Enes Node.Js Week 1 HW

week1/homework/src/server.js

@@ -1,6 +1,7 @@
 'use strict';
 
 const http = require('http');
+const urlExtension = require('./urlExtension');
 
 /* `createServer` MUST return an instance of `http.Server` otherwise the tests
  * will fail.
@@ -9,7 +10,8 @@ function createServer(port) {
   let state = 10;
 
   const server = http.createServer((request, response) => {
-    // TODO: Write your homework code here
+    state = urlExtension.myStateFunction(request, response, state);
+    response.end();
   });
 
   return server;

week1/homework/src/urlExtension.js

@@ -0,0 +1,30 @@
+/* eslint-disable */
+module.exports = {
+  myStateFunction: function(request, response, state) {
+    function writeHeadAndStringify(code, value) {
+      response.writeHead(code, { 'Content-Type': 'application/json' });
+      typeof value === 'number'
+        ? response.write(JSON.stringify({ state: value }))
+        : response.write(JSON.stringify({ error: value }));
+    }
+    switch (request.url) {
+      case '/state':
+        writeHeadAndStringify(200, state);
+        break;
+      case '/add':
+        writeHeadAndStringify(200, ++state);
+        break;
+      case '/subtract':
+        writeHeadAndStringify(200, --state);
+        break;
+      case '/reset':
+        state = 10;
+        writeHeadAndStringify(200, state);
+        break;
+      default:
+        const error = 'Not found';
+        writeHeadAndStringify(404, error);
+    }
+    return state;
+  },
+};