public function ajaxgethitsAction()
{
// the remote fetch should only occur once, when a new pz2
// session is created for a new query. Otherwise, the existing
// result should be returned.
$uo = new UserOptions($this->request);
$sid = $uo->getSessionData('pz2session');
$aid = $uo->getSessionData('aim25session');
if ($aid != $sid) {
$aid = null;
// new pz2session, so new query, restart
}
$hits = array();
if (is_null($sid)) {
// if there's no session yet, just return nothing
$hits['hits'] = 0;
} else {
$hits = $this->engine->getHitCount($aid, $sid, $this->query);
$uo->setSessionData('aim25session', $sid);
}
$response = $this->getResponse();
$response->headers()->addHeaderLine("Content-type", "application/json");
$response->setContent(json_encode($hits));
// returned to View\Listener
return $response;
}
public function searchAction()
{
$uo = new UserOptions($this->request);
if ($this->request->getParam('Submit') == 'GO') {
// initialise the session for a new search
$sid = $this->engine->initializePazpar2Client();
$uo->setSessionData('pz2session', $sid);
} else {
$sid = $uo->getSessionData('pz2session');
}
// kick the search off
$this->query->sid = $sid;
$max_records = $uo->getSessionData('max_records');
try {
$this->engine->search($this->query, $max_records);
// non-blocking call
} catch (\Exception $e) {
$this->flashMessenger->addMessage('Error|Session timeout: ' . $e->getMessage());
// assume the session died - cab't initialise a new one
// as might be infinite loop
// Need to generate an error message
// and routing back to search start page
$this->engine->clearPazpar2Client($sid);
$params = $this->query->getAllSearchParams();
$params['lang'] = $this->request->getParam('lang');
$params['controller'] = $this->request->getParam('controller');
$params['action'] = 'index';
$url = $this->request->url_for($params);
return $this->redirect()->toUrl($url);
}
// set the url params for where we are going to redirect,
// usually to the results action, but can be overriden
$base = $this->helper->searchRedirectParams();
$params = $this->query->getAllSearchParams();
$params = array_merge($base, $params);
$params['lang'] = $this->request->getParam('lang');
$params['action'] = 'status';
$params['Submit'] = '';
// check spelling
$this->checkSpelling();
// construct the actual url and redirect
$url = $this->request->url_for($params);
return $this->redirect()->toUrl($url);
}
