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import { Observable, Subject } from 'rxjs'
import { AfterContentInit, Component, ContentChildren, EventEmitter, Input, Output, QueryList, TemplateRef } from '@angular/core'
import { ComponentPagination, Notifier, User } from '@app/core'
import { logger } from '@root-helpers/logger'
import { objectKeysTyped } from '@shared/core-utils'
import { ResultList, VideosExistInPlaylists, VideoSortField } from '@shared/models'
import { PeerTubeTemplateDirective, Video } from '../shared-main'
import { MiniatureDisplayOptions } from './video-miniature.component'
export type SelectionType = { [ id: number ]: boolean }
@Component({
selector: 'my-videos-selection',
templateUrl: './videos-selection.component.html',
styleUrls: [ './videos-selection.component.scss' ]
})
export class VideosSelectionComponent implements AfterContentInit {
@Input() videosContainedInPlaylists: VideosExistInPlaylists
@Input() user: User
@Input() pagination: ComponentPagination
@Input() titlePage: string
@Input() miniatureDisplayOptions: MiniatureDisplayOptions
@Input() noResultMessage = $localize`No results.`
@Input() enableSelection = true
@Input() disabled = false
@Input() getVideosObservableFunction: (page: number, sort?: VideoSortField) => Observable<ResultList<Video>>
@ContentChildren(PeerTubeTemplateDirective) templates: QueryList<PeerTubeTemplateDirective<'rowButtons' | 'globalButtons'>>
@Output() selectionChange = new EventEmitter<SelectionType>()
@Output() videosModelChange = new EventEmitter<Video[]>()
_selection: SelectionType = {}
rowButtonsTemplate: TemplateRef<any>
globalButtonsTemplate: TemplateRef<any>
videos: Video[] = []
sort: VideoSortField = '-publishedAt'
onDataSubject = new Subject<any[]>()
hasDoneFirstQuery = false
private lastQueryLength: number
constructor (
private notifier: Notifier
) { }
@Input() get selection () {
return this._selection
}
set selection (selection: SelectionType) {
this._selection = selection
this.selectionChange.emit(this._selection)
}
@Input() get videosModel () {
return this.videos
}
set videosModel (videos: Video[]) {
this.videos = videos
this.videosModelChange.emit(this.videos)
}
ngAfterContentInit () {
{
const t = this.templates.find(t => t.name === 'rowButtons')
if (t) this.rowButtonsTemplate = t.template
}
{
const t = this.templates.find(t => t.name === 'globalButtons')
if (t) this.globalButtonsTemplate = t.template
}
this.loadMoreVideos()
}
getVideosObservable (page: number) {
return this.getVideosObservableFunction(page, this.sort)
}
abortSelectionMode () {
this._selection = {}
}
isInSelectionMode () {
return objectKeysTyped(this._selection).some(k => this._selection[k] === true)
}
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
this.pagination.currentPage += 1
this.loadMoreVideos()
}
loadMoreVideos (reset = false) {
if (reset) this.hasDoneFirstQuery = false
this.getVideosObservable(this.pagination.currentPage)
.subscribe({
next: ({ data }) => {
this.hasDoneFirstQuery = true
this.lastQueryLength = data.length
if (reset) this.videos = []
this.videos = this.videos.concat(data)
this.videosModel = this.videos
this.onDataSubject.next(data)
},
error: err => {
const message = $localize`Cannot load more videos. Try again later.`
logger.error(message, err)
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)
}
}
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