chore: complete update

src/Framework/Markdown/MarkdownConverter.php

@@ -0,0 +1,62 @@
+<?php
+declare(strict_types=1);
+
+namespace App\Framework\Markdown;
+
+final readonly class MarkdownConverter
+{
+    public function toHtml(string $markdown): string
+    {
+        // Einfacher Markdown-zu-HTML Converter
+        $html = $markdown;
+
+        // Headers
+        $html = preg_replace('/^# (.+)$/m', '<h1>$1</h1>', $html);
+        $html = preg_replace('/^## (.+)$/m', '<h2>$1</h2>', $html);
+        $html = preg_replace('/^### (.+)$/m', '<h3>$1</h3>', $html);
+
+        // Bold und Italic
+        $html = preg_replace('/\*\*(.+?)\*\*/', '<strong>$1</strong>', $html);
+        $html = preg_replace('/\*(.+?)\*/', '<em>$1</em>', $html);
+
+        // Code Blöcke
+        $html = preg_replace('/```(\w+)?\n(.*?)\n```/s', '<pre><code class="language-$1">$2</code></pre>', $html);
+        $html = preg_replace('/`(.+?)`/', '<code>$1</code>', $html);
+
+        // Links
+        $html = preg_replace('/\[(.+?)\]\((.+?)\)/', '<a href="$2">$1</a>', $html);
+
+        // Listen
+        $html = preg_replace('/^- (.+)$/m', '<li>$1</li>', $html);
+        $html = preg_replace('/(<li>.*<\/li>)/s', '<ul>$1</ul>', $html);
+
+        // Blockquotes
+        $html = preg_replace('/^> (.+)$/m', '<blockquote>$1</blockquote>', $html);
+
+        // Paragraphen
+        $html = preg_replace('/\n\n/', '</p><p>', $html);
+        $html = '<p>' . $html . '</p>';
+
+        // Zeilenumbrüche
+        $html = preg_replace('/\n/', '<br>', $html);
+
+        return $html;
+    }
+
+    public function stripMarkdown(string $markdown): string
+    {
+        $text = $markdown;
+
+        // Entferne Markdown-Syntax
+        $text = preg_replace('/^#+\s/', '', $text); // Headers
+        $text = preg_replace('/\*\*(.+?)\*\*/', '$1', $text); // Bold
+        $text = preg_replace('/\*(.+?)\*/', '$1', $text); // Italic
+        $text = preg_replace('/```.*?\n(.*?)\n```/s', '$1', $text); // Code Blöcke
+        $text = preg_replace('/`(.+?)`/', '$1', $text); // Inline Code
+        $text = preg_replace('/\[(.+?)\]\((.+?)\)/', '$1 ($2)', $text); // Links
+        $text = preg_replace('/^[\-\*] /', '', $text); // Listen
+        $text = preg_replace('/^> /', '', $text); // Blockquotes
+
+        return trim($text);
+    }
+}