refactoring

Resolve #7779

packages/backend/src/services/create-notification.ts

@@ -0,0 +1,61 @@
+import { publishMainStream } from '@/services/stream';
+import pushSw from './push-notification';
+import { Notifications, Mutings, UserProfiles, Users } from '@/models/index';
+import { genId } from '@/misc/gen-id';
+import { User } from '@/models/entities/user';
+import { Notification } from '@/models/entities/notification';
+import { sendEmailNotification } from './send-email-notification';
+
+export async function createNotification(
+	notifieeId: User['id'],
+	type: Notification['type'],
+	data: Partial<Notification>
+) {
+	if (data.notifierId && (notifieeId === data.notifierId)) {
+		return null;
+	}
+
+	const profile = await UserProfiles.findOne({ userId: notifieeId });
+
+	const isMuted = profile?.mutingNotificationTypes.includes(type);
+
+	// Create notification
+	const notification = await Notifications.save({
+		id: genId(),
+		createdAt: new Date(),
+		notifieeId: notifieeId,
+		type: type,
+		// 相手がこの通知をミュートしているようなら、既読を予めつけておく
+		isRead: isMuted,
+		...data
+	} as Partial<Notification>);
+
+	const packed = await Notifications.pack(notification, {});
+
+	// Publish notification event
+	publishMainStream(notifieeId, 'notification', packed);
+
+	// 2秒経っても(今回作成した)通知が既読にならなかったら「未読の通知がありますよ」イベントを発行する
+	setTimeout(async () => {
+		const fresh = await Notifications.findOne(notification.id);
+		if (fresh == null) return; // 既に削除されているかもしれない
+		if (fresh.isRead) return;
+
+		//#region ただしミュートしているユーザーからの通知なら無視
+		const mutings = await Mutings.find({
+			muterId: notifieeId
+		});
+		if (data.notifierId && mutings.map(m => m.muteeId).includes(data.notifierId)) {
+			return;
+		}
+		//#endregion
+
+		publishMainStream(notifieeId, 'unreadNotification', packed);
+
+		pushSw(notifieeId, 'notification', packed);
+		if (type === 'follow') sendEmailNotification.follow(notifieeId, await Users.findOneOrFail(data.notifierId!));
+		if (type === 'receiveFollowRequest') sendEmailNotification.receiveFollowRequest(notifieeId, await Users.findOneOrFail(data.notifierId!));
+	}, 2000);
+
+	return notification;
+}