Initial commit

.gitignore

@@ -0,0 +1,88 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+.env.test
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+
+# next.js build output
+.next
+
+# nuxt.js build output
+.nuxt
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/

backend/index.js

@@ -0,0 +1,54 @@
+const express = require('express')
+const cors = require('cors')
+const bodyParser = require('body-parser')
+const webpush = require('web-push')
+
+const app = express()
+app.use(cors())
+app.use(bodyParser.json())
+
+const port = 4000
+
+app.get('/', (req, res) => res.send('Hello World'))
+
+const dummyDb = { subscription: null } //dummy in memory store
+
+const saveToDatabase = async subscription => {
+  // Since this is a demo app, I am going to save this in a dummy in memory store. Do not do this in your apps.
+  // Here you should be writing your db logic to save it.
+  dummyDb.subscription = subscription
+}
+
+// The new /save-subscription endpoint
+app.post('/save-subscription', async (req, res) => {
+  const subscription = req.body
+  await saveToDatabase(subscription) //Method to save the subscription to Database
+  res.json({ message: 'success' })
+})
+
+const vapidKeys = {
+    publicKey: 'BPXi5ocqGCdMnF3QEWCJwBkYezEi-j8qUCJoVp53dn8O3N11fRHEz8Q9BcomKyh97kg4i1j5TZrbwdDiAHqvYFA',
+    privateKey: 'NdxxkTYfyI2uHES7mj4arBPsyqUbsluYtZOGEKoyqIA'
+}
+
+//setting our previously generated VAPID keys
+webpush.setVapidDetails(
+  'mailto:[email protected]',
+  vapidKeys.publicKey,
+  vapidKeys.privateKey
+)
+//function to send the notification to the subscribed device
+const sendNotification = (subscription, dataToSend='') => {
+  webpush.sendNotification(subscription, dataToSend)
+}
+
+//route to test send notification
+app.get('/send-notification', (req, res) => {
+  const subscription = dummyDb.subscription //get subscription from your databse here.
+  console.log(subscription)
+  const message = '瓜叔下午好！'
+  sendNotification(subscription, message)
+  res.json({ message: 'message sent' })
+})
+
+app.listen(port, () => console.log(`Example app listening on port ${port}!`))