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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\Relations; |
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use Spiral\ORM\CommandInterface; |
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use Spiral\ORM\Commands\NullCommand; |
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use Spiral\ORM\ContextualCommandInterface; |
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use Spiral\ORM\Entities\Relations\Traits\LookupTrait; |
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use Spiral\ORM\Exceptions\RelationException; |
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use Spiral\ORM\ORMInterface; |
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use Spiral\ORM\Record; |
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/** |
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* Similar to BelongsTo, however morph key value used to resolve parent record. Record allows |
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* mutable parent type. |
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*/ |
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class BelongsToMorphedRelation extends SingularRelation |
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{ |
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use LookupTrait; |
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/** |
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* Always saved before parent. |
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*/ |
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const LEADING_RELATION = true; |
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/** |
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* No placeholder for belongs to. |
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*/ |
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const CREATE_PLACEHOLDER = false; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getClass(): string |
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{ |
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if (empty($parentType = $this->parent->getField($this->key(Record::MORPH_KEY)))) { |
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return parent::getClass(); |
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} |
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//Resolve parent using role map |
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return $this->schema[ORMInterface::R_ROLE_NAME][$parentType]; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setRelated($value) |
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{ |
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//Make sure value is accepted |
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$this->assertValid($value); |
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$this->loaded = true; |
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$this->instance = $value; |
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} |
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/** |
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* @param ContextualCommandInterface $parentCommand |
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* |
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* @return CommandInterface |
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* |
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* @throws RelationException |
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*/ |
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public function queueCommands(ContextualCommandInterface $parentCommand): CommandInterface |
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{ |
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if (!empty($this->instance)) { |
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return $this->queueRelated($parentCommand); |
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} |
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if (!$this->schema[Record::NULLABLE]) { |
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throw new RelationException("No data presented in non nullable relation"); |
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} |
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$parentCommand->addContext($this->schema[Record::INNER_KEY], null); |
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$parentCommand->addContext($this->schema[Record::MORPH_KEY], null); |
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return new NullCommand(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function getRoles(): array |
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{ |
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return $this->schema[ORMInterface::R_ROLE_NAME]; |
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} |
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/** |
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* Store related instance |
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* |
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* @param ContextualCommandInterface $parentCommand |
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* |
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* @return ContextualCommandInterface |
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*/ |
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private function queueRelated( |
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ContextualCommandInterface $parentCommand |
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): ContextualCommandInterface { |
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//Command or command set needed to store |
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$innerCommand = $this->instance->queueStore(true); |
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if (!$this->isSynced($this->parent, $this->instance)) { |
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//Syncing FKs before primary command been executed |
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$innerCommand->onExecute(function ($innerCommand) use ($parentCommand) { |
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$parentCommand->addContext( |
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$this->key(Record::INNER_KEY), |
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$this->lookupKey(Record::OUTER_KEY, $this->parent, $innerCommand) |
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); |
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//Morph key value |
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$parentCommand->addContext( |
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$this->key(Record::MORPH_KEY), |
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$this->orm->define(get_class($this->instance), ORMInterface::R_ROLE_NAME) |
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); |
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}); |
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} |
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return $innerCommand; |
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} |
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} |
spiral /
components
