/// <summary>
/// Creates the new math practice.
/// </summary>
/// <returns></returns>
public MathPractice CreateNewSession()
{
MathPractice item = new MathPractice();
item.CreateQuestions();
CreateSessions(item);
return item;
}
/// <summary>
/// Retrieves from session.
/// </summary>
/// <returns></returns>
public MathPractice RetrieveFromSession()
{
//Read the session cookie
MathPractice item;
if(!string.IsNullOrEmpty(UserID))
{
item = m_RavenSession.Load<MathPractice>(UserID);
if(item == null || item.ID < 0)
{
item = new MathPractice();
item.CreateQuestions();
CreateSessions(item);
}
}
else
{
//initialize a link list with max 20 operations
item = new MathPractice();
item.CreateQuestions();
CreateSessions(item);
}
return item;
}