Basic functionality now works

.gitignore

@@ -0,0 +1,2 @@
+node_modules
+package-lock.json

index.js

@@ -1,6 +1,44 @@
-var http = require('http')
+var bodyParser = require('body-parser')
+var express = require('express')
 
-http.createServer(function (request, response) {
-  response.writeHead(200, {'Content-Type': 'text/plain'})
-  response.end('Breakup\n')
-}).listen(process.env.PORT)
+var app = express()
+var input
+
+app.use(bodyParser.json({
+  limit: '100mb',
+  type: 'application/json'
+}))
+app.get('/help', function (req, res) {
+  res.send('https://github.com/binhonglee/Breakups')
+})
+app.post('/total', function (req, res) {
+  input = req.body
+  var toReturn = { 'total': 0 }
+  toReturn.total = total(input.users)
+  res.json(toReturn)
+})
+app.post('/perPerson', function (req, res) {
+  input = req.body
+  var toReturn = { 'perPerson': 0 }
+  toReturn.perPerson = (total(input.users)) / input.users.length
+  res.json(toReturn)
+})
+app.post('/oweChart', function (req, res) {
+  input = req.body
+  var perPerson = total(input.users) / input.users.length
+  for (var i = 0; i < input.users.length; i++) {
+    input.users[i].amount -= perPerson
+  }
+  res.json(input)
+})
+// app.listen(3000)
+app.listen(process.env.PORT)
+
+function total (input) {
+  var total = 0
+  for (var i = 0; i < input.length; i++) {
+    total += input[i].amount
+  }
+
+  return total
+}

package.json

@@ -8,5 +8,9 @@
     "start": "node index.js"
   },
   "author": "",
-  "license": "MIT"
+  "license": "MIT",
+  "dependencies": {
+    "body-parser": "^1.18.2",
+    "express": "^4.16.2"
+  }
 }