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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\Service; |
| 8 | |
| 9 | defined('AMMONLY_APP') || exit('Direct script access is forbidden.'); |
| 10 | |
| 11 | use App\Core\Engine\Application\Transformer\UiTypeTransformerPipeline; |
| 12 | use App\Core\Engine\Domain\Model\FieldMetadata; |
| 13 | use App\Core\Engine\Domain\Repository\MetadataRepositoryInterface; |
| 14 | use App\Core\Grid\GridResult; |
| 15 | use PDO; |
| 16 | use Throwable; |
| 17 | |
| 18 | /** |
| 19 | * UniversalRecordEnricher. |
| 20 | * |
| 21 | * Enriches field metadata configurations and transforms raw database query records to display models. |
| 22 | * |
| 23 | * @package App\Core\Engine\Application\Service |
| 24 | */ |
| 25 | final class UniversalRecordEnricher |
| 26 | { |
| 27 | /** @var array<string, string> In-memory cache of resolved relation labels. */ |
| 28 | private static array $relationLabelCache = []; |
| 29 | |
| 30 | /** |
| 31 | * Clears in-memory relation label cache (primarily for tests). |
| 32 | */ |
| 33 | public static function clearRelationLabelCache(): void |
| 34 | { |
| 35 | self::$relationLabelCache = []; |
| 36 | } |
| 37 | |
| 38 | /** |
| 39 | * UniversalRecordEnricher constructor. |
| 40 | * |
| 41 | * @param MetadataRepositoryInterface $metadata Metadata repository contract. |
| 42 | * @param UiTypeTransformerPipeline $transformers Transformer pipeline. |
| 43 | */ |
| 44 | public function __construct( |
| 45 | private readonly MetadataRepositoryInterface $metadata, |
| 46 | private readonly UiTypeTransformerPipeline $transformers, |
| 47 | ) { |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * Applies read transformers to all records in a GridResult. |
| 52 | * |
| 53 | * @param GridResult $result Raw query result. |
| 54 | * @param array<int, FieldMetadata> $fields All field definitions. |
| 55 | * @return GridResult Result with all cell values display-transformed. |
| 56 | */ |
| 57 | public function transformRecords(GridResult $result, array $fields): GridResult |
| 58 | { |
| 59 | $fieldMap = []; |
| 60 | foreach ($fields as $field) { |
| 61 | $fieldMap[$field->fieldKey] = $field; |
| 62 | } |
| 63 | |
| 64 | $transformed = []; |
| 65 | foreach ($result->rows as $row) { |
| 66 | $transformed[] = $this->transformRow($row, $fieldMap); |
| 67 | } |
| 68 | |
| 69 | return new GridResult( |
| 70 | rows: $transformed, |
| 71 | totalRecords: $result->totalRecords, |
| 72 | gridRequest: $result->gridRequest, |
| 73 | columns: $result->columns, |
| 74 | statusCounts: $result->statusCounts, |
| 75 | ); |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * Transforms a single row applying field transformers and relation labels. |
| 80 | * |
| 81 | * @param array<string, mixed> $row |
| 82 | * @param array<string, FieldMetadata> $fieldMap |
| 83 | * @return array<string, mixed> |
| 84 | */ |
| 85 | private function transformRow(array $row, array $fieldMap): array |
| 86 | { |
| 87 | $newRow = []; |
| 88 | foreach ($row as $key => $value) { |
| 89 | $labelKey = $key . '_label'; |
| 90 | if (isset($fieldMap[$key])) { |
| 91 | $field = $fieldMap[$key]; |
| 92 | $displayValue = isset($row[$labelKey]) |
| 93 | ? (string) $row[$labelKey] |
| 94 | : $this->transformers->transformRead($value, $field); |
| 95 | $newRow[$key] = $displayValue; |
| 96 | if ($field->hasRelation() && !empty($field->relationModule)) { |
| 97 | $newRow[$key . '_id'] = $value; |
| 98 | $newRow[$key . '_module'] = $field->relationModule; |
| 99 | $newRow[$labelKey] = $displayValue; |
| 100 | } |
| 101 | } else { |
| 102 | $newRow[$key] = $value; |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | return $newRow; |
| 107 | } |
| 108 | |
| 109 | /** |
| 110 | * Enriches a single record snapshot with relation display labels for detail/edit views. |
| 111 | * |
| 112 | * @param array<string, mixed> $record Record raw data. |
| 113 | * @param array<int, FieldMetadata> $fields Module field metadata definitions. |
| 114 | * @param PDO|null $pdo Optional database handle for resolving relation labels. |
| 115 | * @return array<string, mixed> Enriched record with `{field_key}_label` properties. |
| 116 | */ |
| 117 | public function enrichSingleRecord(array $record, array $fields, ?PDO $pdo = null): array |
| 118 | { |
| 119 | if ($pdo === null) { |
| 120 | return $record; |
| 121 | } |
| 122 | |
| 123 | $enriched = $record; |
| 124 | foreach ($fields as $field) { |
| 125 | $key = $field->fieldKey; |
| 126 | $val = $record[$key] ?? null; |
| 127 | $labelKey = $key . '_label'; |
| 128 | |
| 129 | if (isset($enriched[$labelKey]) || $val === null || $val === '' || $val === []) { |
| 130 | continue; |
| 131 | } |
| 132 | |
| 133 | if (!$field->hasRelation() || $field->relationTable === '' || $field->relationLabel === null) { |
| 134 | continue; |
| 135 | } |
| 136 | |
| 137 | $label = $this->resolveFieldDisplayLabel($pdo, $field, $val); |
| 138 | if ($label !== null) { |
| 139 | $enriched[$labelKey] = $label; |
| 140 | } |
| 141 | } |
| 142 | |
| 143 | return $enriched; |
| 144 | } |
| 145 | |
| 146 | /** |
| 147 | * Resolves display label for either scalar or array value. |
| 148 | */ |
| 149 | private function resolveFieldDisplayLabel(PDO $pdo, FieldMetadata $field, mixed $val): ?string |
| 150 | { |
| 151 | if (is_array($val)) { |
| 152 | $labels = []; |
| 153 | foreach ($val as $itemVal) { |
| 154 | if ($itemVal !== null && $itemVal !== '') { |
| 155 | $label = $this->resolveRelationLabel($pdo, $field, (string) $itemVal); |
| 156 | if ($label !== null) { |
| 157 | $labels[] = $label; |
| 158 | } |
| 159 | } |
| 160 | } |
| 161 | return $labels !== [] ? implode(', ', $labels) : null; |
| 162 | } |
| 163 | |
| 164 | return $this->resolveRelationLabel($pdo, $field, (string) $val); |
| 165 | } |
| 166 | |
| 167 | /** |
| 168 | * Resolves and caches relation display label for a specific field and value. |
| 169 | */ |
| 170 | private function resolveRelationLabel(PDO $pdo, FieldMetadata $field, string $val): ?string |
| 171 | { |
| 172 | $relKey = $field->relationKey !== '' ? $field->relationKey : 'id'; |
| 173 | $cacheKey = sprintf('%s:%s:%s:%s', $field->relationTable, $relKey, $val, (string) $field->relationLabel); |
| 174 | |
| 175 | if (isset(self::$relationLabelCache[$cacheKey])) { |
| 176 | return self::$relationLabelCache[$cacheKey]; |
| 177 | } |
| 178 | |
| 179 | try { |
| 180 | $label = $this->fetchRelationLabelFromDb($pdo, $field, $relKey, $val); |
| 181 | if ($label !== null) { |
| 182 | self::$relationLabelCache[$cacheKey] = $label; |
| 183 | } |
| 184 | return $label; |
| 185 | } catch (Throwable) { |
| 186 | return null; |
| 187 | } |
| 188 | } |
| 189 | |
| 190 | /** |
| 191 | * Fetches relation label directly from database. |
| 192 | */ |
| 193 | private function fetchRelationLabelFromDb(PDO $pdo, FieldMetadata $field, string $relKey, string $val): ?string |
| 194 | { |
| 195 | $cols = array_values(array_filter(array_map('trim', explode(',', (string) $field->relationLabel)))); |
| 196 | if (count($cols) > 1) { |
| 197 | return $this->fetchCompositeRelationLabel($pdo, $field->relationTable, $relKey, $val, $cols); |
| 198 | } |
| 199 | |
| 200 | $sql = sprintf( |
| 201 | 'SELECT `%s` FROM `%s` WHERE `%s` = :id LIMIT 1', |
| 202 | (string) $field->relationLabel, |
| 203 | $field->relationTable, |
| 204 | $relKey |
| 205 | ); |
| 206 | $stmt = $pdo->prepare($sql); |
| 207 | $stmt->bindValue(':id', $val); |
| 208 | $stmt->execute(); |
| 209 | $labelVal = $stmt->fetchColumn(); |
| 210 | |
| 211 | return ($labelVal !== false && $labelVal !== null) ? (string) $labelVal : null; |
| 212 | } |
| 213 | |
| 214 | /** |
| 215 | * Concatenates composite relation label columns into single string. |
| 216 | * |
| 217 | * @param array<int, string> $cols |
| 218 | */ |
| 219 | private function fetchCompositeRelationLabel( |
| 220 | PDO $pdo, |
| 221 | string $table, |
| 222 | string $relKey, |
| 223 | string $val, |
| 224 | array $cols |
| 225 | ): ?string { |
| 226 | $escapedCols = implode(', ', array_map(static fn(string $c): string => sprintf('`%s`', $c), $cols)); |
| 227 | $sql = sprintf('SELECT %s FROM `%s` WHERE `%s` = :id LIMIT 1', $escapedCols, $table, $relKey); |
| 228 | $stmt = $pdo->prepare($sql); |
| 229 | $stmt->bindValue(':id', $val); |
| 230 | $stmt->execute(); |
| 231 | $row = $stmt->fetch(PDO::FETCH_ASSOC); |
| 232 | if (is_array($row)) { |
| 233 | $joined = trim(implode(' ', array_filter(array_map('strval', $row)))); |
| 234 | return $joined !== '' ? $joined : null; |
| 235 | } |
| 236 | return null; |
| 237 | } |
| 238 | |
| 239 | /** |
| 240 | * Auto-derives missing technical and relational attributes for system_fields records. |
| 241 | * |
| 242 | * @param array<string, mixed> $data Field input data modified in-place. |
| 243 | */ |
| 244 | public function enrichFieldRecordData(array &$data): void |
| 245 | { |
| 246 | $this->enrichColumnExpression($data); |
| 247 | $this->enrichRelationData($data); |
| 248 | |
| 249 | $data['is_sortable'] = $data['is_sortable'] ?? 1; |
| 250 | $data['is_filterable'] = $data['is_filterable'] ?? 1; |
| 251 | $data['is_system'] = $data['is_system'] ?? 0; |
| 252 | } |
| 253 | |
| 254 | /** |
| 255 | * Auto-derives column_expression from module alias and field key. |
| 256 | * |
| 257 | * @param array<string, mixed> $data |
| 258 | */ |
| 259 | private function enrichColumnExpression(array &$data): void |
| 260 | { |
| 261 | if (!isset($data['module_id'], $data['field_key'])) { |
| 262 | return; |
| 263 | } |
| 264 | |
| 265 | if (isset($data['column_expression']) && $data['column_expression'] !== '') { |
| 266 | return; |
| 267 | } |
| 268 | |
| 269 | try { |
| 270 | $targetModule = $this->metadata->findModuleById((int) $data['module_id']); |
| 271 | $data['column_expression'] = $targetModule->tableAlias . '.' . $data['field_key']; |
| 272 | } catch (Throwable) { |
| 273 | $data['column_expression'] = 'c.' . $data['field_key']; |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | /** |
| 278 | * Auto-derives relation_table and relation_key from relation_module. |
| 279 | * |
| 280 | * @param array<string, mixed> $data |
| 281 | */ |
| 282 | private function enrichRelationData(array &$data): void |
| 283 | { |
| 284 | if (empty($data['relation_module'])) { |
| 285 | return; |
| 286 | } |
| 287 | |
| 288 | try { |
| 289 | $relModule = $this->metadata->findModule((string) $data['relation_module']); |
| 290 | if (!isset($data['relation_table']) || $data['relation_table'] === '') { |
| 291 | $data['relation_table'] = $relModule->tableName; |
| 292 | } |
| 293 | if (!isset($data['relation_key']) || $data['relation_key'] === '') { |
| 294 | $data['relation_key'] = $relModule->primaryKey !== '' ? $relModule->primaryKey : 'id'; |
| 295 | } |
| 296 | } catch (Throwable) { |
| 297 | // Ignore if relation module cannot be resolved |
| 298 | } |
| 299 | } |
| 300 | } |