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<?php |
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namespace Vvval\Spiral\Validation\Checkers; |
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use Spiral\ORM\Entities\RecordSource; |
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use Spiral\ORM\RecordInterface; |
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use Spiral\Validation\Prototypes\AbstractChecker; |
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class EntityChecker extends AbstractChecker |
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{ |
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/** |
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* Default error messages associated with checker method by name. |
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* {@inheritdoc} |
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*/ |
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const MESSAGES = [ |
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'isUnique' => '[[Must be unique value.]]', |
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]; |
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/** |
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* Check if current value is unique. |
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* |
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* @param mixed $value |
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* @param string $sourceClass |
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* @param string $field |
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* |
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* @return bool |
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* @throws \Psr\Container\ContainerExceptionInterface |
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* @throws \Psr\Container\NotFoundExceptionInterface |
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* @throws \Spiral\Models\Exceptions\EntityExceptionInterface |
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*/ |
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public function isUnique($value, string $sourceClass, string $field): bool |
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{ |
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$entity = $this->getEntity(); |
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//Entity is passed and its value hasn't changed. |
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if (!empty($entity) && $entity->getField($field) === $value) { |
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return true; |
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} |
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$source = $this->getSource($sourceClass); |
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//Another entity in database with same field value will cause error. |
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return !$this->hasAnotherEntity($source, $field, $value); |
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} |
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/** |
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* Fetch entity from validation context. |
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* |
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* @return RecordInterface|null |
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*/ |
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private function getEntity(): ?RecordInterface |
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{ |
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return $this->getValidator()->getContext(); |
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} |
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/** |
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* Cast record source by its class name. |
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* |
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* @param string $sourceClass |
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* |
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* @return \Spiral\ORM\Entities\RecordSource |
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* @throws \Psr\Container\ContainerExceptionInterface |
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* @throws \Psr\Container\NotFoundExceptionInterface |
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*/ |
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private function getSource(string $sourceClass): RecordSource |
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{ |
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return $this->container->get($sourceClass); |
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} |
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/** |
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* @param RecordSource $source |
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* @param string $field |
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* @param mixed $value |
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* |
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* @return bool |
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*/ |
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private function hasAnotherEntity(RecordSource $source, string $field, $value): bool |
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{ |
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return (bool)$source->findOne([$field => $value]); |
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} |
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} |
vvval /
spiral-validation-checkers
