/**
* Looks up a given $query with the given $config
*
* @param string $query String to look up in data
* @param array $config Array of configuration options
* @return array
*/
public function lookUp($query, $config)
{
// require the class
require_once 'comb.php';
// create a hash for this search
$hash = 'searches/' . $this->getSearchHash($config);
// while we're here, clean up old unusable cached searches
if ($config['query_cache_length'] == "on cache update") {
$this->cache->purgeFromBefore(Cache::getLastCacheUpdate(), 'searches');
} else {
$this->cache->purgeOlderThan($config['query_cache_length'] * 60, 'searches');
}
// perform the search
if ($this->cache->exists($hash)) {
// use cached results, they're still relevant
$output = unserialize($this->cache->get($hash));
// record search
if (isset($output['not_enough_characters'])) {
// do nothing
} elseif (isset($output['no_query']) || isset($output['no_results'])) {
$this->logSearch($config['query'], 0);
} elseif (isset($output['too_many_results'])) {
$this->logSearch($config['query'], 'too many');
} else {
$this->logSearch($config['query'], count($output));
}
} else {
// get data
$data = $this->getData($config);
try {
$comb = Comb::create($data, $config);
// look up query
$results = $comb->lookUp($query);
// fix results
$output = array();
$i = 1;
foreach ($results['data'] as $result) {
$item = array('_score' => $result['score'], '_category' => $result['category'], '_query' => $results['info']['raw_query'], '_parsed_query' => $results['info']['parsed_query'], '_query_time' => $results['info']['query_time']);
array_push($output, array_merge($item, $result['data']));
$i++;
}
// save this
$this->cache->put($hash, serialize($output));
// record successful search
$this->logSearch($config['query'], count($output));
} catch (CombNoResultsFoundException $e) {
$output = array(array('no_results' => true, '_query' => htmlentities($query)));
$this->cache->put($hash, serialize($output));
// record failed search
$this->logSearch($config['query'], 0);
} catch (CombNoQueryException $e) {
$this->log->error($e->getMessage());
$output = array(array('no_query' => true, '_query' => htmlentities($query)));
$this->cache->put($hash, serialize($output));
// record failed search
$this->logSearch($config['query'], 0);
} catch (CombTooManyResultsException $e) {
$this->log->error($e->getMessage());
$output = array(array('too_many_results' => true, '_query' => htmlentities($query)));
$this->cache->put($hash, serialize($output));
// record failed search
$this->logSearch($config['query'], 'too many');
} catch (CombNotEnoughCharactersException $e) {
$output = array(array('not_enough_characters' => true, 'no_query' => true, 'no_results' => true, '_query' => htmlentities($query)));
$this->cache->put($hash, serialize($output));
} catch (CombException $e) {
$this->log->error($e->getMessage());
$output = array(array('no_results' => true, '_query' => htmlentities($query)));
$this->cache->put($hash, serialize($output));
// record failed search
$this->logSearch($config['query'], 0);
}
}
return $output;
}
