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import { Component, Input } from '@angular/core'
import { VideoPlaylist } from '@app/shared/video-playlist/video-playlist.model'
import { ComponentPagination } from '@app/shared/rest/component-pagination.model'
import { VideoDetails, VideoPlaylistPrivacy } from '@shared/models'
import { Router } from '@angular/router'
import { AuthService } from '@app/core'
import { VideoPlaylistService } from '@app/shared/video-playlist/video-playlist.service'
import { VideoPlaylistElement } from '@app/shared/video-playlist/video-playlist-element.model'
@Component({
selector: 'my-video-watch-playlist',
templateUrl: './video-watch-playlist.component.html',
styleUrls: [ './video-watch-playlist.component.scss' ]
})
export class VideoWatchPlaylistComponent {
@Input() video: VideoDetails
@Input() playlist: VideoPlaylist
playlistElements: VideoPlaylistElement[] = []
playlistPagination: ComponentPagination = {
currentPage: 1,
itemsPerPage: 30,
totalItems: null
}
noPlaylistVideos = false
currentPlaylistPosition = 1
constructor (
private auth: AuthService,
private videoPlaylist: VideoPlaylistService,
private router: Router
) {}
onPlaylistVideosNearOfBottom () {
// Last page
if (this.playlistPagination.totalItems <= (this.playlistPagination.currentPage * this.playlistPagination.itemsPerPage)) return
this.playlistPagination.currentPage += 1
this.loadPlaylistElements(this.playlist,false)
}
onElementRemoved (playlistElement: VideoPlaylistElement) {
this.playlistElements = this.playlistElements.filter(e => e.id !== playlistElement.id)
this.playlistPagination.totalItems--
}
isPlaylistOwned () {
return this.playlist.isLocal === true &&
this.auth.isLoggedIn() &&
this.playlist.ownerAccount.name === this.auth.getUser().username
}
isUnlistedPlaylist () {
return this.playlist.privacy.id === VideoPlaylistPrivacy.UNLISTED
}
isPrivatePlaylist () {
return this.playlist.privacy.id === VideoPlaylistPrivacy.PRIVATE
}
isPublicPlaylist () {
return this.playlist.privacy.id === VideoPlaylistPrivacy.PUBLIC
}
loadPlaylistElements (playlist: VideoPlaylist, redirectToFirst = false) {
this.videoPlaylist.getPlaylistVideos(playlist.uuid, this.playlistPagination)
.subscribe(({ total, data }) => {
this.playlistElements = this.playlistElements.concat(data)
this.playlistPagination.totalItems = total
const firstAvailableVideos = this.playlistElements.find(e => !!e.video)
if (!firstAvailableVideos) {
this.noPlaylistVideos = true
return
}
this.updatePlaylistIndex(this.video)
if (redirectToFirst) {
const extras = {
queryParams: {
start: firstAvailableVideos.startTimestamp,
stop: firstAvailableVideos.stopTimestamp,
videoId: firstAvailableVideos.video.uuid
},
replaceUrl: true
}
this.router.navigate([], extras)
}
})
}
updatePlaylistIndex (video: VideoDetails) {
if (this.playlistElements.length === 0 || !video) return
for (const playlistElement of this.playlistElements) {
if (playlistElement.video && playlistElement.video.id === video.id) {
this.currentPlaylistPosition = playlistElement.position
return
}
}
// Load more videos to find our video
this.onPlaylistVideosNearOfBottom()
}
navigateToNextPlaylistVideo () {
if (this.currentPlaylistPosition < this.playlistPagination.totalItems) {
const next = this.playlistElements.find(e => e.position === this.currentPlaylistPosition + 1)
if (!next || !next.video) {
this.currentPlaylistPosition++
this.navigateToNextPlaylistVideo()
return
}
const start = next.startTimestamp
const stop = next.stopTimestamp
this.router.navigate([],{ queryParams: { videoId: next.video.uuid, start, stop } })
}
}
}
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