public IActionResult Delete(int id)
{
var retVal = _missionService.Remove(id);
if (retVal == 0)
{
return(NotFound()); //Not Found 404
}
else if (retVal == -1)
{
return(StatusCode(412, "DbUpdateConcurrencyException")); //Precondition Failed - concurrency
}
else
{
return(NoContent()); //No Content 204
}
}