private void loadFile()
{
_questions = new List <QuestionInfo>();//New paper....
if (!File.Exists("QuestionBank.txt"))
{
return;
}
StreamReader reader = new StreamReader("QuestionBank.txt");
do
{
string line = reader.ReadLine();
string[] data = line.Split(',');
QuestionInfo info = new QuestionInfo();
info.QuestionNo = int.Parse(data[0]);
info.Subject = data[1];
info.Question = data[2];
string[] choices = new string[4];
for (int i = 3; i < 7; i++)
{
choices[i - 3] = data[i];
}
info.Choices = choices;
info.CorrectAnswer = data[7];
_questions.Add(info);
} while (!reader.EndOfStream);
reader.Close();
}
private static bool processMenu(string choice)
{
switch (choice.ToUpper())
{
default:
return(false);
case "N":
QuestionInfo question = createQuestion();
qp.AddNewQuestion(question);
return(true);
case "U":
return(true);
case "F":
string subject = UIComponent.GetString("Enter the Subject to find the Questions");
var questions = qp.FindQuestions(subject);
foreach (QuestionInfo info in questions)
{
displayQuestion(info);
}
return(true);
}
}
private static void displayQuestion(QuestionInfo question)
{
Console.WriteLine($"Question No: {question.QuestionNo}");
Console.WriteLine($"Subject: {question.Subject}");
Console.WriteLine($"Question: {question.Question}");
Console.WriteLine($"A: {question.Choices[0]}");
Console.WriteLine($"B: {question.Choices[1]}");
Console.WriteLine($"C: {question.Choices[2]}");
Console.WriteLine($"D: {question.Choices[3]}");
Console.WriteLine($"Right Answer: {question.CorrectAnswer}");
}
public void AddNewQuestion(QuestionInfo question)
{
if (question != null)
{
_questions.Add(question);//Adds the item to the bottom of the list...
saveFile();
}
else
{
//Throw an exception....
}
}
public void UpdateQuestion(QuestionInfo question)
{
//Iterate thro the master list and find the question based on id..
for (int i = 0; i < _questions.Count; i++)
{
if (_questions[i].QuestionNo == question.QuestionNo)
{
//Set the new details to the found QUestion
_questions[i].Question = question.Question;
_questions[i].Choices = question.Choices;
_questions[i].CorrectAnswer = question.CorrectAnswer;
_questions[i].Subject = question.Subject;
return;//exit the function...
}
}
}
private static QuestionInfo createQuestion()
{
QuestionInfo info = new QuestionInfo();
info.QuestionNo = UIComponent.GetInt("Enter the Question No:");
info.Subject = UIComponent.GetString("Enter the Subject");
info.Question = UIComponent.GetString("Enter the Question");
string[] choices = new string[4];
for (int i = 0; i < 4; i++)
{
choices[i] = UIComponent.GetString($"Enter the Choice{i+1}");
}
info.Choices = choices;
info.CorrectAnswer = UIComponent.GetString("Enter the Right Choice as A, B, C or D");
return(info);
}