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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 TheCodingMachine\GraphQL\Controllers\TypeMapperInterface; |
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use Youshido\GraphQL\Type\InputObject\InputObjectType; |
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use Youshido\GraphQL\Type\InputTypeInterface; |
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use Youshido\GraphQL\Type\ListType\ListType; |
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use Youshido\GraphQL\Type\NonNullType; |
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use Youshido\GraphQL\Type\Object\AbstractObjectType; |
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use Youshido\GraphQL\Type\TypeInterface; |
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use Youshido\GraphQL\Type\TypeMap; |
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abstract class AbstractTdbmGraphQLTypeMapper implements TypeMapperInterface |
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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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* @var \SplObjectStorage |
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*/ |
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private $typeToInputTypes; |
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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 = $container; |
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$this->typeToInputTypes = new \SplObjectStorage(); |
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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 (!$type instanceof AbstractObjectType) { |
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throw new GraphQLException('Cannot map a type to input type if it does not extend the AbstractObjectType class. Type passed: '.get_class($type)); |
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} |
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return $this->mapTypeToInputType($type); |
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} |
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private function mapTypeToInputType(TypeInterface $type): InputTypeInterface |
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{ |
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if ($type instanceof ListType) { |
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return new ListType($this->mapTypeToInputType($type->getItemType())); |
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} |
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/*if ($type instanceof NonNullType) { |
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return new NonNullType($this->mapTypeToInputType($type->getNullableType())); |
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}*/ |
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// We drop the non null in the input fields |
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if ($type instanceof NonNullType) { |
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return $this->mapTypeToInputType($type->getNullableType()); |
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} |
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if (!$type instanceof AbstractObjectType) { |
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return $type; |
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} |
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if (isset($this->typeToInputTypes[$type])) { |
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return $this->typeToInputTypes[$type]; |
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} |
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$inputType = new InputObjectType([ |
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'name' => $type->getName().'Input' |
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]); |
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$this->typeToInputTypes->attach($type, $inputType); |
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$inputFields = array_map(function (\Youshido\GraphQL\Field\FieldInterface $field) { |
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$type = $field->getType(); |
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/*if ($type instanceof NonNullType) { |
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return new NonNullType($this->mapTypeToInputType($type->getNullableType())); |
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} |
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if ($type instanceof ListType) { |
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return new ListType($this->mapTypeToInputType($type->getItemType())); |
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} |
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if ($type->getKind() !== TypeMap::KIND_OBJECT) { |
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return $field; |
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}*/ |
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return new \Youshido\GraphQL\Field\Field([ |
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'name' => $field->getName(), |
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'type' => $this->mapTypeToInputType($type), |
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]); |
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}, $type->getFields()); |
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$inputType->addFields($inputFields); |
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return $inputType; |
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} |
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} |
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thecodingmachine /
tdbm-graphql
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Sometimes obsolete code just ends up commented out instead of removed. In this case it is better to remove the code once you have checked you do not need it.
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