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<?php |
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namespace Logikos\Util\Config\Field; |
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use Logikos\Util\Config\Field as FieldInterface; |
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use Logikos\Util\Config\Field\Validation\Result as ValidationResult; |
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use Logikos\Util\Config\Field\Validation\Validator; |
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class Field implements FieldInterface { |
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protected $name; |
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protected $messages = []; |
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/** @var Validator[] */ |
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protected $validators = []; |
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public function __construct($name) { |
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if (!$this->isValidName($name)) |
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throw new InvalidFieldNameException(); |
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$this->name = $name; |
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} |
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public static function withValidators($name, Validator ...$validators) { |
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$field = new static($name); |
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$field->validators = $validators; |
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return $field; |
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} |
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public function isRequired() : bool { |
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return true; |
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} |
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public function getName() { |
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return $this->name; |
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} |
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public function addPattern($pattern, $description) { |
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$this->addValidator(new Validator\Regex($pattern, $description)); |
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} |
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public function addCallable(callable $callable, $description) { |
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$this->addValidator(new Validator\Callback($callable, $description)); |
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} |
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public function addValidator(Validator $validator) { |
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array_push($this->validators, $validator); |
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} |
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public function validate($value): ValidationResult { |
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if ($this->isRequiredOrNotEmpty($value)) |
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$this->runValidators($value); |
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if ($this->isRequiredAndEmpty($value) && count($this->messages) === 0) |
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$this->addMessage('Required'); |
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return $this->validationResult(); |
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} |
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protected function isRequiredAndEmpty($value) { |
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return $this->isRequired() && $this->isEmpty($value); |
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} |
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protected function isRequiredOrNotEmpty($value) { |
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return $this->isRequired() || $this->isNotEmpty($value); |
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} |
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protected function addMessage($message) { |
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array_push($this->messages, $message); |
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} |
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protected function validationResult() { |
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$result = count($this->messages) |
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? new Validation\InvalidResult($this->messages) |
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: new Validation\ValidResult(); |
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$this->resetMessages(); |
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return $result; |
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} |
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protected function resetMessages() { |
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$this->messages = []; |
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} |
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protected function isEmpty($value) { |
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return is_null($value) || $value === ''; |
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} |
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protected function isNotEmpty($value) { |
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return !$this->isEmpty($value); |
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} |
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protected function runValidators($value) { |
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foreach ($this->validators as $validator) { |
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if (!$validator->validate($value)) |
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$this->addMessage($validator->getDescription()); |
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} |
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} |
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private function isValidName($name) { |
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return is_int($name) |
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|| is_string($name) |
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&& !empty($name); |
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} |
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} |
logikostech /
util
