loadOnInit = true
useUserVideoLanguagePreferences = false
ownerDisplayType: OwnerDisplayType = 'account'
displayModerationBlock = false
titleTooltip: string
displayVideoActions = true
groupByDate = false
videos: Video[] = []
disabled = false
displayOptions: MiniatureDisplayOptions = {
date: true,
views: true,
by: true,
privacyLabel: true,
privacyText: false,
state: false,
blacklistInfo: false
}
actions: {
routerLink: string
iconName: string
label: string
}[] = []
onDataSubject = new Subject<any[]>()
protected serverConfig: ServerConfig
protected abstract notifier: Notifier
protected abstract authService: AuthService
protected abstract route: ActivatedRoute
protected abstract serverService: ServerService
protected abstract screenService: ScreenService
protected abstract router: Router
protected abstract i18n: I18n
abstract titlePage: string
private resizeSubscription: Subscription
private angularState: number
private groupedDateLabels: { [id in GroupDate]: string }
private groupedDates: { [id: number]: GroupDate } = {}
abstract getVideosObservable (page: number): Observable<ResultList<Video>>
abstract generateSyndicationList (): void
get user () {
return this.authService.getUser()
}
ngOnInit () {
this.serverConfig = this.serverService.getTmpConfig()
this.serverService.getConfig()
.subscribe(config => this.serverConfig = config)
this.groupedDateLabels = {
[GroupDate.UNKNOWN]: null,
[GroupDate.TODAY]: this.i18n('Today'),
[GroupDate.YESTERDAY]: this.i18n('Yesterday'),
[GroupDate.LAST_WEEK]: this.i18n('Last week'),
[GroupDate.LAST_MONTH]: this.i18n('Last month'),
[GroupDate.OLDER]: this.i18n('Older')
}
// Subscribe to route changes
const routeParams = this.route.snapshot.queryParams
this.loadRouteParams(routeParams)
this.resizeSubscription = fromEvent(window, 'resize')
.pipe(debounceTime(500))
.subscribe(() => this.calcPageSizes())
this.calcPageSizes()
const loadUserObservable = this.loadUserVideoLanguagesIfNeeded()
if (this.loadOnInit === true) {
loadUserObservable.subscribe(() => this.loadMoreVideos())
}
}
ngOnDestroy () {
if (this.resizeSubscription) this.resizeSubscription.unsubscribe()
}
disableForReuse () {
this.disabled = true
}
enabledForReuse () {
this.disabled = false
}
videoById (index: number, video: Video) {
return video.id
}
onNearOfBottom () {
if (this.disabled) return
// Last page
if (this.pagination.totalItems <= (this.pagination.currentPage * this.pagination.itemsPerPage)) return
this.pagination.currentPage += 1
this.setScrollRouteParams()
this.loadMoreVideos()
}
loadMoreVideos (reset = false) {
this.getVideosObservable(this.pagination.currentPage).subscribe(
({ data, total }) => {
this.pagination.totalItems = total
if (reset) this.videos = []
this.videos = this.videos.concat(data)
if (this.groupByDate) this.buildGroupedDateLabels()
this.onMoreVideos()
this.onDataSubject.next(data)
},
error => {
const message = this.i18n('Cannot load more videos. Try again later.')
console.error(message, { error })
this.notifier.error(message)
}
)
}
reloadVideos () {
this.pagination.currentPage = 1
this.loadMoreVideos(true)
}
toggleModerationDisplay () {
throw new Error('toggleModerationDisplay is not implemented')
}
removeVideoFromArray (video: Video) {
this.videos = this.videos.filter(v => v.id !== video.id)
}
buildGroupedDateLabels () {
let currentGroupedDate: GroupDate = GroupDate.UNKNOWN
for (const video of this.videos) {
const publishedDate = video.publishedAt
if (currentGroupedDate <= GroupDate.TODAY && isToday(publishedDate)) {
if (currentGroupedDate === GroupDate.TODAY) continue
currentGroupedDate = GroupDate.TODAY
this.groupedDates[ video.id ] = currentGroupedDate
continue
}
if (currentGroupedDate <= GroupDate.YESTERDAY && isYesterday(publishedDate)) {
if (currentGroupedDate === GroupDate.YESTERDAY) continue
currentGroupedDate = GroupDate.YESTERDAY
this.groupedDates[ video.id ] = currentGroupedDate
continue
}
if (currentGroupedDate <= GroupDate.LAST_WEEK && isLastWeek(publishedDate)) {
if (currentGroupedDate === GroupDate.LAST_WEEK) continue
currentGroupedDate = GroupDate.LAST_WEEK
this.groupedDates[ video.id ] = currentGroupedDate
continue
}
if (currentGroupedDate <= GroupDate.LAST_MONTH && isLastMonth(publishedDate)) {
if (currentGroupedDate === GroupDate.LAST_MONTH) continue
currentGroupedDate = GroupDate.LAST_MONTH
this.groupedDates[ video.id ] = currentGroupedDate
continue
}
if (currentGroupedDate <= GroupDate.OLDER) {
if (currentGroupedDate === GroupDate.OLDER) continue
currentGroupedDate = GroupDate.OLDER
this.groupedDates[ video.id ] = currentGroupedDate
}
}
}
getCurrentGroupedDateLabel (video: Video) {
if (this.groupByDate === false) return undefined
return this.groupedDateLabels[this.groupedDates[video.id]]
}
// On videos hook for children that want to do something
protected onMoreVideos () { /* empty */ }
protected loadRouteParams (routeParams: { [ key: string ]: any }) {
this.sort = routeParams[ 'sort' ] as VideoSortField || this.defaultSort
this.categoryOneOf = routeParams[ 'categoryOneOf' ]
this.angularState = routeParams[ 'a-state' ]
}
private calcPageSizes () {
if (this.screenService.isInMobileView()) {
this.pagination.itemsPerPage = 5
}
}
private setScrollRouteParams () {
// Already set
if (this.angularState) return
this.angularState = 42
const queryParams = {
'a-state': this.angularState,
categoryOneOf: this.categoryOneOf
}
let path = this.router.url
if (!path || path === '/') path = this.serverConfig.instance.defaultClientRoute
this.router.navigate([ path ], { queryParams, replaceUrl: true, queryParamsHandling: 'merge' })
}
private loadUserVideoLanguagesIfNeeded () {
if (!this.authService.isLoggedIn() || !this.useUserVideoLanguagePreferences) {
return of(true)
}
return this.authService.userInformationLoaded
.pipe(
first(),
tap(() => this.languageOneOf = this.user.videoLanguages)
)
}
}
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