/**
* Returns all info from the Gems surveys table for a givens Gems Survey Id
*
* Uses internal caching to prevent multiple db lookups during a program run (so no caching
* beyond page generation time)
*
* @param int $surveyId
* @param string $field Optional field to retrieve data for
* @return array
*/
protected function getSurveyData($surveyId, $field = null)
{
static $cache = array();
if (!isset($cache[$surveyId])) {
$cache[$surveyId] = $this->_gemsDb->fetchRow('SELECT * FROM gems__surveys WHERE gsu_id_survey = ? LIMIT 1', $surveyId, \Zend_Db::FETCH_ASSOC);
}
if (null === $field) {
return $cache[$surveyId];
} else {
if (isset($cache[$surveyId][$field])) {
return $cache[$surveyId][$field];
}
}
}
