1 import { bufferTime, catchError, filter, map, observeOn, share, switchMap, tap } from 'rxjs/operators'
2 import { Injectable, NgZone } from '@angular/core'
3 import { asyncScheduler, merge, Observable, of, ReplaySubject, Subject } from 'rxjs'
4 import { RestExtractor } from '../rest/rest-extractor.service'
5 import { HttpClient, HttpParams } from '@angular/common/http'
6 import { ResultList, VideoPlaylistElementCreate, VideoPlaylistElementUpdate } from '../../../../../shared'
7 import { environment } from '../../../environments/environment'
8 import { VideoPlaylist as VideoPlaylistServerModel } from '@shared/models/videos/playlist/video-playlist.model'
9 import { VideoChannelService } from '@app/shared/video-channel/video-channel.service'
10 import { VideoChannel } from '@app/shared/video-channel/video-channel.model'
11 import { VideoPlaylistCreate } from '@shared/models/videos/playlist/video-playlist-create.model'
12 import { VideoPlaylistUpdate } from '@shared/models/videos/playlist/video-playlist-update.model'
13 import { objectToFormData } from '@app/shared/misc/utils'
14 import { AuthUser, ServerService } from '@app/core'
15 import { VideoPlaylist } from '@app/shared/video-playlist/video-playlist.model'
16 import { AccountService } from '@app/shared/account/account.service'
17 import { Account } from '@app/shared/account/account.model'
18 import { RestService } from '@app/shared/rest'
19 import { VideoExistInPlaylist, VideosExistInPlaylists } from '@shared/models/videos/playlist/video-exist-in-playlist.model'
20 import { VideoPlaylistReorder } from '@shared/models/videos/playlist/video-playlist-reorder.model'
21 import { ComponentPaginationLight } from '@app/shared/rest/component-pagination.model'
22 import { VideoPlaylistElement as ServerVideoPlaylistElement } from '@shared/models/videos/playlist/video-playlist-element.model'
23 import { VideoPlaylistElement } from '@app/shared/video-playlist/video-playlist-element.model'
24 import { uniq } from 'lodash-es'
25 import * as debug from 'debug'
26 import { enterZone, leaveZone } from '@app/shared/rxjs/zone'
28 const logger = debug('peertube:playlists:VideoPlaylistService')
30 export type CachedPlaylist = VideoPlaylist | { id: number, displayName: string }
33 export class VideoPlaylistService {
34 static BASE_VIDEO_PLAYLIST_URL = environment.apiUrl + '/api/v1/video-playlists/'
35 static MY_VIDEO_PLAYLIST_URL = environment.apiUrl + '/api/v1/users/me/video-playlists/'
37 // Use a replay subject because we "next" a value before subscribing
38 private videoExistsInPlaylistNotifier = new ReplaySubject<number>(1)
39 private videoExistsInPlaylistCacheSubject = new Subject<VideosExistInPlaylists>()
40 private readonly videoExistsInPlaylistObservable: Observable<VideosExistInPlaylists>
42 private videoExistsObservableCache: { [ id: number ]: Observable<VideoExistInPlaylist[]> } = {}
43 private videoExistsCache: { [ id: number ]: VideoExistInPlaylist[] } = {}
45 private myAccountPlaylistCache: ResultList<CachedPlaylist> = undefined
46 private myAccountPlaylistCacheRunning: Observable<ResultList<CachedPlaylist>>
47 private myAccountPlaylistCacheSubject = new Subject<ResultList<CachedPlaylist>>()
50 private authHttp: HttpClient,
51 private serverService: ServerService,
52 private restExtractor: RestExtractor,
53 private restService: RestService,
54 private ngZone: NgZone
56 this.videoExistsInPlaylistObservable = merge(
57 this.videoExistsInPlaylistNotifier.pipe(
58 // We leave Angular zone so Protractor does not get stuck
59 bufferTime(500, leaveZone(this.ngZone, asyncScheduler)),
60 filter(videoIds => videoIds.length !== 0),
61 map(videoIds => uniq(videoIds)),
62 observeOn(enterZone(this.ngZone, asyncScheduler)),
63 switchMap(videoIds => this.doVideosExistInPlaylist(videoIds)),
67 this.videoExistsInPlaylistCacheSubject
71 listChannelPlaylists (videoChannel: VideoChannel, componentPagination: ComponentPaginationLight): Observable<ResultList<VideoPlaylist>> {
72 const url = VideoChannelService.BASE_VIDEO_CHANNEL_URL + videoChannel.nameWithHost + '/video-playlists'
73 const pagination = this.restService.componentPaginationToRestPagination(componentPagination)
75 let params = new HttpParams()
76 params = this.restService.addRestGetParams(params, pagination)
78 return this.authHttp.get<ResultList<VideoPlaylist>>(url, { params })
80 switchMap(res => this.extractPlaylists(res)),
81 catchError(err => this.restExtractor.handleError(err))
85 listMyPlaylistWithCache (user: AuthUser, search?: string) {
87 if (this.myAccountPlaylistCacheRunning) return this.myAccountPlaylistCacheRunning
88 if (this.myAccountPlaylistCache) return of(this.myAccountPlaylistCache)
91 const obs = this.listAccountPlaylists(user.account, undefined, '-updatedAt', search)
95 this.myAccountPlaylistCacheRunning = undefined
96 this.myAccountPlaylistCache = result
102 if (!search) this.myAccountPlaylistCacheRunning = obs
106 listAccountPlaylists (
108 componentPagination: ComponentPaginationLight,
111 ): Observable<ResultList<VideoPlaylist>> {
112 const url = AccountService.BASE_ACCOUNT_URL + account.nameWithHost + '/video-playlists'
113 const pagination = componentPagination
114 ? this.restService.componentPaginationToRestPagination(componentPagination)
117 let params = new HttpParams()
118 params = this.restService.addRestGetParams(params, pagination, sort)
119 if (search) params = this.restService.addObjectParams(params, { search })
121 return this.authHttp.get<ResultList<VideoPlaylist>>(url, { params })
123 switchMap(res => this.extractPlaylists(res)),
124 catchError(err => this.restExtractor.handleError(err))
128 getVideoPlaylist (id: string | number) {
129 const url = VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + id
131 return this.authHttp.get<VideoPlaylist>(url)
133 switchMap(res => this.extractPlaylist(res)),
134 catchError(err => this.restExtractor.handleError(err))
138 createVideoPlaylist (body: VideoPlaylistCreate) {
139 const data = objectToFormData(body)
141 return this.authHttp.post<{ videoPlaylist: { id: number } }>(VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL, data)
144 if (!this.myAccountPlaylistCache) return
146 this.myAccountPlaylistCache.total++
148 this.myAccountPlaylistCache.data.push({
149 id: res.videoPlaylist.id,
150 displayName: body.displayName
153 this.myAccountPlaylistCacheSubject.next(this.myAccountPlaylistCache)
155 catchError(err => this.restExtractor.handleError(err))
159 updateVideoPlaylist (videoPlaylist: VideoPlaylist, body: VideoPlaylistUpdate) {
160 const data = objectToFormData(body)
162 return this.authHttp.put(VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + videoPlaylist.id, data)
164 map(this.restExtractor.extractDataBool),
166 if (!this.myAccountPlaylistCache) return
168 const playlist = this.myAccountPlaylistCache.data.find(p => p.id === videoPlaylist.id)
169 playlist.displayName = body.displayName
171 this.myAccountPlaylistCacheSubject.next(this.myAccountPlaylistCache)
173 catchError(err => this.restExtractor.handleError(err))
177 removeVideoPlaylist (videoPlaylist: VideoPlaylist) {
178 return this.authHttp.delete(VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + videoPlaylist.id)
180 map(this.restExtractor.extractDataBool),
182 if (!this.myAccountPlaylistCache) return
184 this.myAccountPlaylistCache.total--
185 this.myAccountPlaylistCache.data = this.myAccountPlaylistCache.data
186 .filter(p => p.id !== videoPlaylist.id)
188 this.myAccountPlaylistCacheSubject.next(this.myAccountPlaylistCache)
190 catchError(err => this.restExtractor.handleError(err))
194 addVideoInPlaylist (playlistId: number, body: VideoPlaylistElementCreate) {
195 const url = VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + playlistId + '/videos'
197 return this.authHttp.post<{ videoPlaylistElement: { id: number } }>(url, body)
200 const existsResult = this.videoExistsCache[body.videoId]
203 playlistElementId: res.videoPlaylistElement.id,
204 startTimestamp: body.startTimestamp,
205 stopTimestamp: body.stopTimestamp
208 this.runPlaylistCheck(body.videoId)
210 catchError(err => this.restExtractor.handleError(err))
214 updateVideoOfPlaylist (playlistId: number, playlistElementId: number, body: VideoPlaylistElementUpdate, videoId: number) {
215 return this.authHttp.put(VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + playlistId + '/videos/' + playlistElementId, body)
217 map(this.restExtractor.extractDataBool),
219 const existsResult = this.videoExistsCache[videoId]
220 const elem = existsResult.find(e => e.playlistElementId === playlistElementId)
222 elem.startTimestamp = body.startTimestamp
223 elem.stopTimestamp = body.stopTimestamp
225 this.runPlaylistCheck(videoId)
227 catchError(err => this.restExtractor.handleError(err))
231 removeVideoFromPlaylist (playlistId: number, playlistElementId: number, videoId?: number) {
232 return this.authHttp.delete(VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + playlistId + '/videos/' + playlistElementId)
234 map(this.restExtractor.extractDataBool),
238 this.videoExistsCache[videoId] = this.videoExistsCache[videoId].filter(e => e.playlistElementId !== playlistElementId)
239 this.runPlaylistCheck(videoId)
241 catchError(err => this.restExtractor.handleError(err))
245 reorderPlaylist (playlistId: number, oldPosition: number, newPosition: number) {
246 const body: VideoPlaylistReorder = {
247 startPosition: oldPosition,
248 insertAfterPosition: newPosition
251 return this.authHttp.post(VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + playlistId + '/videos/reorder', body)
253 map(this.restExtractor.extractDataBool),
254 catchError(err => this.restExtractor.handleError(err))
259 videoPlaylistId: number | string,
260 componentPagination: ComponentPaginationLight
261 ): Observable<ResultList<VideoPlaylistElement>> {
262 const path = VideoPlaylistService.BASE_VIDEO_PLAYLIST_URL + videoPlaylistId + '/videos'
263 const pagination = this.restService.componentPaginationToRestPagination(componentPagination)
265 let params = new HttpParams()
266 params = this.restService.addRestGetParams(params, pagination)
269 .get<ResultList<ServerVideoPlaylistElement>>(path, { params })
271 switchMap(res => this.extractVideoPlaylistElements(res)),
272 catchError(err => this.restExtractor.handleError(err))
276 listenToMyAccountPlaylistsChange () {
277 return this.myAccountPlaylistCacheSubject.asObservable()
280 listenToVideoPlaylistChange (videoId: number) {
281 if (this.videoExistsObservableCache[ videoId ]) {
282 return this.videoExistsObservableCache[ videoId ]
285 const obs = this.videoExistsInPlaylistObservable
287 map(existsResult => existsResult[ videoId ]),
289 tap(result => this.videoExistsCache[ videoId ] = result)
292 this.videoExistsObservableCache[ videoId ] = obs
296 runPlaylistCheck (videoId: number) {
297 logger('Running playlist check.')
299 if (this.videoExistsCache[videoId]) {
300 logger('Found cache for %d.', videoId)
302 return this.videoExistsInPlaylistCacheSubject.next({ [videoId]: this.videoExistsCache[videoId] })
305 logger('Fetching from network for %d.', videoId)
306 return this.videoExistsInPlaylistNotifier.next(videoId)
309 extractPlaylists (result: ResultList<VideoPlaylistServerModel>) {
310 return this.serverService.getServerLocale()
312 map(translations => {
313 const playlistsJSON = result.data
314 const total = result.total
315 const playlists: VideoPlaylist[] = []
317 for (const playlistJSON of playlistsJSON) {
318 playlists.push(new VideoPlaylist(playlistJSON, translations))
321 return { data: playlists, total }
326 extractPlaylist (playlist: VideoPlaylistServerModel) {
327 return this.serverService.getServerLocale()
328 .pipe(map(translations => new VideoPlaylist(playlist, translations)))
331 extractVideoPlaylistElements (result: ResultList<ServerVideoPlaylistElement>) {
332 return this.serverService.getServerLocale()
334 map(translations => {
335 const elementsJson = result.data
336 const total = result.total
337 const elements: VideoPlaylistElement[] = []
339 for (const elementJson of elementsJson) {
340 elements.push(new VideoPlaylistElement(elementJson, translations))
343 return { total, data: elements }
348 private doVideosExistInPlaylist (videoIds: number[]): Observable<VideosExistInPlaylists> {
349 const url = VideoPlaylistService.MY_VIDEO_PLAYLIST_URL + 'videos-exist'
351 let params = new HttpParams()
352 params = this.restService.addObjectParams(params, { videoIds })
354 return this.authHttp.get<VideoExistInPlaylist>(url, { params, headers: { ignoreLoadingBar: '' } })
355 .pipe(catchError(err => this.restExtractor.handleError(err)))