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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Validator\Rule; |
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use InvalidArgumentException; |
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use Yiisoft\Translator\TranslatorInterface; |
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use Yiisoft\Validator\Exception\UnexpectedRuleException; |
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use Yiisoft\Validator\Result; |
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use Yiisoft\Validator\RuleHandlerInterface; |
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use Yiisoft\Validator\ValidationContext; |
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/** |
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* Can be used for early stopping the validation process of the value when the validation on the stage was failed. |
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* |
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* For example, we have several rules, but we want not to process the rest rules when fail was ocurred: |
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* |
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* ```php |
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* $request = [ |
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* 'username' => 'yiisoft', |
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* ]; |
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* ``` |
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* |
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* So to make validation we can configure it like this: |
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* |
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* ```php |
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* $rule = new Lazy([ |
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* new HasLength(min: 3), |
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* new ExistInDatabase(), // Heavy operation. It would be great not to call it if the previous rule was failed. |
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* )]; |
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* ]); |
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* ``` |
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*/ |
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final class LazyHandler implements RuleHandlerInterface |
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{ |
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public function __construct(private TranslatorInterface $translator) |
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{ |
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} |
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public function validate(mixed $value, object $rule, ValidationContext $context): Result |
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{ |
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5 |
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if (!$rule instanceof Lazy) { |
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1 |
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throw new UnexpectedRuleException(Lazy::class, $rule); |
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} |
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4 |
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if ($rule->getRules() === []) { |
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throw new InvalidArgumentException( |
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'Rules for Lazy rule are required.' |
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); |
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} |
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$compoundResult = new Result(); |
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$results = []; |
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4 |
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foreach ($rule->getRules() as $rule) { |
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$rules = [$rule]; |
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4 |
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if (is_iterable($rule)) { |
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1 |
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if (!$rule instanceof Lazy) { |
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1 |
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$rules = [new Lazy($rule)]; |
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} |
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} |
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4 |
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$lastResult = $context->getValidator()->validate($value, $rules); |
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4 |
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$results[] = $lastResult; |
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4 |
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if (!$lastResult->isValid()) { |
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3 |
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break; |
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} |
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} |
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4 |
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foreach ($results as $result) { |
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4 |
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foreach ($result->getErrors() as $error) { |
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3 |
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$compoundResult->addError($error->getMessage(), $error->getValuePath()); |
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} |
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} |
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4 |
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return $compoundResult; |
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} |
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} |
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yiisoft /
validator
