Introduce processor

src/server/api/common/notify.ts

@@ -0,0 +1,50 @@
+import * as mongo from 'mongodb';
+import Notification from '../models/notification';
+import Mute from '../models/mute';
+import event from '../event';
+import { pack } from '../models/notification';
+
+export default (
+	notifiee: mongo.ObjectID,
+	notifier: mongo.ObjectID,
+	type: string,
+	content?: any
+) => new Promise<any>(async (resolve, reject) => {
+	if (notifiee.equals(notifier)) {
+		return resolve();
+	}
+
+	// Create notification
+	const notification = await Notification.insert(Object.assign({
+		created_at: new Date(),
+		notifiee_id: notifiee,
+		notifier_id: notifier,
+		type: type,
+		is_read: false
+	}, content));
+
+	resolve(notification);
+
+	// Publish notification event
+	event(notifiee, 'notification',
+		await pack(notification));
+
+	// 3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 Notification.findOne({ _id: notification._id }, { is_read: true });
+		if (!fresh.is_read) {
+			//#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 mute = await Mute.find({
+				muter_id: notifiee,
+				deleted_at: { $exists: false }
+			});
+			const mutedUserIds = mute.map(m => m.mutee_id.toString());
+			if (mutedUserIds.indexOf(notifier.toString()) != -1) {
+				return;
+			}
+			//#endregion
+
+			event(notifiee, 'unread_notification', await pack(notification));
+		}
+	}, 3000);
+});