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| 1 | <?php |
| 2 | declare(strict_types=1); |
| 3 | |
| 4 | namespace App\View\Helper; |
| 5 | |
| 6 | use Cake\View\Helper; |
| 7 | use Exception; |
| 8 | |
| 9 | /** |
| 10 | * Gallery Helper |
| 11 | * |
| 12 | * Handles processing of gallery placeholders in article content using the Cell pattern. |
| 13 | * This helper follows CakePHP best practices by delegating data fetching to a Cell |
| 14 | * and focusing purely on placeholder processing. |
| 15 | */ |
| 16 | class GalleryHelper extends Helper |
| 17 | { |
| 18 | /** |
| 19 | * Process gallery placeholders in content |
| 20 | * |
| 21 | * Replaces [gallery:id:theme:title] placeholders with rendered gallery cells. |
| 22 | * This method follows CakePHP conventions by delegating rendering to a Cell |
| 23 | * instead of fetching data directly in the view layer. |
| 24 | * |
| 25 | * @param string $content The content containing gallery placeholders |
| 26 | * @return string The processed content with rendered galleries |
| 27 | */ |
| 28 | public function processGalleryPlaceholders(string $content): string |
| 29 | { |
| 30 | return preg_replace_callback( |
| 31 | '/\[gallery:([a-f0-9-]+):([^:]*):([^\]]*)\]/', |
| 32 | [$this, 'renderGalleryPlaceholder'], |
| 33 | $content, |
| 34 | ); |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * Render a single gallery placeholder using Cell pattern |
| 39 | * |
| 40 | * @param array $matches Regex matches [full_match, gallery_id, theme, title] |
| 41 | * @return string HTML for the gallery or empty string if error |
| 42 | */ |
| 43 | private function renderGalleryPlaceholder(array $matches): string |
| 44 | { |
| 45 | $galleryId = $matches[1]; |
| 46 | $theme = $matches[2] ?: 'default'; |
| 47 | $title = $matches[3] ?: ''; |
| 48 | |
| 49 | try { |
| 50 | // Use Cell pattern for proper MVC separation |
| 51 | // Cell handles data fetching, caching, and error handling |
| 52 | return (string)$this->getView()->cell('Gallery::display', [$galleryId, $theme, $title]); |
| 53 | } catch (Exception $e) { |
| 54 | // Log error and return empty string for graceful degradation |
| 55 | error_log("GalleryHelper: Error rendering gallery cell {$galleryId}: " . $e->getMessage()); |
| 56 | |
| 57 | return ''; |
| 58 | } |
| 59 | } |
| 60 | } |