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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the Stinger Entity 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\Controller; |
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use StingerSoft\EntitySearchBundle\Form\QueryType; |
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use StingerSoft\EntitySearchBundle\Model\PaginatableResultSet; |
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use StingerSoft\EntitySearchBundle\Model\Query; |
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use StingerSoft\EntitySearchBundle\Services\Mapping\DocumentToEntityMapperInterface; |
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use StingerSoft\EntitySearchBundle\Services\SearchService; |
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use Symfony\Component\HttpFoundation\JsonResponse; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Session\SessionInterface; |
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trait SearchControllerTrait { |
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/** |
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* @var SearchService |
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*/ |
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protected $searchService; |
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private $availableFacets; |
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private $facetFormatter; |
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public function searchAction(Request $request, DocumentToEntityMapperInterface $mapper) { |
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if($request->query->get('term', false) !== false) { |
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$this->setSearchTerm($request->getSession(), $request->query->get('term')); |
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return $this->redirectToRoute('stinger_soft_entity_search_search'); |
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} |
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$term = $this->getSearchTerm($request->getSession()); |
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$facets = $this->getSearchFacets($request->getSession()); |
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$availableFacets = $this->getAvailableFacets(); |
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$query = new Query($term, $facets, array_keys($availableFacets)); |
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$facetForm = $this->createForm(QueryType::class, $query, array( |
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'used_facets' => $this->getConfiguredUsedFacets($query->getUsedFacets()) |
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)); |
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$facetForm->handleRequest($request); |
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if($facetForm->isSubmitted()) { |
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if($facetForm->get('clear')->isClicked()) { |
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$query->setFacets($this->getDefaultFacets()); |
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} |
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$this->setSearchTerm($request->getSession(), $query->getSearchTerm()); |
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$this->setSearchFacets($request->getSession(), $query->getFacets()); |
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} |
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try { |
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$result = $this->searchService->search($query); |
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$facetForm = $this->createForm(QueryType::class, $query, array( |
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'result' => $result, |
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'used_facets' => $this->getConfiguredUsedFacets($query->getUsedFacets()), |
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'facet_formatter' => $this->getFacetFormatter() |
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)); |
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$page = (int)$request->query->get('page', 1); |
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$results = null; |
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if($result instanceof PaginatableResultSet) { |
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$results = $result->paginate($page, $this->getResultsPerPage()); |
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} elseif($results !== null) { |
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$results = $result->getResults(($page - 1) * $this->getResultsPerPage(), $this->getResultsPerPage()); |
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} |
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return $this->render($this->getTemplate(), array( |
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'results' => $results, |
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'resultSet' => $result, |
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'term' => $query->getSearchTerm(), |
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'mapper' => $mapper, |
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'facetForm' => $facetForm->createView() |
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)); |
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} catch(\Exception $exception) { |
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$response = $this->render($this->getErrorTemplate(), array( |
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'error' => $exception->getMessage(), |
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'term' => $query->getSearchTerm() |
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)); |
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return $response->setStatusCode(500); |
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} |
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} |
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/** |
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* Returns a JSON array of autocompletions for the given term. |
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* The term can be provided as a GET or POST paramater with the name <em>term</em> |
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* |
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* @param Request $request |
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* @return \Symfony\Component\HttpFoundation\JsonResponse |
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*/ |
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public function autocompleteAction(Request $request) { |
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$term = $request->get('term'); |
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return new JsonResponse($this->searchService->autocomplete($term, $this->getSuggestionCount())); |
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} |
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/** |
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* Provides an online help for the configured search service. |
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* If the search service has no online help defined a warning message will be displayed to the user. |
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* |
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* @param Request $request |
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* @return \Symfony\Component\HttpFoundation\Response |
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*/ |
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public function onlineHelpAction(Request $request) { |
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$template = $this->searchService->getOnlineHelp($request->getLocale(), $this->getDefaultLocale()); |
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return $this->render($template ?: 'StingerSoftEntitySearchBundle:Help:no_help.html.twig'); |
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} |
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/** |
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* @param SearchService $searchService |
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* @required |
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*/ |
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public function setSearchService(SearchService $searchService): void { |
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$this->searchService = $searchService; |
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} |
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protected function getConfiguredUsedFacets(array $queryUsedFacets) { |
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$availableFacets = $this->getAvailableFacets(); |
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$usedFacets = array(); |
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foreach($queryUsedFacets as $queryUsedFacet) { |
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$usedFacets[$queryUsedFacet] = $availableFacets[$queryUsedFacet]; |
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} |
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return $usedFacets; |
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} |
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/** |
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* Maximum number of suggestions which should be provided by the autocomplete action |
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* |
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* @return integer |
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*/ |
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protected function getSuggestionCount() { |
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return 10; |
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} |
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/** |
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* Prefix to store information in the session variable |
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* |
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* @return string |
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*/ |
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protected function getSessionPrefix() { |
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return 'stinger_soft_entity_search'; |
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} |
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/** |
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* Number of results which should be displayed per page |
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* |
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* @return integer |
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*/ |
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protected function getResultsPerPage() { |
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return 10; |
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} |
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protected function getTemplate() { |
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return 'StingerSoftEntitySearchBundle:Search:results.html.twig'; |
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} |
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protected function getErrorTemplate() { |
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return 'StingerSoftEntitySearchBundle:Search:error.html.twig'; |
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} |
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protected function getFacetFormatter() { |
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$this->initFacets(); |
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return $this->facetFormatter; |
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} |
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/** |
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* Returns an array of preselected facets (no facet selected is the default) |
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* |
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* @return string[string][] |
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*/ |
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protected function getDefaultFacets() { |
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$availableFacets = $this->getAvailableFacets(); |
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return array_combine(array_keys($availableFacets), array_fill(0, count($availableFacets), array())); |
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} |
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/** |
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* Returns an array of the available facets which should be offered the user as a filter |
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* |
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* @return string[] |
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*/ |
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protected function getAvailableFacets() { |
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$this->initFacets(); |
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return $this->availableFacets; |
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} |
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protected function initFacets() { |
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if(!$this->availableFacets) { |
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$this->availableFacets = array(); |
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$this->facetFormatter = array(); |
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$facetServices = $this->getParameter('stinger_soft.entity_search.available_facets'); |
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foreach($facetServices as $facetServiceId) { |
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$facetService = $this->searchService->getFacet($facetServiceId); |
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$this->availableFacets[$facetService->getField()] = $facetService->getFormOptions(); |
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if($facetService->getFacetFormatter()) { |
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$this->facetFormatter[$facetService->getField()] = $facetService->getFacetFormatter(); |
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} |
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} |
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} |
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} |
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/** |
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* Fetches the searched facets from the session object |
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* |
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* @param SessionInterface $session |
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* @return string[string][] |
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*/ |
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protected function getSearchFacets(SessionInterface $session) { |
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$facets = $session->get($this->getSessionPrefix() . '_facets', false); |
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return $facets ? \json_decode($facets, true) : $this->getDefaultFacets(); |
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} |
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/** |
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* Sets the given search facets in the user's session |
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* |
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* @param SessionInterface $session |
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* @param string[string][] $facets |
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*/ |
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protected function setSearchFacets(SessionInterface $session, $facets) { |
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$session->set($this->getSessionPrefix() . '_facets', \json_encode($facets)); |
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} |
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/** |
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* Fetches the search term from the session object |
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* |
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* @param SessionInterface $session |
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* @return mixed |
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*/ |
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protected function getSearchTerm(SessionInterface $session) { |
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return $session->get($this->getSessionPrefix() . '_term', false); |
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} |
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/** |
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* Sets the given search term in the user's session |
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* |
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* @param SessionInterface $session |
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* @param string $term |
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*/ |
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protected function setSearchTerm(SessionInterface $session, $term) { |
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$session->set($this->getSessionPrefix() . '_term', $term); |
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} |
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} |
Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: