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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\Modules\Automation\Queue\Application\Handler; |
| 8 | |
| 9 | defined('AMMONLY_APP') || exit('Direct script access is forbidden.'); |
| 10 | |
| 11 | use App\Modules\Automation\Queue\Domain\Model\QueueJob; |
| 12 | use App\Modules\Automation\Queue\Domain\Repository\QueueRepositoryInterface; |
| 13 | use DateTimeImmutable; |
| 14 | use PDO; |
| 15 | |
| 16 | /** |
| 17 | * Picklist Value Asynchronous Reassignment and Deletion Handler. |
| 18 | * |
| 19 | * Scans all database modules and fields associated with the picklist, |
| 20 | * batch-updates existing records from old value to new value, |
| 21 | * and safely deletes the picklist value from catalog. |
| 22 | * |
| 23 | * @package App\Modules\Automation\Queue\Application\Handler |
| 24 | */ |
| 25 | final readonly class PicklistValueReassignHandler implements JobHandlerInterface |
| 26 | { |
| 27 | public const string JOB_TYPE = 'picklist_value_reassign'; |
| 28 | |
| 29 | /** |
| 30 | * PicklistValueReassignHandler constructor. |
| 31 | * |
| 32 | * @param PDO $pdo Database connection. |
| 33 | * @param string $tablePrefix Table prefix. |
| 34 | */ |
| 35 | public function __construct( |
| 36 | private PDO $pdo, |
| 37 | private string $tablePrefix = 'a_' |
| 38 | ) { |
| 39 | } |
| 40 | |
| 41 | /** |
| 42 | * {@inheritdoc} |
| 43 | */ |
| 44 | public function supports(): string |
| 45 | { |
| 46 | return self::JOB_TYPE; |
| 47 | } |
| 48 | |
| 49 | /** |
| 50 | * {@inheritdoc} |
| 51 | */ |
| 52 | public function handle(QueueJob $job, QueueRepositoryInterface $queueRepository): string |
| 53 | { |
| 54 | $payload = $job->getPayload(); |
| 55 | $picklistId = (int)($payload['picklist_id'] ?? 0); |
| 56 | $oldValueId = (int)($payload['old_value_id'] ?? 0); |
| 57 | $newValueId = isset($payload['new_value_id']) && $payload['new_value_id'] !== null |
| 58 | ? (int)$payload['new_value_id'] |
| 59 | : null; |
| 60 | $oldValCode = isset($payload['old_value_code']) ? (string)$payload['old_value_code'] : null; |
| 61 | $newValCode = isset($payload['new_value_code']) ? (string)$payload['new_value_code'] : null; |
| 62 | |
| 63 | $targetFields = $this->findReferencingFields($picklistId); |
| 64 | $totalFields = count($targetFields); |
| 65 | $processedCount = 0; |
| 66 | $totalUpdatedRows = 0; |
| 67 | |
| 68 | $now = new DateTimeImmutable(); |
| 69 | $queueRepository->updateProgress($job->getId(), 0, max(1, $totalFields), $now); |
| 70 | |
| 71 | foreach ($targetFields as $field) { |
| 72 | $tableName = (string)$field['table_name']; |
| 73 | $fieldKey = (string)$field['field_key']; |
| 74 | |
| 75 | $rows = $this->reassignInTable($tableName, $fieldKey, $oldValueId, $newValueId, $oldValCode, $newValCode); |
| 76 | $totalUpdatedRows += $rows; |
| 77 | $processedCount++; |
| 78 | |
| 79 | $now = new DateTimeImmutable(); |
| 80 | $queueRepository->updateProgress($job->getId(), $processedCount, max(1, $totalFields), $now); |
| 81 | } |
| 82 | |
| 83 | // Delete the picklist value record permanently |
| 84 | $this->deletePicklistValueRecord($oldValueId); |
| 85 | |
| 86 | return sprintf( |
| 87 | 'Reassigned %d records across %d tables and deleted picklist value #%d.', |
| 88 | $totalUpdatedRows, |
| 89 | $totalFields, |
| 90 | $oldValueId |
| 91 | ); |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Finds all module fields configured with given picklist ID. |
| 96 | * |
| 97 | * @param int $picklistId Picklist identifier. |
| 98 | * @return array<int, array{table_name: string, field_key: string}> Referencing fields list. |
| 99 | */ |
| 100 | private function findReferencingFields(int $picklistId): array |
| 101 | { |
| 102 | $fieldsTable = $this->tablePrefix . 'core_field_records'; |
| 103 | $modulesTable = $this->tablePrefix . 'core_module_records'; |
| 104 | |
| 105 | $sql = "SELECT m.table_name, f.field_key |
| 106 | FROM {$fieldsTable} f |
| 107 | JOIN {$modulesTable} m ON f.module_id = m.id |
| 108 | WHERE f.picklist_id = :picklist_id |
| 109 | AND m.table_name IS NOT NULL"; |
| 110 | |
| 111 | $stmt = $this->pdo->prepare($sql); |
| 112 | $stmt->bindValue(':picklist_id', $picklistId, PDO::PARAM_INT); |
| 113 | $stmt->execute(); |
| 114 | |
| 115 | /** @var array<int, array{table_name: string, field_key: string}> $rows */ |
| 116 | return (array) $stmt->fetchAll(PDO::FETCH_ASSOC); |
| 117 | } |
| 118 | |
| 119 | /** |
| 120 | * Reassigns picklist value references inside a single table. |
| 121 | * |
| 122 | * @param string $tableName Physical database table name. |
| 123 | * @param string $columnName Column name. |
| 124 | * @param int $oldId Old picklist value ID. |
| 125 | * @param int|null $newId New picklist value ID. |
| 126 | * @param string|null $oldCode Old code fallback. |
| 127 | * @param string|null $newCode New code fallback. |
| 128 | * @return int Count of modified records. |
| 129 | */ |
| 130 | private function reassignInTable( |
| 131 | string $tableName, |
| 132 | string $columnName, |
| 133 | int $oldId, |
| 134 | ?int $newId, |
| 135 | ?string $oldCode, |
| 136 | ?string $newCode |
| 137 | ): int { |
| 138 | // Sanitize identifiers |
| 139 | $cleanTable = (string) preg_replace('/\W/', '', $tableName); |
| 140 | $cleanColumn = (string) preg_replace('/\W/', '', $columnName); |
| 141 | |
| 142 | if ($cleanTable === '' || $cleanColumn === '') { |
| 143 | return 0; |
| 144 | } |
| 145 | |
| 146 | // Support both numeric INT IDs and string code values during transition |
| 147 | $sql = "UPDATE `{$cleanTable}` |
| 148 | SET `{$cleanColumn}` = :new_val |
| 149 | WHERE `{$cleanColumn}` = :old_id |
| 150 | OR (:old_code IS NOT NULL AND `{$cleanColumn}` = :old_code)"; |
| 151 | |
| 152 | $stmt = $this->pdo->prepare($sql); |
| 153 | $stmt->bindValue(':new_val', $newId !== null ? (string)$newId : ($newCode ?? '')); |
| 154 | $stmt->bindValue(':old_id', (string)$oldId); |
| 155 | $stmt->bindValue(':old_code', $oldCode); |
| 156 | $stmt->execute(); |
| 157 | |
| 158 | return $stmt->rowCount(); |
| 159 | } |
| 160 | |
| 161 | /** |
| 162 | * Permanently deletes the picklist value record. |
| 163 | * |
| 164 | * @param int $valueId Value ID. |
| 165 | * @return void |
| 166 | */ |
| 167 | private function deletePicklistValueRecord(int $valueId): void |
| 168 | { |
| 169 | $valTable = $this->tablePrefix . 'core_picklist_value_records'; |
| 170 | $sql = "DELETE FROM {$valTable} WHERE id = :id"; |
| 171 | $stmt = $this->pdo->prepare($sql); |
| 172 | $stmt->bindValue(':id', $valueId, PDO::PARAM_INT); |
| 173 | $stmt->execute(); |
| 174 | } |
| 175 | } |