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Merge pull request #270 from sroze/patch-1

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Support "callback" on Choice Validator
This commit is contained in:
William Durand 2013-11-06 17:53:53 -08:00
commit 8728e825ea
1 changed files with 31 additions and 4 deletions
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33
Parser/ValidationParser.php
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@ -11,6 +11,7 @@
namespace Nelmio\ApiDocBundle\Parser;
use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
use Symfony\Component\Validator\MetadataFactoryInterface;
use Symfony\Component\Validator\Constraint;
@ -62,7 +63,7 @@ class ValidationParser implements ParserInterface, PostParserInterface
$constraints = $propdata->getConstraints();
foreach($constraints as $constraint) {
$vparams = $this->parseConstraint($constraint, $vparams);
$vparams = $this->parseConstraint($constraint, $vparams, $className);
}
}
@ -118,7 +119,7 @@ class ValidationParser implements ParserInterface, PostParserInterface
* @param array $vparams The existing validation parameters.
* @return mixed The parsed list of validation parameters.
*/
protected function parseConstraint(Constraint $constraint, $vparams)
protected function parseConstraint(Constraint $constraint, $vparams, $className)
{
$class = substr(get_class($constraint), strlen('Symfony\\Component\\Validator\\Constraints\\'));
@ -150,7 +151,8 @@ class ValidationParser implements ParserInterface, PostParserInterface
$vparams['format'][] = '{length: ' . join(', ', $messages) . '}';
break;
case 'Choice':
$format = '[' . join('|', $constraint->choices) . ']';
$choices = $this->getChoices($constraint, $className);
$format = '[' . join('|', $choices) . ']';
if($constraint->multiple) {
$messages = array();
if(isset($constraint->min)) {
@ -175,4 +177,29 @@ class ValidationParser implements ParserInterface, PostParserInterface
return $vparams;
}
/**
* Return Choice constraint choices.
*
* @param Constraint $constraint
* @param $className
* @return array
* @throws \Symfony\Component\Validator\Exception\ConstraintDefinitionException
*/
protected function getChoices (Constraint $constraint, $className)
{
if ($constraint->callback) {
if (is_callable(array($className, $constraint->callback))) {
$choices = call_user_func(array($className, $constraint->callback));
} elseif (is_callable($constraint->callback)) {
$choices = call_user_func($constraint->callback);
} else {
throw new ConstraintDefinitionException('The Choice constraint expects a valid callback');
}
} else {
$choices = $constraint->choices;
}
return $choices;
}
}