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<?php |
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/** |
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* Bluz Framework Component |
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* |
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* @copyright Bluz PHP Team |
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* @link https://github.com/bluzphp/framework |
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*/ |
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declare(strict_types=1); |
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namespace Bluz\Db\Traits; |
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use Bluz\Db\Relations; |
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use Bluz\Db\Row; |
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use Bluz\Db\Exception\RelationNotFoundException; |
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use Bluz\Db\Exception\TableNotFoundException; |
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use Bluz\Db\RowInterface; |
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/** |
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* RowRelations |
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* |
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* @package Bluz\Db\Traits |
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* @author Anton Shevchuk |
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*/ |
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trait RowRelations |
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{ |
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/** |
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* @var array relations rows |
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*/ |
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protected $relations = []; |
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/** |
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* Set relation |
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* |
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* @param Row $row |
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* |
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* @return void |
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* @throws TableNotFoundException |
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*/ |
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public function setRelation(Row $row) : void |
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{ |
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$modelName = $row->getTable()->getModel(); |
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$this->relations[$modelName] = [$row]; |
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} |
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/** |
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* Get relation by model name |
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* |
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* @param string $modelName |
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* |
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* @return RowInterface |
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* @throws RelationNotFoundException |
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* @throws TableNotFoundException |
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*/ |
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public function getRelation($modelName) : ?RowInterface |
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{ |
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$relations = $this->getRelations($modelName); |
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return empty($relations) ? null : current($relations); |
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} |
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/** |
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* Get relations by model name |
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* |
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* @param string $modelName |
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* |
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* @return RowInterface[] |
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* @throws RelationNotFoundException |
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* @throws TableNotFoundException |
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*/ |
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public function getRelations($modelName) : array |
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{ |
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if (!isset($this->relations[$modelName])) { |
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$this->relations[$modelName] = Relations::findRelation($this, $modelName); |
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} |
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return $this->relations[$modelName]; |
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} |
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} |
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bluzphp /
framework
