private List <Subject> GetSubjectsThatAreNotInTeacher(List <Subject> teacherSubjects)
{
ISubjectLogic subjectsOperations = Provider.GetInstance.GetSubjectOperations();
List <Subject> systemSubjects = subjectsOperations.GetSubjects();
return(systemSubjects?.Where(systemSubject => !teacherSubjects.Any(teacherSubject => systemSubject.Equals(teacherSubject))).ToList());
}
private Subject FindSubjectOnSystem(int code)
{
ISubjectLogic subjectOperations = DummyProvider.GetInstance.GetSubjectOperations();
List <Subject> subjects = subjectOperations.GetSubjects();
return(subjects.Find(x => x.GetCode() == code));
}
private void LoadFormData()
{
ISubjectLogic subjectOperations = Provider.GetInstance.GetSubjectOperations();
List <Subject> subjects = subjectOperations.GetSubjects();
foreach (Subject subject in subjects)
{
this.listBoxSystemSubjects.Items.Add(subject);
}
}
private void CheckIfIsThereAnySubjectInSystem()
{
ISubjectLogic subjectOperations = Provider.GetInstance.GetSubjectOperations();
List <Subject> subjects = subjectOperations.GetSubjects();
if (subjects.Count().Equals(0))
{
this.labelError.Text = "Currently there is not any subject in the system.";
this.labelError.Visible = true;
}
}
private void FillSubjectsComboBox()
{
ISubjectLogic subjectOperations = Provider.GetInstance.GetSubjectOperations();
List <Subject> subjects = subjectOperations.GetSubjects();
for (int index = 0; index < subjects?.Count(); index++)
{
this.comboBoxSelectSubjectToModify.Items.Add(subjects[index]);
}
this.comboBoxSelectSubjectToModify.DropDownStyle = ComboBoxStyle.DropDownList;
}
private void LoadFormInitialData()
{
IStudentLogic studentOperations = Provider.GetInstance.GetStudentOperations();
this.textBoxStudentNumber.Text = studentOperations.GetNextStudentNumber().ToString();
ISubjectLogic subjectOperations = Provider.GetInstance.GetSubjectOperations();
List <Subject> subjects = subjectOperations.GetSubjects();
foreach (Subject subject in subjects)
{
this.listBoxSystemSubjects.Items.Add(subject);
}
}
