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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Validator; |
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use InvalidArgumentException; |
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use JetBrains\PhpStorm\Pure; |
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use Psr\Container\ContainerExceptionInterface; |
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use Psr\Container\NotFoundExceptionInterface; |
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use Yiisoft\Validator\DataSet\ArrayDataSet; |
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use Yiisoft\Validator\DataSet\ScalarDataSet; |
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use Yiisoft\Validator\Rule\Callback\Callback; |
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use function is_array; |
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use function is_object; |
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/** |
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* Validator validates {@link DataSetInterface} against rules set for data set attributes. |
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*/ |
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final class Validator implements ValidatorInterface |
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{ |
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public const PARAMETER_PREVIOUS_RULES_ERRORED = 'previousRulesErrored'; |
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private RuleHandlerResolverInterface $ruleHandlerResolver; |
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public function __construct(RuleHandlerResolverInterface $ruleHandlerResolver) |
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{ |
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$this->ruleHandlerResolver = $ruleHandlerResolver; |
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} |
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/** |
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* @param DataSetInterface|mixed|RulesProviderInterface $data |
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* @param iterable<RuleInterface|RuleInterface[]> $rules |
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*/ |
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public function validate($data, iterable $rules = []): Result |
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{ |
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$data = $this->normalizeDataSet($data); |
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if ($data instanceof RulesProviderInterface) { |
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$rules = $data->getRules(); |
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} |
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$context = new ValidationContext($data); |
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$compoundResult = new Result(); |
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$results = []; |
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foreach ($rules as $attribute => $attributeRules) { |
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$attributeName = is_string($attribute) ? $attribute : null; |
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$result = new Result($attributeName); |
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$tempRule = is_array($attributeRules) ? $attributeRules : [$attributeRules]; |
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$attributeRules = $this->normalizeRules($tempRule); |
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if (is_int($attribute)) { |
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$validatedData = $data->getData(); |
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$validatedContext = $context; |
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} else { |
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$validatedData = $data->getAttributeValue($attribute); |
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$validatedContext = $context->withAttribute($attribute); |
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} |
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$tempResult = $this->validateInternal( |
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$validatedData, |
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$attributeRules, |
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$validatedContext |
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); |
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foreach ($tempResult->getErrors() as $error) { |
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$result->merge($error); |
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} |
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$results[] = $result; |
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} |
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foreach ($results as $result) { |
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foreach ($result->getErrors() as $error) { |
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$compoundResult->merge($error); |
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} |
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} |
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if ($data instanceof PostValidationHookInterface) { |
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$data->processValidationResult($compoundResult); |
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} |
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return $compoundResult; |
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} |
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#[Pure] |
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private function normalizeDataSet($data): DataSetInterface |
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{ |
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if ($data instanceof DataSetInterface) { |
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return $data; |
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} |
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if (is_object($data) || is_array($data)) { |
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return new ArrayDataSet((array)$data); |
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} |
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return new ScalarDataSet($data); |
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} |
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/** |
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* @param $value |
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* @param iterable<RuleInterface> $rules |
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* @param ValidationContext $context |
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* |
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* @throws ContainerExceptionInterface |
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* @throws NotFoundExceptionInterface |
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* |
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* @return Result |
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*/ |
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private function validateInternal($value, iterable $rules, ValidationContext $context): Result |
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{ |
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$compoundResult = new Result(); |
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foreach ($rules as $rule) { |
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$ruleHandler = $this->ruleHandlerResolver->resolve($rule); |
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$ruleResult = $ruleHandler->validate($value, $rule, $this, $context); |
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if ($ruleResult->isValid()) { |
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continue; |
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} |
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$context->setParameter(self::PARAMETER_PREVIOUS_RULES_ERRORED, true); |
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foreach ($ruleResult->getErrors() as $error) { |
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$compoundResult->merge($error); |
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} |
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} |
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return $compoundResult; |
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} |
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/** |
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* @param array $rules |
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* |
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* @return iterable<RuleInterface> |
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*/ |
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private function normalizeRules(iterable $rules): iterable |
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{ |
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foreach ($rules as $rule) { |
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yield $this->normalizeRule($rule); |
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} |
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} |
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private function normalizeRule($rule): RuleInterface |
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{ |
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if (is_callable($rule)) { |
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return new Callback($rule); |
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} |
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if (!$rule instanceof RuleInterface) { |
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throw new InvalidArgumentException(sprintf( |
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'Rule should be either an instance of %s or a callable, %s given.', |
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RuleInterface::class, |
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gettype($rule) |
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)); |
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} |
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return $rule; |
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} |
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} |
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yiisoft /
validator
