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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\Filter\Widget\Pager; |
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use ONGR\ElasticsearchDSL\Search; |
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use ONGR\ElasticsearchBundle\Result\DocumentIterator; |
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use ONGR\FilterManagerBundle\Filter\FilterInterface; |
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use ONGR\FilterManagerBundle\Filter\FilterState; |
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use ONGR\FilterManagerBundle\Filter\Helper\ViewDataFactoryInterface; |
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use ONGR\FilterManagerBundle\Filter\ViewData; |
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use ONGR\FilterManagerBundle\Filter\Widget\AbstractSingleRequestValueFilter; |
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use ONGR\FilterManagerBundle\Search\SearchRequest; |
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use ONGR\FilterManagerBundle\Pager\PagerService; |
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use ONGR\FilterManagerBundle\Pager\Adapters\CountAdapter; |
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use Symfony\Component\HttpFoundation\Request; |
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/** |
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* Provides basic functionality for pagination. |
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*/ |
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class Pager extends AbstractSingleRequestValueFilter implements FilterInterface, ViewDataFactoryInterface |
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{ |
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/** |
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* @var int |
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*/ |
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private $countPerPage; |
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/** |
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* @var int |
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*/ |
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private $maxPages; |
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/** |
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* @return int |
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*/ |
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public function getMaxPages() |
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{ |
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return $this->maxPages; |
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} |
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/** |
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* @param int $maxPages |
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*/ |
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public function setMaxPages($maxPages) |
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{ |
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$this->maxPages = $maxPages; |
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} |
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/** |
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* Sets count per page. |
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* |
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* @param int $count |
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*/ |
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public function setCountPerPage($count) |
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{ |
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$this->countPerPage = $count; |
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} |
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/** |
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* Returns count per page. |
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* |
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* @return int |
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*/ |
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public function getCountPerPage() |
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{ |
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return $this->countPerPage; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getState(Request $request) |
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{ |
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$state = parent::getState($request); |
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// Reset pager with any filter. |
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$state->setUrlParameters([]); |
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$page = (integer)$state->getValue(); |
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$state->setValue($page < 1 ? 1 : $page); |
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return $state; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function modifySearch(Search $search, FilterState $state = null, SearchRequest $request = null) |
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{ |
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if ($state && $state->isActive()) { |
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$search->setFrom($this->countPerPage * ($state->getValue() - 1)); |
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} |
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$search->setSize($this->countPerPage); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function preProcessSearch(Search $search, Search $relatedSearch, FilterState $state = null) |
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{ |
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// Nothing to do here. |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function createViewData() |
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{ |
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return new ViewData\PagerAwareViewData(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getViewData(DocumentIterator $result, ViewData $data) |
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{ |
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/** @var ViewData\PagerAwareViewData $data */ |
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$data->setPager( |
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new PagerService( |
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new CountAdapter($result->count()), |
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array_filter( |
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[ |
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'page' => $data->getState()->getValue(), |
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'limit' => $this->getCountPerPage(), |
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'max_pages' => $this->getMaxPages(), |
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] |
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) |
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) |
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); |
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return $data; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isRelated() |
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{ |
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return false; |
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} |
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} |
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ongr-io /
FilterManagerBundle
