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<?php |
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declare(strict_types=1); |
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namespace Cycle\Schema\Relation\Traits; |
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use Cycle\Schema\Definition\Entity; |
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use Cycle\Schema\Definition\Field; |
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use Cycle\Schema\Definition\Map\FieldMap; |
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use Cycle\Schema\Exception\RelationException; |
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use Cycle\Schema\Registry; |
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use Cycle\Schema\Table\Column; |
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use Generator; |
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trait MorphTrait |
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{ |
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/** |
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* @psalm-param non-empty-string $interface |
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* |
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* @psalm-assert class-string $interface |
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* |
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* @return Entity[]|Generator |
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112 |
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* |
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* @psalm-return Generator<int, Entity> |
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112 |
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*/ |
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112 |
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protected function findTargets(Registry $registry, string $interface): Generator |
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112 |
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{ |
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foreach ($registry as $entity) { |
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$class = $entity->getClass(); |
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if ($class === null || !in_array($interface, class_implements($class))) { |
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continue; |
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} |
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96 |
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yield $entity; |
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} |
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} |
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/** |
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* @param non-empty-string $interface |
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112 |
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* |
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* @throws RelationException |
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112 |
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* |
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* @return array Tuple [name, Field] |
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112 |
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*/ |
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protected function findOuterKey(Registry $registry, string $interface): array |
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112 |
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{ |
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$keys = null; |
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$fields = null; |
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$prevEntity = null; |
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112 |
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foreach ($this->findTargets($registry, $interface) as $entity) { |
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$primaryFields = $entity->getPrimaryFields(); |
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$primaryKeys = $this->getPrimaryColumns($entity); |
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112 |
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if (null === $keys) { |
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$keys = $primaryKeys; |
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$fields = $primaryFields; |
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$prevEntity = $entity; |
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} elseif ($keys !== $primaryKeys && $prevEntity !== null) { |
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throw new RelationException(sprintf( |
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'Inconsistent primary key reference (%s). PKs: (%s). Required PKs [%s]: (%s).', |
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$entity->getRole() ?? 'unknown', |
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implode(',', $primaryKeys), |
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$prevEntity->getRole() ?? 'unknown', |
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implode(',', $keys) |
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)); |
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} |
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} |
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96 |
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if (null === $fields) { |
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throw new RelationException('Unable to find morphed parent.'); |
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} |
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return [$keys, $fields]; |
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} |
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/** |
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* @param non-empty-string $column |
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*/ |
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protected function ensureMorphField(Entity $target, string $column, int $length, bool $nullable = false): void |
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{ |
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if ($target->getFields()->has($column)) { |
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// field already exists and defined by the user |
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return; |
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} |
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$field = new Field(); |
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$field->setEntityClass($target->getClass()); |
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$field->setColumn($column); |
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$field->setType(sprintf('string(%s)', $length)); |
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if ($nullable) { |
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$field->getOptions()->set(Column::OPT_NULLABLE, true); |
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} |
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$target->getFields()->set($column, $field); |
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} |
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protected function mergeIndex(Registry $registry, Entity $source, FieldMap ...$mergeMaps): void |
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{ |
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$table = $registry->getTableSchema($source); |
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if ($this->options->get(self::INDEX_CREATE)) { |
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/** @psalm-suppress NamedArgumentNotAllowed */ |
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$index = array_merge(...array_map( |
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static function (FieldMap $map): array { |
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return $map->getColumnNames(); |
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}, |
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$mergeMaps |
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)); |
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if (count($index) > 0) { |
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$table->index($index); |
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} |
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} |
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116
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} |
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117
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} |
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cycle /
schema-builder
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