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<?php |
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/* |
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* This file is part of the Stinger Enity Search package. |
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* |
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* (c) Oliver Kotte <[email protected]> |
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* (c) Florian Meyer <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace StingerSoft\EntitySearchBundle\Services; |
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use StingerSoft\EntitySearchBundle\Model\SearchableEntity; |
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use Doctrine\Common\Persistence\ObjectManager; |
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use StingerSoft\EntitySearchBundle\Model\Document; |
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use Symfony\Component\PropertyAccess\PropertyAccess; |
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/** |
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* Handles the creation of documents out of entities |
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*/ |
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class EntityHandler { |
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/** |
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* |
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* @var SearchService |
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*/ |
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protected $searchService; |
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/** |
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* |
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* @var string[string] |
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*/ |
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protected $mapping = array(); |
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/** |
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* |
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* @var string[string] |
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*/ |
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protected $cachedMapping = array(); |
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/** |
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* Constructor |
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* |
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* @param SearchService $searchService |
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*/ |
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public function __construct(SearchService $searchService, array $mapping = array()) { |
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$this->searchService = $searchService; |
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foreach($mapping as $key => $config) { |
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if(!isset($config['mappings'])) { |
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throw new \InvalidArgumentException($key . ' has no mapping defined!'); |
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} |
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if(!isset($config['persistence'])) { |
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throw new \InvalidArgumentException($key . ' has no persistence defined!'); |
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} |
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if(!isset($config['persistence']['model'])) { |
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throw new \InvalidArgumentException($key . ' has no model defined!'); |
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} |
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$map = array(); |
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foreach($config['mappings'] as $fieldKey => $fieldConfig) { |
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$map[$fieldKey] = isset($fieldConfig['propertyPath']) && $fieldConfig['propertyPath'] ? $fieldConfig['propertyPath'] : $fieldKey; |
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} |
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$this->mapping[$config['persistence']['model']] = $map; |
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} |
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} |
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/** |
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* Checks if the given object can be added to the index |
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* |
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* @param object $object |
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* @return boolean |
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*/ |
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public function isIndexable($object) { |
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if($object instanceof SearchableEntity) { |
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return true; |
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} |
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if(count($this->getMapping($object)) > 0) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Tries to create a document from the given object |
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* |
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* @param ObjectManager $manager |
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* @param object $object |
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* @return boolean|Document Returns false if no document could be created |
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*/ |
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public function createDocument(ObjectManager $manager, $object) { |
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if(!$this->isIndexable($object)) |
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return false; |
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$document = $this->getSearchService($manager)->createEmptyDocumentFromEntity($object); |
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$index = $this->fillDocument($document, $object); |
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if($index == false) |
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return false; |
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return $document; |
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} |
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/** |
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* Fills the given document based on the object |
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* |
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* @param Document $document |
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* @param object $object |
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* @return boolean |
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*/ |
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protected function fillDocument(Document &$document, $object) { |
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if($object instanceof SearchableEntity) { |
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return $object->indexEntity($document); |
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} |
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$mapping = $this->getMapping($object); |
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$accessor = PropertyAccess::createPropertyAccessor(); |
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foreach($mapping as $fieldName => $propertyPath) { |
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$document->addField($fieldName, $accessor->getValue($object, $propertyPath)); |
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} |
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return true; |
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} |
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/** |
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* Fetches the mapping for the given object including the mapping of superclasses |
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* |
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* @param object $object |
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* @return \StingerSoft\EntitySearchBundle\Services\string[string] |
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*/ |
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protected function getMapping($object) { |
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$clazz = get_class($object); |
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if(isset($this->cachedMapping[$clazz])) { |
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return $this->cachedMapping[$clazz]; |
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} |
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$ref = new \ReflectionClass($clazz); |
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$mapping = array(); |
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foreach($this->mapping as $className => $config) { |
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if($clazz == $className || $ref->isSubclassOf($className)) { |
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$mapping = array_merge($mapping, $config); |
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} |
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} |
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$this->cachedMapping[$clazz] = $mapping; |
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return $mapping; |
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} |
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/** |
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* Returns the search service |
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* |
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* @return SearchService |
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*/ |
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protected function getSearchService(ObjectManager $manager) { |
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$this->searchService->setObjectManager($manager); |
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return $this->searchService; |
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} |
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} |
Stinger-Soft /
EntitySearchBundle
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