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<?php |
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namespace Bdf\Prime\Relations; |
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use Bdf\Prime\Collection\Indexer\EntityIndexer; |
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use Bdf\Prime\Collection\Indexer\EntityIndexerInterface; |
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use Bdf\Prime\Query\Contract\EntityJoinable; |
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use Bdf\Prime\Query\Contract\ReadOperation; |
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use Bdf\Prime\Query\Contract\WriteOperation; |
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/** |
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* MorphTo |
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*/ |
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class MorphTo extends BelongsTo |
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{ |
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/** |
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* {@inheritdoc} |
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* |
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* The alias should have #[sub entity] at its end |
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*/ |
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public function join($query, $alias = null) |
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{ |
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$parts = explode('#', (string)$alias); |
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if (!isset($parts[1])) { |
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throw new \LogicException('Joins are not supported on polymorph without discriminator'); |
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} |
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$this->loadDistantFromType(end($parts)); |
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//TODO should be in join clause |
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$query->where($this->getLocalAlias($query).$this->discriminator, $this->discriminatorValue); |
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// Join to the real alias (i.e. without the discriminator) |
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parent::join($query, $parts[0]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function joinRepositories(EntityJoinable $query, $alias = null, $discriminatorValue = null) |
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{ |
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$this->loadDistantFromType($discriminatorValue); |
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return [ |
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$alias => $this->relationRepository() |
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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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#[ReadOperation] |
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public function load(EntityIndexerInterface $collection, array $with = [], $constraints = [], array $without = []) |
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{ |
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if ($collection->empty()) { |
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return; |
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} |
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$with = $this->rearrangeWith($with); |
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$without = $this->rearrangeWithout($without); |
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foreach ($collection->by($this->discriminator) as $type => $chunk) { |
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$this->loadDistantFromType($type); |
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parent::load( |
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EntityIndexer::fromArray($this->local->mapper(), $chunk), |
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$with[$type], |
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$constraints, |
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$without[$type] |
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); |
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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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* @fixme Do not works with EntityCollection |
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* |
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* @param object $owner |
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*/ |
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public function link($owner) |
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{ |
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$this->loadDistantFrom($owner); |
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return parent::link($owner); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function associate($owner, $entity) |
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{ |
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$this->loadDistantFromType($this->discriminator(get_class($entity))); |
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return parent::associate($owner, $entity); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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#[WriteOperation] |
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public function saveAll($owner, array $relations = []) |
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{ |
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$relations = $this->rearrangeWith($relations); |
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$this->loadDistantFrom($owner); |
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return parent::saveAll($owner, $relations[$this->discriminatorValue]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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#[WriteOperation] |
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public function deleteAll($owner, array $relations = []) |
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{ |
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$relations = $this->rearrangeWith($relations); |
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$this->loadDistantFrom($owner); |
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return parent::deleteAll($owner, $relations[$this->discriminatorValue]); |
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} |
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/** |
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* Change the current discriminator value |
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* and update the distant repository of this relation |
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* |
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* @param mixed $type |
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*/ |
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protected function loadDistantFromType($type) |
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{ |
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$this->discriminatorValue = $type; |
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$this->updateDistantInfos(); |
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} |
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/** |
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* Change the current discriminator value from the entity |
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* and update the distant repository of this relation |
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* |
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* @param object $entity |
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*/ |
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protected function loadDistantFrom($entity) |
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{ |
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$this->updateDiscriminatorValue($entity); |
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$this->updateDistantInfos(); |
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} |
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/** |
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* Update the distant repository of this relation |
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*/ |
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protected function updateDistantInfos() |
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{ |
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$infos = $this->map($this->discriminatorValue); |
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$this->distant = $this->local->repository($infos['entity']); |
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$this->distantKey = $infos['distantKey']; |
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$this->setConstraints(isset($infos['constraints']) ? $infos['constraints'] : []); |
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} |
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/** |
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163
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* {@inheritdoc} |
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*/ |
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39 |
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protected function relationQuery($keys, $constraints) |
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{ |
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return $this->query($keys, $constraints)->by($this->distantKey); |
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} |
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} |
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b2pweb /
bdf-prime
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