public function getEstadisticos()
 {
     setlocale(LC_TIME, 'spanish');
     $mes = strftime("%B", mktime(0, 0, 0, date('m'), 1, 2000));
     $anio = date('Y');
     $pagos = Pago::where(DB::raw('YEAR(created_at)'), '=', date('Y'))->where(DB::raw('MONTH(created_at)'), '=', date('m'))->where('cancelado', 0)->sum('monto');
     $ventas = Venta::where(DB::raw('YEAR(fecha)'), '=', date('Y'))->where(DB::raw('MONTH(fecha)'), '=', date('m'))->where('cancelada', 0)->where('cotizacion', 0)->where('autorizado', 1)->groupby(DB::raw('YEAR(fecha)'), DB::raw('MONTH(fecha)'))->orderby('fecha')->sum('total');
     return Response::json(array("ventas" => number_format($ventas, 0, ".", ","), "ingresos" => number_format($pagos, 0, ".", ","), "mes" => Str::title($mes) . ' de ' . $anio));
 }