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<?php |
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/* |
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* This file is part of the ONGR package. |
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* |
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* (c) NFQ Technologies UAB <[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 ONGR\FilterManagerBundle\Search; |
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use Doctrine\Common\Cache\Cache; |
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use ONGR\ElasticsearchDSL\Search; |
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use ONGR\FilterManagerBundle\Filter\FilterInterface; |
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use ONGR\FilterManagerBundle\Relation\FilterIterator; |
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use ONGR\FilterManagerBundle\Relation\RelationInterface; |
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use Symfony\Component\HttpFoundation\ParameterBag; |
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use Symfony\Component\HttpFoundation\Request; |
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/** |
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* This class holds collection of FilterInterface objects labeled by name. |
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*/ |
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class FilterContainer extends ParameterBag |
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{ |
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/** |
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* @var Cache |
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*/ |
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private $cache; |
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/** |
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* @var int |
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*/ |
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private $lifeTime; |
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/** |
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* @var array |
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*/ |
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private $exclude = []; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function add(array $parameters = []) |
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{ |
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foreach ($parameters as $key => $value) { |
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$this->set($key, $value); |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function set($key, $value) |
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{ |
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if ($value instanceof FilterInterface) { |
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parent::set($key, $value); |
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} |
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} |
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/** |
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* Sets cache engine |
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* |
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* @param Cache|null $cache |
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*/ |
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public function setCache(Cache $cache = null) |
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{ |
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$this->cache = $cache; |
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} |
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/** |
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* Sets cached search life time |
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* |
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* @param $lifeTime |
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*/ |
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public function setLifeTime($lifeTime) |
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{ |
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$this->lifeTime = $lifeTime; |
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} |
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/** |
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* Sets array of filter names not to be cached |
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* |
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* @param array $exclude |
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*/ |
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public function setExclude(array $exclude) |
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{ |
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$this->exclude = $exclude; |
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} |
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/** |
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* Filters accepted. |
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* |
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* @param RelationInterface $relation |
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* |
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* @return FilterInterface[] |
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*/ |
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public function getFiltersByRelation(RelationInterface $relation) |
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{ |
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return new FilterIterator($this->getIterator(), $relation); |
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} |
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/** |
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* Builds search request according to given filters. |
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* |
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* @param Request $request |
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* |
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* @return SearchRequest |
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*/ |
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public function buildSearchRequest(Request $request) |
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{ |
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$search = new SearchRequest(); |
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/** @var FilterInterface[] $filters */ |
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$filters = $this->all(); |
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foreach ($filters as $name => $filter) { |
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$state = $filter->getState($request); |
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$state->setName($name); |
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$search->set($name, $state); |
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} |
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return $search; |
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} |
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/** |
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* Builds elastic search query by given SearchRequest and filters. |
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* |
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* @param SearchRequest $request |
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* @param \ArrayIterator|null $filters |
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* |
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* @return Search |
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*/ |
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public function buildSearch(SearchRequest $request, $filters = null) |
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{ |
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/** @var \ArrayIterator $filters */ |
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$filters = $filters ? $filters : $this->getIterator(); |
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$search = new Search(); |
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$cachedFilters = []; |
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if ($this->cache) { |
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foreach ($filters as $name => $filter) { |
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if (!in_array($name, $this->exclude)) { |
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$cachedFilters[$name] = $request->get($name)->getSerializableData(); |
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} |
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} |
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$searchHash = md5(serialize($cachedFilters)); |
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if ($this->cache->contains($searchHash)) { |
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$search = $this->cache->fetch($searchHash); |
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} else { |
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foreach ($cachedFilters as $name => $state) { |
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$filters->offsetGet($name)->modifySearch($search, $request->get($name), $request); |
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} |
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$this->cache->save($searchHash, $search, $this->lifeTime); |
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} |
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} |
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foreach ($filters as $name => $filter) { |
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if (!array_key_exists($name, $cachedFilters)) { |
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$filter->modifySearch($search, $request->get($name), $request); |
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} |
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} |
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return $search; |
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} |
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} |
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ongr-io /
FilterManagerBundle
