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import { ChangeDetectionStrategy, ChangeDetectorRef, Component, Input, OnChanges, OnInit, SimpleChanges } from '@angular/core'
import { VideoPlaylistService } from '@app/shared/video-playlist/video-playlist.service'
import { AuthService, Notifier } from '@app/core'
import { forkJoin, Subject } from 'rxjs'
import { debounceTime } from 'rxjs/operators'
import { Video, VideoPlaylistCreate, VideoPlaylistElementCreate, VideoPlaylistPrivacy } from '@shared/models'
import { FormReactive, FormValidatorService, VideoPlaylistValidatorsService } from '@app/shared/forms'
import { I18n } from '@ngx-translate/i18n-polyfill'
import { secondsToTime } from '../../../assets/player/utils'
type PlaylistSummary = {
id: number
inPlaylist: boolean
displayName: string
playlistElementId?: number
startTimestamp?: number
stopTimestamp?: number
}
@Component({
selector: 'my-video-add-to-playlist',
styleUrls: [ './video-add-to-playlist.component.scss' ],
templateUrl: './video-add-to-playlist.component.html',
changeDetection: ChangeDetectionStrategy.OnPush
})
export class VideoAddToPlaylistComponent extends FormReactive implements OnInit, OnChanges {
@Input() video: Video
@Input() currentVideoTimestamp: number
@Input() lazyLoad = false
isNewPlaylistBlockOpened = false
videoPlaylistSearch: string
videoPlaylistSearchChanged = new Subject<string>()
videoPlaylists: PlaylistSummary[] = []
timestampOptions: {
startTimestampEnabled: boolean
startTimestamp: number
stopTimestampEnabled: boolean
stopTimestamp: number
}
displayOptions = false
constructor (
protected formValidatorService: FormValidatorService,
private authService: AuthService,
private notifier: Notifier,
private i18n: I18n,
private videoPlaylistService: VideoPlaylistService,
private videoPlaylistValidatorsService: VideoPlaylistValidatorsService,
private cd: ChangeDetectorRef
) {
super()
}
get user () {
return this.authService.getUser()
}
ngOnInit () {
this.buildForm({
displayName: this.videoPlaylistValidatorsService.VIDEO_PLAYLIST_DISPLAY_NAME
})
this.videoPlaylistSearchChanged
.pipe(
debounceTime(500))
.subscribe(() => {
this.load()
})
}
ngOnChanges (simpleChanges: SimpleChanges) {
if (simpleChanges['video']) {
this.reload()
}
}
init () {
this.resetOptions(true)
if (this.lazyLoad !== true) this.load()
}
reload () {
this.videoPlaylists = []
this.videoPlaylistSearch = undefined
this.init()
this.cd.markForCheck()
}
load () {
forkJoin([
this.videoPlaylistService.listAccountPlaylists(this.user.account, undefined, '-updatedAt', this.videoPlaylistSearch),
this.videoPlaylistService.doesVideoExistInPlaylist(this.video.id)
])
.subscribe(
([ playlistsResult, existResult ]) => {
this.videoPlaylists = []
for (const playlist of playlistsResult.data) {
const existingPlaylist = existResult[ this.video.id ].find(p => p.playlistId === playlist.id)
this.videoPlaylists.push({
id: playlist.id,
displayName: playlist.displayName,
inPlaylist: !!existingPlaylist,
playlistElementId: existingPlaylist ? existingPlaylist.playlistElementId : undefined,
startTimestamp: existingPlaylist ? existingPlaylist.startTimestamp : undefined,
stopTimestamp: existingPlaylist ? existingPlaylist.stopTimestamp : undefined
})
}
this.cd.markForCheck()
}
)
}
openChange (opened: boolean) {
if (opened === false) {
this.isNewPlaylistBlockOpened = false
this.displayOptions = false
}
}
openCreateBlock (event: Event) {
event.preventDefault()
this.isNewPlaylistBlockOpened = true
}
togglePlaylist (event: Event, playlist: PlaylistSummary) {
event.preventDefault()
if (playlist.inPlaylist === true) {
this.removeVideoFromPlaylist(playlist)
} else {
this.addVideoInPlaylist(playlist)
}
playlist.inPlaylist = !playlist.inPlaylist
this.resetOptions()
this.cd.markForCheck()
}
createPlaylist () {
const displayName = this.form.value[ 'displayName' ]
const videoPlaylistCreate: VideoPlaylistCreate = {
displayName,
privacy: VideoPlaylistPrivacy.PRIVATE
}
this.videoPlaylistService.createVideoPlaylist(videoPlaylistCreate).subscribe(
res => {
this.videoPlaylists.push({
id: res.videoPlaylist.id,
displayName,
inPlaylist: false
})
this.isNewPlaylistBlockOpened = false
this.cd.markForCheck()
},
err => this.notifier.error(err.message)
)
}
resetOptions (resetTimestamp = false) {
this.displayOptions = false
this.timestampOptions = {} as any
this.timestampOptions.startTimestampEnabled = false
this.timestampOptions.stopTimestampEnabled = false
if (resetTimestamp) {
this.timestampOptions.startTimestamp = 0
this.timestampOptions.stopTimestamp = this.video.duration
}
}
formatTimestamp (playlist: PlaylistSummary) {
const start = playlist.startTimestamp ? secondsToTime(playlist.startTimestamp) : ''
const stop = playlist.stopTimestamp ? secondsToTime(playlist.stopTimestamp) : ''
return `(${start}-${stop})`
}
onVideoPlaylistSearchChanged () {
this.videoPlaylistSearchChanged.next()
}
private removeVideoFromPlaylist (playlist: PlaylistSummary) {
if (!playlist.playlistElementId) return
this.videoPlaylistService.removeVideoFromPlaylist(playlist.id, playlist.playlistElementId)
.subscribe(
() => {
this.notifier.success(this.i18n('Video removed from {{name}}', { name: playlist.displayName }))
playlist.inPlaylist = false
playlist.playlistElementId = undefined
},
err => {
this.notifier.error(err.message)
playlist.inPlaylist = true
},
() => this.cd.markForCheck()
)
}
private addVideoInPlaylist (playlist: PlaylistSummary) {
const body: VideoPlaylistElementCreate = { videoId: this.video.id }
if (this.timestampOptions.startTimestampEnabled) body.startTimestamp = this.timestampOptions.startTimestamp
if (this.timestampOptions.stopTimestampEnabled) body.stopTimestamp = this.timestampOptions.stopTimestamp
this.videoPlaylistService.addVideoInPlaylist(playlist.id, body)
.subscribe(
res => {
playlist.inPlaylist = true
playlist.playlistElementId = res.videoPlaylistElement.id
playlist.startTimestamp = body.startTimestamp
playlist.stopTimestamp = body.stopTimestamp
const message = body.startTimestamp || body.stopTimestamp
? this.i18n('Video added in {{n}} at timestamps {{t}}', { n: playlist.displayName, t: this.formatTimestamp(playlist) })
: this.i18n('Video added in {{n}}', { n: playlist.displayName })
this.notifier.success(message)
},
err => {
this.notifier.error(err.message)
playlist.inPlaylist = false
},
() => this.cd.markForCheck()
)
}
}
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