Initial commit

convert_mysql.sh

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+#!/bin/sh
+
+sed 's/SERIAL PRIMARY KEY/INT PRIMARY KEY AUTO_INCREMENT/g' tables.sql

index.php

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+public/index.php

public/index.php

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+<?php
+
+require __DIR__ . '/../src/Silex/Config/SplClassLoader.php';
+require __DIR__ . '/../src/Silex/Config/Config.php';
+
+$loader = new SplClassLoader('Silex', __DIR__ . '/../src');
+$loader->register();
+
+// TODO router
+$controller = new \Silex\Controller\UserController();
+$controller->index(new \Silex\DI\DI())->render(__DIR__ . '/../' . VIEW_PATH);

src/Silex/Config/Config.php

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+<?php
+
+const DB_HOST = 'londres';
+const DB_DATABASE = 'dbclfreville2';
+const DB_USER = 'clfreville2';
+const DB_PASSWORD = 'achanger'; // pls don't hack me
+
+const VIEW_PATH = 'views';

src/Silex/Config/SplClassLoader.php

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+<?php
+
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+/**
+ * SplClassLoader implementation that implements the technical interoperability
+ * standards for PHP 5.3 namespaces and class names.
+ *
+ * http://groups.google.com/group/php-standards/web/psr-0-final-proposal?pli=1
+ *
+ *     // Example which loads classes for the Doctrine Common package in the
+ *     // Doctrine\Common namespace.
+ *     $classLoader = new SplClassLoader('Doctrine\Common', '/path/to/doctrine');
+ *     $classLoader->register();
+ *
+ * @license http://www.opensource.org/licenses/mit-license.html  MIT License
+ * @author Jonathan H. Wage <jonwage@gmail.com>
+ * @author Roman S. Borschel <roman@code-factory.org>
+ * @author Matthew Weier O'Phinney <matthew@zend.com>
+ * @author Kris Wallsmith <kris.wallsmith@gmail.com>
+ * @author Fabien Potencier <fabien.potencier@symfony-project.org>
+ */
+class SplClassLoader
+{
+    private $_fileExtension = '.php';
+    private $_namespace;
+    private $_includePath;
+    private $_namespaceSeparator = '\\';
+
+    /**
+     * Creates a new <tt>SplClassLoader</tt> that loads classes of the
+     * specified namespace.
+     * 
+     * @param string $ns The namespace to use.
+     */
+    public function __construct(string $ns = null, string $includePath = null)
+    {
+        $this->_namespace = $ns;
+        $this->_includePath = $includePath;
+    }
+
+    /**
+     * Sets the namespace separator used by classes in the namespace of this class loader.
+     * 
+     * @param string $sep The separator to use.
+     */
+    public function setNamespaceSeparator(string $sep)
+    {
+        $this->_namespaceSeparator = $sep;
+    }
+
+    /**
+     * Gets the namespace seperator used by classes in the namespace of this class loader.
+     *
+     * @return void
+     */
+    public function getNamespaceSeparator()
+    {
+        return $this->_namespaceSeparator;
+    }
+
+    /**
+     * Sets the base include path for all class files in the namespace of this class loader.
+     * 
+     * @param string $includePath
+     */
+    public function setIncludePath(string $includePath)
+    {
+        $this->_includePath = $includePath;
+    }
+
+    /**
+     * Gets the base include path for all class files in the namespace of this class loader.
+     *
+     * @return string $includePath
+     */
+    public function getIncludePath()
+    {
+        return $this->_includePath;
+    }
+
+    /**
+     * Sets the file extension of class files in the namespace of this class loader.
+     * 
+     * @param string $fileExtension
+     */
+    public function setFileExtension($fileExtension)
+    {
+        $this->_fileExtension = $fileExtension;
+    }
+
+    /**
+     * Gets the file extension of class files in the namespace of this class loader.
+     *
+     * @return string $fileExtension
+     */
+    public function getFileExtension()
+    {
+        return $this->_fileExtension;
+    }
+
+    /**
+     * Installs this class loader on the SPL autoload stack.
+     */
+    public function register()
+    {
+        spl_autoload_register(array($this, 'loadClass'));
+    }
+
+    /**
+     * Uninstalls this class loader from the SPL autoloader stack.
+     */
+    public function unregister()
+    {
+        spl_autoload_unregister(array($this, 'loadClass'));
+    }
+
+    /**
+     * Loads the given class or interface.
+     *
+     * @param string $className The name of the class to load.
+     * @return void
+     */
+    public function loadClass(string $className)
+    {
+        if (null === $this->_namespace || $this->_namespace . $this->_namespaceSeparator === substr($className, 0, strlen($this->_namespace . $this->_namespaceSeparator))) {
+            $fileName = '';
+            $namespace = '';
+            if (false !== ($lastNsPos = strripos($className, $this->_namespaceSeparator))) {
+                $namespace = substr($className, 0, $lastNsPos);
+                $className = substr($className, $lastNsPos + 1);
+                $fileName = str_replace($this->_namespaceSeparator, DIRECTORY_SEPARATOR, $namespace) . DIRECTORY_SEPARATOR;
+            }
+            $fileName .= str_replace('_', DIRECTORY_SEPARATOR, $className) . $this->_fileExtension;
+
+            require ($this->_includePath !== null ? $this->_includePath . DIRECTORY_SEPARATOR : '') . $fileName;
+        }
+    }
+}

src/Silex/Controller/UserController.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Silex\Controller;
+
+use Silex\DI\DI;
+use Silex\Http\HttpResponse;
+
+class UserController
+{
+    public function index(DI $di): HttpResponse
+    {
+        $news = $di->getNewsGateway()->getPaginatedRecentNews();
+        return new HttpResponse(200, 'home', ['news' => $news]);
+    }
+}

src/Silex/DI/DI.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Silex\DI;
+
+use Silex\Gateway\NewsGateway;
+use PDO;
+
+class DI
+{
+    private ?PDO $pdo = null;
+    private ?NewsGateway $newsGateway = null;
+
+    public function getNewsGateway(): NewsGateway
+    {
+        if ($this->newsGateway === null) {
+            $this->newsGateway = new NewsGateway($this->getPDO());
+        }
+        return $this->newsGateway;
+    }
+
+    private function getPDO(): PDO
+    {
+        if ($this->pdo === null) {
+            return new PDO(sprintf('mysql:host=%s;dbname=%s', DB_HOST, DB_DATABASE), DB_USER, DB_PASSWORD);
+        }
+        return $this->pdo;
+    }
+}

src/Silex/Gateway/NewsGateway.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Silex\Gateway;
+
+use DateTime;
+use PDO;
+use Silex\Model\News;
+
+class NewsGateway
+{
+    private PDO $pdo;
+
+    public function __construct(PDO $pdo)
+    {
+        $this->pdo = $pdo;
+    }
+
+    /**
+     * @return News[]
+     */
+    public function getPaginatedRecentNews(int $page = 1, int $limit = 10): array
+    {
+        $req = $this->pdo->prepare('SELECT * FROM news ORDER BY publication_date DESC LIMIT :limit OFFSET :offset;');
+        $req->bindValue('limit', $limit, PDO::PARAM_INT);
+        $req->bindValue('offset', ($page - 1) * $limit, PDO::PARAM_INT);
+        if (!$req->execute()) {
+            return [];
+        }
+        $news = [];
+        while ($data = $req->fetch()) {
+            $news[] = new News($data['title'], $data['content'], DateTime::createFromFormat('Y-m-d H:i:s', $data['publication_date']));
+        }
+        return $news;
+    }
+}

src/Silex/Http/HttpResponse.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Silex\Http;
+
+class HttpResponse
+{
+    private int $status;
+
+    private string $viewPath;
+
+    private array $viewParams;
+
+    public function __construct(int $status, string $viewPath, array $viewParams = [])
+    {
+        $this->status = $status;
+        $this->viewPath = $viewPath;
+        $this->viewParams = $viewParams;
+    }
+
+    public function render(string $viewBasePath)
+    {
+        $params = $this->viewParams;
+        ob_start();
+        require $viewBasePath . '/' . $this->viewPath . '.php';
+        $content = ob_get_clean();
+        require $viewBasePath . '/layout.php';
+    }
+}

src/Silex/Model/News.php

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+<?php
+
+declare(strict_types=1);
+
+namespace Silex\Model;
+
+use DateTime;
+
+class News
+{
+    private string $title;
+    private string $content;
+    private DateTime $publicationDate;
+
+    public function __construct(string $title, string $content, DateTime $publicationDate)
+    {
+        $this->title = $title;
+        $this->content = $content;
+        $this->publicationDate = $publicationDate;
+    }
+
+    public function getTitle(): string
+    {
+        return $this->title;
+    }
+
+    public function getContent(): string
+    {
+        return $this->content;
+    }
+
+    public function getPublicationDate(): DateTime
+    {
+        return $this->publicationDate;
+    }
+}

tables.sql

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+CREATE TABLE registered_user (
+    id_user SERIAL PRIMARY KEY,
+    login VARCHAR(32) NOT NULL,
+    password CHAR(72) NOT NULL, -- BCrypt
+    role INT NOT NULL DEFAULT 0
+);
+
+CREATE TABLE news (
+    id_news SERIAL PRIMARY KEY,
+    publication_date TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    title VARCHAR(60) NOT NULL,
+    slug VARCHAR(60) NOT NULL,
+    content TEXT NOT NULL,
+    author_id INT NOT NULL,
+    FOREIGN KEY (author_id) REFERENCES registered_user(id_user)
+        ON DELETE CASCADE
+);
+CREATE TABLE comment (
+    id_comment SERIAL PRIMARY KEY,
+    news_id INT NOT NULL,
+    publication_date TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    content TEXT NOT NULL,
+    author_id INT NOT NULL,
+    FOREIGN KEY (news_id) REFERENCES news(id_news)
+        ON DELETE CASCADE,
+    FOREIGN KEY (author_id) REFERENCES registered_user(id_user)
+        ON DELETE CASCADE
+);

views/home.php

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+<?php $params['title'] = 'Home'; ?>
+<h1>Hello world!</h1>
+<?= var_dump($params) ?>

views/layout.php

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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="utf-8">
+    <title><?= $viewsArgs['title'] ?? 'Is it a blog?' ?></title>
+</head>
+<body>
+    <?= $content ?>
+</body>
+</html>