public IHttpActionResult GetById(string id)
{
//validate id
if (string.IsNullOrEmpty(id) || !Guid.TryParse(id, out var _))
{
return(BadRequest());
}
try
{
var result = _courseService.GetById(id);
return(result == null?NotFound() : (IHttpActionResult)Ok(result));
}
catch (InvalidOperationException ex)
{
return(InternalServerError(ex));
}
}