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<?php |
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/* |
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* To change this license header, choose License Headers in Project Properties. |
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* To change this template file, choose Tools | Templates |
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* and open the template in the editor. |
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*/ |
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namespace Gendoria\ParamConverterBundle\Request\ParamConverter; |
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use ArrayObject; |
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use InvalidArgumentException; |
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use Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter; |
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use Sensio\Bundle\FrameworkExtraBundle\Request\ParamConverter\ParamConverterInterface; |
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use Symfony\Component\HttpFoundation\Request; |
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/** |
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* This param converter converts parameters to array objects. |
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* |
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* Parameter has to be string of values separated with delimiter. By default |
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* delimiter is comma, but you can set your own by passing options. |
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* |
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* Param converter invocation: |
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* |
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* `@ParamConverter("parameter_name")` |
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* |
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* With custom delimiter: |
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* |
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* `@ParamConverter("parameter_name", options={"delimiter" = "|"})` |
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* |
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* @author Tomasz Struczyński <[email protected]> |
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*/ |
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class ArrayObjectParamConverter implements ParamConverterInterface |
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{ |
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/** |
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* {@inheritdoc} |
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* |
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* @throws InvalidArgumentException Thrown, when parameter has been already parsed to array or object. |
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*/ |
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public function apply(Request $request, ParamConverter $configuration) |
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{ |
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$param = $configuration->getName(); |
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if (!$request->attributes->has($param)) { |
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return false; |
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} |
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$options = $configuration->getOptions(); |
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$value = $request->attributes->get($param); |
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if (!$value && $configuration->isOptional()) { |
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return false; |
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} |
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if (is_object($value) || is_array($value)) { |
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throw new InvalidArgumentException("Parameter already parsed to object or array."); |
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} |
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if (!empty($options['delimiter'])) { |
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$delimiter = $options['delimiter']; |
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} else { |
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$delimiter = ','; |
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} |
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$array = $this->getArrayObject($delimiter, $value); |
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$request->attributes->set($param, $array); |
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return true; |
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} |
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/** |
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* Get array object instance based on parameter value. |
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* |
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* @param string $delimiter |
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* @param string $value |
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* @return ArrayObject |
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*/ |
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private function getArrayObject($delimiter, $value) |
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{ |
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if (!empty($value)) { |
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$arrayValues = explode($delimiter, $value); |
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} else { |
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$arrayValues = array(); |
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} |
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return new ArrayObject($arrayValues); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function supports(ParamConverter $configuration) |
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{ |
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if (null === $configuration->getClass()) { |
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return false; |
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} |
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return 'ArrayObject' === $configuration->getClass(); |
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} |
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} |
Gendoria /
param-converter-bundle
