/**
* Get a callback for setting up a search (or null if callback is unnecessary).
*
* @return mixed
*/
protected function getSearchSetupCallback()
{
// Setup callback to attach listener if appropriate:
$activeRecs = $this->getActiveRecommendationSettings();
if (empty($activeRecs)) {
return null;
}
$rManager = $this->getServiceLocator()->get('VuFind\\RecommendPluginManager');
// Special case: override recommend settings through parameter (used by
// combined search)
if ($override = $this->params()->fromQuery('recommendOverride')) {
return function ($runner, $p, $searchId) use($rManager, $override) {
$listener = new RecommendListener($rManager, $searchId);
$listener->setConfig($override);
$listener->attach($runner->getEventManager()->getSharedManager());
};
}
// Standard case: retrieve recommend settings from params object:
return function ($runner, $params, $searchId) use($rManager, $activeRecs) {
$listener = new RecommendListener($rManager, $searchId);
$config = [];
$rawConfig = $params->getOptions()->getRecommendationSettings($params->getSearchHandler());
foreach ($rawConfig as $key => $value) {
if (in_array($key, $activeRecs)) {
$config[$key] = $value;
}
}
$listener->setConfig($config);
$listener->attach($runner->getEventManager()->getSharedManager());
};
}
/**
* Send user's saved favorites from a particular list to the view
*
* @return mixed
*/
public function mylistAction()
{
// Fail if lists are disabled:
if (!$this->listsEnabled()) {
throw new \Exception('Lists disabled');
}
// Check for "delete item" request; parameter may be in GET or POST depending
// on calling context.
$deleteId = $this->params()->fromPost('delete', $this->params()->fromQuery('delete'));
if ($deleteId) {
$deleteSource = $this->params()->fromPost('source', $this->params()->fromQuery('source', DEFAULT_SEARCH_BACKEND));
// If the user already confirmed the operation, perform the delete now;
// otherwise prompt for confirmation:
$confirm = $this->params()->fromPost('confirm', $this->params()->fromQuery('confirm'));
if ($confirm) {
$success = $this->performDeleteFavorite($deleteId, $deleteSource);
if ($success !== true) {
return $success;
}
} else {
return $this->confirmDeleteFavorite($deleteId, $deleteSource);
}
}
// If we got this far, we just need to display the favorites:
try {
$runner = $this->getServiceLocator()->get('VuFind\\SearchRunner');
// We want to merge together GET, POST and route parameters to
// initialize our search object:
$request = $this->getRequest()->getQuery()->toArray() + $this->getRequest()->getPost()->toArray() + ['id' => $this->params()->fromRoute('id')];
// Set up listener for recommendations:
$rManager = $this->getServiceLocator()->get('VuFind\\RecommendPluginManager');
$setupCallback = function ($runner, $params, $searchId) use($rManager) {
$listener = new RecommendListener($rManager, $searchId);
$listener->setConfig($params->getOptions()->getRecommendationSettings());
$listener->attach($runner->getEventManager()->getSharedManager());
};
$results = $runner->run($request, 'Favorites', $setupCallback);
return $this->createViewModel(['params' => $results->getParams(), 'results' => $results]);
} catch (ListPermissionException $e) {
if (!$this->getUser()) {
return $this->forceLogin();
}
throw $e;
}
}
/**
* Retrieve side facets
*
* @return \Zend\Http\Response
*/
public function getSideFacetsAjax()
{
$this->disableSessionWrites();
// avoid session write timing bug
// Send both GET and POST variables to search class:
$request = $this->getRequest()->getQuery()->toArray() + $this->getRequest()->getPost()->toArray();
$rManager = $this->getServiceLocator()->get('VuFind\\RecommendPluginManager');
$setupCallback = function ($runner, $params, $searchId) use($rManager) {
$listener = new RecommendListener($rManager, $searchId);
$config = [];
$rawConfig = $params->getOptions()->getRecommendationSettings($params->getSearchHandler());
foreach ($rawConfig['side'] as $value) {
$settings = explode(':', $value);
if ($settings[0] === 'SideFacetsDeferred') {
$settings[0] = 'SideFacets';
$config['side'][] = implode(':', $settings);
}
}
$listener->setConfig($config);
$listener->attach($runner->getEventManager()->getSharedManager());
$params->setLimit(0);
};
$runner = $this->getServiceLocator()->get('VuFind\\SearchRunner');
$results = $runner->run($request, 'Solr', $setupCallback);
if ($results instanceof \VuFind\Search\EmptySet\Results) {
$this->setLogger($this->getServiceLocator()->get('VuFind\\Logger'));
$this->logError('Solr faceting request failed');
return $this->output('', self::STATUS_ERROR, 500);
}
$recommend = $results->getRecommendations('side');
$recommend = reset($recommend);
$view = $this->getViewRenderer();
$view->recommend = $recommend;
$view->params = $results->getParams();
$view->searchClassId = 'Solr';
$html = $view->partial('Recommend/SideFacets.phtml');
return $this->output($html, self::STATUS_OK);
}
/**
* Get the processed search results.
*
* @return \VuFind\Search\SolrCollection\Results
*/
public function getResults()
{
if (null === $this->results) {
$driver = $this->getRecordDriver();
$request = $this->getRequest()->getQuery()->toArray() + $this->getRequest()->getPost()->toArray();
$rManager = $this->recommendManager;
$cb = function ($runner, $params, $searchId) use($driver, $rManager) {
$params->initFromRecordDriver($driver);
$listener = new RecommendListener($rManager, $searchId);
$listener->setConfig($params->getOptions()->getRecommendationSettings());
$listener->attach($runner->getEventManager()->getSharedManager());
};
$this->results = $this->runner->run($request, 'SolrCollection', $cb);
}
return $this->results;
}