public function actionGetPreviousOperation()
{
if (!($po = PreviousOperation::model()->findByPk(@$_GET['operation_id']))) {
throw new Exception("Previous operation not found: " . @$_GET['operation_id']);
}
$date = explode('-', $po->date);
echo json_encode(array('operation' => $po->operation, 'side_id' => $po->side_id, 'fuzzy_year' => $date[0], 'fuzzy_month' => preg_replace('/^0/', '', $date[1]), 'fuzzy_day' => preg_replace('/^0/', '', $date[2])));
}