public ActionResult ExecuteES(int? id)
{
if (!id.HasValue)
{
if (NodeStore.Ctx.QueStack == null) NodeStore.Ctx.InitStack();
if (NodeStore.Ctx.QueStack.Count == 0) RedirectToAction("DisplaySubject");
NodeStore.Ctx.FirstLevelQuestions.Pop();
id = NodeStore.Ctx.QueStack.Pop().Id;
return RedirectToAction("ExecuteES", new { id });
}
var que = NodeStore.Ctx.GetQuestions().First(x => x.Id == id);
var answers = NodeStore.Ctx.GetAnswers(id.Value);
var model = new QuestionDisplayModel(que, answers.ToList());
return View(model);
}
public ActionResult ExecuteES(QuestionDisplayModel model)
{
var id = int.Parse(model.SelectedAnswerId);
INode nexNode;
if (id == 0)
{
NodeStore.UnknowAnswer++;
LoadQuestions(model.Question.Id);
if (NodeStore.Ctx.QueStack.Count == 0)
{
if (NodeStore.Ctx.FirstLevelQuestions.Count != 0)
{
NodeStore.Ctx.QueStack.Push(NodeStore.Ctx.FirstLevelQuestions.Pop());
}
else
{
if (NodeStore.Ctx.QueStack.Count == 0) return RedirectToAction("DisplaySubject");
}
}
nexNode = SetNexNode();
if (nexNode.Id == 1) return RedirectToAction("DisplaySubject");
if (NodeStore.UnknowAnswer == 7) return RedirectToAction("DisplaySubject");
}
else
{
NodeStore.UnknowAnswer = 0;
NodeStore.Ctx.QueStack.Clear();
var answer = NodeStore.Ctx.GetAnswers(model.Question.Id).First(x => x.Id == id);
nexNode = NodeStore.Ctx.GetNode(answer.NextNodeId);
if (NodeStore.Ctx.QuestionAsked.Contains(nexNode.Id)) return RedirectToAction("DisplaySubject");
}
NodeStore.Ctx.QuestionAsked.Add(nexNode.Id);
return RedirectToAction(nexNode.IsLeaf ? "DisplaySubject" : "ExecuteES", new { id = nexNode.Id });
}