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import { Injectable } from '@angular/core'
import { environment } from '../../../environments/environment'
import { UserNotification as UserNotificationServer } from '../../../../../shared'
import { Subject } from 'rxjs'
import * as io from 'socket.io-client'
import { AuthService } from '../auth'
export type NotificationEvent = 'new' | 'read' | 'read-all'
@Injectable()
export class UserNotificationSocket {
private notificationSubject = new Subject<{ type: NotificationEvent, notification?: UserNotificationServer }>()
private socket: SocketIOClient.Socket
constructor (
private auth: AuthService
) {}
dispatch (type: NotificationEvent, notification?: UserNotificationServer) {
this.notificationSubject.next({ type, notification })
}
getMyNotificationsSocket () {
const socket = this.getSocket()
socket.on('new-notification', (n: UserNotificationServer) => this.dispatch('new', n))
return this.notificationSubject.asObservable()
}
private getSocket () {
if (this.socket) return this.socket
this.socket = io(environment.apiUrl + '/user-notifications', {
query: { accessToken: this.auth.getAccessToken() }
})
return this.socket
}
}
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