-import { bufferTime, catchError, filter, first, map, share, switchMap } from 'rxjs/operators'
-import { Injectable } from '@angular/core'
-import { Observable, ReplaySubject, Subject } from 'rxjs'
+import { bufferTime, catchError, filter, map, observeOn, share, switchMap, tap } from 'rxjs/operators'
+import { Injectable, NgZone } from '@angular/core'
+import { asyncScheduler, merge, Observable, of, ReplaySubject, Subject } from 'rxjs'
import { RestExtractor } from '../rest/rest-extractor.service'
import { HttpClient, HttpParams } from '@angular/common/http'
import { ResultList, VideoPlaylistElementCreate, VideoPlaylistElementUpdate } from '../../../../../shared'
import { VideoPlaylistCreate } from '@shared/models/videos/playlist/video-playlist-create.model'
import { VideoPlaylistUpdate } from '@shared/models/videos/playlist/video-playlist-update.model'
import { objectToFormData } from '@app/shared/misc/utils'
-import { ServerService } from '@app/core'
+import { AuthUser, ServerService } from '@app/core'
import { VideoPlaylist } from '@app/shared/video-playlist/video-playlist.model'
import { AccountService } from '@app/shared/account/account.service'
import { Account } from '@app/shared/account/account.model'
import { RestService } from '@app/shared/rest'
-import { VideoExistInPlaylist } from '@shared/models/videos/playlist/video-exist-in-playlist.model'
+import { VideoExistInPlaylist, VideosExistInPlaylists } from '@shared/models/videos/playlist/video-exist-in-playlist.model'
import { VideoPlaylistReorder } from '@shared/models/videos/playlist/video-playlist-reorder.model'
-import { ComponentPagination } from '@app/shared/rest/component-pagination.model'
+import { ComponentPaginationLight } from '@app/shared/rest/component-pagination.model'
import { VideoPlaylistElement as ServerVideoPlaylistElement } from '@shared/models/videos/playlist/video-playlist-element.model'
import { VideoPlaylistElement } from '@app/shared/video-playlist/video-playlist-element.model'
+import { uniq } from 'lodash-es'
+import * as debug from 'debug'
+import { enterZone, leaveZone } from '@app/shared/rxjs/zone'
+
+const logger = debug('peertube:playlists:VideoPlaylistService')
+
+export type CachedPlaylist = VideoPlaylist | { id: number, displayName: string }
@Injectable()
export class VideoPlaylistService {
static MY_VIDEO_PLAYLIST_URL = environment.apiUrl + '/api/v1/users/me/video-playlists/'
// Use a replay subject because we "next" a value before subscribing
- private videoExistsInPlaylistSubject: Subject<number> = new ReplaySubject(1)
- private readonly videoExistsInPlaylistObservable: Observable<VideoExistInPlaylist>
+ private videoExistsInPlaylistNotifier = new ReplaySubject<number>(1)
+ private videoExistsInPlaylistCacheSubject = new Subject<VideosExistInPlaylists>()
+ private readonly videoExistsInPlaylistObservable: Observable<VideosExistInPlaylists>
+
+ private videoExistsObservableCache: { [ id: number ]: Observable<VideoExistInPlaylist[]> } = {}
+ private videoExistsCache: { [ id: number ]: VideoExistInPlaylist[] } = {}
+
+ private myAccountPlaylistCache: ResultList<CachedPlaylist> = undefined
+ private myAccountPlaylistCacheRunning: Observable<ResultList<CachedPlaylist>>
+ private myAccountPlaylistCacheSubject = new Subject<ResultList<CachedPlaylist>>()
constructor (
private authHttp: HttpClient,
private serverService: ServerService,
private restExtractor: RestExtractor,
- private restService: RestService
+ private restService: RestService,
+ private ngZone: NgZone
) {
- this.videoExistsInPlaylistObservable = this.videoExistsInPlaylistSubject.pipe(
- bufferTime(500),
- filter(videoIds => videoIds.length !== 0),
- switchMap(videoIds => this.doVideosExistInPlaylist(videoIds)),
- share()
+ this.videoExistsInPlaylistObservable = merge(
+ this.videoExistsInPlaylistNotifier.pipe(
+ // We leave Angular zone so Protractor does not get stuck
+ bufferTime(500, leaveZone(this.ngZone, asyncScheduler)),
+ filter(videoIds => videoIds.length !== 0),
+ map(videoIds => uniq(videoIds)),
+ observeOn(enterZone(this.ngZone, asyncScheduler)),
+ switchMap(videoIds => this.doVideosExistInPlaylist(videoIds)),
+ share()
+ ),
+
+ this.videoExistsInPlaylistCacheSubject
)
}
- listChannelPlaylists (videoChannel: VideoChannel, componentPagination: ComponentPagination): Observable<ResultList<VideoPlaylist>> {
+ listChannelPlaylists (videoChannel: VideoChannel, componentPagination: ComponentPaginationLight): Observable<ResultList<VideoPlaylist>> {
const url = VideoChannelService.BASE_VIDEO_CHANNEL_URL + videoChannel.nameWithHost + '/video-playlists'
const pagination = this.restService.componentPaginationToRestPagination(componentPagination)
)
}
- listAccountPlaylists (account: Account, componentPagination: ComponentPagination, sort: string): Observable<ResultList<VideoPlaylist>> {
+ listMyPlaylistWithCache (user: AuthUser, search?: string) {
+ if (!search) {
+ if (this.myAccountPlaylistCacheRunning) return this.myAccountPlaylistCacheRunning
+ if (this.myAccountPlaylistCache) return of(this.myAccountPlaylistCache)
+ }
+
+ const obs = this.listAccountPlaylists(user.account, undefined, '-updatedAt', search)
+ .pipe(
+ tap(result => {
+ if (!search) {
+ this.myAccountPlaylistCacheRunning = undefined
+ this.myAccountPlaylistCache = result
+ }
+ }),
+ share()
+ )
+
+ if (!search) this.myAccountPlaylistCacheRunning = obs
+ return obs
+ }
+
+ listAccountPlaylists (
+ account: Account,
+ componentPagination: ComponentPaginationLight,
+ sort: string,
+ search?: string
+ ): Observable<ResultList<VideoPlaylist>> {
const url = AccountService.BASE_ACCOUNT_URL + account.nameWithHost + '/video-playlists'
const pagination = componentPagination
? this.restService.componentPaginationToRestPagination(componentPagination)
let params = new HttpParams()
params = this.restService.addRestGetParams(params, pagination, sort)
+ if (search) params = this.restService.addObjectParams(params, { search })
return this.authHttp.get<ResultList<VideoPlaylist>>(url, { params })
.pipe(
return this.authHttp.post<{ videoPlaylist: { id: number } }>(VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL, data)
.pipe(
+ tap(res => {
+ if (!this.myAccountPlaylistCache) return
+
+ this.myAccountPlaylistCache.total++
+
+ this.myAccountPlaylistCache.data.push({
+ id: res.videoPlaylist.id,
+ displayName: body.displayName
+ })
+
+ this.myAccountPlaylistCacheSubject.next(this.myAccountPlaylistCache)
+ }),
catchError(err => this.restExtractor.handleError(err))
)
}
return this.authHttp.put(VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + videoPlaylist.id, data)
.pipe(
map(this.restExtractor.extractDataBool),
+ tap(() => {
+ if (!this.myAccountPlaylistCache) return
+
+ const playlist = this.myAccountPlaylistCache.data.find(p => p.id === videoPlaylist.id)
+ playlist.displayName = body.displayName
+
+ this.myAccountPlaylistCacheSubject.next(this.myAccountPlaylistCache)
+ }),
catchError(err => this.restExtractor.handleError(err))
)
}
return this.authHttp.delete(VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + videoPlaylist.id)
.pipe(
map(this.restExtractor.extractDataBool),
+ tap(() => {
+ if (!this.myAccountPlaylistCache) return
+
+ this.myAccountPlaylistCache.total--
+ this.myAccountPlaylistCache.data = this.myAccountPlaylistCache.data
+ .filter(p => p.id !== videoPlaylist.id)
+
+ this.myAccountPlaylistCacheSubject.next(this.myAccountPlaylistCache)
+ }),
catchError(err => this.restExtractor.handleError(err))
)
}
const url = VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + playlistId + '/videos'
return this.authHttp.post<{ videoPlaylistElement: { id: number } }>(url, body)
- .pipe(catchError(err => this.restExtractor.handleError(err)))
+ .pipe(
+ tap(res => {
+ const existsResult = this.videoExistsCache[body.videoId]
+ existsResult.push({
+ playlistId,
+ playlistElementId: res.videoPlaylistElement.id,
+ startTimestamp: body.startTimestamp,
+ stopTimestamp: body.stopTimestamp
+ })
+
+ this.runPlaylistCheck(body.videoId)
+ }),
+ catchError(err => this.restExtractor.handleError(err))
+ )
}
- updateVideoOfPlaylist (playlistId: number, playlistElementId: number, body: VideoPlaylistElementUpdate) {
+ updateVideoOfPlaylist (playlistId: number, playlistElementId: number, body: VideoPlaylistElementUpdate, videoId: number) {
return this.authHttp.put(VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + playlistId + '/videos/' + playlistElementId, body)
.pipe(
map(this.restExtractor.extractDataBool),
+ tap(() => {
+ const existsResult = this.videoExistsCache[videoId]
+ const elem = existsResult.find(e => e.playlistElementId === playlistElementId)
+
+ elem.startTimestamp = body.startTimestamp
+ elem.stopTimestamp = body.stopTimestamp
+
+ this.runPlaylistCheck(videoId)
+ }),
catchError(err => this.restExtractor.handleError(err))
)
}
- removeVideoFromPlaylist (playlistId: number, playlistElementId: number) {
+ removeVideoFromPlaylist (playlistId: number, playlistElementId: number, videoId?: number) {
return this.authHttp.delete(VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + playlistId + '/videos/' + playlistElementId)
.pipe(
map(this.restExtractor.extractDataBool),
+ tap(() => {
+ if (!videoId) return
+
+ this.videoExistsCache[videoId] = this.videoExistsCache[videoId].filter(e => e.playlistElementId !== playlistElementId)
+ this.runPlaylistCheck(videoId)
+ }),
catchError(err => this.restExtractor.handleError(err))
)
}
getPlaylistVideos (
videoPlaylistId: number | string,
- componentPagination: ComponentPagination
+ componentPagination: ComponentPaginationLight
): Observable<ResultList<VideoPlaylistElement>> {
const path = VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + videoPlaylistId + '/videos'
const pagination = this.restService.componentPaginationToRestPagination(componentPagination)
)
}
- doesVideoExistInPlaylist (videoId: number) {
- this.videoExistsInPlaylistSubject.next(videoId)
+ listenToMyAccountPlaylistsChange () {
+ return this.myAccountPlaylistCacheSubject.asObservable()
+ }
+
+ listenToVideoPlaylistChange (videoId: number) {
+ if (this.videoExistsObservableCache[ videoId ]) {
+ return this.videoExistsObservableCache[ videoId ]
+ }
- return this.videoExistsInPlaylistObservable.pipe(first())
+ const obs = this.videoExistsInPlaylistObservable
+ .pipe(
+ map(existsResult => existsResult[ videoId ]),
+ filter(r => !!r),
+ tap(result => this.videoExistsCache[ videoId ] = result)
+ )
+
+ this.videoExistsObservableCache[ videoId ] = obs
+ return obs
+ }
+
+ runPlaylistCheck (videoId: number) {
+ logger('Running playlist check.')
+
+ if (this.videoExistsCache[videoId]) {
+ logger('Found cache for %d.', videoId)
+
+ return this.videoExistsInPlaylistCacheSubject.next({ [videoId]: this.videoExistsCache[videoId] })
+ }
+
+ logger('Fetching from network for %d.', videoId)
+ return this.videoExistsInPlaylistNotifier.next(videoId)
}
extractPlaylists (result: ResultList<VideoPlaylistServerModel>) {
- return this.serverService.localeObservable
+ return this.serverService.getServerLocale()
.pipe(
map(translations => {
const playlistsJSON = result.data
}
extractPlaylist (playlist: VideoPlaylistServerModel) {
- return this.serverService.localeObservable
+ return this.serverService.getServerLocale()
.pipe(map(translations => new VideoPlaylist(playlist, translations)))
}
extractVideoPlaylistElements (result: ResultList<ServerVideoPlaylistElement>) {
- return this.serverService.localeObservable
+ return this.serverService.getServerLocale()
.pipe(
map(translations => {
const elementsJson = result.data
)
}
- private doVideosExistInPlaylist (videoIds: number[]): Observable<VideoExistInPlaylist> {
+ private doVideosExistInPlaylist (videoIds: number[]): Observable<VideosExistInPlaylists> {
const url = VideoPlaylistService.MY_VIDEO_PLAYLIST_URL + 'videos-exist'
- let params = new HttpParams()
+ let params = new HttpParams()
params = this.restService.addObjectParams(params, { videoIds })
- return this.authHttp.get<VideoExistInPlaylist>(url, { params })
+ return this.authHttp.get<VideoExistInPlaylist>(url, { params, headers: { ignoreLoadingBar: '' } })
.pipe(catchError(err => this.restExtractor.handleError(err)))
}
}