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<?php |
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declare(strict_types=1); |
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namespace Cycle\ORM\Relation; |
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use Cycle\ORM\Heap\State; |
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use Cycle\ORM\Relation; |
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use Cycle\ORM\Transaction\Pool; |
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use Cycle\ORM\Transaction\Tuple; |
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/** |
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* @internal |
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*/ |
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class ShadowBelongsTo implements ReversedRelationInterface, DependencyInterface |
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{ |
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private string $name; |
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private string $target; |
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private array $schema; |
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private array $innerKeys; |
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private bool $cascade; |
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public function __construct(string $name, string $target, array $schema) |
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{ |
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$this->name = $target . '.' . $name . ':' . $schema[Relation::TARGET]; |
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$this->target = $target; |
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$this->schema = $schema; |
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$this->innerKeys = (array)($schema[Relation::SCHEMA][Relation::OUTER_KEY] ?? []); |
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$this->cascade = (bool)($schema[Relation::SCHEMA][Relation::CASCADE] ?? false); |
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} |
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public function getInnerKeys(): array |
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{ |
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return $this->innerKeys; |
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} |
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public function prepare(Pool $pool, Tuple $tuple, mixed $related, bool $load = true): void |
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{ |
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$tuple->state->setRelation($this->getName(), $related); |
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$this->registerWaitingFields($tuple->state, !$this->isNullable()); |
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$tuple->state->setRelationStatus($this->getName(), RelationInterface::STATUS_PROCESS); |
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} |
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public function queue(Pool $pool, Tuple $tuple): void |
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{ |
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$status = $tuple->state->getRelationStatus($this->getName()); |
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if ($status === RelationInterface::STATUS_PREPARE && $this->isNullable()) { |
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$tuple->state->setRelationStatus($this->getName(), RelationInterface::STATUS_DEFERRED); |
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} |
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if ($tuple->status >= Tuple::STATUS_WAITED) { |
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// Check fields |
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if ($this->isNullable() || $this->checkFieldsExists($tuple->state)) { |
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$tuple->state->setRelationStatus($this->getName(), RelationInterface::STATUS_RESOLVED); |
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} |
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} |
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} |
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public function getName(): string |
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{ |
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return $this->name; |
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} |
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public function getTarget(): string |
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{ |
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return $this->target; |
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} |
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public function isCascade(): bool |
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{ |
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return $this->cascade; |
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} |
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public function isNullable(): bool |
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{ |
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return (bool)($this->schema[Relation::SCHEMA][Relation::NULLABLE] ?? false); |
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} |
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private function checkFieldsExists(State $state): bool |
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{ |
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$data = $state->getData(); |
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foreach ($this->innerKeys as $key) { |
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if (!isset($data[$key])) { |
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return false; |
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} |
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} |
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return true; |
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} |
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private function registerWaitingFields(State $state, bool $required = true): void |
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{ |
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foreach ($this->innerKeys as $key) { |
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$state->waitField($key, $required); |
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} |
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} |
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} |
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