mate-academy · maximtsyrulnyk · Mar 28, 2026
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/db/expense.json b/db/expense.json
@@ -1,5 +1 @@
-{
-  "date": "2024-01-25",
-  "title": "Test Expense",
-  "amount": "100"
-}
+{"date":"2024-01-25","title":"Test Expense","amount":"100"}
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": "^2.1.3",
     "axios": "^1.7.2",
     "eslint": "^8.57.0",
     "eslint-plugin-jest": "^28.6.0",

diff --git a/src/createServer.js b/src/createServer.js
@@ -1,8 +1,139 @@
 'use strict';
 
+const http = require('http');
+const fs = require('fs');
+const path = require('path');
+const querystring = require('querystring');
+
 function createServer() {
-  /* Write your code here */
-  // Return instance of http.Server class
+  return http.createServer((req, res) => {
+    if (req.method === 'GET' && req.url === '/') {
+      res.writeHead(200, {
+        'Content-Type': 'text/html',
+      });
+
+      res.end(`
+        <!doctype html>
+        <html lang="en">
+          <head>
+            <meta charset="UTF-8" />
+            <title>Add expense</title>
+          </head>
+          <body>
+            <h1>Add expense</h1>
+
+            <form method="POST" action="/add-expense">
+              <label>
+                Date
+                <input type="date" name="date" />
+              </label>
+              <br />
+              <label>
+                Title
+                <input type="text" name="title" />
+              </label>
+              <br />
+              <label>
+                Amount
+                <input type="text" name="amount" />
+              </label>
+              <br />
+              <button type="submit">Submit</button>
+            </form>
+          </body>
+        </html>
+      `);
+
+      return;
+    }
+
+    if (req.method === 'POST' && req.url === '/add-expense') {
+      let body = '';
+
+      req.on('data', (chunk) => {
+        body += chunk.toString();
+      });
+
+      req.on('end', () => {
+        const contentType = req.headers['content-type'] || '';
+        let expense = {};
+
+        try {
+          if (contentType.includes('application/json')) {
+            expense = JSON.parse(body);
+          } else {
+            expense = querystring.parse(body);
+          }
+        } catch (error) {
+          res.writeHead(400, {
+            'Content-Type': 'text/plain',
+          });
+          res.end('Invalid request body');
+
+          return;
+        }
+
+        const { date, title, amount } = expense;
+
+        if (!date || !title || !amount) {
+          res.writeHead(400, {
+            'Content-Type': 'text/plain',
+          });
+          res.end('Missing required fields');
+
+          return;
+        }
+
+        const dataPath = path.resolve(__dirname, '../db/expense.json');
+
+        fs.writeFileSync(dataPath, JSON.stringify({ date, title, amount }));
+
+        if (contentType.includes('application/json')) {
+          res.writeHead(200, {
+            'Content-Type': 'application/json',
+          });
+          res.end(JSON.stringify({ date, title, amount }));
+
+          return;
+        }
+
+        res.writeHead(200, {
+          'Content-Type': 'text/html',
+        });
+
+        res.end(`
+          <!doctype html>
+          <html lang="en">
+            <head>
+              <meta charset="UTF-8" />
+              <title>Expense saved</title>
+            </head>
+            <body>
+              <h1>Expense saved</h1>
+              <pre>${escapeHtml(JSON.stringify({ date, title, amount }, null, 2))}</pre>
+              <a href="/">Back</a>
+            </body>
+          </html>
+        `);
+      });
+
+      return;
+    }
+
+    res.writeHead(404, {
+      'Content-Type': 'text/plain',
+    });
+    res.end('Page not found');
+  });
+}
+
+function escapeHtml(text) {
+  return text
+    .replaceAll('&', '&amp;')
+    .replaceAll('<', '&lt;')
+    .replaceAll('>', '&gt;')
+    .replaceAll('"', '&quot;')
+    .replaceAll("'", '&#39;');
 }
 
 module.exports = {