First Commit

2026-09-01 07:49:48 -03:00
commit 28b1044038
399 changed files with 41659 additions and 0 deletions
@@ -0,0 +1,113 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Services;
+
+/**
+ * Simple Markdown parser service for rendering AI-generated insights.
+ * Converts basic Markdown syntax to HTML without external dependencies.
+ */
+class MarkdownService
+{
+    /**
+     * Convert Markdown text to HTML.
+     *
+     * @param string|null $text The markdown text to convert.
+     * @return string The converted HTML.
+     */
+    public static function parse(?string $text): string
+    {
+        if (empty($text)) {
+            return '';
+        }
+
+        $html = $text;
+
+        // Preserve safe HTML tags before escaping (e.g., <span class="tts" data-text="...">)
+        $placeholders = [];
+        $html = preg_replace_callback(
+            '/<span\s+class="tts"\s+data-text="([^"]+)"\s*>(.*?)<\/span>/',
+            function ($matches) use (&$placeholders) {
+                $key = '___TTS_' . count($placeholders) . '___';
+                $placeholders[$key] = $matches[0];
+                return $key;
+            },
+            $html
+        );
+
+        $html = htmlspecialchars($html, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');
+
+        // Restore preserved tags
+        foreach ($placeholders as $key => $original) {
+            $html = str_replace($key, $original, $html);
+        }
+
+        // Headers (h1-h4)
+        $html = preg_replace('/^### (.+)$/m', '<h4>$1</h4>', $html);
+        $html = preg_replace('/^## (.+)$/m', '<h3>$1</h3>', $html);
+        $html = preg_replace('/^# (.+)$/m', '<h2>$1</h2>', $html);
+
+        // Bold and italic
+        $html = preg_replace('/\*\*\*(.+?)\*\*\*/', '<strong><em>$1</em></strong>', $html);
+        $html = preg_replace('/\*\*(.+?)\*\*/', '<strong>$1</strong>', $html);
+        $html = preg_replace('/\*(.+?)\*/', '<em>$1</em>', $html);
+
+        // Inline code
+        $html = preg_replace('/`(.+?)`/', '<code>$1</code>', $html);
+
+        // Lines starting with dashes or asterisks (unordered list)
+        $html = preg_replace('/^[-*] (.+)$/m', '<li>$1</li>', $html);
+
+        // Wrap consecutive <li> in <ul>
+        $html = preg_replace('/((?:<li>.*?<\/li>\n?)+)/', '<ul>$1</ul>', $html);
+
+        // Lines starting with numbers (ordered list)
+        $html = preg_replace('/^\d+\.\s(.+)$/m', '<li>$1</li>', $html);
+
+        // Horizontal rules
+        $html = preg_replace('/^---$/m', '<hr>', $html);
+
+        // Blockquotes
+        $html = preg_replace('/^> (.+)$/m', '<blockquote>$1</blockquote>', $html);
+
+        // Line breaks (double newline = paragraph)
+        $paragraphs = preg_split('/\n\n+/', $html);
+        $result = [];
+
+        foreach ($paragraphs as $paragraph) {
+            $paragraph = trim($paragraph);
+
+            if (empty($paragraph)) {
+                continue;
+            }
+
+            // Skip if already wrapped in block-level tags
+            if (preg_match('/^<(?:ul|ol|li|h[2-4]|hr|blockquote|div)/', $paragraph)) {
+                $result[] = $paragraph;
+            } else {
+                $result[] = '<p>' . $paragraph . '</p>';
+            }
+        }
+
+        return implode("\n", $result);
+    }
+
+    /**
+     * Strip markdown formatting, returning plain text.
+     *
+     * @param string|null $text The markdown text to strip.
+     * @return string Plain text without markdown formatting.
+     */
+    public static function strip(?string $text): string
+    {
+        if (empty($text)) {
+            return '';
+        }
+
+        $text = preg_replace('/[*_~`#>`\[\]()!-]/', '', $text);
+        $text = preg_replace('/\n{3,}/', "\n\n", $text);
+
+        return trim($text);
+    }
+}