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<?php |
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/** |
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* 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\ArrayNode; |
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use Spiral\ORM\Helpers\WhereDecorator; |
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use Spiral\ORM\Record; |
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/** |
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* Dedicated to load HAS_MANY relation data, POSTLOAD is preferred loading method. Additional where |
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* conditions and morph keys are supported. |
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* |
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* Please note that OUTER and INNER keys defined from perspective of parent (reversed for our |
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* purposes). |
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*/ |
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class HasManyLoader 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 $references = []): SelectQuery |
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{ |
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if ($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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[$this->localKey(Record::OUTER_KEY) => $this->parentKey(Record::INNER_KEY)] |
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); |
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} else { |
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//This relation is loaded using external query |
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$query->where( |
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$this->localKey(Record::OUTER_KEY), |
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'IN', |
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new Parameter($references) |
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); |
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} |
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//Let's use where decorator to set conditions, it will automatically route tokens to valid |
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//destination (JOIN or WHERE) |
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$decorator = new WhereDecorator( |
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$query, |
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$this->isJoined() ? 'onWhere' : 'where', |
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$this->getAlias() |
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); |
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if (!empty($this->schema[Record::WHERE])) { |
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//Relation WHERE conditions |
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$decorator->where($this->schema[Record::WHERE]); |
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} |
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//User specified WHERE conditions |
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if (!empty($this->options['where'])) { |
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$decorator->where($this->options['where']); |
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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 ArrayNode( |
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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_PRIMARIES] |
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); |
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return $node->asJoined($this->isJoined()); |
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} |
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} |
spiral /
components
