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<?php |
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namespace TheCodingMachine\Tdbm\GraphQL; |
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use Psr\Container\ContainerInterface; |
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use Youshido\GraphQL\Type\InputObject\InputObjectType; |
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use Youshido\GraphQL\Type\Object\AbstractObjectType; |
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use Youshido\GraphQL\Type\TypeInterface; |
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abstract class AbstractTdbmGraphQLTypeMapper |
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{ |
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/** |
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* @var ContainerInterface |
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*/ |
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private $container; |
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/** |
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* Returns an array mapping PHP classes to GraphQL types. |
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* |
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* @return array |
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*/ |
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abstract protected function getMap(): array; |
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public function __construct(ContainerInterface $container) |
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{ |
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$this->container = $container; |
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} |
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/** |
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* Maps a PHP fully qualified class name to a GraphQL type. |
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* |
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* @param string $className |
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* @return TypeInterface |
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* @throws GraphQLException |
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*/ |
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public function mapClassToType(string $className): TypeInterface |
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{ |
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$map = $this->getMap(); |
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if (!isset($map[$className])) { |
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throw new GraphQLException("Unable to map class $className to any known GraphQL type."); |
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} |
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return $this->container->get($map[$className]); |
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} |
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/** |
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* Maps a PHP fully qualified class name to a GraphQL input type. |
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* |
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* @param string $className |
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* @return InputTypeInterface |
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* @throws GraphQLException |
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*/ |
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public function mapClassToInputType(string $className): InputTypeInterface |
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{ |
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// Let's create the input type "on the fly"! |
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$type = $this->mapClassToType($className); |
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if ($type instanceof AbstractObjectType) { |
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throw new GraphQLException('Cannot map a type to input type if it does not extend the AbstractObjectType class'); |
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} |
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return new InputObjectType([ |
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'name' => $type->getName().'Input', |
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'fields' => $type->getFields() |
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]); |
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} |
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} |
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thecodingmachine /
tdbm-graphql
