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<?php |
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namespace LAG\AdminBundle\Bridge\Doctrine\ORM\Metadata; |
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use Doctrine\Common\Persistence\Mapping\ClassMetadata; |
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use Doctrine\ORM\EntityManagerInterface; |
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use Doctrine\ORM\Mapping\ClassMetadataInfo; |
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use Exception; |
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use LAG\AdminBundle\Field\Definition\FieldDefinition; |
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class MetadataHelper implements MetadataHelperInterface |
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{ |
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/** |
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* @var EntityManagerInterface |
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*/ |
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private $entityManager; |
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public function __construct(EntityManagerInterface $entityManager) |
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{ |
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$this->entityManager = $entityManager; |
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} |
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public function getFields(string $entityClass): array |
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{ |
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$metadata = $this->entityManager->getClassMetadata($entityClass); |
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// As the Doctrine ClassMetadata interface does not expose any properties, we should check the instance of the |
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// returned metadata class to respect the good practices |
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if (!$metadata instanceof ClassMetadataInfo) { |
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return []; |
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} |
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$fieldNames = (array) $metadata->fieldNames; |
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$fields = []; |
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foreach ($fieldNames as $fieldName) { |
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// Remove the primary key field if it's not managed manually |
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if (!$metadata->isIdentifierNatural() && in_array($fieldName, $metadata->identifier)) { |
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continue; |
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} |
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$mapping = $metadata->getFieldMapping($fieldName); |
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$formOptions = []; |
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// When a field is defined as nullable in the Doctrine entity configuration, the associated form field |
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// should not be required neither |
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if (key_exists('nullable', $mapping) && true === $mapping['nullable']) { |
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$formOptions['required'] = false; |
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} |
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$fields[$fieldName] = new FieldDefinition($metadata->getTypeOfField($fieldName), [], $formOptions); |
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} |
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foreach ($metadata->associationMappings as $fieldName => $relation) { |
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$formOptions = []; |
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$formType = 'choice'; |
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if (ClassMetadataInfo::MANY_TO_MANY === $relation['type']) { |
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$formOptions['expanded'] = true; |
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$formOptions['multiple'] = true; |
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} |
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if ($this->isJoinColumnNullable($relation)) { |
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$formOptions['required'] = false; |
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} |
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$fields[$fieldName] = new FieldDefinition($formType, [], $formOptions); |
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} |
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return $fields; |
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} |
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/** |
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* Return the Doctrine metadata of the given class. |
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* |
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* @param $class |
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* |
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* @return ClassMetadata|null |
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*/ |
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public function findMetadata($class): ?ClassMetadata |
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{ |
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$metadata = null; |
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try { |
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// We could not use the hasMetadataFor() method as it is not working if the entity is not loaded. But |
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// the getMetadataFor() method could throw an exception if the class is not found |
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$metadata = $this->entityManager->getMetadataFactory()->getMetadataFor($class); |
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} catch (Exception $exception) { |
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// If an exception is raised, nothing to do. Extra data from metadata will be not used. |
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} |
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return $metadata; |
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} |
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private function isJoinColumnNullable(array $relation) |
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{ |
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if (!key_exists('joinColumns', $relation)) { |
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return false; |
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} |
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if (!key_exists('nullable', $relation['joinColumns'])) { |
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return false; |
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} |
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return false === $relation['joinColumns']['nullable']; |
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} |
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} |
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larriereguichet /
AdminBundle
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