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9a39392a C |
1 | import { Injectable } from '@angular/core' |
2 | import { environment } from '../../../environments/environment' | |
3 | import { UserNotification as UserNotificationServer } from '../../../../../shared' | |
4 | import { Subject } from 'rxjs' | |
5 | import * as io from 'socket.io-client' | |
6 | import { AuthService } from '../auth' | |
7 | ||
8 | export type NotificationEvent = 'new' | 'read' | 'read-all' | |
9 | ||
10 | @Injectable() | |
11 | export class UserNotificationSocket { | |
12 | private notificationSubject = new Subject<{ type: NotificationEvent, notification?: UserNotificationServer }>() | |
13 | ||
14 | private socket: SocketIOClient.Socket | |
15 | ||
16 | constructor ( | |
17 | private auth: AuthService | |
18 | ) {} | |
19 | ||
20 | dispatch (type: NotificationEvent, notification?: UserNotificationServer) { | |
21 | this.notificationSubject.next({ type, notification }) | |
22 | } | |
23 | ||
24 | getMyNotificationsSocket () { | |
25 | const socket = this.getSocket() | |
26 | ||
27 | socket.on('new-notification', (n: UserNotificationServer) => this.dispatch('new', n)) | |
28 | ||
29 | return this.notificationSubject.asObservable() | |
30 | } | |
31 | ||
32 | private getSocket () { | |
33 | if (this.socket) return this.socket | |
34 | ||
35 | this.socket = io(environment.apiUrl + '/user-notifications', { | |
36 | query: { accessToken: this.auth.getAccessToken() } | |
37 | }) | |
38 | ||
39 | return this.socket | |
40 | } | |
41 | } |