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<?php |
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/** |
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* @author Jared King <[email protected]> |
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* |
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* @link http://jaredtking.com |
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* |
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* @copyright 2015 Jared King |
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* @license MIT |
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*/ |
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namespace Pulsar\Relation; |
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use Pulsar\Model; |
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use Pulsar\Query; |
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abstract class Relation |
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{ |
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/** |
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* @var \Pulsar\Model |
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*/ |
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protected $localModel; |
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/** |
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* @var string |
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*/ |
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protected $localKey; |
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/** |
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* @var string |
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*/ |
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protected $foreignModel; |
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/** |
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* @var string |
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*/ |
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protected $foreignKey; |
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/** |
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* @var \Pulsar\Query |
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*/ |
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protected $query; |
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/** |
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* @var bool |
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*/ |
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protected $empty; |
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/** |
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* @param Model $localModel |
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* @param string $localKey identifying key on local model |
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* @param string $foreignModel foreign model class |
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* @param string $foreignKey identifying key on foreign model |
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*/ |
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public function __construct(Model $localModel, $localKey, $foreignModel, $foreignKey) |
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{ |
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$this->localModel = $localModel; |
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$this->localKey = $localKey; |
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$this->foreignModel = $foreignModel; |
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$this->foreignKey = $foreignKey; |
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$this->query = new Query(new $foreignModel()); |
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$this->initQuery(); |
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} |
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/** |
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* Gets the local model of the relationship. |
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* |
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* @return \Pulsar\Model |
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*/ |
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public function getLocalModel() |
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{ |
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return $this->localModel; |
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} |
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/** |
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* Gets the name of the foreign key of the relation model. |
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* |
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* @return string |
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*/ |
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public function getLocalKey() |
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{ |
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return $this->localKey; |
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} |
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/** |
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* Gets the foreign model of the relationship. |
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* |
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* @return string |
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*/ |
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public function getForeignModel() |
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{ |
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return $this->foreignModel; |
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} |
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/** |
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* Gets the name of the foreign key of the foreign model. |
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* |
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* @return string |
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*/ |
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public function getForeignKey() |
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{ |
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return $this->foreignKey; |
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} |
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/** |
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* Returns the query instance for this relation. |
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* |
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* @return \Pulsar\Query |
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*/ |
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public function getQuery() |
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{ |
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return $this->query; |
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} |
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/** |
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* Called to initialize the query. |
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*/ |
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abstract protected function initQuery(); |
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/** |
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* Called to get the results of the relation query. |
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* |
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* @return mixed |
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*/ |
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abstract public function getResults(); |
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/** |
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* Creates a new relationship model and attaches it to the owning model. |
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* |
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* @param array $values |
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* |
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* @return Model |
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*/ |
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abstract public function create(array $values = []); |
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public function __call($method, $arguments) |
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{ |
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// try calling any unkown methods on the query |
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return call_user_func_array([$this->query, $method], $arguments); |
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} |
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} |
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jaredtking /
pulsar
