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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | /** @license For full copyright and license information, please see the LICENSE.md file. */ |
| 6 | |
| 7 | namespace App\Core\Engine\Application\Transformer; |
| 8 | |
| 9 | defined('AMMONLY_APP') || exit('Direct script access is forbidden.'); |
| 10 | |
| 11 | use App\Core\Engine\Domain\Model\FieldMetadata; |
| 12 | |
| 13 | /** |
| 14 | * Multi Image Gallery UiType Transformer. |
| 15 | * |
| 16 | * Handles UiType: multi_image. |
| 17 | * Normalizes, validates and serializes arrays of uploaded image metadata and thumbnails. |
| 18 | * |
| 19 | * @package App\Core\Engine\Application\Transformer |
| 20 | */ |
| 21 | final class MultiImageTransformer implements UiTypeTransformerInterface |
| 22 | { |
| 23 | /** {@inheritdoc} */ |
| 24 | public function supports(string $uitypeName): bool |
| 25 | { |
| 26 | return in_array($uitypeName, ['multi_image', 'images_gallery', 'media_gallery'], true); |
| 27 | } |
| 28 | |
| 29 | /** {@inheritdoc} */ |
| 30 | public function transformRead(mixed $rawValue, FieldMetadata $field): string |
| 31 | { |
| 32 | if ($rawValue === null || $rawValue === '') { |
| 33 | return '[]'; |
| 34 | } |
| 35 | |
| 36 | $items = $this->parseArray($rawValue); |
| 37 | if (empty($items)) { |
| 38 | return '[]'; |
| 39 | } |
| 40 | |
| 41 | $normalized = $this->filterAndNormalize($items); |
| 42 | $encoded = json_encode($normalized, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES); |
| 43 | |
| 44 | return $encoded !== false ? $encoded : '[]'; |
| 45 | } |
| 46 | |
| 47 | /** {@inheritdoc} */ |
| 48 | public function transformWrite(mixed $inputValue, FieldMetadata $field): mixed |
| 49 | { |
| 50 | if ($inputValue === null || $inputValue === '' || $inputValue === '[]') { |
| 51 | return null; |
| 52 | } |
| 53 | |
| 54 | $normalized = $this->filterAndNormalize($this->parseArray($inputValue)); |
| 55 | if (empty($normalized)) { |
| 56 | return null; |
| 57 | } |
| 58 | |
| 59 | $encoded = json_encode($normalized, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES); |
| 60 | |
| 61 | return $encoded !== false ? $encoded : null; |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * Parses input into raw array representation. |
| 66 | * |
| 67 | * @param mixed $value Input data. |
| 68 | * @return array<int, mixed> Extracted items array. |
| 69 | */ |
| 70 | private function parseArray(mixed $value): array |
| 71 | { |
| 72 | if (is_array($value)) { |
| 73 | return array_values($value); |
| 74 | } |
| 75 | |
| 76 | if (is_string($value)) { |
| 77 | return $this->parseJsonArray($value); |
| 78 | } |
| 79 | |
| 80 | return []; |
| 81 | } |
| 82 | |
| 83 | /** |
| 84 | * @return array<int, mixed> |
| 85 | */ |
| 86 | private function parseJsonArray(string $value): array |
| 87 | { |
| 88 | $trimmed = trim($value); |
| 89 | if ($trimmed === '' || $trimmed === '[]') { |
| 90 | return []; |
| 91 | } |
| 92 | |
| 93 | $decoded = json_decode($trimmed, true); |
| 94 | return is_array($decoded) ? array_values($decoded) : []; |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * Filters and sanitizes image records, ensuring required fields and safe paths. |
| 99 | * |
| 100 | * @param array<int, mixed> $items Raw list of image items. |
| 101 | * @return array<int, array{path: string, thumb: string, name: string, size: int, mime: string}> |
| 102 | */ |
| 103 | private function filterAndNormalize(array $items): array |
| 104 | { |
| 105 | $result = []; |
| 106 | |
| 107 | foreach ($items as $item) { |
| 108 | if (!is_array($item)) { |
| 109 | continue; |
| 110 | } |
| 111 | |
| 112 | $rawPath = trim((string) ($item['path'] ?? '')); |
| 113 | if ($rawPath === '' || str_contains($rawPath, '..')) { |
| 114 | continue; |
| 115 | } |
| 116 | |
| 117 | $rawThumb = trim((string) ($item['thumb'] ?? '')); |
| 118 | if ($rawThumb === '' || str_contains($rawThumb, '..')) { |
| 119 | $rawThumb = $rawPath; |
| 120 | } |
| 121 | |
| 122 | $rawName = trim((string) ($item['name'] ?? '')); |
| 123 | if ($rawName === '') { |
| 124 | $rawName = basename($rawPath); |
| 125 | } |
| 126 | $cleanName = (string) preg_replace('/[^\w\s\.\-\(\)]/u', '_', $rawName); |
| 127 | |
| 128 | $rawMime = trim((string) ($item['mime'] ?? '')); |
| 129 | if ($rawMime === '') { |
| 130 | $rawMime = 'image/jpeg'; |
| 131 | } |
| 132 | |
| 133 | $result[] = [ |
| 134 | 'path' => $rawPath, |
| 135 | 'thumb' => $rawThumb, |
| 136 | 'name' => $cleanName !== '' ? $cleanName : 'image.jpg', |
| 137 | 'size' => max(0, (int) ($item['size'] ?? 0)), |
| 138 | 'mime' => $rawMime, |
| 139 | ]; |
| 140 | } |
| 141 | |
| 142 | return $result; |
| 143 | } |
| 144 | } |