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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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use Cycle\Schema\Relation\Traits\ForeignKeyTrait; |
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class ManyToMany extends RelationSchema |
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{ |
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use FieldTrait, ForeignKeyTrait; |
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// internal relation type |
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protected const RELATION_TYPE = Relation::HAS_ONE; |
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// relation schema options |
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protected const RELATION_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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// nullable by default |
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Relation::NULLABLE => true, |
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// custom where condition |
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Relation::WHERE => [], |
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// inner key of parent record will be used to fill "THOUGHT_INNER_KEY" in pivot table |
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Relation::INNER_KEY => '{source:primaryKey}', |
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// we are going to use primary key of outer table to fill "THOUGHT_OUTER_KEY" in pivot table |
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// this is technically "inner" key of outer record, we will name it "outer key" for simplicity |
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Relation::OUTER_KEY => '{target:primaryKey}', |
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// name field where parent record inner key will be stored in pivot table, role + innerKey |
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// by default |
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Relation::THOUGHT_INNER_KEY => '{source:role}_{innerKey}', |
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// name field where inner key of outer record (outer key) will be stored in pivot table, |
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// role + outerKey by default |
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Relation::THOUGHT_OUTER_KEY => '{target:role}_{outerKey}', |
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// apply pivot constrain |
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Relation::THOUGHT_CONSTRAIN => true, |
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// custom pivot where |
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Relation::THOUGHT_WHERE => [], |
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// rendering options |
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RelationSchema::INDEX_CREATE => true, |
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RelationSchema::FK_CREATE => true, |
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RelationSchema::FK_ACTION => 'CASCADE', |
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RelationSchema::BIND_INTERFACE => false |
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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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$thought = $registry->getEntity($this->options->get(Relation::THOUGHT_ENTITY)); |
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$this->ensureField( |
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$thought, |
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$this->options->get(Relation::THOUGHT_INNER_KEY), |
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$this->getField($source, Relation::INNER_KEY), |
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$this->options->get(Relation::NULLABLE) |
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); |
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$this->ensureField( |
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$thought, |
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$this->options->get(Relation::THOUGHT_OUTER_KEY), |
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$this->getField($target, Relation::OUTER_KEY), |
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$this->options->get(Relation::NULLABLE) |
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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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$thought = $registry->getEntity($this->options->get(Relation::THOUGHT_ENTITY)); |
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$sourceField = $this->getField($source, Relation::INNER_KEY); |
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$targetField = $this->getField($target, Relation::OUTER_KEY); |
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$thoughtSourceField = $this->getField($thought, Relation::THOUGHT_INNER_KEY); |
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$thoughtTargetField = $this->getField($thought, Relation::THOUGHT_OUTER_KEY); |
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$table = $registry->getTableSchema($thought); |
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if ($this->options->get(self::INDEX_CREATE)) { |
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$table->index([ |
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$thoughtSourceField->getColumn(), |
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$thoughtTargetField->getColumn() |
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])->unique(true); |
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} |
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if ($this->options->get(self::FK_CREATE)) { |
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$this->createForeignKey($registry, $source, $thought, $sourceField, $thoughtSourceField); |
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$this->createForeignKey($registry, $target, $thought, $targetField, $thoughtTargetField); |
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} |
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} |
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} |
cycle /
schema-builder
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