public async Task <CourseDto> Handle(Query request, CancellationToken cancellationToken)
{
// handler logic goes here
var item = await services.GetByIdAsync(request.Id);
if (item == null)
{
throw new RestException(HttpStatusCode.BadRequest, new { message = "Không tìm thấy khóa học" });
}
return(item);
}
public async Task <IHttpActionResult> GetByIdAsync(string id)
{
//validate id
if (string.IsNullOrEmpty(id) || !Guid.TryParse(id, out var _))
{
return(BadRequest());
}
try
{
var result = await _courseService.GetByIdAsync(id);
return(result == null?NotFound() : (IHttpActionResult)Ok(result));
}
catch (InvalidOperationException ex)
{
return(InternalServerError(ex));
}
}