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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 Countable; |
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use Yiisoft\Validator\Exception\UnexpectedRuleException; |
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use Yiisoft\Validator\Formatter; |
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use Yiisoft\Validator\FormatterInterface; |
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use Yiisoft\Validator\Result; |
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use Yiisoft\Validator\ValidationContext; |
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use function count; |
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/** |
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* Validates that the value contains certain number of items. Can be applied to arrays or classes implementing |
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* {@see Countable} interface. |
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*/ |
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final class CountHandler implements RuleHandlerInterface |
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{ |
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private FormatterInterface $formatter; |
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public function __construct(?FormatterInterface $formatter = null) |
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{ |
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$this->formatter = $formatter ?? new Formatter(); |
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} |
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public function validate(mixed $value, object $rule, ?ValidationContext $context = null): Result |
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{ |
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if (!$rule instanceof Count) { |
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throw new UnexpectedRuleException(Count::class, $rule); |
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} |
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$result = new Result(); |
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if (!is_countable($value)) { |
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$formattedMessage = $this->formatter->format( |
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$rule->getMessage(), |
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['attribute' => $context?->getAttribute(), 'value' => $value] |
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); |
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$result->addError($formattedMessage); |
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return $result; |
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} |
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$count = count($value); |
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if ($rule->getExactly() !== null && $count !== $rule->getExactly()) { |
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$formattedMessage = $this->formatter->format( |
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$rule->getNotExactlyMessage(), |
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['exactly' => $rule->getExactly(), 'attribute' => $context?->getAttribute(), 'value' => $value] |
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); |
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$result->addError($formattedMessage); |
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return $result; |
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} |
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if ($rule->getMin() !== null && $count < $rule->getMin()) { |
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$formattedMessage = $this->formatter->format( |
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$rule->getTooFewItemsMessage(), |
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['min' => $rule->getMin(), 'attribute' => $context?->getAttribute(), 'value' => $value] |
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); |
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$result->addError($formattedMessage); |
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} |
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if ($rule->getMax() !== null && $count > $rule->getMax()) { |
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$formattedMessage = $this->formatter->format( |
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$rule->getTooManyItemsMessage(), |
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['max' => $rule->getMax(), 'attribute' => $context?->getAttribute(), 'value' => $value] |
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); |
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$result->addError($formattedMessage); |
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} |
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return $result; |
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} |
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} |
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yiisoft /
validator
