feat: rendering articles, added seeder

handlers.js

@@ -10,21 +10,19 @@ import db from './db.js';
  * @param {Response} res
  */
 export const indexPageHandler = async (req, res) => {
+  try {
     const info = fs.readFileSync('./package.json', 'utf8');
-  const data = JSON.parse(info.toString());
+    const appInfo = JSON.parse(info.toString());
-
-  res.render('./views/index.hbs', { app: { name: data.name } });
-};
-
-/**
- * GET - Get list of all artcles from database
- *
- * @param {http.ClientRequest} req
- * @param {Response} res
- */
-export const getArticlesHandler = async (req, res) => {
     const data = await db.client.query('SELECT * FROM "articles"');
-  res.json({ data: data.rows });
+
+    res.render('./views/index.hbs', {
+      title: appInfo.name,
+      articles: data.rows,
+    });
+  } catch (error) {
+    console.error(error);
+    res.render('./views/500.hbs', { title: '500 | Internal server error ' });
+  }
 };
 
 /**
@@ -34,11 +32,12 @@ export const getArticlesHandler = async (req, res) => {
  * @param {Response} res
  */
 export const getArticleHandler = async (req, res) => {
+  try {
     /**
      * Validate url `id` param
      */
     if (!/^\d+$/.test(req.params.id)) {
-    res.json({ data: {}, error: 'Parameters is not valid!' }, 422);
+      res.render('./views/404.hbs', { title: '404 | Article not found.' }, 404);
       return;
     }
 
@@ -48,11 +47,15 @@ export const getArticleHandler = async (req, res) => {
     );
 
     if (data.rows.length === 0) {
-    res.json({ data: {}, error: 'Article not found.' }, 404);
+      res.render('./views/404.hbs', { title: '404 | Article not found.' }, 404);
       return;
     }
 
     res.json({ data: data.rows });
+  } catch (error) {
+    console.error(error);
+    res.render('./views/500.hbs', { title: '500 | Internal server error ' });
+  }
 };
 
 /**

helpers/db.js

@@ -0,0 +1,26 @@
+import fs from 'node:fs';
+import db from '../db.js';
+
+class DbHelper {
+  /**
+   * Run query from `sql` file and close connection
+   *
+   * @param {string} path Path to `.sql` file
+   */
+  static async runQueryFromFile(path) {
+    try {
+      const { client } = db;
+      client.connect();
+
+      const query = fs.readFileSync(path).toString();
+
+      await client.query(query);
+      console.log(`[LOG]: SQL: ${query}`);
+      await client.end();
+    } catch (error) {
+      console.error(error);
+    }
+  }
+}
+
+export default DbHelper;

helpers/file.js

@@ -1,6 +1,13 @@
 import fs from 'node:fs';
 
 class FileHelper {
+  /**
+   * Get a list of paths of files
+   *
+   * @param {string} dir Path to folder
+   * @param {[string]} files List of paths of files
+   * @returns
+   */
   static readDirRecursive(dir, files = []) {
     const entries = fs.readdirSync(dir);
     const result = files;

index.js

@@ -0,0 +1,35 @@
+import fs from 'node:fs';
+import path from 'node:path';
+import Application from './server.js';
+import FileHelper from './helpers/file.js';
+
+const app = new Application();
+
+app.serve('public');
+
+{
+  const partials = FileHelper.readDirRecursive(
+    process.cwd() + '/views/partials'
+  );
+
+  /**
+   * Register partials from files
+   */
+  for (const partial of partials) {
+    const fileName = path.basename(partial);
+    app.hbs.registerPartial(
+      path.parse(fileName).name,
+      fs.readFileSync(partial, 'utf8').toString()
+    );
+  }
+}
+
+app.run().catch((error) => {
+  console.error('[ERR]: Error on startup the application.', error);
+});
+
+process.on('SIGINT', () => {
+  console.log(`[LOG]: Graceefully stopping the server...`);
+  app.server.close();
+  process.exit();
+});

initSchema.js

@@ -1,15 +1,3 @@
-import fs from 'node:fs';
+import DbHelper from './helpers/db.js';
-import db from './db.js';
 
-async function run() {
+DbHelper.runQueryFromFile('sql/schema_init.sql');
-  const { client } = db;
-  client.connect();
-
-  const query = fs.readFileSync('sql/schema_init.sql').toString();
-
-  await client.query(query);
-  console.log(`SQL: ${query}`);
-  await client.end();
-}
-
-await run();

package.json

@@ -2,12 +2,13 @@
   "name": "node-docker-example",
   "version": "1.0.0",
   "description": "",
-  "main": "server.js",
+  "main": "index.js",
   "type": "module",
   "scripts": {
-    "start": "node server.js",
+    "start": "node index.js",
+    "dev": "nodemon index.js -e",
     "db:init": "node initSchema.js",
-    "dev": "nodemon server.js"
+    "db:seed": "node seed.js"
   },
   "keywords": [
     "nodejs",

preloads/routes.js

@@ -6,7 +6,6 @@ import router from '../router.js';
 import {
   createArticleHandler,
   getArticleHandler,
-  getArticlesHandler,
   indexPageHandler,
 } from '../handlers.js';
 
@@ -16,6 +15,5 @@ import {
 import { waitMiddleware } from '../middlewares.js';
 
 router.get('/', indexPageHandler);
-router.get('/articles', getArticlesHandler).middleware([waitMiddleware]);
 router.get('/articles/:id', getArticleHandler).middleware([waitMiddleware]);
 router.post('/articles', createArticleHandler);

public/css/style.css

@@ -1,3 +1,47 @@
 body {
   font-family: monospace;
+  text-align: justify;
+  margin: 75px;
+  max-width: 600px;
+}
+
+.app .app-heading {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.app .app-body article {
+  margin-top: 2rem;
+}
+
+.app .app-footer {
+  text-align: center;
+}
+
+.app .app-footer .app-footer__images {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  flex-wrap: wrap;
+}
+
+.app .app-footer {
+  margin-top: 2rem;
+  text-align: left;
+}
+
+.app .app-footer img {
+  width: 11rem;
+  margin: 0 30px;
+}
+
+.app .app-footer .nodejs-logo,
+.app .app-footer .nginx-logo {
+  width: 7rem;
+}
+
+.app .app-footer__description {
+  margin-top: 1rem;
+  text-align: center;
 }

response.js

@@ -47,24 +47,6 @@ class Response {
       throw error;
     }
   }
-
-  /**
-   * Response with static files
-   *
-   * @param {string} path Path to static files
-   */
-  serve(path) {
-    const files = FileHelper.readDirRecursive(path);
-    for (const file of files) {
-      router.define('GET', `/${file}`, (req, { res }) => {
-        const data = fs.readFileSync(file);
-        const contentType = mime.lookup(file);
-
-        res.writeHead(200, { 'Content-Type': contentType });
-        res.end(data);
-      });
-    }
-  }
 }
 
 export default Response;

router.js

@@ -68,7 +68,7 @@ class Router {
       }
     }
 
-    res.notFound('Page not found.');
+    res.render('./views/404.hbs', { title: '404 | Page not found' }, 404);
   }
 
   /**

seed.js

@@ -0,0 +1,3 @@
+import DbHelper from './helpers/db.js';
+
+DbHelper.runQueryFromFile('sql/seed.sql');

server.js

@@ -1,8 +1,12 @@
 import http from 'node:http';
+import fs from 'node:fs';
+import mime from 'mime-types';
+import hbs from 'handlebars';
 import env from './env.js';
 import db from './db.js';
 import router from './router.js';
 import Response from './response.js';
+import FileHelper from './helpers/file.js';
 import './preloads/index.js';
 
 class Application {
@@ -11,6 +15,7 @@ class Application {
     this.server = http.createServer();
     this.router = router;
     this.db = db;
+    this.hbs = hbs;
   }
 
   async run() {
@@ -37,24 +42,34 @@ class Application {
   #handle() {
     this.server.on('request', (req, res) => {
       const response = new Response(req, res);
-
-      response.serve('public');
       this.router.call(req, response);
     });
     this.server.listen(env.app.port, () =>
       console.log(`[LOG]: Server is running on port "${env.app.port}"`)
     );
   }
+
+  /**
+   * Serve folder with static files
+   *
+   * @param {string} path Path to static files
+   */
+  serve(path) {
+    const files = FileHelper.readDirRecursive(path);
+    /**
+     * At the moment, this process is called only once.
+     * It would be nice to watch for directory changes and declare new routes again
+     */
+    for (const file of files) {
+      router.define('GET', `/${file}`, (req, { res }) => {
+        const data = fs.readFileSync(file);
+        const contentType = mime.lookup(file);
+
+        res.writeHead(200, { 'Content-Type': contentType });
+        res.end(data);
+      });
+    }
+  }
 }
 
-const app = new Application();
+export default Application;
-
-app.run().catch((error) => {
-  console.error('[ERR]: Error on startup the application.', error);
-});
-
-process.on('SIGINT', () => {
-  console.log(`[LOG]: Graceefully stopping the server...`);
-  app.server.close();
-  process.exit();
-});

sql/schema_init.sql

@@ -1,7 +1,7 @@
 CREATE TABLE IF NOT EXISTS "articles"(
     "id" INTEGER PRIMARY KEY NOT NULL,
     "title" VARCHAR(255) NOT NULL,
-    "description" VARCHAR(255) NOT NULL,
+    "description" VARCHAR(1000),
     "body" TEXT NOT NULL,
     "created_at" TIMESTAMP(0) WITH TIME zone NOT NULL,
     "updated_at" TIMESTAMP(0) WITH TIME zone NOT NULL

sql/seed.sql

@@ -0,0 +1,32 @@
+INSERT INTO "articles" (
+  "id", 
+  "title", 
+  "description", 
+  "body", 
+  "created_at", 
+  "updated_at"
+) VALUES 
+  (
+    '1',
+    'First article',
+    'Lorem ipsum dolor, sit amet consectetur adipisicing elit. Officia dolorum quae voluptas odio quisquam nihil tempora quis accusamus reprehenderit qui.',
+    'Lorem ipsum dolor sit amet consectetur adipisicing elit. Laboriosam, cupiditate consequatur odit est voluptas praesentium minima? Obcaecati itaque exercitationem magnam maiores dolores, quae voluptate facere repellendus minus quas rem corporis. Cumque quidem repellendus voluptatem nostrum laudantium voluptates accusamus error exercitationem dolorem id tempora suscipit reiciendis, odit aliquid libero possimus sit similique quaerat unde. Ullam, iusto dicta magni dolore minima molestias, repellendus mollitia reiciendis praesentium illo corporis ipsam provident aut, corrupti pariatur nulla. Iste debitis perspiciatis itaque! Sed at ab dolores? Dolorum voluptate possimus deserunt sit libero similique doloremque? Mollitia esse nam obcaecati repellendus quaerat iure tempore fugiat. Id, eligendi dolorem!',
+    '2022-03-17',
+    '2022-03-17'
+  ),
+  (
+    '2',
+    'Second article',
+    'Lorem ipsum dolor, sit amet consectetur adipisicing elit. Officia dolorum quae voluptas odio quisquam nihil tempora quis accusamus reprehenderit qui.',
+    'Lorem ipsum dolor sit amet consectetur adipisicing elit. Laboriosam, cupiditate consequatur odit est voluptas praesentium minima? Obcaecati itaque exercitationem magnam maiores dolores, quae voluptate facere repellendus minus quas rem corporis. Cumque quidem repellendus voluptatem nostrum laudantium voluptates accusamus error exercitationem dolorem id tempora suscipit reiciendis, odit aliquid libero possimus sit similique quaerat unde. Ullam, iusto dicta magni dolore minima molestias, repellendus mollitia reiciendis praesentium illo corporis ipsam provident aut, corrupti pariatur nulla. Iste debitis perspiciatis itaque! Sed at ab dolores? Dolorum voluptate possimus deserunt sit libero similique doloremque? Mollitia esse nam obcaecati repellendus quaerat iure tempore fugiat. Id, eligendi dolorem!',
+    '2022-03-17',
+    '2022-03-17'
+  ),
+  (
+    '3',
+    'Third article',
+    'Lorem ipsum dolor, sit amet consectetur adipisicing elit. Officia dolorum quae voluptas odio quisquam nihil tempora quis accusamus reprehenderit qui.',
+    'Lorem ipsum dolor sit amet consectetur adipisicing elit. Laboriosam, cupiditate consequatur odit est voluptas praesentium minima? Obcaecati itaque exercitationem magnam maiores dolores, quae voluptate facere repellendus minus quas rem corporis. Cumque quidem repellendus voluptatem nostrum laudantium voluptates accusamus error exercitationem dolorem id tempora suscipit reiciendis, odit aliquid libero possimus sit similique quaerat unde. Ullam, iusto dicta magni dolore minima molestias, repellendus mollitia reiciendis praesentium illo corporis ipsam provident aut, corrupti pariatur nulla. Iste debitis perspiciatis itaque! Sed at ab dolores? Dolorum voluptate possimus deserunt sit libero similique doloremque? Mollitia esse nam obcaecati repellendus quaerat iure tempore fugiat. Id, eligendi dolorem!',
+    '2022-03-17',
+    '2022-03-17'
+  )

views/404.hbs

@@ -1,11 +1,7 @@
 <html lang='en'>
-  <head>
+  {{> head }}
-    <meta charset='UTF-8' />
-    <meta http-equiv='X-UA-Compatible' content='IE=edge' />
-    <meta name='viewport' content='width=device-width, initial-scale=1.0' />
-    <title>404 | Not found</title>
-  </head>
   <body>
-    Page not found.
+    <h1>{{ title }}</h1>
+    <a href="/">return to home</a>
   </body>
 </html>

views/500.hbs

@@ -0,0 +1,7 @@
+<html lang='en'>
+  {{> head }}
+  <body>
+    <h1>{{ title }}</h1>
+    <a href="/">return to home</a>
+  </body>
+</html>

views/index.hbs

@@ -1,12 +1,39 @@
 <html lang='en'>
-  <head>
+  {{> head }}
-    <meta charset='UTF-8' />
-    <meta http-equiv='X-UA-Compatible' content='IE=edge' />
-    <meta name='viewport' content='width=device-width, initial-scale=1.0' />
-    <title>{{app.name}}</title>
-    <link rel='stylesheet' href='public/css/style.css' />
-  </head>
   <body>
-    Index Page.
+    <main class='app'>
+      <div class='app-heading'>
+        <h1>Articles (5)</h1>
+        <small>{{title}}</small>
+      </div>
+      <div class='app-description'>
+        <p>This app showcases a website built with NodeJS. The site has a set of
+          articles, each article has a separate page, all data about the article
+          is stored in the PostgreSQL database. Docker is used to deploy the
+          application.</p>
+      </div>
+      
+      <hr />
+      <div class="app-body">
+        {{#unless articles.length }}
+          <p style="text-align: center;margin: 30px 0;">
+            No articles found.
+          </p>
+        {{/unless}}
+        {{#each articles}}
+          <article>
+            <h2>
+              <a href='articles/{{this.id}}'>
+                {{ this.title }}
+              </a>
+            </h2>
+            <p>{{ this.description }}</p>
+            <time>{{ this.created_at }}</time>
+          </article>
+          <hr />
+        {{/each}}
+      </div>
+      {{> footer }}
+    </main>
   </body>
 </html>

views/partials/footer.hbs

@@ -0,0 +1,33 @@
+<div class='app-footer'>
+  <span>Used technologies:</span>
+  <div class='app-footer__images'>
+    <a href='https://www.docker.com' target='_blank'>
+      <img
+        class='docker-logo'
+        src='/public/images/docker-logo.png'
+        alt='Docker Logo'
+      />
+    </a>
+    <a href='https://nodejs.org' target='_blank'>
+      <img
+        class='nodejs-logo'
+        src='/public/images/nodejs-logo.png'
+        alt='NodeJS Logo'
+      />
+    </a>
+    <a href='https://nginx.org' target='_blank'>
+
+      <img
+        class='nginx-logo'
+        src='/public/images/nginx-logo.png'
+        alt='NodeJS Logo'
+      />
+    </a>
+  </div>
+  <div class='app-footer__description'>
+    <a
+      href='https://github.com/sergeyyarkov/node-docker-example'
+      target='_blank'
+    >GitHub</a>
+  </div>
+</div>

views/partials/head.hbs

@@ -0,0 +1,8 @@
+<head>
+  <meta charset='UTF-8' />
+  <meta http-equiv='X-UA-Compatible' content='IE=edge' />
+  <meta name='viewport' content='width=device-width, initial-scale=1.0' />
+  <title>{{title}}</title>
+  <link rel='stylesheet' href='/public/css/style.css' />
+  <link rel='icon' type='image/x-icon' href='/public/favicon.ico' />
+</head>