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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\Relation; |
| 8 | |
| 9 | defined('AMMONLY_APP') || exit('Direct script access is forbidden.'); |
| 10 | |
| 11 | use App\Core\Engine\Domain\Model\ModuleMetadata; |
| 12 | use App\Core\Engine\Domain\Model\RelationMmMetadata; |
| 13 | |
| 14 | /** |
| 15 | * Relation M:M Query Resolver. |
| 16 | * |
| 17 | * Constructs SQL WHERE clauses and query payloads for M:M relation searches and linkable record queries. |
| 18 | * |
| 19 | * @package App\Core\Engine\Application\Service\Relation |
| 20 | */ |
| 21 | final readonly class RelationMmQueryResolver |
| 22 | { |
| 23 | private const string FMT_TARGET_COL = 't.`%s`'; |
| 24 | |
| 25 | /** |
| 26 | * Builds WHERE clause and bound parameters for available records query. |
| 27 | * |
| 28 | * @param array{table: string, source_col: string, target_col: string, source_id: int} $relationInfo |
| 29 | * @param array<string, string> $columnFilters Column-level search filters. |
| 30 | * @param array<string, bool> $validKeys Allowed field keys. |
| 31 | * @param array<string> $searchableCols Columns participating in general search. |
| 32 | * @param string $generalQuery General search query. |
| 33 | * @return array{0: string, 1: array<string, mixed>} WHERE SQL and parameters. |
| 34 | */ |
| 35 | public function buildAvailableRecordsWhere( |
| 36 | array $relationInfo, |
| 37 | array $columnFilters, |
| 38 | array $validKeys, |
| 39 | array $searchableCols, |
| 40 | string $generalQuery, |
| 41 | ): array { |
| 42 | $targetCol = $relationInfo['target_col']; |
| 43 | $intermediateTable = $relationInfo['table']; |
| 44 | $sourceCol = $relationInfo['source_col']; |
| 45 | $sourceRecordId = $relationInfo['source_id']; |
| 46 | |
| 47 | $conditions = [ |
| 48 | sprintf( |
| 49 | 't.`id` NOT IN (SELECT rel.`%s` FROM `%s` AS rel WHERE rel.`%s` = :source_id)', |
| 50 | $targetCol, |
| 51 | $intermediateTable, |
| 52 | $sourceCol |
| 53 | ) |
| 54 | ]; |
| 55 | $params = [':source_id' => $sourceRecordId]; |
| 56 | |
| 57 | $colIdx = 0; |
| 58 | foreach ($columnFilters as $colKey => $colVal) { |
| 59 | $trimmedVal = trim((string) $colVal); |
| 60 | if ($trimmedVal !== '' && isset($validKeys[$colKey])) { |
| 61 | $pName = ':cf_' . $colIdx++; |
| 62 | $conditions[] = sprintf(self::FMT_TARGET_COL . ' LIKE %s', $colKey, $pName); |
| 63 | $params[$pName] = '%' . $trimmedVal . '%'; |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | if ($generalQuery !== '') { |
| 68 | $searchOrs = []; |
| 69 | foreach ($searchableCols as $idx => $col) { |
| 70 | $pName = ':gq_' . $idx; |
| 71 | $searchOrs[] = sprintf('%s LIKE %s', $col, $pName); |
| 72 | $params[$pName] = '%' . $generalQuery . '%'; |
| 73 | } |
| 74 | $conditions[] = '(' . implode(' OR ', $searchOrs) . ')'; |
| 75 | } |
| 76 | |
| 77 | return ['WHERE ' . implode(' AND ', $conditions), $params]; |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Returns empty available payload when relation definition is missing. |
| 82 | * |
| 83 | * @param RelationMmMetadata|null $relation Relation definition. |
| 84 | * @param ModuleMetadata $targetModule Target module metadata. |
| 85 | * @param int $perPage Pagination limit. |
| 86 | * @return array<string, mixed> Empty results payload. |
| 87 | */ |
| 88 | public function buildEmptyAvailablePayload( |
| 89 | ?RelationMmMetadata $relation, |
| 90 | ModuleMetadata $targetModule, |
| 91 | int $perPage, |
| 92 | ): array { |
| 93 | return [ |
| 94 | 'relation' => $relation, |
| 95 | 'target_module' => $targetModule, |
| 96 | 'fields' => [], |
| 97 | 'records' => [], |
| 98 | 'total' => 0, |
| 99 | 'page' => 1, |
| 100 | 'per_page' => $perPage, |
| 101 | 'total_pages' => 1, |
| 102 | 'sort_field' => 'id', |
| 103 | 'sort_order' => 'DESC', |
| 104 | 'column_filters' => [], |
| 105 | 'query' => '', |
| 106 | ]; |
| 107 | } |
| 108 | } |