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1 | ||
2 | import { Component, EventEmitter, Input, Output } from '@angular/core' | |
3 | import { Router } from '@angular/router' | |
4 | import { AuthService, ComponentPagination, LocalStorageService, Notifier, SessionStorageService, UserService } from '@app/core' | |
5 | import { VideoPlaylist, VideoPlaylistElement, VideoPlaylistService } from '@app/shared/shared-video-playlist' | |
6 | import { peertubeLocalStorage, peertubeSessionStorage } from '@root-helpers/peertube-web-storage' | |
7 | import { VideoPlaylistPrivacy } from '@shared/models' | |
8 | ||
9 | @Component({ | |
10 | selector: 'my-video-watch-playlist', | |
11 | templateUrl: './video-watch-playlist.component.html', | |
12 | styleUrls: [ './video-watch-playlist.component.scss' ] | |
13 | }) | |
14 | export class VideoWatchPlaylistComponent { | |
15 | static LOCAL_STORAGE_AUTO_PLAY_NEXT_VIDEO_PLAYLIST = 'auto_play_video_playlist' | |
16 | static SESSION_STORAGE_AUTO_PLAY_NEXT_VIDEO_PLAYLIST = 'loop_playlist' | |
17 | ||
18 | @Input() playlist: VideoPlaylist | |
19 | ||
20 | @Output() videoFound = new EventEmitter<string>() | |
21 | ||
22 | playlistElements: VideoPlaylistElement[] = [] | |
23 | playlistPagination: ComponentPagination = { | |
24 | currentPage: 1, | |
25 | itemsPerPage: 30, | |
26 | totalItems: null | |
27 | } | |
28 | ||
29 | autoPlayNextVideoPlaylist: boolean | |
30 | autoPlayNextVideoPlaylistSwitchText = '' | |
31 | loopPlaylist: boolean | |
32 | loopPlaylistSwitchText = '' | |
33 | noPlaylistVideos = false | |
34 | ||
35 | currentPlaylistPosition: number | |
36 | ||
37 | constructor ( | |
38 | private userService: UserService, | |
39 | private auth: AuthService, | |
40 | private notifier: Notifier, | |
41 | private videoPlaylist: VideoPlaylistService, | |
42 | private localStorageService: LocalStorageService, | |
43 | private sessionStorageService: SessionStorageService, | |
44 | private router: Router | |
45 | ) { | |
46 | // defaults to true | |
47 | this.autoPlayNextVideoPlaylist = this.auth.isLoggedIn() | |
48 | ? this.auth.getUser().autoPlayNextVideoPlaylist | |
49 | : this.localStorageService.getItem(VideoWatchPlaylistComponent.LOCAL_STORAGE_AUTO_PLAY_NEXT_VIDEO_PLAYLIST) !== 'false' | |
50 | ||
51 | this.setAutoPlayNextVideoPlaylistSwitchText() | |
52 | ||
53 | // defaults to false | |
54 | this.loopPlaylist = this.sessionStorageService.getItem(VideoWatchPlaylistComponent.SESSION_STORAGE_AUTO_PLAY_NEXT_VIDEO_PLAYLIST) === 'true' | |
55 | this.setLoopPlaylistSwitchText() | |
56 | } | |
57 | ||
58 | onPlaylistVideosNearOfBottom (position?: number) { | |
59 | // Last page | |
60 | if (this.playlistPagination.totalItems <= (this.playlistPagination.currentPage * this.playlistPagination.itemsPerPage)) return | |
61 | ||
62 | this.playlistPagination.currentPage += 1 | |
63 | this.loadPlaylistElements(this.playlist, false, position) | |
64 | } | |
65 | ||
66 | onElementRemoved (playlistElement: VideoPlaylistElement) { | |
67 | this.playlistElements = this.playlistElements.filter(e => e.id !== playlistElement.id) | |
68 | ||
69 | this.playlistPagination.totalItems-- | |
70 | } | |
71 | ||
72 | isPlaylistOwned () { | |
73 | return this.playlist.isLocal === true && | |
74 | this.auth.isLoggedIn() && | |
75 | this.playlist.ownerAccount.name === this.auth.getUser().username | |
76 | } | |
77 | ||
78 | isUnlistedPlaylist () { | |
79 | return this.playlist.privacy.id === VideoPlaylistPrivacy.UNLISTED | |
80 | } | |
81 | ||
82 | isPrivatePlaylist () { | |
83 | return this.playlist.privacy.id === VideoPlaylistPrivacy.PRIVATE | |
84 | } | |
85 | ||
86 | isPublicPlaylist () { | |
87 | return this.playlist.privacy.id === VideoPlaylistPrivacy.PUBLIC | |
88 | } | |
89 | ||
90 | loadPlaylistElements (playlist: VideoPlaylist, redirectToFirst = false, position?: number) { | |
91 | this.videoPlaylist.getPlaylistVideos(playlist.uuid, this.playlistPagination) | |
92 | .subscribe(({ total, data }) => { | |
93 | this.playlistElements = this.playlistElements.concat(data) | |
94 | this.playlistPagination.totalItems = total | |
95 | ||
96 | const firstAvailableVideo = this.playlistElements.find(e => !!e.video) | |
97 | if (!firstAvailableVideo) { | |
98 | this.noPlaylistVideos = true | |
99 | return | |
100 | } | |
101 | ||
102 | if (position) this.updatePlaylistIndex(position) | |
103 | ||
104 | if (redirectToFirst) { | |
105 | const extras = { | |
106 | queryParams: { | |
107 | start: firstAvailableVideo.startTimestamp, | |
108 | stop: firstAvailableVideo.stopTimestamp, | |
109 | playlistPosition: firstAvailableVideo.position | |
110 | }, | |
111 | replaceUrl: true | |
112 | } | |
113 | this.router.navigate([], extras) | |
114 | } | |
115 | }) | |
116 | } | |
117 | ||
118 | updatePlaylistIndex (position: number) { | |
119 | if (this.playlistElements.length === 0 || !position) return | |
120 | ||
121 | // Handle the reverse index | |
122 | if (position < 0) position = this.playlist.videosLength + position + 1 | |
123 | ||
124 | for (const playlistElement of this.playlistElements) { | |
125 | // >= if the previous videos were not valid | |
126 | if (playlistElement.video && playlistElement.position >= position) { | |
127 | this.currentPlaylistPosition = playlistElement.position | |
128 | ||
129 | this.videoFound.emit(playlistElement.video.uuid) | |
130 | ||
131 | setTimeout(() => { | |
132 | document.querySelector('.element-' + this.currentPlaylistPosition).scrollIntoView(false) | |
133 | }, 0) | |
134 | ||
135 | return | |
136 | } | |
137 | } | |
138 | ||
139 | // Load more videos to find our video | |
140 | this.onPlaylistVideosNearOfBottom(position) | |
141 | } | |
142 | ||
143 | navigateToPreviousPlaylistVideo () { | |
144 | const previous = this.findPlaylistVideo(this.currentPlaylistPosition - 1, 'previous') | |
145 | if (!previous) return | |
146 | ||
147 | const start = previous.startTimestamp | |
148 | const stop = previous.stopTimestamp | |
149 | this.router.navigate([],{ queryParams: { playlistPosition: previous.position, start, stop } }) | |
150 | } | |
151 | ||
152 | findPlaylistVideo (position: number, type: 'previous' | 'next'): VideoPlaylistElement { | |
153 | if ( | |
154 | (type === 'next' && position > this.playlistPagination.totalItems) || | |
155 | (type === 'previous' && position < 1) | |
156 | ) { | |
157 | // End of the playlist: end the recursion if we're not in the loop mode | |
158 | if (!this.loopPlaylist) return | |
159 | ||
160 | // Loop mode | |
161 | position = type === 'previous' | |
162 | ? this.playlistPagination.totalItems | |
163 | : 1 | |
164 | } | |
165 | ||
166 | const found = this.playlistElements.find(e => e.position === position) | |
167 | if (found && found.video) return found | |
168 | ||
169 | const newPosition = type === 'previous' | |
170 | ? position - 1 | |
171 | : position + 1 | |
172 | ||
173 | return this.findPlaylistVideo(newPosition, type) | |
174 | } | |
175 | ||
176 | navigateToNextPlaylistVideo () { | |
177 | const next = this.findPlaylistVideo(this.currentPlaylistPosition + 1, 'next') | |
178 | if (!next) return | |
179 | ||
180 | const start = next.startTimestamp | |
181 | const stop = next.stopTimestamp | |
182 | this.router.navigate([],{ queryParams: { playlistPosition: next.position, start, stop } }) | |
183 | } | |
184 | ||
185 | switchAutoPlayNextVideoPlaylist () { | |
186 | this.autoPlayNextVideoPlaylist = !this.autoPlayNextVideoPlaylist | |
187 | this.setAutoPlayNextVideoPlaylistSwitchText() | |
188 | ||
189 | peertubeLocalStorage.setItem( | |
190 | VideoWatchPlaylistComponent.LOCAL_STORAGE_AUTO_PLAY_NEXT_VIDEO_PLAYLIST, | |
191 | this.autoPlayNextVideoPlaylist.toString() | |
192 | ) | |
193 | ||
194 | if (this.auth.isLoggedIn()) { | |
195 | const details = { | |
196 | autoPlayNextVideoPlaylist: this.autoPlayNextVideoPlaylist | |
197 | } | |
198 | ||
199 | this.userService.updateMyProfile(details).subscribe( | |
200 | () => { | |
201 | this.auth.refreshUserInformation() | |
202 | }, | |
203 | err => this.notifier.error(err.message) | |
204 | ) | |
205 | } | |
206 | } | |
207 | ||
208 | switchLoopPlaylist () { | |
209 | this.loopPlaylist = !this.loopPlaylist | |
210 | this.setLoopPlaylistSwitchText() | |
211 | ||
212 | peertubeSessionStorage.setItem( | |
213 | VideoWatchPlaylistComponent.SESSION_STORAGE_AUTO_PLAY_NEXT_VIDEO_PLAYLIST, | |
214 | this.loopPlaylist.toString() | |
215 | ) | |
216 | } | |
217 | ||
218 | private setAutoPlayNextVideoPlaylistSwitchText () { | |
219 | this.autoPlayNextVideoPlaylistSwitchText = this.autoPlayNextVideoPlaylist | |
220 | ? $localize`Stop autoplaying next video` | |
221 | : $localize`Autoplay next video` | |
222 | } | |
223 | ||
224 | private setLoopPlaylistSwitchText () { | |
225 | this.loopPlaylistSwitchText = this.loopPlaylist | |
226 | ? $localize`Stop looping playlist videos` | |
227 | : $localize`Loop playlist videos` | |
228 | } | |
229 | } |