public static Quiz LoadQuiz(string name)
{
CardList list = new CardList();
Quiz quiz = new Quiz(list);
quiz.Title = name;
loadMetaData(quiz);
loadCards(quiz, list);
return(quiz);
}
public static Quiz LoadQuiz(string pathname)
{
CardList list = new CardList();
Quiz quiz = new Quiz(list);
StreamReader file = new StreamReader(pathname);
// First check the header
checkHeader(file);
loadMetaData(file, quiz);
loadCards(file, list);
file.Close();
return(quiz);
}
public static Quiz LoadQuiz(Quiz quiz)
{
if (quiz.Title == "")
{
return(quiz);
}
CardList list = new CardList();
quiz.Cards = list;
loadMetaData(quiz);
loadCards(quiz, list);
return(quiz);
}
static void loadCards(Quiz quiz, CardList list)
{
string sql = "SELECT * FROM \"question\" WHERE \"quiz\" = @quiz";
SQLiteCommand command = new SQLiteCommand(sql, dbConn);
command.Parameters.Add("@quiz", DbType.Int32);
command.Parameters["@quiz"].Value = quiz.ID;
SQLiteDataReader reader = command.ExecuteReader();
while (reader.Read())
{
Card card = new Card(reader["question"].ToString(), reader["answer"].ToString());
card.Type = reader["type"].ToString();
// Fallback to flashcard type in case something went wrong
if (card.Type == "")
{
card.Type = "flashcard";
}
card.ID = int.Parse(reader["id"].ToString());
if (card.Type == "multiplechoice")
{
string options = reader["options"].ToString();
string[] optionArray = options.Split(new string[] { ";;" }, StringSplitOptions.None);
if (optionArray.Length != 4)
{
continue;
}
card.AddOption(0, optionArray[0]);
card.AddOption(1, optionArray[1]);
card.AddOption(2, optionArray[2]);
card.AddOption(3, optionArray[3]);
}
list.Add(card);
}
}
public Quiz(CardList list)
{
ID = 0;
LastModified = DateTime.Now;
Cards = list;
}
public Quiz()
{
ID = 0;
LastModified = DateTime.Now;
Cards = new CardList();
}
static void loadCards(StreamReader file, CardList list)
{
string line;
Card card = new Card();
while ((line = file.ReadLine()) != null)
{
// Comments begin with #
if (line[0] == '#')
{
continue;
}
// === signifies the end of each question
if (line == "===")
{
list.Add(card);
card = new Card();
continue;
}
string property = "";
string value = "";
int position = line.IndexOf(':');
if (position > 0)
{
property = line.Substring(0, position);
value = line.Substring(position + 1).Trim();
}
switch (property)
{
case "question":
card.Question = value;
break;
case "type":
// Fallback to flashcard if type is blank
if (value == "")
{
value = "flashcard";
}
card.Type = value;
break;
case "answer":
card.Answer = value;
break;
case "a":
card.AddOption(0, value);
break;
case "b":
card.AddOption(1, value);
break;
case "c":
card.AddOption(2, value);
break;
case "d":
card.AddOption(3, value);
break;
}
}
// Add last card to deck
list.Add(card);
}
