public async Task <IActionResult> Create([Bind("UserId,SurveyId,Answer")] User_Answers user_Answers)
{
if (ModelState.IsValid)
{
_context.Add(user_Answers);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
ViewData["UserId"] = new SelectList(_context.Users, "Id", "Full_Name", user_Answers.UserId);
ViewData["SurveyId"] = new SelectList(_context.Surveys, "Id", "Question", user_Answers.SurveyId);
return(View(user_Answers));
}
public void Delete(User_Answers user_answers)
{
_context.Remove(user_answers);
}
public void Update(User_Answers user_answers)
{
_context.Update(user_answers);
}
public void Add(User_Answers user_answers)
{
_context.Add(user_answers);
}
public bool AnswerSubmit(PostVM VMobj)
{
User_Answers answers = new User_Answers();
answers.QuestionId = VMobj.questionId;
answers.UserId = VMobj.UserId;
answers.SelectedAnswerIds = VMobj.answerValues;
db.User_Answers.Add(answers);
//increse NumOfSelectedAnswers by one
string[] optionIds = VMobj.answerValues.Split(new Char[] { ';' });
int[] myIDs = Array.ConvertAll(optionIds, s => int.Parse(s));
var q_answer = db.Question_Answer_Values.Where(a => (myIDs).Contains(a.Id) && a.QuestionId == VMobj.questionId).ToList();
q_answer.ForEach(a => a.NumOfSelectedAnswers++);
//for (int i = 0; i < optionIds.Length; i++)
//{
// var q_answer = db.Question_Answer_Values.Single(x => x.QuestionId == VMobj.questionId && x.Id ==int.Parse(optionIds[i]));
// if (q_answer.NumOfSelectedAnswers != null)
// {
// q_answer.NumOfSelectedAnswers += 1;
// }
// else
// {
// q_answer.NumOfSelectedAnswers = 1;
// }
//}
var question = db.Questions.Single(x => x.Id == VMobj.questionId);
question.TotalAnswers += 1;
var user = db.AspNetUsers.Find(VMobj.UserId);
user.Points += 1;
try
{
db.SaveChanges();
return(true);
}
catch (DbEntityValidationException e)
{
foreach (var eve in e.EntityValidationErrors)
{
string err = string.Format("Entity of type \"{0}\" in state \"{1}\" has the following validation errors:",
eve.Entry.Entity.GetType().Name, eve.Entry.State);
foreach (var ve in eve.ValidationErrors)
{
string errr = string.Format("- Property: \"{0}\", Error: \"{1}\"",
ve.PropertyName, ve.ErrorMessage);
throw new Exception(errr);
}
}
return(false);
}
catch (System.Data.Entity.Infrastructure.DbUpdateException e)
{
string err = e.Message;
return(false);
}
}
