public static string studentReport(List <Student> students)
{
int fullTime = 0;
int distance = 0;
string ftStudents = String.Empty;
string dtStudents = String.Empty;
foreach (Student item in students)
{
if (item is FullTimeStudent)
{
FullTimeStudent fts = (FullTimeStudent)item;
fullTime++;
ftStudents += $"{fts.getId()}\t{fts.getFirstName()}\t{fts.getLectureHours()}\t{fts.getCampus()}\n";
}
else if (item is DistanceStudent)
{
DistanceStudent dts = (DistanceStudent)item;
distance++;
dtStudents += $"{dts.getId()}\t{dts.getFirstName()}\t{dts.getLectureHours()}\t{dts.getFacilitator()}\n";
}
}
return($"There are {fullTime} Full Time Students\nThere are {distance} Part Time Students\n\nFULL TIME STUDENTS:\n{ftStudents}\n\nPART TIME STUDENTS:\n{dtStudents}");
}
static void addStudent(int selection)
{
Console.Write("STUDENT ID >> ");
string id = Console.ReadLine();
Console.Write("FIRST NAME >> ");
string fName = Console.ReadLine();
Console.Write("LAST NAME >> ");
string lName = Console.ReadLine();
FileWorker fw = new FileWorker(filename);
if (selection == 0)
{
Console.Write("CAMPUS >> ");
string campus = Console.ReadLine();
FullTimeStudent fts = new FullTimeStudent(id, fName, lName, true, campus);
ListHolder.addStudent(fts);
fw.addToFile(StudentFormatter.formatForWrite(fts));
}
else
{
Console.Write("FACILITATOR >> ");
string facilitator = Console.ReadLine();
DistanceStudent dts = new DistanceStudent(id, fName, lName, true, facilitator);
ListHolder.addStudent(dts);
fw.addToFile(StudentFormatter.formatForWrite(dts));
}
System.Console.WriteLine($"Student with id {id} added");
System.Console.WriteLine("Press any key to go back ...");
Console.ReadKey();
addStudentMenu();
}
public static string formatForWrite(Student stIn)
{
if (stIn is FullTimeStudent)
{
FullTimeStudent fts = (FullTimeStudent)stIn;
return($"F#{fts.getId()}#{fts.getFirstName()}#{fts.getLastName()}#{fts.getCampus()}");
}
else if (stIn is DistanceStudent)
{
DistanceStudent dts = (DistanceStudent)stIn;
return($"D#{dts.getId()}#{dts.getFirstName()}#{dts.getLastName()}#{dts.getFacilitator()}");
}
else
{
return($"E#{stIn.getId()}");
}
}
public List <Student> readFile()
{
List <Student> students = new List <Student>();
if (new FileInfo(filename).Length > 0)
{
string[] lines = File.ReadAllLines(filename);
if (lines.Length > 0)
{
foreach (string line in lines)
{
string[] record = line.Split('#');
if (record[0].Equals("F"))
{
string id = record[1];
string fName = record[2];
string lName = record[3];
string campus = record[4];
FullTimeStudent fts = new FullTimeStudent(id, fName, lName, true, campus);
students.Add(fts);
}
if (record[0].Equals("D"))
{
string id = record[1];
string fName = record[2];
string lName = record[3];
string facilitator = record[4];
DistanceStudent dts = new DistanceStudent(id, fName, lName, true, facilitator);
students.Add(dts);
}
}
}
}
return(students);
}