public async Task <IHttpActionResult> UpdateProblem(int id)
{
if (!user_service.IsAuthorizedToEditProblem(id))
{
return(Unauthorized());
}
// request contain must be of type multipart/form-data.
if (!Request.Content.IsMimeMultipartContent())
{
throw new HttpResponseException(HttpStatusCode.UnsupportedMediaType);
}
string root = HttpContext.Current.Server.MapPath("~/App_Data");
var provider = new MultipartFormDataStreamProvider(root);
try{
// Read the form data.
await Request.Content.ReadAsMultipartAsync(provider);
}
catch (Exception e) {
return(InternalServerError(e));
}
var problem_form = new ProblemCreationForm(provider.FormData, provider.FileData);
FormDataValidationResult result = problem_form.Validate();
if (!result.IsValid)
{
return(new BadHttpRequest(result.ErrorMessages));
}
try{
problem_repository.UpdateProblem(id, problem_form);
}
catch (ObjectNotFoundException e) {
return(InternalServerError(e));
}
return(Ok());
}