public IActionResult AddPilot([FromBody] Pilot pilot)
{
if (!ModelState.IsValid)
{
return(BadRequest() as IActionResult);
}
var entity = service.HirePilot(pilot);
return(entity == null?StatusCode(409) as IActionResult : Created($"{Request.Scheme}://{Request.Host}{Request.Path}{entity.Id}", entity));
}