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<?php |
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declare(strict_types=1); |
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/** |
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* Spiral Framework. |
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* |
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* @license MIT |
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* @author Anton Titov (Wolfy-J) |
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*/ |
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namespace Cycle\Schema\Relation; |
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use Cycle\ORM\Relation; |
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use Cycle\Schema\Registry; |
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use Cycle\Schema\Relation\Traits\FieldTrait; |
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class HasOne extends AbstractSchema |
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{ |
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use FieldTrait; |
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protected const RELATION_TYPE = Relation::HAS_ONE; |
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protected const OPTION_SCHEMA = [ |
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// save with parent |
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Relation::CASCADE => true, |
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// use outer entity constrain by default |
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Relation::CONSTRAIN => true, |
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// not nullable by default |
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Relation::NULLABLE => false, |
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// link to parent entity primary key by default |
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Relation::INNER_KEY => '{source:primaryKey}', |
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// default field name for inner key |
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Relation::OUTER_KEY => '{source:role}_{innerKey}', |
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]; |
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/** |
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* @param Registry $registry |
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*/ |
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public function compute(Registry $registry) |
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{ |
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parent::compute($registry); |
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// generate external field |
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$target = $registry->getEntity($this->target); |
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if (!$this->hasField($target, Relation::OUTER_KEY)) { |
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// create target outer field |
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$this->createField( |
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$target, |
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$this->getField($registry->getEntity($this->source), Relation::INNER_KEY), |
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$this->options->get(Relation::OUTER_KEY) |
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); |
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} |
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} |
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} |