public function store()
{
$price = Input::get('price');
$price = str_replace(",", ".", $price);
$price = str_replace(".", "", $price);
$price = substr($price, 0, -2);
$handbook = new Handbook();
$handbook->project_id = Auth::user()->curr_project_id;
$handbook->generation_id = Input::get('generation');
$handbook->title = Input::get('title');
$handbook->price = $price;
$handbook->feasible = Input::get('feasible');
$handbook->infeasible = Input::get('infeasible');
$handbook->last_opname = date('Y-m-d H:i:s');
$handbook->employee_id = Auth::user()->employee_id;
$handbook->save();
Session::flash('message', 'Sukses menambahkan Handbook baru!');
}