/**
* get list of stops based on location
*
* @param int $location_id
* @return Response
*/
public function getByLocation($location_id)
{
if ($location_id) {
// get all stops based on the condition
$stops = Stop::LocationId($location_id)->get();
} else {
// get all
$stops = Stop::get();
}
if ($stops->count()) {
echo json_encode($stops);
} else {
echo json_encode(array());
}
}