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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 RelationSchema |
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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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// rendering options |
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RelationSchema::FK_CREATE => true, |
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RelationSchema::FK_ACTION => 'CASCADE', |
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RelationSchema::INDEX_CREATE => true, |
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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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$source = $registry->getEntity($this->source); |
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$target = $registry->getEntity($this->target); |
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// create target outer field |
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$this->ensureField( |
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$target, |
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$this->options->get(Relation::OUTER_KEY), |
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$this->getField($source, Relation::INNER_KEY) |
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); |
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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 render(Registry $registry) |
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{ |
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$source = $registry->getEntity($this->source); |
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$target = $registry->getEntity($this->target); |
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$innerField = $this->getField($source, Relation::INNER_KEY); |
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$outerField = $this->getField($target, Relation::OUTER_KEY); |
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$table = $registry->getTableSchema($target); |
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if ($this->options->get(self::INDEX_CREATE)) { |
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$table->index([$outerField->getColumn()]); |
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} |
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if ($this->options->get(self::FK_CREATE)) { |
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$fk = $table->foreignKey($outerField->getColumn()); |
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// todo: what if database is different? |
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$fk->references($registry->getTable($source), $innerField->getColumn()); |
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$fk->onUpdate($this->options->get(self::FK_ACTION)); |
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$fk->onDelete($this->options->get(self::FK_ACTION)); |
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} |
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} |
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} |
cycle /
schema-builder
