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41fb13c3 C |
1 | import { Server as HTTPServer } from 'http' |
2 | import { Namespace, Server as SocketServer, Socket } from 'socket.io' | |
3 | import { isIdValid } from '@server/helpers/custom-validators/misc' | |
51353d9a | 4 | import { MVideo, MVideoImmutable } from '@server/types/models' |
26d6bf65 | 5 | import { UserNotificationModelForApi } from '@server/types/models/user' |
a5cf76af C |
6 | import { LiveVideoEventPayload, LiveVideoEventType } from '@shared/models' |
7 | import { logger } from '../helpers/logger' | |
8 | import { authenticateSocket } from '../middlewares' | |
cef534ed C |
9 | |
10 | class PeerTubeSocket { | |
11 | ||
12 | private static instance: PeerTubeSocket | |
13 | ||
41fb13c3 C |
14 | private userNotificationSockets: { [ userId: number ]: Socket[] } = {} |
15 | private liveVideosNamespace: Namespace | |
cef534ed C |
16 | |
17 | private constructor () {} | |
18 | ||
41fb13c3 C |
19 | init (server: HTTPServer) { |
20 | const io = new SocketServer(server) | |
cef534ed C |
21 | |
22 | io.of('/user-notifications') | |
23 | .use(authenticateSocket) | |
24 | .on('connection', socket => { | |
fbd51e69 | 25 | const userId = socket.handshake.auth.user.id |
cef534ed C |
26 | |
27 | logger.debug('User %d connected on the notification system.', userId) | |
28 | ||
1b42d73f C |
29 | if (!this.userNotificationSockets[userId]) this.userNotificationSockets[userId] = [] |
30 | ||
31 | this.userNotificationSockets[userId].push(socket) | |
cef534ed C |
32 | |
33 | socket.on('disconnect', () => { | |
34 | logger.debug('User %d disconnected from SocketIO notifications.', userId) | |
35 | ||
1b42d73f | 36 | this.userNotificationSockets[userId] = this.userNotificationSockets[userId].filter(s => s !== socket) |
cef534ed C |
37 | }) |
38 | }) | |
a5cf76af C |
39 | |
40 | this.liveVideosNamespace = io.of('/live-videos') | |
41 | .on('connection', socket => { | |
bd54ad19 C |
42 | socket.on('subscribe', ({ videoId }) => { |
43 | if (!isIdValid(videoId)) return | |
44 | ||
1a578165 | 45 | /* eslint-disable @typescript-eslint/no-floating-promises */ |
bd54ad19 C |
46 | socket.join(videoId) |
47 | }) | |
48 | ||
49 | socket.on('unsubscribe', ({ videoId }) => { | |
50 | if (!isIdValid(videoId)) return | |
51 | ||
1a578165 | 52 | /* eslint-disable @typescript-eslint/no-floating-promises */ |
bd54ad19 C |
53 | socket.leave(videoId) |
54 | }) | |
a5cf76af | 55 | }) |
cef534ed C |
56 | } |
57 | ||
453e83ea | 58 | sendNotification (userId: number, notification: UserNotificationModelForApi) { |
1b42d73f | 59 | const sockets = this.userNotificationSockets[userId] |
1b42d73f | 60 | if (!sockets) return |
cef534ed | 61 | |
a5cf76af C |
62 | logger.debug('Sending user notification to user %d.', userId) |
63 | ||
20ec0384 | 64 | const notificationMessage = notification.toFormattedJSON() |
1b42d73f | 65 | for (const socket of sockets) { |
20ec0384 | 66 | socket.emit('new-notification', notificationMessage) |
1b42d73f | 67 | } |
cef534ed C |
68 | } |
69 | ||
a5cf76af C |
70 | sendVideoLiveNewState (video: MVideo) { |
71 | const data: LiveVideoEventPayload = { state: video.state } | |
72 | const type: LiveVideoEventType = 'state-change' | |
73 | ||
a800dbf3 C |
74 | logger.debug('Sending video live new state notification of %s.', video.url, { state: video.state }) |
75 | ||
76 | this.liveVideosNamespace | |
77 | .in(video.id) | |
78 | .emit(type, data) | |
79 | } | |
80 | ||
51353d9a C |
81 | sendVideoViewsUpdate (video: MVideoImmutable, numViewers: number) { |
82 | const data: LiveVideoEventPayload = { viewers: numViewers, views: numViewers } | |
a800dbf3 C |
83 | const type: LiveVideoEventType = 'views-change' |
84 | ||
51353d9a | 85 | logger.debug('Sending video live views update notification of %s.', video.url, { viewers: numViewers }) |
a5cf76af C |
86 | |
87 | this.liveVideosNamespace | |
88 | .in(video.id) | |
89 | .emit(type, data) | |
90 | } | |
91 | ||
cef534ed C |
92 | static get Instance () { |
93 | return this.instance || (this.instance = new this()) | |
94 | } | |
95 | } | |
96 | ||
97 | // --------------------------------------------------------------------------- | |
98 | ||
99 | export { | |
100 | PeerTubeSocket | |
101 | } |