static void TopStudentsOption(Grades_Handler gH, Course_Handler cH, Student_Handler sH)
{
String sInput;
int cID;
Console.WriteLine("Which course?");
foreach (Course course in cH.getAllCourses())
{
Console.WriteLine(course.getID() + ".");
}
sInput = Console.ReadLine();
int.TryParse(sInput, out cID);
List <Top5> Top5List = new List <Top5>();
foreach (Student student in sH.getAllStudents())
{
Grades grades = gH.getGradesFromStudentAndCourse(student.getID(), cID);
if (grades != null)
{
if (Top5List.Capacity != 5)
{
Top5List.Add(new Top5()
{
name = student.getName(), Grade = grades.Grade_final
});
}
else
{
foreach (Top5 top5 in Top5List)
{
if (grades.Grade_final > top5.Grade)
{
Top5List.Remove(top5);
Top5List.Add(new Top5()
{
name = student.getName(), Grade = grades.Grade_final
});
}
break;
}
}
}
}
Top5List.OrderBy(Top5 => Top5.Grade);
Console.WriteLine("Top 5 is: ");
foreach (Top5 top5 in Top5List)
{
Console.WriteLine(top5.name + " " + top5.Grade);
}
Console.WriteLine("Press any key to continue....");
Console.ReadKey();
}
static void GPAOption(Grades_Handler gH, Student_Handler sH)
{
foreach (Student student in sH.getAllStudents())
{
float finalSum = 0;
int courseCnt = 0;
foreach (Grades grades in gH.getGradesFromStudent(student.getID()))
{
finalSum += grades.Grade_final;
courseCnt++;
}
Console.WriteLine(student.getName() + "'s GPA: " + finalSum / courseCnt);
Console.WriteLine("Press any key to continue....");
Console.ReadKey();
}
}
static void PerCourseOption(Grades_Handler gH, Course_Handler cH)
{
foreach (Course course in cH.getAllCourses())
{
float finalSum = 0;
int studentCnt = 0;
foreach (Grades grades in gH.getGradesFromCourse(course.getID()))
{
finalSum += grades.Grade_final;
studentCnt++;
}
Console.WriteLine(course.getName() + "'s Average GPA: " + finalSum / studentCnt);
Console.WriteLine("Press any key to continue....");
Console.ReadKey();
}
}
static void Main(string[] args)
{
Student_Handler sH = new Student_Handler();
Course_Handler cH = new Course_Handler();
Grades_Handler gH = new Grades_Handler();
int input;
do
{
Console.Clear();
Console.WriteLine("What do you want to do?");
Console.WriteLine("1. Students");
Console.WriteLine("2. Courses");
Console.WriteLine("3. Grades");
Console.WriteLine("4. GPA per Student");
Console.WriteLine("5. GPA per Course");
Console.WriteLine("6. Top 5 Students per Course");
Console.WriteLine("0. Exit");
String sInput = Console.ReadLine();
int.TryParse(sInput, out input);
Console.Clear();
switch (input)
{
case 0:
break;
case 1:
studentOption(sH);
break;
case 2:
courseOption(cH);
break;
case 3:
gradeOption(gH, sH, cH);
break;
case 4:
GPAOption(gH, sH);
break;
case 5:
PerCourseOption(gH, cH);
break;
case 6:
TopStudentsOption(gH, cH, sH);
break;
default:
Console.WriteLine("INVALID INPUT!");
break;
}
} while (input != 0);
List <String> students = new List <String>();
foreach (Student student in sH.getAllStudents())
{
students.Add(student.getID().ToString() + "," + student.getName() + "," + student.getGender());
}
String[] sToFile;
sToFile = (String[])students.ToArray();
File.WriteAllLines("Resources\\Student.txt", sToFile);
List <String> courses = new List <String>();
foreach (Course course in cH.getAllCourses())
{
courses.Add(course.getID().ToString() + "," + course.getName() + "," + course.getCode());
}
String[] cToFile;
cToFile = (String[])courses.ToArray();
File.WriteAllLines("Resources\\Courses.txt", cToFile);
List <String> gradesList = new List <String>();
foreach (Grades grades in gH.getAllGrades())
{
gradesList.Add(grades.SID.ToString() + "," + grades.CID.ToString() + "," + grades.Exercises.ToString() + "," + grades.Exams.ToString() + "," + grades.Finals.ToString() + "," + grades.Grade_final.ToString());
}
String[] gToFile;
gToFile = (String[])gradesList.ToArray();
File.WriteAllLines("Resources\\Grades.txt", gToFile);
Environment.Exit(0);
}
static void gradeOption(Grades_Handler gH, Student_Handler sH, Course_Handler cH)
{
String sInput;
int sID, options, cID;
do
{
Console.WriteLine("Which student's grade do you want to see?");
foreach (Student student in sH.getAllStudents())
{
Console.WriteLine("ID: " + student.getID());
}
sInput = Console.ReadLine();
int.TryParse(sInput, out sID);
ArrayList courses = cH.getAllCourses();
foreach (Grades grades in gH.getGradesFromStudent(sID))
{
Course course = (Course)courses[grades.CID];
Console.WriteLine("Course: " + course.getName());
Console.WriteLine("Exercises Grade: " + grades.Exercises);
Console.WriteLine("Exams Grade: " + grades.Exams);
Console.WriteLine("Finals Exam Grade: " + grades.Finals);
Console.WriteLine("Final Grade: " + grades.Grade_final);
Console.WriteLine();
}
Console.WriteLine("1. Add a gradebook");
Console.WriteLine("2. Edit a gradebook");
Console.WriteLine("3. Delete a gradebook");
Console.WriteLine("4. Back");
sInput = Console.ReadLine();
int.TryParse(sInput, out options);
Console.Clear();
float exercises, exams, finals_exam, final_grade;
switch (options)
{
case 1:
foreach (Course course in cH.getAllCourses())
{
Console.WriteLine(course.getID() + " " + course.getName());
}
sInput = Console.ReadLine();
int.TryParse(sInput, out cID);
Console.WriteLine("Exercises: ");
sInput = Console.ReadLine();
Single.TryParse(sInput, out exercises);
Console.WriteLine("Exams: ");
sInput = Console.ReadLine();
Single.TryParse(sInput, out exams);
Console.WriteLine("Finals Exams: ");
sInput = Console.ReadLine();
Single.TryParse(sInput, out finals_exam);
Console.WriteLine("Final Grade: ");
Single.TryParse(sInput, out final_grade);
gH.addGrades(new Grades(sID, cID, exercises, exams, finals_exam, final_grade));
break;
case 2:
foreach (Course course in cH.getAllCourses())
{
Console.WriteLine(course.getID() + " " + course.getName());
}
sInput = Console.ReadLine();
int.TryParse(sInput, out cID);
Console.WriteLine("Exercises: ");
sInput = Console.ReadLine();
Single.TryParse(sInput, out exercises);
Console.WriteLine("Exams: ");
sInput = Console.ReadLine();
Single.TryParse(sInput, out exams);
Console.WriteLine("Finals Exams: ");
sInput = Console.ReadLine();
Single.TryParse(sInput, out finals_exam);
Console.WriteLine("Final Grade: ");
Single.TryParse(sInput, out final_grade);
gH.editGrades(sID, cID, new Grades(sID, cID, exercises, exams,
finals_exam, final_grade));
break;
case 3:
foreach (Course course in cH.getAllCourses())
{
Console.WriteLine(course.getID() + " " + course.getName());
}
sInput = Console.ReadLine();
int.TryParse(sInput, out cID);
gH.deleteGrades(sID, cID);
break;
}
} while (options != 0);
}
