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<?php |
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declare(strict_types=1); |
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namespace ApiSkeletons\Doctrine\GraphQL\Criteria; |
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use ApiSkeletons\Doctrine\GraphQL\Config; |
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use ApiSkeletons\Doctrine\GraphQL\Criteria\Type\FiltersInputObjectType; |
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use ApiSkeletons\Doctrine\GraphQL\Type\Entity; |
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use ApiSkeletons\Doctrine\GraphQL\Type\TypeManager; |
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use Doctrine\ORM\EntityManager; |
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use Doctrine\ORM\Mapping\ClassMetadataInfo; |
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use GraphQL\Type\Definition\InputObjectType; |
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use GraphQL\Type\Definition\Type; |
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use League\Event\EventDispatcher; |
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use function array_filter; |
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use function array_keys; |
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use function count; |
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use function in_array; |
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class CriteriaFactory |
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{ |
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public function __construct( |
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protected Config $config, |
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protected EntityManager $entityManager, |
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protected TypeManager $typeManager, |
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protected EventDispatcher $eventDispatcher, |
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) { |
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} |
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/** @param mixed[]|null $associationMetadata */ |
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public function get( |
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Entity $targetEntity, |
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Entity|null $owningEntity = null, |
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string|null $associationName = null, |
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array|null $associationMetadata = null, |
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): InputObjectType { |
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$typeName = $owningEntity ? |
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$owningEntity->getTypeName() . '_' . $associationName . '_filter' |
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: $targetEntity->getTypeName() . '_filter'; |
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if ($this->typeManager->has($typeName)) { |
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return $this->typeManager->get($typeName); |
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} |
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$fields = []; |
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$entityMetadata = $targetEntity->getMetadataConfig(); |
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$allowedFilters = Filters::toArray(); |
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// Limit entity filters |
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if ($entityMetadata['excludeCriteria']) { |
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$excludeCriteria = $entityMetadata['excludeCriteria']; |
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$allowedFilters = array_filter($allowedFilters, static function ($value) use ($excludeCriteria) { |
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return ! in_array($value, $excludeCriteria); |
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}); |
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} |
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// Limit association filters |
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if ($associationName) { |
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$excludeCriteria = $associationMetadata['excludeCriteria']; |
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$allowedFilters = array_filter($allowedFilters, static function ($value) use ($excludeCriteria) { |
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return ! in_array($value, $excludeCriteria); |
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}); |
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} |
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$this->addFields($targetEntity, $typeName, $allowedFilters, $fields); |
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$this->addAssociations($targetEntity, $typeName, $allowedFilters, $fields); |
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$inputObject = new InputObjectType([ |
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'name' => $typeName, |
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'fields' => static fn () => $fields, |
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]); |
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$this->typeManager->set($typeName, $inputObject); |
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return $inputObject; |
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} |
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/** |
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* @param string[] $allowedFilters |
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* @param array<int, FiltersInputObjectType> $fields |
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*/ |
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protected function addFields(Entity $targetEntity, string $typeName, array $allowedFilters, array &$fields): void |
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{ |
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$classMetadata = $this->entityManager->getClassMetadata($targetEntity->getEntityClass()); |
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$entityMetadata = $targetEntity->getMetadataConfig(); |
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foreach ($classMetadata->getFieldNames() as $fieldName) { |
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// Only process fields that are in the graphql metadata |
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if (! in_array($fieldName, array_keys($entityMetadata['fields']))) { |
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continue; |
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} |
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$graphQLType = $this->typeManager |
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->get($entityMetadata['fields'][$fieldName]['type']); |
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if ($classMetadata->isIdentifier($fieldName)) { |
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$graphQLType = Type::id(); |
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} |
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// Limit field filters |
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if ( |
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isset($entityMetadata['fields'][$fieldName]['excludeCriteria']) |
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&& count($entityMetadata['fields'][$fieldName]['excludeCriteria']) |
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) { |
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$fieldExcludeCriteria = $entityMetadata['fields'][$fieldName]['excludeCriteria']; |
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$allowedFilters = array_filter( |
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$allowedFilters, |
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static function ($value) use ($fieldExcludeCriteria) { |
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return ! in_array($value, $fieldExcludeCriteria); |
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}, |
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); |
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} |
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$fields[$fieldName] = [ |
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'name' => $fieldName, |
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'type' => new FiltersInputObjectType($typeName, $fieldName, $graphQLType, $allowedFilters), |
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'description' => 'Filters for ' . $fieldName, |
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]; |
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} |
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} |
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/** |
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* @param string[] $allowedFilters |
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* @param array<int, FiltersInputObjectType> $fields |
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*/ |
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protected function addAssociations(Entity $targetEntity, string $typeName, array $allowedFilters, array &$fields): void |
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{ |
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$classMetadata = $this->entityManager->getClassMetadata($targetEntity->getEntityClass()); |
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$entityMetadata = $targetEntity->getMetadataConfig(); |
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// Add eq filter for to-one associations |
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foreach ($classMetadata->getAssociationNames() as $associationName) { |
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// Only process fields which are in the graphql metadata |
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if (! in_array($associationName, array_keys($entityMetadata['fields']))) { |
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continue; |
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} |
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$associationMetadata = $classMetadata->getAssociationMapping($associationName); |
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$graphQLType = Type::id(); |
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switch ($associationMetadata['type']) { |
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case ClassMetadataInfo::ONE_TO_ONE: |
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case ClassMetadataInfo::MANY_TO_ONE: |
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case ClassMetadataInfo::TO_ONE: |
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// eq filter is for association:value |
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if (in_array(Filters::EQ, $allowedFilters)) { |
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$fields[$associationName] = [ |
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'name' => $associationName, |
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'type' => new FiltersInputObjectType($typeName, $associationName, $graphQLType, ['eq']), |
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'description' => 'Filters for ' . $associationName, |
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]; |
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} |
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} |
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} |
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} |
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} |
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API-Skeletons /
doctrine-graphql
