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<?php |
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namespace KGzocha\Searcher\Criteria\Adapter; |
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use KGzocha\Searcher\Criteria\OrderByCriteriaInterface; |
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/** |
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* This adapter can be used if end-user should not see the actual parameter values |
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* that are used in sorting. In order to do so, please provide parameter $fieldsMap. |
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* Fields map key should be a value that will be visible to end-user. |
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* Fields map value will be visible to developer. |
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* To get "mapped" value (for end-user) just use getOrderBy() |
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* To get "real" value (for developer) use getMappedOrderBy(). |
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* |
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* @author Krzysztof Gzocha <[email protected]> |
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*/ |
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class MappedOrderByAdapter implements OrderByCriteriaInterface |
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{ |
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/** |
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* @var OrderByCriteriaInterface |
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*/ |
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private $orderBy; |
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/** |
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* @var array|\ArrayAccess |
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*/ |
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private $fieldsMap; |
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/** |
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* @param OrderByCriteriaInterface $orderBy |
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* @param array|\ArrayAccess $fieldsMap keys will be visible to user, |
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* values to CriteriaBuilder |
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*/ |
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public function __construct( |
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OrderByCriteriaInterface $orderBy, |
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$fieldsMap |
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) { |
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$this->checkFieldsMapType($fieldsMap); |
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$this->orderBy = $orderBy; |
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$this->fieldsMap = $fieldsMap; |
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} |
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/** |
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* @return string|null Returns null if user will enter value that is not in fieldsMap |
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*/ |
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public function getMappedOrderBy() |
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{ |
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if ($this->rawValueExistsInFieldsMap()) { |
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return $this->fieldsMap[$this->getOrderBy()]; |
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} |
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return null; |
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} |
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/** |
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* @return array|\ArrayAccess |
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*/ |
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public function getFieldsMap() |
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{ |
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return $this->fieldsMap; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getOrderBy() |
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{ |
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return $this->orderBy->getOrderBy(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setOrderBy($orderBy) |
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{ |
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return $this->orderBy->setOrderBy($orderBy); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function shouldBeApplied() |
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{ |
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return $this->orderBy->shouldBeApplied() && $this->rawValueExistsInFieldsMap(); |
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} |
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/** |
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* @param mixed $fieldsMap |
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* |
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* @throws \InvalidArgumentException |
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*/ |
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private function checkFieldsMapType($fieldsMap) |
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{ |
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if (!is_array($fieldsMap) && !$fieldsMap instanceof \ArrayAccess) { |
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throw new \InvalidArgumentException(sprintf( |
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'Parameter fieldsMap passed to %s should be an array or \ArrayAccess.' |
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.' Given: %s', |
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__CLASS__, |
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is_object($fieldsMap) ? get_class($fieldsMap) : gettype($fieldsMap) |
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)); |
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} |
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} |
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/** |
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* @return bool |
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*/ |
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private function rawValueExistsInFieldsMap() |
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{ |
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return array_key_exists($this->getOrderBy(), $this->fieldsMap); |
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} |
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} |
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krzysztof-gzocha /
searcher
