mate-academy · DmutroSheva · Jul 5, 2025 · mateacademy-ai-mentor · Jul 5, 2025
diff --git a/.github/workflows/test.yml-template b/.github/workflows/test.yml-template
@@ -0,0 +1,23 @@
+name: Test
+
+on:
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [20.x]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: npm install
+    - run: npm test
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -17,7 +17,7 @@
   "license": "GPL-3.0",
   "devDependencies": {
     "@mate-academy/eslint-config": "latest",
-    "@mate-academy/scripts": "^1.8.6",
+    "@mate-academy/scripts": "^2.1.1",
     "axios": "^1.7.2",
     "eslint": "^8.57.0",
     "eslint-plugin-jest": "^28.6.0",

diff --git a/public/index.html b/public/index.html
@@ -0,0 +1,31 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Form Data</title>
+  </head>
+
+  <body>
+    <h1>Form Data</h1>
+    <form
+      action="/add-expense"
+      method="post"
+      enctype="application/x-www-form-urlencoded"
+    >
+      <label for="date">Date:</label>
+      <input id="date" name="date" type="date" />
+      <br />
+      <br />
+      <label for="title">Title:</label>
+      <input id="title" name="title" type="text" />
+      <br />
+      <br />
+      <label for="amount">Amount:</label>
+      <input id="amount" name="amount" type="number" />
+      <br />
+      <br />
+      <button type="submit">Send</button>
+    </form>
+  </body>
+</html>
diff --git a/src/createServer.js b/src/createServer.js
@@ -1,8 +1,113 @@
 'use strict';
 
+const http = require('node:http');
+const fs = require('node:fs');
+const path = require('node:path');
+
 function createServer() {
-  /* Write your code here */
-  // Return instance of http.Server class
+  const server = http.createServer((req, res) => {
+    const reqUrl = new URL(req.url || '', `http://${req.headers.host}`);
+    const pathname = reqUrl.pathname;
+
+    if (req.method === 'GET' && pathname === '/') {
+      const indexPath = path.resolve('public', 'index.html');
+
+      res.statusCode = 200;
+      res.setHeader('Content-Type', 'text/html');
+      fs.createReadStream(indexPath).pipe(res);
+
+      return;
+    }
+
+    if (req.method === 'GET' && pathname === '/add-expense') {
+      res.statusCode = 400;
+
+      return res.end('Only POST method allowed');
+    }
+
+    if (req.method === 'POST' && pathname === '/add-expense') {
+      let body = '';
+
+      req.on('data', (chunk) => {
+        body += chunk.toString();
+      });
+
+      req.on('end', () => {
+        let dataObj;
+
+        try {
+          const contentType = req.headers['content-type'];
+
+          if (contentType.includes('application/json')) {
+            dataObj = JSON.parse(body);
+          } else if (
+            contentType.includes('application/x-www-form-urlencoded')
+          ) {
+            const parsed = new URLSearchParams(body);
+
+            dataObj = Object.fromEntries(parsed.entries());
+          } else {
+            res.writeHead(400, { 'Content-Type': 'text/plain' });
+
+            return res.end('Unsupported content type');
+          }
+
+          const { date, title, amount } = dataObj;
+
+          if (!date || !title || !amount) {
+            res.writeHead(400, { 'Content-Type': 'text/plain' });
+
+            return res.end('Invalid data format');
+          }
+
+          const filePath = path.resolve('db', 'expense.json');
+
+          fs.readFile(filePath, (err, fileData) => {
+            let parsedFileData = [];
+
+            if (err) {
+              res.writeHead(500, { 'Content-Type': 'text/plain' });
+
+              return res.end(`Server error: ${err}`);
+            } else {
+              parsedFileData = JSON.parse(fileData);
+
+              if (typeof parsedFileData === 'object') {
+                if (Object.keys(parsedFileData).length) {
+                  parsedFileData = [parsedFileData];
+                  parsedFileData.push(dataObj);
+                } else if (!Object.keys(parsedFileData).length) {
+                  parsedFileData = dataObj;
+                } else if (Array.isArray(parsedFileData)) {
+                  parsedFileData.push(dataObj);
+                }
+              }
+
+              const newData = JSON.stringify(parsedFileData, null, 2);
+
+              fs.writeFile(filePath, newData, (error) => {
+                if (error) {
+                  res.writeHead(500, { 'Content-Type': 'text/plain' });
+
+                  return res.end(`Server error: ${error}`);
+                }
+                res.writeHead(200, { 'Content-Type': 'application/json' });
+                res.end(newData);
+              });
+            }
+          });
+        } catch (e) {
+          res.writeHead(400, { 'Content-Type': 'text/plain' });
+          res.end(`Invalid request body: ${e.message}`);
+        }
+      });
+    } else {
+      res.statusCode = 404;
+      res.end('Not found');
+    }
+  });
+
+  return server;
 }
 
 module.exports = {