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import { Injectable } from '@angular/core'
import { HttpClient, HttpParams } from '@angular/common/http'
import { RestExtractor, RestService } from '@app/shared/rest'
import { catchError, map, tap } from 'rxjs/operators'
import { environment } from '../../../environments/environment'
import { ResultList, UserNotification as UserNotificationServer, UserNotificationSetting } from '../../../../../shared'
import { UserNotification } from '@app/shared/users/user-notification.model'
import { Subject } from 'rxjs'
import * as io from 'socket.io-client'
import { AuthService } from '@app/core'
import { ComponentPagination } from '@app/shared/rest/component-pagination.model'
import { User } from '@app/shared'
@Injectable()
export class UserNotificationService {
static BASE_NOTIFICATIONS_URL = environment.apiUrl + '/api/v1/users/me/notifications'
static BASE_NOTIFICATION_SETTINGS = environment.apiUrl + '/api/v1/users/me/notification-settings'
private notificationSubject = new Subject<{ type: 'new' | 'read' | 'read-all', notification?: UserNotification }>()
private socket: SocketIOClient.Socket
constructor (
private auth: AuthService,
private authHttp: HttpClient,
private restExtractor: RestExtractor,
private restService: RestService
) {}
listMyNotifications (pagination: ComponentPagination, unread?: boolean, ignoreLoadingBar = false) {
let params = new HttpParams()
params = this.restService.addRestGetParams(params, this.restService.componentPaginationToRestPagination(pagination))
if (unread) params = params.append('unread', `${unread}`)
const headers = ignoreLoadingBar ? { ignoreLoadingBar: '' } : undefined
return this.authHttp.get<ResultList<UserNotification>>(UserNotificationService.BASE_NOTIFICATIONS_URL, { params, headers })
.pipe(
map(res => this.restExtractor.convertResultListDateToHuman(res)),
map(res => this.restExtractor.applyToResultListData(res, this.formatNotification.bind(this))),
catchError(err => this.restExtractor.handleError(err))
)
}
countUnreadNotifications () {
return this.listMyNotifications({ currentPage: 1, itemsPerPage: 0 }, true)
.pipe(map(n => n.total))
}
getMyNotificationsSocket () {
const socket = this.getSocket()
socket.on('new-notification', (n: UserNotificationServer) => {
this.notificationSubject.next({ type: 'new', notification: new UserNotification(n) })
})
return this.notificationSubject.asObservable()
}
markAsRead (notification: UserNotification) {
const url = UserNotificationService.BASE_NOTIFICATIONS_URL + '/read'
const body = { ids: [ notification.id ] }
const headers = { ignoreLoadingBar: '' }
return this.authHttp.post(url, body, { headers })
.pipe(
map(this.restExtractor.extractDataBool),
tap(() => this.notificationSubject.next({ type: 'read' })),
catchError(res => this.restExtractor.handleError(res))
)
}
markAllAsRead () {
const url = UserNotificationService.BASE_NOTIFICATIONS_URL + '/read-all'
const headers = { ignoreLoadingBar: '' }
return this.authHttp.post(url, {}, { headers })
.pipe(
map(this.restExtractor.extractDataBool),
tap(() => this.notificationSubject.next({ type: 'read-all' })),
catchError(res => this.restExtractor.handleError(res))
)
}
updateNotificationSettings (user: User, settings: UserNotificationSetting) {
const url = UserNotificationService.BASE_NOTIFICATION_SETTINGS
return this.authHttp.put(url, settings)
.pipe(
map(this.restExtractor.extractDataBool),
catchError(res => this.restExtractor.handleError(res))
)
}
private getSocket () {
if (this.socket) return this.socket
this.socket = io(environment.apiUrl + '/user-notifications', {
query: { accessToken: this.auth.getAccessToken() }
})
return this.socket
}
private formatNotification (notification: UserNotificationServer) {
return new UserNotification(notification)
}
}
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