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<?php |
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declare(strict_types=1); |
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namespace Overblog\GraphQLBundle\Transformer; |
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use GraphQL\Type\Definition\EnumType; |
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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\ResolveInfo; |
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use GraphQL\Type\Definition\Type; |
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use Overblog\GraphQLBundle\Error\InvalidArgumentError; |
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use Overblog\GraphQLBundle\Error\InvalidArgumentsError; |
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use Symfony\Component\PropertyAccess\PropertyAccess; |
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use Symfony\Component\PropertyAccess\PropertyAccessor; |
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use Symfony\Component\Validator\Validator\ValidatorInterface; |
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class ArgumentsTransformer |
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{ |
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/** |
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* @var ValidatorInterface |
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*/ |
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protected $validator; |
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/** |
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* @var array |
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*/ |
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protected $classesMap; |
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/** |
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* @var PropertyAccessor |
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*/ |
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protected $accessor; |
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public function __construct(ValidatorInterface $validator = null, $classesMap = []) |
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{ |
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$this->validator = $validator; |
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$this->accessor = PropertyAccess::createPropertyAccessor(); |
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$this->classesMap = $classesMap; |
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} |
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/** |
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* Get the PHP class for a given type. |
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* |
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* @param string $type |
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* |
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* @return object|false |
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*/ |
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private function getTypeClassInstance(string $type) |
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{ |
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$classname = isset($this->classesMap[$type]) ? $this->classesMap[$type]['class'] : false; |
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return $classname ? new $classname() : false; |
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} |
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/** |
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* Extract given type from Resolve Info. |
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* |
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* @param string $type |
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* @param ResolveInfo $info |
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* |
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* @return Type |
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*/ |
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private function getType(string $type, ResolveInfo $info): Type |
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{ |
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return $info->schema->getType($type); |
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} |
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/** |
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* Populate an object based on type with given data. |
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* |
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* @param Type $type |
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* @param mixed $data |
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* @param bool $multiple |
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* @param ResolveInfo $info |
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* |
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* @return mixed |
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*/ |
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private function populateObject(Type $type, $data, $multiple = false, ResolveInfo $info) |
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{ |
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if (!$data) { |
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return $data; |
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} |
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if ($multiple) { |
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return \array_map(function ($data) use ($type, $info) { |
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return $this->populateObject($type, $data, false, $info); |
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}, $data); |
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} |
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if ($type instanceof EnumType) { |
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$instance = $this->getTypeClassInstance($type->name); |
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if ($instance) { |
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$this->accessor->setValue($instance, 'value', $data); |
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return $instance; |
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} else { |
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return $data; |
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} |
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} elseif ($type instanceof InputObjectType) { |
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$instance = $this->getTypeClassInstance($type->name); |
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if (!$instance) { |
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return $data; |
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} |
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$fields = $type->getFields(); |
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foreach ($fields as $name => $field) { |
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$fieldData = $this->accessor->getValue($data, \sprintf('[%s]', $name)); |
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if ($field->getType() instanceof ListOfType) { |
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$fieldValue = $this->populateObject($field->getType()->getWrappedType(), $fieldData, true, $info); |
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} else { |
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$fieldValue = $this->populateObject($field->getType(), $fieldData, false, $info); |
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} |
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$this->accessor->setValue($instance, $name, $fieldValue); |
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} |
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return $instance; |
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} else { |
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return $data; |
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} |
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} |
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/** |
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* Given a GraphQL type and an array of data, populate corresponding object recursively |
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* using annoted classes. |
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* |
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* @param string $argType |
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* @param mixed $data |
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* @param ResolveInfo $info |
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* |
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* @return mixed |
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*/ |
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public function getInstanceAndValidate(string $argType, $data, ResolveInfo $info, string $argName) |
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{ |
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$isRequired = '!' === $argType[\strlen($argType) - 1]; |
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$isMultiple = '[' === $argType[0]; |
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$endIndex = ($isRequired ? 1 : 0) + ($isMultiple ? 1 : 0); |
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$type = \substr($argType, $isMultiple ? 1 : 0, $endIndex > 0 ? -$endIndex : \strlen($argType)); |
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$result = $this->populateObject($this->getType($type, $info), $data, $isMultiple, $info); |
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$errors = []; |
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if (\is_object($result) && $this->validator) { |
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$errors = $this->validator->validate($result); |
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} |
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if (\count($errors) > 0) { |
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throw new InvalidArgumentError($argName, $errors); |
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} else { |
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return $result; |
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} |
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} |
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/** |
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* Transform a list of arguments into their corresponding php class and validate them. |
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* |
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* @param array $mapping |
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* @param mixed $data |
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* @param ResolveInfo $info |
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* |
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* @return array |
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*/ |
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public function getArguments(array $mapping, $data, ResolveInfo $info) |
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{ |
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$args = []; |
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$exceptions = []; |
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foreach ($mapping as $name => $type) { |
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try { |
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$value = $this->getInstanceAndValidate($type, $data[$name], $info, $name); |
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$args[] = $value; |
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} catch (InvalidArgumentError $exception) { |
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$exceptions[] = $exception; |
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} |
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} |
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if (!empty($exceptions)) { |
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throw new InvalidArgumentsError($exceptions); |
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} |
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return $args; |
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} |
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} |
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overblog /
GraphQLBundle
Loading history...
This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces.
This is most likely a typographical error or the method has been renamed.