public static void addStudents() // to add a new student
{
Console.WriteLine("Please enter a student ID: ");
string sID = Console.ReadLine();
Console.WriteLine("Please enter a student name: ");
string name = Console.ReadLine();
Console.WriteLine("Please enter the fees due: ");
double outF = Double.Parse(Console.ReadLine());
Console.WriteLine("Please enter enrollment date: ");
string enrDate = Console.ReadLine();
Console.WriteLine("Is " + name + " studying full time? (y/n) : ");
if (Console.ReadLine().Equals("y")) // decides object type
{
FTStudent fts = new FTStudent(sID, name, outF, enrDate); // Program(not dependant on StudentList) ->
StudentManger.Instance.addStudent(fts); // StudentManager(receive student object) ->
} // StudentList (Dependancy Inversion)
else
{
PTStudent pts = new PTStudent(sID, name, outF, enrDate);
StudentManger.Instance.addStudent(pts);
}
StudentManger.Instance.saveStudents();
}
public static Student ToStudent(string txt)
{ //converts txt string to studentObject
string[] lineParts = txt.Split(',');
if (lineParts[0].Equals("0"))
{
PTStudent pt = new PTStudent(lineParts[1], lineParts[2], Double.Parse(lineParts[3]), lineParts[4]);
return(pt);
}
else
{
FTStudent ft = new FTStudent(lineParts[1], lineParts[2], Double.Parse(lineParts[3]), lineParts[4]);
return(ft);
}
}
public static string ToFileString(Student st)
{ //converts student to delimeted string
string line = "";
if (st.GetType() == typeof(PTStudent))
{
PTStudent tempPTS = (PTStudent)st;
line = "0," + tempPTS.StudentID + "," + tempPTS.Name + "," + tempPTS.OutstandingFees + "," + tempPTS.EnrollDate;
}
else
{
FTStudent tempFTS = (FTStudent)st;
line = "1," + tempFTS.StudentID + "," + tempFTS.Name + "," + tempFTS.OutstandingFees + "," + tempFTS.EnrollDate;
}
return(line);
}
public void addStudent(FTStudent ft) //override
{
StudentList.Instance.lsStudents.Add(ft);
Console.WriteLine("Student successfully added");
}