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<?php |
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namespace Cube\SilverStripe\Validation; |
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use Exception; |
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/** |
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* Class Validator |
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* @package Cube\SilverStripe\Validation |
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*/ |
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class Validator |
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{ |
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/** |
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* @var array |
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*/ |
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private $data; |
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/** |
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* @var array |
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*/ |
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private $rules; |
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/** |
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* @var |
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*/ |
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private $customMessages = []; |
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/** |
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* @var array |
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*/ |
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private $errors = []; |
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/** |
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* Validator constructor. |
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* |
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* @param array $data |
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* @param array $rules |
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*/ |
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public function __construct(array $data = [], array $rules = []) |
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{ |
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$this->data = $data; |
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$this->rules = ValidationRuleParser::make($rules)->getData(); |
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} |
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/** |
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* Validate |
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* @throws Exception |
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*/ |
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public function validate() |
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{ |
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foreach ($this->rules as $field => $rules) { |
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foreach ($rules as $rule => $arguments) { |
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$this->validateField($rule, $field, $arguments); |
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} |
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} |
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return count($this->errors()) === 0; |
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} |
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/** |
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* @param array $messages |
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*/ |
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public function setCustomMessages(array $messages) |
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{ |
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$this->customMessages = $messages; |
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} |
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/** |
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* @param string $rule |
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* @param string $field |
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* @param array $arguments |
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* @throws Exception |
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*/ |
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private function validateField(string $rule, string $field, array $arguments = []) |
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{ |
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$validationRule = ValidationRules::get($rule); |
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$value = $this->getValue($field); |
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if (!$validationRule->passes($value, $arguments)) { |
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// The value did not meet the rules requirements |
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$this->addError($rule, $field, $arguments); |
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} |
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} |
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/** |
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* @param string $rule |
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* @param string $field |
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* @param array $arguments |
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*/ |
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private function addError(string $rule, string $field, array $arguments = []) |
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{ |
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$arguments = count($arguments) > 0 ? [$rule => $arguments[0]] : []; |
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$message = MessageProvider::make($rule, $field, $arguments, $this->customMessages); |
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$this->errors[$field][] = $message->get(); |
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} |
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/** |
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* @param string $field |
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* @return array |
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*/ |
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public function errors(string $field = '') |
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{ |
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if ($field && isset($this->errors[$field])) { |
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return $this->errors[$field]; |
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} |
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return $this->errors; |
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} |
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/** |
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* @param string $field |
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* @return mixed|null |
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*/ |
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private function getValue(string $field) |
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{ |
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return isset($this->data[$field]) ? $this->data[$field] : null; |
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} |
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/** |
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* @param array $data |
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* @param array $rules |
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* @return static |
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*/ |
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public static function make(array $data = [], array $rules = []) |
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{ |
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return new static($data, $rules); |
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} |
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} |
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cubenl /
silverstripe-validation
