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<?php |
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declare(strict_types=1); |
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namespace Cycle\Schema\Relation; |
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use Cycle\ORM\Relation; |
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use Cycle\Schema\Exception\FieldException\EmbeddedPrimaryKeyException; |
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use Cycle\Schema\Registry; |
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use Cycle\Schema\Relation\Traits\ForeignKeyTrait; |
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final class Embedded extends RelationSchema |
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{ |
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use ForeignKeyTrait; |
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// internal relation type |
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protected const RELATION_TYPE = Relation::EMBEDDED; |
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// relation schema options |
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protected const RELATION_SCHEMA = [ |
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Relation::LOAD => Relation::LOAD_EAGER, |
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self::EMBEDDED_PREFIX => '', |
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]; |
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public function compute(Registry $registry): void |
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{ |
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$source = $registry->getEntity($this->source); |
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$target = $registry->getEntity($this->target); |
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$targetRole = $target->getRole(); |
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$sourceRole = $source->getRole(); |
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\assert($targetRole !== null && $sourceRole !== null); |
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// each embedded entity must isolated |
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$target = clone $target; |
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$target->setRole($sourceRole . ':' . $targetRole . ':' . $this->name); |
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$targetRole = $target->getRole(); |
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\assert($targetRole !== null); |
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// embedded entity must point to the same table as parent entity |
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$registry->register($target); |
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$registry->linkTable($target, $registry->getDatabase($source), $registry->getTable($source)); |
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// isolated |
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$this->target = $targetRole; |
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$prefix = $this->getOptions()->get(self::EMBEDDED_PREFIX); |
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assert(\is_string($prefix)); |
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foreach ($target->getFields() as $field) { |
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/** @var non-empty-string $columnName */ |
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$columnName = $prefix . $field->getColumn(); |
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$field->setColumn($columnName); |
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} |
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foreach ($source->getFields() as $name => $field) { |
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if ($field->isPrimary()) { |
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// sync primary keys |
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if ($target->getFields()->has($name)) { |
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throw new EmbeddedPrimaryKeyException($target, $name); |
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} |
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$target->getFields()->set($name, $field); |
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} |
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} |
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parent::compute($registry); |
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} |
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public function render(Registry $registry): void |
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{ |
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// relation does not require any column rendering besides actual tables |
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} |
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} |
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cycle /
schema-builder
