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<?php |
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/** |
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* Spiral, Core Components |
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* |
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* @author Wolfy-J |
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*/ |
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namespace Spiral\ORM\Entities\Loaders; |
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use Spiral\Database\Builders\SelectQuery; |
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use Spiral\Database\Injections\Parameter; |
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use Spiral\ORM\Entities\Nodes\AbstractNode; |
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use Spiral\ORM\Entities\Nodes\SingularNode; |
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use Spiral\ORM\Record; |
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/** |
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* Responsible for loading data related to parent record in belongs to relation. Loading logic is |
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* identical to HasOneLoader however preferred loading methods is POSTLOAD. |
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*/ |
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class BelongsToLoader extends RelationLoader |
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{ |
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/** |
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* Default set of relation options. Child implementation might defined their of default options. |
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* |
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* @var array |
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*/ |
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protected $options = [ |
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'method' => self::POSTLOAD, |
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'minify' => true, |
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'alias' => null, |
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'using' => null, |
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'where' => null, |
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]; |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function configureQuery(SelectQuery $query, array $outerKeys = []): SelectQuery |
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{ |
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if (!empty($this->options['using'])) { |
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//Use pre-defined query |
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return parent::configureQuery($query, $outerKeys); |
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} |
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if ($this->isJoined()) { |
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$query->join( |
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$this->getMethod() == self::JOIN ? 'INNER' : 'LEFT', |
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"{$this->getTable()} AS {$this->getAlias()}") |
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->on( |
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$this->localKey(Record::OUTER_KEY), |
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$this->parentKey(Record::INNER_KEY) |
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); |
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} else { |
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//This relation is loaded using external query |
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$query->where( |
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$this->localKey(Record::OUTER_KEY), |
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'IN', |
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new Parameter($outerKeys) |
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); |
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} |
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return parent::configureQuery($query); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function initNode(): AbstractNode |
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{ |
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$node = new SingularNode( |
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$this->schema[Record::RELATION_COLUMNS], |
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$this->schema[Record::OUTER_KEY], |
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$this->schema[Record::INNER_KEY], |
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$this->schema[Record::SH_PRIMARY_KEY] |
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); |
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return $node->asJoined($this->isJoined()); |
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} |
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} |
spiral /
components
