getQuery(true) ->select('*') ->from($db->quoteName('#__eis_documents')) ->order($db->quoteName('ordering') . ' ASC'); $rows = $db->setQuery($query)->loadAssocList(); // Nach parent_id gruppieren $grouped = []; foreach ($rows as $row) { $pid = $row['parent_id'] === null ? null : (int) $row['parent_id']; $grouped[$pid][] = $row; } return $grouped; } /** * Hauptfunktion zum Rendern des Baums */ public static function renderTree(array $items, int $parentId = null): string { if (!isset($items[$parentId])) { return ''; } $html = '

'; foreach ($items[$parentId] as $item) { $isFolder = (bool) $item['is_folder']; $title = htmlspecialchars($item['title'] ?: $item['name']); $path = self::convertToRelativeUrl($item['path'] ?? ''); // Erweiterung .pdf im Titel entfernen (nur Anzeige, nicht Link) $displayTitle = preg_replace('/\.pdf$/i', '', $title); if ($isFolder) { $fileCount = self::countFilesRecursive($items, $item['id']); $html .= '
• '; $html .= '▶'; $html .= '📁 ' . $displayTitle . ' (' . $fileCount . ')'; $html .= self::renderTree($items, $item['id']); $html .= '
'; } else { $html .= '
• '; $html .= '📄' . $displayTitle . ''; $html .= '
'; } } $html .= '

'; return $html; } /** * Konvertiert absoluten Serverpfad in URL */ private static function convertToRelativeUrl(string $fullPath): string { // Absoluter Serverpfad zum Joomla-Root $webRoot = '/var/www/joomla'; $webBase = ''; // ggf. '/unterordner', wenn Joomla in Subdir if (str_starts_with($fullPath, $webRoot)) { $relativePath = str_replace($webRoot, '', $fullPath); // Leerzeichen und Sonderzeichen escapen $relativePath = implode('/', array_map('rawurlencode', explode('/', $relativePath))); return rtrim(\JUri::root(), '/') . $webBase . $relativePath; } return $fullPath; // Fallback } /** * Zählt alle PDF-Dateien unterhalb eines Ordners rekursiv */ private static function countFilesRecursive(array $items, int $parentId): int { $count = 0; if (!isset($items[$parentId])) { return 0; } foreach ($items[$parentId] as $item) { if ((bool) $item['is_folder']) { $count += self::countFilesRecursive($items, $item['id']); } else { $count++; } } return $count; } }