/// <summary>
/// Creates a Mark object and it write the Mark object inside the marks file
/// </summary>
/// <param name="mark">the mark of quiz</param>
/// <param name="type">type of quiz</param>
/// <param name="timeToFinish">time taken to finish the quiz</param>
public static void WriteMark(int mark, QuizType type, int timeToFinish)
{
Mark m = new Mark();
m.mark = mark;
m.name = "";
m.secendsToFinish = timeToFinish;
m.quizType = type;
m.DateTime = DateTime.Now;
WriteMark(m);
}
/// <summary>
/// Get a Mark List of all marks saved on marks file
/// </summary>
/// <returns>the Mark List</returns>
public static List<Mark> ReadAllMarks()
{
List<Mark> list = new List<Mark>();
bool Delete = false;
using (FileStream fs = new FileStream(TheFile, FileMode.Open, FileAccess.Read))
{
BinaryReader br = new BinaryReader(fs);
try
{
while (fs.Length != fs.Position)
{
Mark m = new Mark();
{
int temp = br.ReadInt32();
int year = (temp >= 50 ? 1900 + temp : 2000 + temp);
m.DateTime = new DateTime(year, br.ReadInt32(), br.ReadInt32(), br.ReadInt32(), br.ReadInt32(), br.ReadInt32());
}
m.quizType.ConvertByteToType(br.ReadByte());
m.mark = br.ReadInt32();
m.secendsToFinish = br.ReadInt32();
m.name = br.ReadString() + ' ' + br.ReadString();
list.Add(m);
}
}
catch (IOException)
{
Delete = true;
}
br.Close();
fs.Close();
}
if (Delete)
{
ClearFile();
return new List<Mark>();
}
return list;
}
/// <summary>
/// Write the Mark object inside the marks file
/// </summary>
/// <param name="mark">the Mark object, all properties are set</param>
public static void WriteMark(Mark mark)
{
File.SetAttributes(TheFile, FileAttributes.Normal);
using (FileStream fs = new FileStream(TheFile, FileMode.Append, FileAccess.Write))
{
BinaryWriter bw = new BinaryWriter(fs);
// date & time
bw.Write(mark.DateTime.Year % 100);
bw.Write(mark.DateTime.Month);
bw.Write(mark.DateTime.Day);
bw.Write(mark.DateTime.Hour);
bw.Write(mark.DateTime.Minute);
bw.Write(mark.DateTime.Second);
bw.Write(mark.quizType.ConvertTypeToByte()); // Quiz type
bw.Write(mark.mark); // the mark
bw.Write(mark.secendsToFinish); // Time taken to finish
bw.Write(Program.name.LastName); // Last Name of person
bw.Write(Program.name.FirstName); // First Name of person
bw.Close();
fs.Close();
}
File.SetAttributes(TheFile, FileAttributes.ReadOnly);
}
