public ActionResult Take(int? Id)
{
// Load the question set
if (Id == null || Id == 0) return RedirectToAction("Index", "Home");
var qs = this.QuestionSets.GetById((int)Id);
if (qs == null) return RedirectToAction("Error", "Home");
// Load the response set
var rs = this.ResponseSets.GetByQuestionnaireAndUser((int)Id, (Guid)Membership.GetUser().ProviderUserKey);
if (rs != null)
{
// Response in progress, continue
return View("Steps/Continue", qs);
}
else
{
// Start a new response
rs = new ResponseSet();
rs.QuestionSetId = qs.Id;
rs.UserId = (Guid)Membership.GetUser().ProviderUserKey;
rs.QuestionCount = qs.Questions.Count;
rs.Responded = DateTime.Now;
rs = this.ResponseSets.AddOrUpdate(rs);
return View("Steps/Welcome", qs);
}
}
private ResponseSet UpdateEntity(ResponseSet entity)
{
// Ensure we get a valid QuestionSet to update
if (entity.Id == 0) throw new Exception("No ResponseSet specificied to update, should this be a new ResponseSet?");
var rs = this.uow.Context.ResponseSets.FirstOrDefault(x => x.Id == entity.Id && x.ValidTo == null);
if (rs == null) throw new Exception("No ResponseSet found to update, should this be a new QuestionSet?");
// Update the new entity
rs.Responded = entity.Responded;
rs.Completed = entity.Completed;
rs.Abandoned = entity.Abandoned;
rs.UserId = entity.UserId;
rs.QuestionSet = uow.Context.QuestionSets.FirstOrDefault(x => x.Id == entity.QuestionSetId);
rs.ValidFrom = DateTime.Now;
foreach (var response in entity.Responses)
{
if (rs.Responses.FirstOrDefault(x => x.Id == response.Id) != null)
continue;
Dal.Response r = null;
if (response.Id > 0)
{
r = this.uow.Context.Responses.FirstOrDefault(x => x.Id == response.Id);
if (r != null) r.ValidTo = DateTime.Now;
}
r = this.uow.Context.Responses.Create();
r.Question = uow.Context.Questions.FirstOrDefault(x => x.Id == response.QuestionId);
r.Answer = uow.Context.Answers.FirstOrDefault(x => x.Id == response.AnswerId);
r.Correct = response.Correct;
r.PointsGained = response.PointsGained;
r.ValidFrom = DateTime.Now;
this.uow.Context.Responses.Add(r);
rs.Responses.Add(r);
}
// Submit the changes to the database
this.uow.Save();
// We now have a database Id for this entity
entity.Id = rs.Id;
return entity;
}