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1 | import { Subject, Subscription } from 'rxjs' | |
2 | import { filter } from 'rxjs/operators' | |
3 | import { Component, EventEmitter, Output, OnDestroy, OnInit, ViewChild } from '@angular/core' | |
4 | import { NavigationEnd, Router } from '@angular/router' | |
5 | import { Notifier, PeerTubeSocket, ScreenService } from '@app/core' | |
6 | import { UserNotificationService } from '@app/shared/shared-main' | |
7 | import { NgbPopover } from '@ng-bootstrap/ng-bootstrap' | |
8 | ||
9 | @Component({ | |
10 | selector: 'my-notification', | |
11 | templateUrl: './notification.component.html', | |
12 | styleUrls: [ './notification.component.scss' ] | |
13 | }) | |
14 | export class NotificationComponent implements OnInit, OnDestroy { | |
15 | @ViewChild('popover', { static: true }) popover: NgbPopover | |
16 | ||
17 | @Output() navigate = new EventEmitter<HTMLAnchorElement>() | |
18 | ||
19 | unreadNotifications = 0 | |
20 | loaded = false | |
21 | opened = false | |
22 | ||
23 | markAllAsReadSubject = new Subject<boolean>() | |
24 | ||
25 | private notificationSub: Subscription | |
26 | private routeSub: Subscription | |
27 | ||
28 | constructor ( | |
29 | private userNotificationService: UserNotificationService, | |
30 | private screenService: ScreenService, | |
31 | private peertubeSocket: PeerTubeSocket, | |
32 | private notifier: Notifier, | |
33 | private router: Router | |
34 | ) { | |
35 | } | |
36 | ||
37 | ngOnInit () { | |
38 | this.userNotificationService.countUnreadNotifications() | |
39 | .subscribe( | |
40 | result => { | |
41 | this.unreadNotifications = Math.min(result, 99) // Limit number to 99 | |
42 | this.subscribeToNotifications() | |
43 | }, | |
44 | ||
45 | err => this.notifier.error(err.message) | |
46 | ) | |
47 | ||
48 | this.routeSub = this.router.events | |
49 | .pipe(filter(event => event instanceof NavigationEnd)) | |
50 | .subscribe(() => this.closePopover()) | |
51 | } | |
52 | ||
53 | ngOnDestroy () { | |
54 | if (this.notificationSub) this.notificationSub.unsubscribe() | |
55 | if (this.routeSub) this.routeSub.unsubscribe() | |
56 | } | |
57 | ||
58 | get isInMobileView () { | |
59 | return this.screenService.isInMobileView() | |
60 | } | |
61 | ||
62 | closePopover () { | |
63 | this.popover.close() | |
64 | } | |
65 | ||
66 | onPopoverShown () { | |
67 | this.opened = true | |
68 | ||
69 | document.querySelector('menu').scrollTo(0, 0) // Reset menu scroll to easy lock | |
70 | document.querySelector('menu').addEventListener('scroll', this.onMenuScrollEvent) | |
71 | } | |
72 | ||
73 | onPopoverHidden () { | |
74 | this.loaded = false | |
75 | this.opened = false | |
76 | ||
77 | document.querySelector('menu').removeEventListener('scroll', this.onMenuScrollEvent) | |
78 | } | |
79 | ||
80 | // Lock menu scroll when menu scroll to avoid fleeing / detached dropdown | |
81 | onMenuScrollEvent () { | |
82 | document.querySelector('menu').scrollTo(0, 0) | |
83 | } | |
84 | ||
85 | onNotificationLoaded () { | |
86 | this.loaded = true | |
87 | } | |
88 | ||
89 | onNavigate (link: HTMLAnchorElement) { | |
90 | this.closePopover() | |
91 | this.navigate.emit(link) | |
92 | } | |
93 | ||
94 | markAllAsRead () { | |
95 | this.markAllAsReadSubject.next(true) | |
96 | } | |
97 | ||
98 | private async subscribeToNotifications () { | |
99 | const obs = await this.peertubeSocket.getMyNotificationsSocket() | |
100 | ||
101 | this.notificationSub = obs.subscribe(data => { | |
102 | if (data.type === 'new') return this.unreadNotifications++ | |
103 | if (data.type === 'read') return this.unreadNotifications-- | |
104 | if (data.type === 'read-all') return this.unreadNotifications = 0 | |
105 | }) | |
106 | } | |
107 | } |