Refactoring

src/services/push-notification.ts

@@ -0,0 +1,61 @@
+import * as push from 'web-push';
+import * as mongo from 'mongodb';
+import Subscription from '../models/sw-subscription';
+import config from '../config';
+import fetchMeta from '../misc/fetch-meta';
+import { IMeta } from '../models/meta';
+
+let meta: IMeta = null;
+
+setInterval(() => {
+	fetchMeta().then(m => {
+		meta = m;
+
+		if (meta.enableServiceWorker) {
+			// アプリケーションの連絡先と、サーバーサイドの鍵ペアの情報を登録
+			push.setVapidDetails(config.url,
+				meta.swPublicKey,
+				meta.swPrivateKey);
+		}
+	});
+}, 3000);
+
+export default async function(userId: mongo.ObjectID | string, type: string, body?: any) {
+	if (!meta.enableServiceWorker) return;
+
+	if (typeof userId === 'string') {
+		userId = new mongo.ObjectID(userId);
+	}
+
+	// Fetch
+	const subscriptions = await Subscription.find({
+		userId: userId
+	});
+
+	for (const subscription of subscriptions) {
+		const pushSubscription = {
+			endpoint: subscription.endpoint,
+			keys: {
+				auth: subscription.auth,
+				p256dh: subscription.publickey
+			}
+		};
+
+		push.sendNotification(pushSubscription, JSON.stringify({
+			type, body
+		})).catch((err: any) => {
+			//swLogger.info(err.statusCode);
+			//swLogger.info(err.headers);
+			//swLogger.info(err.body);
+
+			if (err.statusCode == 410) {
+				Subscription.remove({
+					userId: userId,
+					endpoint: subscription.endpoint,
+					auth: subscription.auth,
+					publickey: subscription.publickey
+				});
+			}
+		});
+	}
+}