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<?php |
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/** |
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* Date: 03.11.16 |
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* |
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* @author Portey Vasil <[email protected]> |
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*/ |
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namespace Youshido\GraphQL\Validator\ResolveValidator; |
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use Youshido\GraphQL\Exception\ResolveException; |
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use Youshido\GraphQL\Execution\Context\ExecutionContext; |
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use Youshido\GraphQL\Execution\Request; |
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use Youshido\GraphQL\Field\FieldInterface; |
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use Youshido\GraphQL\Field\InputField; |
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use Youshido\GraphQL\Parser\Ast\Interfaces\FieldInterface as AstFieldInterface; |
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use Youshido\GraphQL\Type\AbstractType; |
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use Youshido\GraphQL\Type\InterfaceType\AbstractInterfaceType; |
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use Youshido\GraphQL\Type\Object\AbstractObjectType; |
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use Youshido\GraphQL\Type\TypeMap; |
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use Youshido\GraphQL\Type\TypeService; |
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use Youshido\GraphQL\Type\Union\AbstractUnionType; |
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class ResolveValidator implements ResolveValidatorInterface |
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{ |
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/** @var ExecutionContext */ |
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private $executionContext; |
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/** |
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* ResolveValidator constructor. |
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* |
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* @param ExecutionContext $executionContext |
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*/ |
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public function __construct(ExecutionContext $executionContext) |
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{ |
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$this->executionContext = $executionContext; |
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} |
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public function assetTypeHasField(AbstractType $objectType, AstFieldInterface $ast) |
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{ |
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/** @var AbstractObjectType $objectType */ |
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if ($this->executionContext->getField($objectType, $ast->getName()) !== null) { |
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return; |
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} |
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if (!(TypeService::isObjectType($objectType) || TypeService::isInputObjectType($objectType)) || !$objectType->hasField($ast->getName())) { |
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$availableFieldNames = implode(', ', array_map(function (FieldInterface $field) { |
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return sprintf('"%s"', $field->getName()); |
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}, $objectType->getFields())); |
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throw new ResolveException(sprintf('Field "%s" not found in type "%s". Available fields are: %s', $ast->getName(), $objectType->getNamedType()->getName(), $availableFieldNames), $ast->getLocation()); |
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} |
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} |
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public function assertValidArguments(FieldInterface $field, AstFieldInterface $query, Request $request) |
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{ |
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$requiredArguments = array_filter($field->getArguments(), function (InputField $argument) { |
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return $argument->getType()->getKind() === TypeMap::KIND_NON_NULL; |
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}); |
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foreach ($query->getArguments() as $astArgument) { |
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if (!$field->hasArgument($astArgument->getName())) { |
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throw new ResolveException(sprintf('Unknown argument "%s" on field "%s"', $astArgument->getName(), $field->getName()), $astArgument->getLocation()); |
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} |
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$argument = $field->getArgument($astArgument->getName()); |
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$argumentType = $argument->getType()->getNullableType(); |
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switch ($argumentType->getKind()) { |
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case TypeMap::KIND_ENUM: |
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case TypeMap::KIND_SCALAR: |
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case TypeMap::KIND_INPUT_OBJECT: |
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case TypeMap::KIND_LIST: |
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if (!$argument->getType()->isValidValue($astArgument->getValue())) { |
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$error = $argument->getType()->getValidationError($astArgument->getValue()) ?: '(no details available)'; |
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throw new ResolveException(sprintf('Not valid type for argument "%s" in query "%s": %s', $astArgument->getName(), $field->getName(), $error), $astArgument->getLocation()); |
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} |
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break; |
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default: |
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throw new ResolveException(sprintf('Invalid argument type "%s"', $argumentType->getName())); |
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} |
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if (array_key_exists($astArgument->getName(), $requiredArguments) || $argument->getConfig()->get('defaultValue') !== null) { |
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unset($requiredArguments[$astArgument->getName()]); |
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} |
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} |
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if (count($requiredArguments)) { |
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throw new ResolveException(sprintf('Require "%s" arguments to query "%s"', implode(', ', array_keys($requiredArguments)), $query->getName())); |
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} |
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} |
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public function assertValidResolvedValueForField(FieldInterface $field, $resolvedValue) |
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{ |
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if (null === $resolvedValue && $field->getType()->getKind() === TypeMap::KIND_NON_NULL) { |
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throw new ResolveException(sprintf('Cannot return null for non-nullable field "%s"', $field->getName())); |
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} |
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$nullableFieldType = $field->getType()->getNullableType(); |
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if (!$nullableFieldType->isValidValue($resolvedValue)) { |
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$error = $nullableFieldType->getValidationError($resolvedValue) ?: '(no details available)'; |
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throw new ResolveException(sprintf('Not valid resolved type for field "%s": %s', $field->getName(), |
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$error)); |
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} |
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} |
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public function assertTypeImplementsInterface(AbstractType $type, AbstractInterfaceType $interface) |
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{ |
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if ($type instanceof AbstractObjectType) { |
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foreach ($type->getInterfaces() as $typeInterface) { |
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if ($typeInterface->getName() === $interface->getName()) { |
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return; |
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} |
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} |
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} |
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throw new ResolveException(sprintf('Type "%s" does not implement "%s"', $type->getName(), $interface->getName())); |
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} |
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public function assertTypeInUnionTypes(AbstractType $type, AbstractUnionType $unionType) |
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{ |
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foreach ($unionType->getTypes() as $unionTypeItem) { |
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if ($unionTypeItem->getName() === $type->getName()) { |
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return; |
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} |
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} |
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throw new ResolveException(sprintf('Type "%s" not exist in types of "%s"', $type->getName(), $unionType->getName())); |
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} |
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} |
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Youshido /
GraphQL
