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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\Loaders\Traits\ConstrainTrait; |
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use Spiral\ORM\Entities\Loaders\Traits\WhereTrait; |
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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\ORMInterface; |
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use Spiral\ORM\Record; |
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use Spiral\ORM\RecordEntity; |
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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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use WhereTrait, ConstrainTrait; |
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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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'orderBy' => [], |
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'limit' => 0 |
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]; |
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/** |
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* @param string $class |
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* @param string $relation |
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* @param array $schema |
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* @param \Spiral\ORM\ORMInterface $orm |
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*/ |
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public function __construct($class, $relation, array $schema, ORMInterface $orm) |
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{ |
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parent::__construct($class, $relation, $schema, $orm); |
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if (!empty($schema[RecordEntity::ORDER_BY])) { |
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//Default sorting direction |
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$this->options['orderBy'] = $schema[RecordEntity::ORDER_BY]; |
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} |
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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($outerKeys) |
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); |
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$this->configureWindow($query, $this->options['orderBy'], $this->options['limit']); |
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} |
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//When relation is joined we will use ON statements, when not - normal WHERE |
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$whereTarget = $this->isJoined() ? 'onWhere' : 'where'; |
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//Where conditions specified in relation definition |
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$this->setWhere($query, $this->getAlias(), $whereTarget, $this->schema[Record::WHERE]); |
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//User specified WHERE conditions |
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$this->setWhere($query, $this->getAlias(), $whereTarget, $this->options['where']); |
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//Morphed records |
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if (!empty($this->schema[Record::MORPH_KEY])) { |
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$this->setWhere( |
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$query, |
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$this->getAlias(), |
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$whereTarget, |
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[ |
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$this->localKey(Record::MORPH_KEY) => $this->orm->define( |
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$this->parent->getClass(), |
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ORMInterface::R_ROLE_NAME |
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) |
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] |
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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 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_PRIMARY_KEY] |
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); |
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return $node->asJoined($this->isJoined()); |
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} |
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} |
spiral /
orm
