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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\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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use Youshido\GraphQL\Validator\Exception\ValidationException; |
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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 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
