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import { fromEvent, Observable, ReplaySubject, Subject, Subscription } from 'rxjs'
import { debounceTime, switchMap, tap } from 'rxjs/operators'
import {
AfterContentInit,
ComponentFactoryResolver,
Directive,
Injector,
OnDestroy,
OnInit,
Type,
ViewChild,
ViewContainerRef
} from '@angular/core'
import { ActivatedRoute, Params, Router } from '@angular/router'
import {
AuthService,
ComponentPaginationLight,
LocalStorageService,
Notifier,
ScreenService,
ServerService,
User,
UserService
} from '@app/core'
import { DisableForReuseHook } from '@app/core/routing/disable-for-reuse-hook'
import { GlobalIconName } from '@app/shared/shared-icons'
import { isLastMonth, isLastWeek, isThisMonth, isToday, isYesterday } from '@shared/core-utils/miscs/date'
import { ServerConfig, UserRight, VideoFilter, VideoSortField } from '@shared/models'
import { NSFWPolicyType } from '@shared/models/videos/nsfw-policy.type'
import { Syndication, Video } from '../shared-main'
import { GenericHeaderComponent, VideoListHeaderComponent } from './video-list-header.component'
import { MiniatureDisplayOptions } from './video-miniature.component'
enum GroupDate {
UNKNOWN = 0,
TODAY = 1,
YESTERDAY = 2,
THIS_WEEK = 3,
THIS_MONTH = 4,
LAST_MONTH = 5,
OLDER = 6
}
@Directive()
// tslint:disable-next-line: directive-class-suffix
export abstract class AbstractVideoList implements OnInit, OnDestroy, AfterContentInit, DisableForReuseHook {
@ViewChild('videoListHeader', { static: true, read: ViewContainerRef }) videoListHeader: ViewContainerRef
HeaderComponent: Type<GenericHeaderComponent> = VideoListHeaderComponent
headerComponentInjector: Injector
pagination: ComponentPaginationLight = {
currentPage: 1,
itemsPerPage: 25
}
sort: VideoSortField = '-publishedAt'
categoryOneOf?: number[]
languageOneOf?: string[]
nsfwPolicy?: NSFWPolicyType
defaultSort: VideoSortField = '-publishedAt'
syndicationItems: Syndication[] = []
loadOnInit = true
loadUserVideoPreferences = false
displayModerationBlock = false
titleTooltip: string
displayVideoActions = true
groupByDate = false
videos: Video[] = []
hasDoneFirstQuery = false
disabled = false
displayOptions: MiniatureDisplayOptions = {
date: true,
views: true,
by: true,
avatar: false,
privacyLabel: true,
privacyText: false,
state: false,
blacklistInfo: false
}
actions: {
iconName: GlobalIconName
label: string
justIcon?: boolean
routerLink?: string
href?: string
click?: (e: Event) => void
}[] = []
onDataSubject = new Subject<any[]>()
userMiniature: User
protected onUserLoadedSubject = new ReplaySubject<void>(1)
protected serverConfig: ServerConfig
protected abstract notifier: Notifier
protected abstract authService: AuthService
protected abstract userService: UserService
protected abstract route: ActivatedRoute
protected abstract serverService: ServerService
protected abstract screenService: ScreenService
protected abstract storageService: LocalStorageService
protected abstract router: Router
protected abstract cfr: ComponentFactoryResolver
abstract titlePage: string
private resizeSubscription: Subscription
private angularState: number
private groupedDateLabels: { [id in GroupDate]: string }
private groupedDates: { [id: number]: GroupDate } = {}
private lastQueryLength: number
abstract getVideosObservable (page: number): Observable<{ data: Video[] }>
abstract generateSyndicationList (): void
ngOnInit () {
this.serverConfig = this.serverService.getTmpConfig()
this.serverService.getConfig()
.subscribe(config => this.serverConfig = config)
this.groupedDateLabels = {
[GroupDate.UNKNOWN]: null,
[GroupDate.TODAY]: $localize`Today`,
[GroupDate.YESTERDAY]: $localize`Yesterday`,
[GroupDate.THIS_WEEK]: $localize`This week`,
[GroupDate.THIS_MONTH]: $localize`This month`,
[GroupDate.LAST_MONTH]: $localize`Last month`,
[GroupDate.OLDER]: $localize`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.loadUserAndSettings()
loadUserObservable.subscribe(() => {
this.onUserLoadedSubject.next()
if (this.loadOnInit === true) this.loadMoreVideos()
})
this.userService.listenAnonymousUpdate()
.pipe(switchMap(() => this.loadUserAndSettings()))
.subscribe(() => {
if (this.hasDoneFirstQuery) this.reloadVideos()
})
// Display avatar in mobile view
if (this.screenService.isInMobileView()) {
this.displayOptions.avatar = true
}
}
ngOnDestroy () {
if (this.resizeSubscription) this.resizeSubscription.unsubscribe()
}
ngAfterContentInit () {
if (this.videoListHeader) {
// some components don't use the header: they use their own template, like my-history.component.html
this.setHeader.apply(this, [ this.HeaderComponent, this.headerComponentInjector ])
}
}
disableForReuse () {
this.disabled = true
}
enabledForReuse () {
this.disabled = false
}
videoById (index: number, video: Video) {
return video.id
}
onNearOfBottom () {
if (this.disabled) return
// No more results
if (this.lastQueryLength !== undefined && this.lastQueryLength < this.pagination.itemsPerPage) return
console.log('near of bottom')
this.pagination.currentPage += 1
this.setScrollRouteParams()
this.loadMoreVideos()
}
loadMoreVideos (reset = false) {
this.getVideosObservable(this.pagination.currentPage).subscribe(
({ data }) => {
this.hasDoneFirstQuery = true
this.lastQueryLength = data.length
if (reset) this.videos = []
this.videos = this.videos.concat(data)
if (this.groupByDate) this.buildGroupedDateLabels()
this.onMoreVideos()
this.onDataSubject.next(data)
},
error => {
const message = $localize`Cannot load more videos. Try again later.`
console.error(message, { error })
this.notifier.error(message)
}
)
}
reloadVideos () {
this.pagination.currentPage = 1
this.loadMoreVideos(true)
}
removeVideoFromArray (video: Video) {
this.videos = this.videos.filter(v => v.id !== video.id)
}
buildGroupedDateLabels () {
let currentGroupedDate: GroupDate = GroupDate.UNKNOWN
const periods = [
{
value: GroupDate.TODAY,
validator: (d: Date) => isToday(d)
},
{
value: GroupDate.YESTERDAY,
validator: (d: Date) => isYesterday(d)
},
{
value: GroupDate.THIS_WEEK,
validator: (d: Date) => isLastWeek(d)
},
{
value: GroupDate.THIS_MONTH,
validator: (d: Date) => isThisMonth(d)
},
{
value: GroupDate.LAST_MONTH,
validator: (d: Date) => isLastMonth(d)
},
{
value: GroupDate.OLDER,
validator: () => true
}
]
for (const video of this.videos) {
const publishedDate = video.publishedAt
for (let i = 0; i < periods.length; i++) {
const period = periods[i]
if (currentGroupedDate <= period.value && period.validator(publishedDate)) {
if (currentGroupedDate !== period.value) {
currentGroupedDate = period.value
this.groupedDates[ video.id ] = currentGroupedDate
}
break
}
}
}
}
getCurrentGroupedDateLabel (video: Video) {
if (this.groupByDate === false) return undefined
return this.groupedDateLabels[this.groupedDates[video.id]]
}
toggleModerationDisplay () {
throw new Error('toggleModerationDisplay ' + $localize`function is not implemented`)
}
setHeader (
t: Type<any> = this.HeaderComponent,
i: Injector = this.headerComponentInjector
) {
const injector = i || Injector.create({
providers: [{
provide: 'data',
useValue: {
titlePage: this.titlePage,
titleTooltip: this.titleTooltip
}
}]
})
const viewContainerRef = this.videoListHeader
viewContainerRef.clear()
const componentFactory = this.cfr.resolveComponentFactory(t)
viewContainerRef.createComponent(componentFactory, 0, injector)
}
// Can be redefined by child
displayAsRow () {
return false
}
// On videos hook for children that want to do something
protected onMoreVideos () { /* empty */ }
protected load () { /* empty */ }
// Hook if the page has custom route params
protected loadPageRouteParams (_queryParams: Params) { /* empty */ }
protected loadRouteParams (queryParams: Params) {
this.sort = queryParams[ 'sort' ] as VideoSortField || this.defaultSort
this.categoryOneOf = queryParams[ 'categoryOneOf' ]
this.angularState = queryParams[ 'a-state' ]
this.loadPageRouteParams(queryParams)
}
protected buildLocalFilter (existing: VideoFilter, base: VideoFilter) {
if (base === 'local') {
return existing === 'local'
? 'all-local' as 'all-local'
: 'local' as 'local'
}
return existing === 'all'
? null
: 'all'
}
protected enableAllFilterIfPossible () {
if (!this.authService.isLoggedIn()) return
this.authService.userInformationLoaded
.subscribe(() => {
const user = this.authService.getUser()
this.displayModerationBlock = user.hasRight(UserRight.SEE_ALL_VIDEOS)
})
}
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.getUrlWithoutParams()
if (!path || path === '/') path = this.serverConfig.instance.defaultClientRoute
this.router.navigate([ path ], { queryParams, replaceUrl: true, queryParamsHandling: 'merge' })
}
private loadUserAndSettings () {
return this.userService.getAnonymousOrLoggedUser()
.pipe(tap(user => {
this.userMiniature = user
if (!this.loadUserVideoPreferences) return
this.languageOneOf = user.videoLanguages
this.nsfwPolicy = user.nsfwPolicy
}))
}
private getUrlWithoutParams () {
const urlTree = this.router.parseUrl(this.router.url)
urlTree.queryParams = {}
return urlTree.toString()
}
}
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