mate-academy · valerij0412 · Jul 6, 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/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
@@ -18,7 +18,7 @@
   "devDependencies": {
     "@faker-js/faker": "^8.4.1",
     "@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
@@ -1,10 +1,156 @@
 'use strict';
 
+const http = require('http');
+const zlib = require('zlib');
+const { Readable } = require('stream'); // Додаємо модуль для створення потоку
+
+const htmlForm = `
+<!DOCTYPE html>
+<html lang="en">
+<body>
+  <form action="/compress" method="POST" enctype="multipart/form-data">
+    <input type="file" name="file" required />
+    <select name="compressionType" required>
+      <option value="gzip">gzip</option>
+      <option value="deflate">deflate</option>
+      <option value="br">br</option>
+    </select>
+    <button type="submit">Compress</button>
+  </form>
+</body>
+</html>
+`;
+
 function createServer() {
-  /* Write your code here */
-  // Return instance of http.Server class
+  return http.createServer((req, res) => {
+    const { method, url } = req;
+
+    // 1. Головна сторінка
+    if (url === '/' && method === 'GET') {
+      res.writeHead(200, { 'Content-Type': 'text/html' });
+      res.end(htmlForm);
+
+      return;
+    }
+
+    // 2. Обробка стиснення
+    if (url === '/compress') {
+      // Вимога: 400 status code for GET request to /compress
+      if (method === 'GET') {
+        res.statusCode = 400;
+        res.end('Bad Request');
+
+        return;
+      }
+
+      if (method === 'POST') {
+        const contentType = req.headers['content-type'] || '';
+
+        // Вимога: 400 status code if the form is invalid
+        if (!contentType.includes('multipart/form-data')) {
+          res.statusCode = 400;
+          res.end('Invalid form');
+
+          return;
+        }
+
+        const boundaryStr = contentType.split('boundary=')[1];
+
+        if (!boundaryStr) {
+          res.statusCode = 400;
+          res.end('Invalid form');
+
+          return;
+        }
+
+        const chunks = [];
+
+        req.on('data', (chunk) => chunks.push(chunk));
+
+        req.on('end', () => {
+          const buffer = Buffer.concat(chunks);
+
+          const bodyStr = buffer.toString('latin1');
+          const parts = bodyStr.split(boundaryStr);
+
+          let compressionType = '';
+          let fileName = '';
+          let fileContentBuffer = null;
+
+          // Розбираємо частини форми
+          for (const part of parts) {
+            if (part.includes('name="compressionType"')) {
+              const val = part.split('\r\n\r\n')[1];
+
+              if (val) {
+                compressionType = val.split('\r\n')[0].trim();
+              }
+            } else if (part.includes('name="file"')) {
+              const nameMatch = part.match(/filename="(.+?)"/);
+
+              if (nameMatch) {
+                fileName = nameMatch[1];
+              }
+
+              const headerEnd = part.indexOf('\r\n\r\n');
+
+              if (headerEnd !== -1) {
+                // Вирізаємо чистий вміст файлу
+                const contentStr = part.substring(
+                  headerEnd + 4,
+                  part.lastIndexOf('\r\n'),
+                );
+
+                fileContentBuffer = Buffer.from(contentStr, 'latin1');
+              }
+            }
+          }
+
+          if (!fileName || !fileContentBuffer || !compressionType) {
+            res.statusCode = 400;
+            res.end('Invalid form data');
+
+            return;
+          }
+
+          // Налаштування Zlib та розширень файлу
+          let transformStream;
+          let ext = '';
+
+          if (compressionType === 'gzip') {
+            transformStream = zlib.createGzip();
+            ext = '.gz';
+          } else if (compressionType === 'deflate') {
+            transformStream = zlib.createDeflate();
+            ext = '.dfl';
+          } else if (compressionType === 'br') {
+            transformStream = zlib.createBrotliCompress();
+            ext = '.br';
+          } else {
+            // Вимога: 400 status code for unsupported compression type
+            res.statusCode = 400;
+            res.end('Unsupported compression type');
+
+            return;
+          }
+
+          // Встановлюємо заголовки для завантаження файлу
+          res.writeHead(200, {
+            'Content-Disposition': `attachment; filename=${fileName}${ext}`,
+            'Content-Type': 'application/octet-stream',
+          });
+
+          Readable.from(fileContentBuffer).pipe(transformStream).pipe(res);
+        });
+
+        return;
+      }
+    }
+
+    // 3. Вимога: 404 status code for non-existent endpoint
+    res.statusCode = 404;
+    res.end('Not Found');
+  });
 }
 
-module.exports = {
-  createServer,
-};
+module.exports = { createServer };