private int GetNewCurrentStudent(Student student)
{
var nextId = -1;
if (_model.Students.Count > 1)
{
var studentInfo = StudentInfo.GetStudentById(student.StudentId);
var currentIndex = _model.Students.IndexOf(studentInfo);
if (currentIndex < _model.Students.Count - 1)
{
nextId = _model.Students[currentIndex + 1].StudentId;
}
else
{
nextId = _model.Students[currentIndex - 1].StudentId;
}
}
return(nextId);
}
