public async Task <IActionResult> Get()
        {
            List <PlaneDTO> temp = await planeService.GetPlaneCollection();

            if (temp != null)
            {
                return(Ok(temp));
            }
            else
            {
                return(BadRequest());
            }
        }
        public IEnumerable <PlaneDTO> Get()
        {
            IEnumerable <PlaneDTO> temp = planeService.GetPlaneCollection();

            if (temp != null)
            {
                Response.StatusCode = 200;
            }
            else
            {
                Response.StatusCode = 404;
            }

            return(temp);
        }