Code files

Chapter10/standardizing-service-boilerplate/micro-pattern-routing/webapp/routes/add.js

@@ -0,0 +1,38 @@
+'use strict'
+
+const { Router } = require('express')
+const restify = require('restify')
+const net = require('net')
+const nos = require('net-object-stream')
+const router = Router()
+
+const {
+  ADDERSERVICE_SERVICE_HOST,
+  ADDERSERVICE_SERVICE_PORT
+} = process.env
+
+function createClient (ns, opts) {
+  return createClient[ns] || (createClient[ns] = nos(net.connect(opts)))
+}
+
+router.get('/', function (req, res) {
+  res.render('add', { first: 0, second: 0, result: 0 })
+})
+
+router.post('/calculate', function (req, res, next) {
+  const client = createClient('calculate', {
+    host: ADDERSERVICE_SERVICE_HOST,
+    port: ADDERSERVICE_SERVICE_PORT
+  })
+
+  const role = 'adder'
+  const cmd = 'add'
+  const { first, second } = req.body
+  client.once('data', (data) => {
+    const { result } = data
+    res.render('add', { first, second, result })
+  })
+  client.write({role, cmd, first, second})
+})
+
+module.exports = router

Chapter10/standardizing-service-boilerplate/micro-pattern-routing/webapp/routes/index.js

@@ -0,0 +1,9 @@
+var express = require('express')
+var router = express.Router()
+
+/* GET home page. */
+router.get('/', function (req, res, next) {
+  res.render('index', { title: 'Express' })
+})
+
+module.exports = router

Chapter10/standardizing-service-boilerplate/micro-pattern-routing/webapp/routes/users.js

@@ -0,0 +1,9 @@
+var express = require('express')
+var router = express.Router()
+
+/* GET users listing. */
+router.get('/', function (req, res, next) {
+  res.send('respond with a resource')
+})
+
+module.exports = router