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1 | import { Component, EventEmitter, Input, Output } from '@angular/core' | |
2 | import { Router } from '@angular/router' | |
3 | import { AuthService, ComponentPagination, HooksService, Notifier, SessionStorageService, UserService } from '@app/core' | |
4 | import { VideoPlaylist, VideoPlaylistElement, VideoPlaylistService } from '@app/shared/shared-video-playlist' | |
5 | import { peertubeSessionStorage } from '@root-helpers/peertube-web-storage' | |
6 | import { getBoolOrDefault } from '@root-helpers/local-storage-utils' | |
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 SESSION_STORAGE_LOOP_PLAYLIST = 'loop_playlist' | |
16 | ||
17 | @Input() playlist: VideoPlaylist | |
18 | ||
19 | @Output() videoFound = new EventEmitter<string>() | |
20 | ||
21 | playlistElements: VideoPlaylistElement[] = [] | |
22 | playlistPagination: ComponentPagination = { | |
23 | currentPage: 1, | |
24 | itemsPerPage: 30, | |
25 | totalItems: null | |
26 | } | |
27 | ||
28 | autoPlayNextVideoPlaylist: boolean | |
29 | autoPlayNextVideoPlaylistSwitchText = '' | |
30 | loopPlaylist: boolean | |
31 | loopPlaylistSwitchText = '' | |
32 | noPlaylistVideos = false | |
33 | ||
34 | currentPlaylistPosition: number | |
35 | ||
36 | constructor ( | |
37 | private hooks: HooksService, | |
38 | private userService: UserService, | |
39 | private auth: AuthService, | |
40 | private notifier: Notifier, | |
41 | private videoPlaylist: VideoPlaylistService, | |
42 | private sessionStorage: SessionStorageService, | |
43 | private router: Router | |
44 | ) { | |
45 | this.userService.getAnonymousOrLoggedUser() | |
46 | .subscribe(user => this.autoPlayNextVideoPlaylist = user.autoPlayNextVideoPlaylist) | |
47 | ||
48 | this.setAutoPlayNextVideoPlaylistSwitchText() | |
49 | ||
50 | this.loopPlaylist = getBoolOrDefault(this.sessionStorage.getItem(VideoWatchPlaylistComponent.SESSION_STORAGE_LOOP_PLAYLIST), false) | |
51 | this.setLoopPlaylistSwitchText() | |
52 | } | |
53 | ||
54 | onPlaylistVideosNearOfBottom (position?: number) { | |
55 | // Last page | |
56 | if (this.playlistPagination.totalItems <= (this.playlistPagination.currentPage * this.playlistPagination.itemsPerPage)) return | |
57 | ||
58 | this.playlistPagination.currentPage += 1 | |
59 | this.loadPlaylistElements(this.playlist, false, position) | |
60 | } | |
61 | ||
62 | onElementRemoved (playlistElement: VideoPlaylistElement) { | |
63 | this.playlistElements = this.playlistElements.filter(e => e.id !== playlistElement.id) | |
64 | ||
65 | this.playlistPagination.totalItems-- | |
66 | } | |
67 | ||
68 | isPlaylistOwned () { | |
69 | return this.playlist.isLocal === true && | |
70 | this.auth.isLoggedIn() && | |
71 | this.playlist.ownerAccount.name === this.auth.getUser().username | |
72 | } | |
73 | ||
74 | isUnlistedPlaylist () { | |
75 | return this.playlist.privacy.id === VideoPlaylistPrivacy.UNLISTED | |
76 | } | |
77 | ||
78 | isPrivatePlaylist () { | |
79 | return this.playlist.privacy.id === VideoPlaylistPrivacy.PRIVATE | |
80 | } | |
81 | ||
82 | isPublicPlaylist () { | |
83 | return this.playlist.privacy.id === VideoPlaylistPrivacy.PUBLIC | |
84 | } | |
85 | ||
86 | loadPlaylistElements (playlist: VideoPlaylist, redirectToFirst = false, position?: number) { | |
87 | const obs = this.hooks.wrapObsFun( | |
88 | this.videoPlaylist.getPlaylistVideos.bind(this.videoPlaylist), | |
89 | { videoPlaylistId: playlist.uuid, componentPagination: this.playlistPagination }, | |
90 | 'video-watch', | |
91 | 'filter:api.video-watch.video-playlist-elements.get.params', | |
92 | 'filter:api.video-watch.video-playlist-elements.get.result' | |
93 | ) | |
94 | ||
95 | obs.subscribe(({ total, data: playlistElements }) => { | |
96 | this.playlistElements = this.playlistElements.concat(playlistElements) | |
97 | this.playlistPagination.totalItems = total | |
98 | ||
99 | const firstAvailableVideo = this.playlistElements.find(e => !!e.video) | |
100 | if (!firstAvailableVideo) { | |
101 | this.noPlaylistVideos = true | |
102 | return | |
103 | } | |
104 | ||
105 | if (position) this.updatePlaylistIndex(position) | |
106 | ||
107 | if (redirectToFirst) { | |
108 | const extras = { | |
109 | queryParams: { | |
110 | start: firstAvailableVideo.startTimestamp, | |
111 | stop: firstAvailableVideo.stopTimestamp, | |
112 | playlistPosition: firstAvailableVideo.position | |
113 | }, | |
114 | replaceUrl: true | |
115 | } | |
116 | this.router.navigate([], extras) | |
117 | } | |
118 | }) | |
119 | } | |
120 | ||
121 | updatePlaylistIndex (position: number) { | |
122 | if (this.playlistElements.length === 0 || !position) return | |
123 | ||
124 | // Handle the reverse index | |
125 | if (position < 0) position = this.playlist.videosLength + position + 1 | |
126 | ||
127 | for (const playlistElement of this.playlistElements) { | |
128 | // >= if the previous videos were not valid | |
129 | if (playlistElement.video && playlistElement.position >= position) { | |
130 | this.currentPlaylistPosition = playlistElement.position | |
131 | ||
132 | this.videoFound.emit(playlistElement.video.uuid) | |
133 | ||
134 | setTimeout(() => { | |
135 | document.querySelector('.element-' + this.currentPlaylistPosition).scrollIntoView(false) | |
136 | }) | |
137 | ||
138 | return | |
139 | } | |
140 | } | |
141 | ||
142 | // Load more videos to find our video | |
143 | this.onPlaylistVideosNearOfBottom(position) | |
144 | } | |
145 | ||
146 | hasPreviousVideo () { | |
147 | return !!this.findPlaylistVideo(this.currentPlaylistPosition - 1, 'previous') | |
148 | } | |
149 | ||
150 | hasNextVideo () { | |
151 | return !!this.findPlaylistVideo(this.currentPlaylistPosition + 1, 'next') | |
152 | } | |
153 | ||
154 | navigateToPreviousPlaylistVideo () { | |
155 | const previous = this.findPlaylistVideo(this.currentPlaylistPosition - 1, 'previous') | |
156 | if (!previous) return | |
157 | ||
158 | const start = previous.startTimestamp | |
159 | const stop = previous.stopTimestamp | |
160 | this.router.navigate([], { queryParams: { playlistPosition: previous.position, start, stop } }) | |
161 | } | |
162 | ||
163 | findPlaylistVideo (position: number, type: 'previous' | 'next'): VideoPlaylistElement { | |
164 | if ( | |
165 | (type === 'next' && position > this.playlistPagination.totalItems) || | |
166 | (type === 'previous' && position < 1) | |
167 | ) { | |
168 | // End of the playlist: end the recursion if we're not in the loop mode | |
169 | if (!this.loopPlaylist) return | |
170 | ||
171 | // Loop mode | |
172 | position = type === 'previous' | |
173 | ? this.playlistPagination.totalItems | |
174 | : 1 | |
175 | } | |
176 | ||
177 | const found = this.playlistElements.find(e => e.position === position) | |
178 | if (found?.video) return found | |
179 | ||
180 | const newPosition = type === 'previous' | |
181 | ? position - 1 | |
182 | : position + 1 | |
183 | ||
184 | return this.findPlaylistVideo(newPosition, type) | |
185 | } | |
186 | ||
187 | navigateToNextPlaylistVideo () { | |
188 | const next = this.findPlaylistVideo(this.currentPlaylistPosition + 1, 'next') | |
189 | if (!next) return | |
190 | ||
191 | const start = next.startTimestamp | |
192 | const stop = next.stopTimestamp | |
193 | this.router.navigate([], { queryParams: { playlistPosition: next.position, start, stop } }) | |
194 | } | |
195 | ||
196 | switchAutoPlayNextVideoPlaylist () { | |
197 | this.autoPlayNextVideoPlaylist = !this.autoPlayNextVideoPlaylist | |
198 | this.setAutoPlayNextVideoPlaylistSwitchText() | |
199 | ||
200 | const details = { autoPlayNextVideoPlaylist: this.autoPlayNextVideoPlaylist } | |
201 | ||
202 | if (this.auth.isLoggedIn()) { | |
203 | this.userService.updateMyProfile(details) | |
204 | .subscribe({ | |
205 | next: () => { | |
206 | this.auth.refreshUserInformation() | |
207 | }, | |
208 | ||
209 | error: err => this.notifier.error(err.message) | |
210 | }) | |
211 | } else { | |
212 | this.userService.updateMyAnonymousProfile(details) | |
213 | } | |
214 | } | |
215 | ||
216 | switchLoopPlaylist () { | |
217 | this.loopPlaylist = !this.loopPlaylist | |
218 | this.setLoopPlaylistSwitchText() | |
219 | ||
220 | peertubeSessionStorage.setItem( | |
221 | VideoWatchPlaylistComponent.SESSION_STORAGE_LOOP_PLAYLIST, | |
222 | this.loopPlaylist.toString() | |
223 | ) | |
224 | } | |
225 | ||
226 | private setAutoPlayNextVideoPlaylistSwitchText () { | |
227 | this.autoPlayNextVideoPlaylistSwitchText = this.autoPlayNextVideoPlaylist | |
228 | ? $localize`Stop autoplaying next video` | |
229 | : $localize`Autoplay next video` | |
230 | } | |
231 | ||
232 | private setLoopPlaylistSwitchText () { | |
233 | this.loopPlaylistSwitchText = this.loopPlaylist | |
234 | ? $localize`Stop looping playlist videos` | |
235 | : $localize`Loop playlist videos` | |
236 | } | |
237 | } |