// delete
public void DeleteStudent()
{
List <Student> students = ViewStudents();
if (students.Count != 0)
{
Student student = _optionSelector.SelectWayOfChoosingStudent();
if (student == null)
{
Console.WriteLine(Environment.NewLine + "The student data doesn't exist.");
}
else
{
List <StudentModule> studentModules = _studentModulePresenter.GetStudentModuleByStudentId(student.StudentId);
if (studentModules.Count == 0)
{
_studentPresenter.DeleteStudent(student.StudentId);
Console.WriteLine(Environment.NewLine + "Successfully deleted.");
}
else
{
Console.WriteLine("The student still has some modules. Please unaasign the student to all the modules, so you can delete the data.");
}
}
}
else
{
}
}
// show which modules student takes by selecting student id
public void ViewStudentModuleByStudentId()
{
List <Student> students = _studentView.ViewStudents();
Console.WriteLine(Environment.NewLine);
if (students.Count != 0)
{
Console.WriteLine("Please type in the student id to check which modules he/she takes.");
int studentId = _optionSelector.SelectIntOption();
Student student = _studentPresenter.GetStudentById(studentId);
List <StudentModule> studentModules = _studentModulePresenter.GetStudentModuleByStudentId(studentId);
if (student != null)
{
if (studentModules.Count != 0)
{
bool once = true;
foreach (StudentModule studentModule in studentModules)
{
if (once)
{
Console.WriteLine("[Student Info]" + Environment.NewLine);
_studentView.ShowStudentEachData(studentModule.Student);
Console.WriteLine(Environment.NewLine + "[Module Info of the student's]");
once = false;
}
Console.WriteLine($"Module Id: {studentModule.Module.ModuleId} Module Name: {studentModule.Module.ModuleName}");
}
}
else
{
Console.WriteLine("The student doesn't take any module so far.");
}
}
else
{
Console.WriteLine("Sorry, the student data couldn't be found.");
}
}
else
{
}
}
