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Example of a Controller using SearchAPI to generate a results page (without Views).
<?php
namespace Drupal\velirsearch\Controller;
use Drupal\Core\Controller\ControllerBase;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\HttpFoundation\Request;
use Drupal\velirsearch\Service\PagerService;
class SearchResults extends ControllerBase {
/**
* @var \Drupal\velirsearch\Service\PagerService
*/
private $pager_service;
/**
* SearchResults constructor.
* @param \Drupal\velirsearch\Service\PagerService $pager_service
*/
public function __construct(PagerService $pager_service) {
$this->pager_service = $pager_service;
}
/**
* @param \Symfony\Component\DependencyInjection\ContainerInterface $container
* @return static
*/
public static function create(ContainerInterface $container) {
$pager_service = $container->get('velirsearch.pager_service');
return new static($pager_service);
}
/**
* @param \Symfony\Component\HttpFoundation\Request $request
* @return array
*/
public function build(Request $request) {
/* @var $search_api_index \Drupal\search_api\IndexInterface */
$index = $this->getSearchIndex('new_solr_test');
// Create the query.
$query = $index->query([
'limit' => 10,
'offset' => !is_null($request->get('page')) ? $request->get('page') * 10 : 0,
'search id' => 'velirsearch:1',
]);
if (!is_null($request->get('keyword'))) {
$query->keys(['body' => $request->get('keyword'), '#conjunction' => 'AND']);
}
$results = $query->execute();
$output = '';
foreach ($results as $result) {
$value = $result->getField('view_mode_teaser')->getValues();
$output .= $value[0];
}
$render[] = [
'#markup' => $output,
'#type' => 'remote',
];
$render[] = $this->attachPager($results->getResultCount(), 10);
return $render;
}
/**
* Title callback.
*
* @param Request $request
* The request.
*
* @return string $title
* The page title.
*/
public function title(Request $request) {
if (!is_null($request->get('keyword'))) {
return $this->t('Search results for %keyword', ['%keyword' => $request->get('keyword')]);
}
return $this->t('Search results');
}
/**
* Load and return a search index.
* @param $id
* @return \Drupal\Core\Entity\EntityInterface|null
*/
protected function getSearchIndex($id) {
return $this->entityTypeManager()->getStorage('search_api_index')->load($id);
}
/**
* Convenient method to obtain a pager to attach from the pager service.
* @param $totalRows
* @param $limit
* @return array
*/
protected function attachPager($totalRows, $limit) {
return $this->pager_service->getPager($totalRows, $limit);
}
}
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