Develop

.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

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": "^1.9.12",
     "axios": "^1.7.2",
     "eslint": "^8.57.0",
     "eslint-plugin-jest": "^28.6.0",

src/createServer.js

@@ -1,8 +1,142 @@
 'use strict';
 
+const http = require('node:http');
+const fs = require('node:fs');
+const path = require('node:path');
+const zlib = require('node:zlib');
+const formidable = require('formidable');
+
 function createServer() {
-  /* Write your code here */
-  // Return instance of http.Server class
+  const compressionTypes = {
+    gzip: 'gzip',
+    deflate: 'deflate',
+    br: 'br',
+  };
+
+  const server = new http.Server();
+
+  server.on('request', async (req, res) => {
+    const url = new URL(req.url, `http://${req.headers.host}`);
+
+    if (url.pathname === '/' && req.method === 'GET') {
+      res.statusCode = 200;
+      res.setHeader('Content-Type', 'text/html');
+
+      const htmlPage = fs.createReadStream(
+        path.resolve('src/public/', 'index.html'),
+      );
+
+      htmlPage.pipe(res);
+
+      return;
+    }
+
+    if (url.pathname === '/compress' && req.method === 'GET') {
+      res.statusCode = 400;
+      res.end('Invalid method.');
+
+      return;
+    }
+
+    if (url.pathname === '/compress' && req.method === 'POST') {
+      const form = new formidable.IncomingForm();
+
+      form.parse(req, (err, fields, files) => {
+        if (err) {
+          res.statusCode = 400;
+          res.end('Invalid form data');
+
+          return;
+        }
+
+        const compressionType = fields.compressionType;
+
+        if (
+          !compressionType ||
+          !Object.keys(compressionTypes).includes(compressionType[0])
+        ) {
+          res.statusCode = 400;
+          res.end('Invalid compression type');
+
+          return;
+        }
+
+        let uploadedFile = files.file;
+
+        if (!uploadedFile) {
+          res.statusCode = 400;
+          res.end('No file provided');
+
+          return;
+        }
+
+        if (Array.isArray(uploadedFile)) {
+          uploadedFile = uploadedFile[0];
+        }
+
+        const filePath = uploadedFile.filepath;
+        const originalFileName = uploadedFile.originalFilename;
+
+        if (!filePath || !fs.existsSync(filePath)) {
+          res.statusCode = 400;
+          res.end('Compression file not provided');
+
+          return;
+        }
+
+        let compressionStream;
+        let compressedExtension;
+
+        switch (compressionType[0]) {
+          case compressionTypes.gzip:
+            compressionStream = zlib.createGzip();
+            compressedExtension = '.gzip';
+            break;
+          case compressionTypes.deflate:
+            compressionStream = zlib.createDeflate();
+            compressedExtension = '.deflate';
+            break;
+          case compressionTypes.br:
+            compressionStream = zlib.createBrotliCompress();
+            compressedExtension = '.br';
+            break;
+          default:
+            res.statusCode = 400;
+            res.end('Invalid compression type');
+
+            return;
+        }
+
+        res.statusCode = 200;
+
+        res.setHeader(
+          'Content-Disposition',
+          `attachment; filename=${originalFileName}${compressedExtension}`,
+        );
+
+        const fileStream = fs.createReadStream(filePath);
+
+        fileStream.pipe(compressionStream).pipe(res);
+
+        compressionStream.pipe(
+          fs.createWriteStream(filePath + compressedExtension),
+        );
+
+        res.statusCode = 200;
+
+        res.on('close', () => {
+          fileStream.destroy();
+        });
+      });
+
+      return;
+    }
+
+    res.statusCode = 404;
+    res.end('non-existing endpoint');
+  });
+
+  return server;
 }
 
 module.exports = {

src/public/index.html

@@ -0,0 +1,28 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Document</title>
+  </head>
+  <body>
+    <h1>Compression App</h1>
+    <br/>
+    <form action="http://localhost:5700/compress">
+      <input type="file" />
+      <br>
+      <label for="#compressionType">Select compression type</label>
+      <br>
+      <select name="compressionType" id="compressionType">
+        <option value="selectCompressionType" disabled selected>
+          Select compression type
+        </option>
+        <option value="gzip">gzip</option>
+        <option value="deflate">deflate</option>
+        <option value="br">br</option>
+      </select>
+        <br>
+      <button type="submit">compress</button>
+    </form>
+  </body>
+</html>