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<?php |
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namespace TheCodingMachine\GraphQL\Controllers\Types; |
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use function get_class; |
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use GraphQL\Type\Definition\FieldDefinition; |
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use GraphQL\Type\Definition\InputObjectType; |
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use GraphQL\Type\Definition\ListOfType; |
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use GraphQL\Type\Definition\NonNull; |
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use GraphQL\Type\Definition\OutputType; |
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use GraphQL\Type\Definition\Type; |
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use ReflectionMethod; |
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use TheCodingMachine\GraphQL\Controllers\FieldsBuilderFactory; |
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use TheCodingMachine\GraphQL\Controllers\GraphQLException; |
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use TheCodingMachine\GraphQL\Controllers\Hydrators\HydratorInterface; |
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use TheCodingMachine\GraphQL\Controllers\Mappers\RecursiveTypeMapperInterface; |
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use TheCodingMachine\GraphQL\Controllers\Types\DateTimeType; |
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/** |
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* A GraphQL input object that can be resolved using a factory |
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*/ |
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class ResolvableInputObjectType extends InputObjectType implements ResolvableInputInterface |
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{ |
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/** |
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* @var HydratorInterface |
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*/ |
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private $hydrator; |
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/** |
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* @var callable&array<int, object|string> |
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*/ |
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private $resolve; |
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/** |
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* QueryField constructor. |
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* @param string $name |
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* @param FieldsBuilderFactory $controllerQueryProviderFactory |
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* @param RecursiveTypeMapperInterface $recursiveTypeMapper |
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* @param object $factory |
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* @param string $methodName |
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* @param HydratorInterface $hydrator |
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* @param null|string $comment |
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* @param array $additionalConfig |
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*/ |
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public function __construct(string $name, FieldsBuilderFactory $controllerQueryProviderFactory, RecursiveTypeMapperInterface $recursiveTypeMapper, $factory, string $methodName, HydratorInterface $hydrator, ?string $comment, array $additionalConfig = []) |
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{ |
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$this->hydrator = $hydrator; |
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$this->resolve = [ $factory, $methodName ]; |
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$fields = function() use ($controllerQueryProviderFactory, $factory, $methodName, $recursiveTypeMapper) { |
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$method = new ReflectionMethod($factory, $methodName); |
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$fieldProvider = $controllerQueryProviderFactory->buildFieldsBuilder($recursiveTypeMapper); |
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return $fieldProvider->getInputFields($method); |
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}; |
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$config = [ |
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'name' => $name, |
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'fields' => $fields, |
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]; |
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if ($comment) { |
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$config['description'] = $comment; |
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} |
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$config += $additionalConfig; |
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parent::__construct($config); |
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} |
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/** |
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* @param array $args |
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* @return object |
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*/ |
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public function resolve(array $args) |
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{ |
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$toPassArgs = []; |
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foreach ($this->getFields() as $name => $field) { |
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$type = $field->getType(); |
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if (isset($args[$name])) { |
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$val = $args[$name]; |
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$type = $this->stripNonNullType($type); |
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if ($type instanceof ListOfType) { |
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$subtype = $this->stripNonNullType($type->getWrappedType()); |
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$val = array_map(function ($item) use ($subtype) { |
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if ($subtype instanceof DateTimeType) { |
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return new \DateTimeImmutable($item); |
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} elseif ($subtype instanceof InputObjectType) { |
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return $this->hydrator->hydrate($item, $subtype); |
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} |
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return $item; |
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}, $val); |
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} elseif ($type instanceof DateTimeType) { |
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$val = new \DateTimeImmutable($val); |
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} elseif ($type instanceof InputObjectType) { |
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$val = $this->hydrator->hydrate($val, $type); |
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} |
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} elseif ($field->defaultValueExists()) { |
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$val = $field->defaultValue; |
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} else { |
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throw new GraphQLException("Expected argument '$name' was not provided in GraphQL input type '".$this->name."' used in factory '".get_class($this->resolve[0]).'::'.$this->resolve[1]."()'"); |
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} |
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$toPassArgs[] = $val; |
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} |
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$resolve = $this->resolve; |
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return $resolve(...$toPassArgs); |
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} |
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private function stripNonNullType(Type $type): Type |
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{ |
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if ($type instanceof NonNull) { |
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return $this->stripNonNullType($type->getWrappedType()); |
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} |
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return $type; |
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} |
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} |
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thecodingmachine /
graphql-controllers
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