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<?php |
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/* |
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* This file is a part of graphql-youshido project. |
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* |
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* @author Alexandr Viniychuk <[email protected]> |
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* created: 11/28/15 2:25 AM |
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*/ |
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namespace Youshido\GraphQL\Validator\ConfigValidator; |
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use Youshido\GraphQL\Config\AbstractConfig; |
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use Youshido\GraphQL\Exception\ConfigurationException; |
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use Youshido\GraphQL\Exception\ValidationException; |
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use Youshido\GraphQL\Validator\ConfigValidator\Rules\TypeValidationRule; |
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use Youshido\GraphQL\Validator\ConfigValidator\Rules\ValidationRuleInterface; |
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use Youshido\GraphQL\Validator\ErrorContainer\ErrorContainerTrait; |
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class ConfigValidator implements ConfigValidatorInterface |
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{ |
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use ErrorContainerTrait; |
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protected $rules = []; |
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protected $extraFieldsAllowed = false; |
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/** @var ValidationRuleInterface[] */ |
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protected $validationRules = []; |
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/** @var ConfigValidator */ |
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protected static $instance; |
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private function __construct() |
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{ |
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$this->initializeRules(); |
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} |
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/** |
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* @return ConfigValidator |
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*/ |
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public static function getInstance() |
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{ |
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if (empty(self::$instance)) { |
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self::$instance = new self(); |
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} |
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self::$instance->clearErrors(); |
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return self::$instance; |
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} |
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public function assertValidConfig(AbstractConfig $config) |
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{ |
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if (!$this->isValidConfig($config)) { |
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throw new ConfigurationException('Config is not valid for ' . ($config->getContextObject() ? get_class($config->getContextObject()) : null) . "\n" . implode("\n", $this->getErrorsArray(false))); |
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} |
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} |
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public function isValidConfig(AbstractConfig $config) |
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{ |
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return $this->validate($config->getData(), $this->getConfigFinalRules($config), $config->isExtraFieldsAllowed()); |
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} |
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protected function getConfigFinalRules(AbstractConfig $config) |
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{ |
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$rules = $config->getRules(); |
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View Code Duplication |
if ($config->isFinalClass()) { |
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foreach ($rules as $name => $info) { |
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if (!empty($info['final'])) { |
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$rules[$name]['required'] = true; |
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} |
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} |
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} |
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return $rules; |
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} |
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public function validate($data, $rules = [], $extraFieldsAllowed = null) |
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{ |
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if ($extraFieldsAllowed !== null) $this->setExtraFieldsAllowed($extraFieldsAllowed); |
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$processedFields = []; |
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foreach ($rules as $fieldName => $fieldRules) { |
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$processedFields[] = $fieldName; |
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/** Custom validation of 'required' property */ |
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if (array_key_exists('required', $fieldRules)) { |
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unset($fieldRules['required']); |
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if (!array_key_exists($fieldName, $data)) { |
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$this->addError(new ValidationException(sprintf('Field "%s" is required', $fieldName))); |
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continue; |
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} |
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} elseif (!array_key_exists($fieldName, $data)) { |
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continue; |
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} |
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if (!empty($fieldRules['final'])) unset($fieldRules['final']); |
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/** Validation of all other rules*/ |
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foreach ($fieldRules as $ruleName => $ruleInfo) { |
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if (!array_key_exists($ruleName, $this->validationRules)) { |
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$this->addError(new ValidationException(sprintf('Field "%s" has invalid rule "%s"', $fieldName, $ruleInfo))); |
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continue; |
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} |
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if (!$this->validationRules[$ruleName]->validate($data[$fieldName], $ruleInfo)) { |
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$this->addError(new ValidationException(sprintf('Field "%s" expected to be "%s" but got "%s"', $fieldName, $ruleName, gettype($data[$fieldName])))); |
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} |
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} |
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} |
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if (!$this->isExtraFieldsAllowed()) { |
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foreach (array_keys($data) as $fieldName) { |
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if (!in_array($fieldName, $processedFields)) { |
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$this->addError(new ValidationException(sprintf('Field "%s" is not expected', $fieldName))); |
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} |
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} |
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} |
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return $this->isValid(); |
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} |
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protected function initializeRules() |
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{ |
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$this->validationRules['type'] = new TypeValidationRule($this); |
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} |
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public function addRule($name, ValidationRuleInterface $rule) |
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{ |
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$this->validationRules[$name] = $rule; |
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} |
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public function isValid() |
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{ |
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return !$this->hasErrors(); |
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} |
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/** |
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* @return boolean |
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*/ |
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public function isExtraFieldsAllowed() |
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{ |
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return $this->extraFieldsAllowed; |
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} |
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/** |
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* @param boolean $extraFieldsAllowed |
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* |
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* @return ConfigValidator |
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*/ |
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public function setExtraFieldsAllowed($extraFieldsAllowed) |
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{ |
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$this->extraFieldsAllowed = $extraFieldsAllowed; |
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return $this; |
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} |
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} |
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Youshido /
GraphQL
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.