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<?php |
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declare(strict_types=1); |
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/** |
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* Spiral Framework. |
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* |
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* @license MIT |
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* @author Anton Titov (Wolfy-J) |
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*/ |
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namespace Cycle\ORM\Relation; |
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use Cycle\ORM\Command\Branch\Condition; |
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use Cycle\ORM\Command\Branch\Sequence; |
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use Cycle\ORM\Command\CommandInterface; |
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use Cycle\ORM\Command\ContextCarrierInterface as CC; |
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use Cycle\ORM\Heap\Node; |
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use Cycle\ORM\Promise\Collection\CollectionPromise; |
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use Cycle\ORM\Promise\PromiseInterface; |
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use Cycle\ORM\Promise\PromiseMany; |
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use Cycle\ORM\Promise\ReferenceInterface; |
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use Cycle\ORM\Relation; |
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use Doctrine\Common\Collections\ArrayCollection; |
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use Doctrine\Common\Collections\Collection; |
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/** |
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* Provides the ability to own the collection of entities. |
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*/ |
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class HasMany extends AbstractRelation |
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{ |
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/** |
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* Init relation state and entity collection. |
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* |
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* @param array $data |
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* @return array |
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*/ |
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public function init(array $data): array |
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{ |
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$result = []; |
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foreach ($data as $item) { |
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$result[] = $this->orm->make($this->target, $item, Node::MANAGED); |
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} |
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return [new ArrayCollection($result), $result]; |
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} |
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/** |
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* Convert entity data into array. |
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* |
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* @param mixed $data |
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* @return array|PromiseInterface |
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*/ |
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public function extract($data) |
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{ |
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if ($data instanceof CollectionPromise && !$data->isInitialized()) { |
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return $data->getPromise(); |
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} |
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if ($data instanceof Collection) { |
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return $data->toArray(); |
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} |
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return is_array($data) ? $data : []; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function initPromise(Node $parentNode): array |
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{ |
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if (empty($innerKey = $this->fetchKey($parentNode, $this->innerKey))) { |
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return [new ArrayCollection(), null]; |
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} |
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$p = new PromiseMany( |
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$this->orm, |
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$this->target, |
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[ |
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$this->outerKey => $innerKey |
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], |
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$this->schema[Relation::WHERE] ?? [] |
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); |
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$p->setConstrain($this->getConstrain()); |
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return [new CollectionPromise($p), $p]; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function queue(CC $parentStore, $parentEntity, Node $parentNode, $related, $original): CommandInterface |
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{ |
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if ($related instanceof ReferenceInterface) { |
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$related = $this->resolve($related); |
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} |
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if ($original instanceof ReferenceInterface) { |
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$original = $this->resolve($original); |
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} |
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$sequence = new Sequence(); |
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foreach ($related as $item) { |
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$sequence->addCommand($this->queueStore($parentNode, $item)); |
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} |
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foreach ($this->calcDeleted($related, $original ?? []) as $item) { |
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$sequence->addCommand($this->queueDelete($item)); |
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} |
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return $sequence; |
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} |
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/** |
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* Return objects which are subject of removal. |
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* |
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* @param array $related |
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* @param array $original |
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* @return array |
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*/ |
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protected function calcDeleted(array $related, array $original) |
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{ |
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return array_udiff($original ?? [], $related, function ($a, $b) { |
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return strcmp(spl_object_hash($a), spl_object_hash($b)); |
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}); |
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} |
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/** |
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* Persist related object. |
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* |
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* @param Node $parentNode |
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* @param object $related |
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* @return CC |
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*/ |
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protected function queueStore(Node $parentNode, $related): CC |
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{ |
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$relStore = $this->orm->queueStore($related); |
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$relNode = $this->getNode($related, +1); |
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$this->assertValid($relNode); |
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$this->forwardContext($parentNode, $this->innerKey, $relStore, $relNode, $this->outerKey); |
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return $relStore; |
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} |
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/** |
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* Remove one of related objects. |
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* |
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* @param object $related |
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* @return CommandInterface |
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*/ |
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protected function queueDelete($related): CommandInterface |
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{ |
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$relNode = $this->getNode($related); |
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return new Condition($this->orm->queueDelete($related), function () use ($relNode) { |
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return !$relNode->getState()->hasClaims(); |
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}); |
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} |
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} |
cycle /
orm
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