public string HandleMessage(string userId, string userInput, ref EEContext eContext)
{
if (eContext.GetType() != typeof(ExamContext))
{
eContext = new ExamContext(userId);
}
ExamContext context = (ExamContext)eContext;
ExamProcessor processor = new ExamProcessor();
string respStr = null;
ExamSelectionInfo sInfo = sStore.GetSelectionInfo();
Dictionary <string, ExamOption> selectionOptionMap = sStore.GetSelectionMap();
ExamInfo info = null;
switch (context.stage)
{
case StageType.Init:
respStr = sInfo.optionMessage + "\r\n";
foreach (string key in selectionOptionMap.Keys)
{
respStr += "（" + key + "）" + selectionOptionMap[key].courseName + " ";
}
context.stage = StageType.Start;
break;
case StageType.Start:
bool isMatched = Utils.Utils.IsRegexMatched(sInfo.optionRegex, userInput);
if (isMatched)
{
if (selectionOptionMap.ContainsKey(userInput))
{
ExamOption option = selectionOptionMap[userInput];
ExamPreProcessor preProcessor = new ExamPreProcessor();
info = preProcessor.GenerateProcessItems(option);
eStore.SetExamInfo(userId, info);
respStr = info.courseName + "\r\n" + (string.IsNullOrWhiteSpace(info.description)?"":(info.description + "\r\n")) + info.items[context.processContext.index].question;
context.stage = StageType.InProcess;
}
else
{
throw new Exception("Option " + userInput + " is not available.");
}
}
else
{
respStr = sInfo.askbackMessage + "\r\n" + sInfo.optionMessage;
context.selectContext.askbackTime++;
}
break;
case StageType.InProcess:
info = eStore.GetExamInfo(userId);
respStr = processor.ProcessItem(userId, userInput, ref context, ref info);
break;
case StageType.Paused:
info = eStore.GetExamInfo(userId);
respStr = info.restartMessage;
context.stage = StageType.Restarted;
break;
case StageType.Restarted:
info = eStore.GetExamInfo(userId);
if (userInput.Trim().ToLower() != "y")
{
context.processContext = new ExamProcessContext();
}
respStr = processor.ProcessItem(userId, userInput, ref context, ref info);
context.stage = StageType.InProcess;
break;
}
if (context.stage == StageType.Completed)
{
cStore.RemoveContext(userId);
eStore.RemoveExamInfo(userId);
}
else
{
if (context.stage == StageType.Paused)
{
context.processContext.askbackTime = 0;
}
cStore.SetContext(userId, context);
}
return(respStr);
}
public ExamController()
{
ExamSelectionInfo sInfo = sStore.GetSelectionInfo();
Dictionary <string, ExamOption> selectionOptionMap = sStore.GetSelectionMap();
}
