public async Task <JsonResult> Create_Answer(TestQuestionAnswerDTO model)
{
string error = null;
int id = 0;
var errorList = ModelState.Where(n => n.Value.Errors.Any()).ToDictionary(
kvp => kvp.Key,
kvp => kvp.Value.Errors.Select(e => e.ErrorMessage).ToArray()
);
try
{
if (!ModelState.IsValid && errorList.Count > 0)
{
throw new Exception(string.Join(',', errorList.First().Value));
}
id = await TestService.Answer_AddAsync(model);
}
catch (Exception ex)
{
error = ex.Message;
}
return(Json(new { id, error, errorList }));
}
public EditAnswerPageViewModel(UserDTO user, int?id, int questionId)
{
User = user;
QuestionId = questionId;
Answer = new TestQuestionAnswerDTO();
new Task(async() => await GetBusyWith(FetchData(id))).Start();
}
public async Task <int> Answer_AddAsync(TestQuestionAnswerDTO answer)
{
var obj = _mapper.Map <TestQuestionAnswerDTO, TestQuestionAnswer>(answer);
DB.TestQuestionAnswerRepository.Add(obj);
await DB.SaveChangesAsync();
return(obj.TestQuestionAnswerId);
}
public async Task FetchData(int?id)
{
if (id == null || id == 0)
{
Answer = new TestQuestionAnswerDTO()
{
QuestionId = QuestionId
};
return;
}
HttpClient client = new HttpClient();
var response = await client.GetStringAsync(String.Format(@"tests/findanswer?login={0}&password={1}&id={2}".ToUrl(), User.Login, User.Password, id));
if (response != null)
{
TestQuestionAnswerDTO answer = JsonConvert.DeserializeObject <TestQuestionAnswerDTO>(response);
if (answer != null)
{
Answer = answer;
}
}
IsNotBusy = true;
}
public string FindAnswer(string login, string password, int id)
{
using MyContext context = new MyContext();
var user = AuthHelper.FindUser(login, password, context);
if (user == null)
{
return(null);
}
var answer = context.TestQuestionAnswers.FirstOrDefault(tqa => tqa.Id == id);
if (answer == null)
{
return(null);
}
var answerDTO = new TestQuestionAnswerDTO()
{
Id = answer.Id,
IsRight = answer.IsRight,
Text = answer.Text
};
return(answerDTO.ToJson());
}