- PUSH Notification

server/router/push.js

@@ -0,0 +1,81 @@
+const express = require('express');
+const router = express.Router();
+const mongoose = require('mongoose');
+const Subscription = mongoose.model('subscribers');
+// const q = require('q');
+const webpush = require('web-push');
+
+router.post('/', (req, res) => {
+    const payload = {
+        title: req.body.title,
+        message: req.body.message,
+        url: req.body.url,
+        ttl: req.body.ttl,
+        icon: req.body.icon,
+        image: req.body.image,
+        badge: req.body.badge,
+        tag: req.body.tag
+    };
+
+    Subscription.find({}, (err, subscriptions) => {
+        if (err) {
+            console.error(`Error occurred while getting subscriptions`);
+            res.status(500).json({
+                error: 'Technical error occurred'
+            });
+        } else {
+            let parallelSubscriptionCalls = subscriptions.map((subscription) => {
+                return new Promise((resolve, reject) => {
+                    const pushSubscription = {
+                        endpoint: subscription.endpoint,
+                        keys: {
+                            p256dh: subscription.keys.p256dh,
+                            auth: subscription.keys.auth
+                        }
+                    };
+
+                    const pushPayload = JSON.stringify(payload);
+                    const pushOptions = {
+                        vapidDetails: {
+                            subject: process.env.URLBASE_APP1,
+                            privateKey: process.env.PRIVATE_VAPI_KEY,
+                            publicKey: process.env.PUBLIC_VAPI_KEY,
+                        },
+                        TTL: payload.ttl,
+                        headers: {}
+                    };
+                    webpush.sendNotification(
+                        pushSubscription,
+                        pushPayload,
+                        pushOptions
+                    ).then((value) => {
+                        resolve({
+                            status: true,
+                            endpoint: subscription.endpoint,
+                            data: value
+                        });
+                    }).catch((err) => {
+                        reject({
+                            status: false,
+                            endpoint: subscription.endpoint,
+                            data: err
+                        });
+                    });
+                });
+            });
+            q.allSettled(parallelSubscriptionCalls).then((pushResults) => {
+                console.info(pushResults);
+            });
+            res.json({
+                data: 'Push triggered'
+            });
+        }
+    });
+});
+
+router.get('/', (req, res) => {
+    res.json({
+        data: 'Invalid Request Bad'
+    });
+});
+module.exports = router;