private void ButtonSave_Click(object sender, EventArgs e)
        {
            SectionModel editedSection = section;

            editedSection.SectionName = textBoxSectionName.Text.Trim();
            editedSection.FacultyId   = faculty.Id;

            SectionTimeController   stcontroller    = new SectionTimeController();
            List <SectionTimeModel> allSectionTimes = stcontroller.GetByFaculty(faculty.Id);

            try
            {
                editedSection.IsValid();

                //Console.WriteLine("Section name: " + section.SectionName);
                //Console.WriteLine("Section facultyID: " + section.FacultyId);

                SectionTimeModel editedSectionTime1 = sectionTimes[0];
                if (comboBoxClassType1.SelectedIndex == 0)
                {
                    editedSectionTime1.ClassType = ClassTypes.Lab;
                }
                else if (comboBoxClassType1.SelectedIndex == 1)
                {
                    editedSectionTime1.ClassType = ClassTypes.Theory;
                }

                editedSectionTime1.RoomNo      = textBoxRoomNo1.Text;
                editedSectionTime1.StartTimeId = comboBoxStartTime1.SelectedIndex + 1;
                editedSectionTime1.EndTimeId   = comboBoxEndTime1.SelectedIndex + 1;
                editedSectionTime1.WeekDayId   = comboBoxWeekDay1.SelectedIndex + 1;

                //Console.WriteLine("Section Time 1 info:");
                //Console.WriteLine("Start Id: " + editedSectionTime1.StartTimeId);
                //Console.WriteLine("End Id: " + editedSectionTime1.EndTimeId);
                //Console.WriteLine("Day Id: " + editedSectionTime1.WeekDayID);
                //Console.WriteLine("Room no: " + editedSectionTime1.RoomNo);
                //Console.WriteLine("Class type: " + editedSectionTime1.ClassType.ToString());
                //Console.WriteLine("Class length: " + (editedSectionTime1.EndTimeId - editedSectionTime1.StartTimeId).ToString());

                try
                {
                    editedSectionTime1.IsValid();

                    foreach (SectionTimeModel model in allSectionTimes)
                    {
                        if (model.Id != editedSectionTime1.Id)
                        {
                            if (model.WeekDayId == editedSectionTime1.WeekDayId)
                            {
                                if (editedSectionTime1.StartTimeId < model.EndTimeId && editedSectionTime1.StartTimeId >= model.StartTimeId)
                                {
                                    //Console.WriteLine("Clash with\nstart id: " + model.StartTimeId + "\nend id: " + model.EndTimeId);
                                    throw new Exception("Section 1 time clashes with another section. Please choose a different time");
                                }
                                if (editedSectionTime1.EndTimeId <= model.EndTimeId && editedSectionTime1.EndTimeId > model.StartTimeId)
                                {
                                    //Console.WriteLine("Clash with\nstart id: " + model.StartTimeId + "\nend id: " + model.EndTimeId);
                                    throw new Exception("Section 1 time clashes with another section. Please choose a different time");
                                }
                                if (editedSectionTime1.StartTimeId < model.StartTimeId && editedSectionTime1.EndTimeId > model.EndTimeId)
                                {
                                    //Console.WriteLine("Clash with\nstart id: " + model.StartTimeId + "\nend id: " + model.EndTimeId);
                                    throw new Exception("Section 1 time clashes with another section. Please choose a different time");
                                }
                            }
                        }
                    }

                    SectionTimeModel editedSectionTime2 = new SectionTimeModel();
                    if (!(sectionTimes.Count == 1))
                    {
                        editedSectionTime2 = sectionTimes[1];
                    }

                    if (comboBoxClassType2.SelectedIndex == 0)
                    {
                        editedSectionTime2.ClassType = ClassTypes.Lab;
                    }
                    else if (comboBoxClassType2.SelectedIndex == 1)
                    {
                        editedSectionTime2.ClassType = ClassTypes.Theory;
                    }
                    editedSectionTime2.RoomNo      = textBoxRoomNo2.Text;
                    editedSectionTime2.StartTimeId = comboBoxStartTime2.SelectedIndex + 1;
                    editedSectionTime2.EndTimeId   = comboBoxEndTime2.SelectedIndex + 1;
                    editedSectionTime2.WeekDayId   = comboBoxWeekDay2.SelectedIndex + 1;

                    //Console.WriteLine("Section Time 2 info:");
                    //Console.WriteLine("Start Id: " + editedSectionTime2.StartTimeId);
                    //Console.WriteLine("End Id: " + editedSectionTime2.EndTimeId);
                    //Console.WriteLine("Day Id: " + editedSectionTime2.WeekDayID);
                    //Console.WriteLine("Room no: " + editedSectionTime2.RoomNo);
                    //Console.WriteLine("Class type: " + editedSectionTime2.ClassType.ToString());
                    //Console.WriteLine("Class length: " + (editedSectionTime2.EndTimeId - editedSectionTime2.StartTimeId).ToString());

                    SectionModel editedSectionRetured = new SectionModel();
                    try
                    {
                        if (!checkBoxIgnore.Checked)
                        {
                            editedSectionTime2.IsValid();

                            foreach (SectionTimeModel model in allSectionTimes)
                            {
                                if (model.Id != editedSectionTime2.Id)
                                {
                                    if (model.WeekDayId == editedSectionTime2.WeekDayId)
                                    {
                                        if (editedSectionTime2.StartTimeId < model.EndTimeId && editedSectionTime2.StartTimeId >= model.StartTimeId)
                                        {
                                            throw new Exception("Section 2 time clashes with another section. Please choose a different time");
                                        }
                                        if (editedSectionTime2.EndTimeId <= model.EndTimeId && editedSectionTime2.EndTimeId > model.StartTimeId)
                                        {
                                            throw new Exception("Section 2 time clashes with another section. Please choose a different time");
                                        }
                                        if (editedSectionTime2.StartTimeId < model.StartTimeId && editedSectionTime2.EndTimeId > model.EndTimeId)
                                        {
                                            //Console.WriteLine("Clash with\nstart id: " + model.StartTimeId + "\nend id: " + model.EndTimeId);
                                            throw new Exception("Section 2 time clashes with another section. Please choose a different time");
                                        }
                                    }
                                }
                            }
                        }
                        SectionController controller = new SectionController();

                        try
                        {
                            //Console.WriteLine("Updating with name and id: " + editedSection.SectionName + " " + editedSection.Id);
                            editedSectionRetured = controller.Update(section);

                            //Console.WriteLine("Edited section id: " + editedSection.Id);

                            editedSectionTime1.SectionId = editedSectionRetured.Id;
                            if (!checkBoxIgnore.Checked)
                            {
                                editedSectionTime2.SectionId = editedSectionRetured.Id;
                            }

                            SectionTimeController controller2 = new SectionTimeController();

                            try
                            {
                                controller2.Update(editedSectionTime1);
                                if (!checkBoxIgnore.Checked)
                                {
                                    controller2.Update(editedSectionTime2);
                                }

                                MessageBox.Show(editedSectionRetured.SectionName + " edited!");
                                buttonBack.PerformClick();
                            }
                            catch (Exception ex)
                            {
                                MessageBox.Show(ex.Message);
                            }
                        }
                        catch (Exception ex)
                        {
                            MessageBox.Show(ex.Message);
                        }
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show(ex.Message);
                    }
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
        private void ButtonCreate_Click(object sender, EventArgs e)
        {
            SectionModel section = new SectionModel();

            section.SectionName = textBoxSectionName.Text.Trim();
            section.FacultyId   = faculty.Id;

            SectionTimeController   stcontroller = new SectionTimeController();
            List <SectionTimeModel> sectionTimes = stcontroller.GetByFaculty(faculty.Id);

            try
            {
                section.IsValid();

                //Console.WriteLine("Section name: " + section.SectionName);
                //Console.WriteLine("Section facultyID: " + section.FacultyId);

                SectionTimeModel sectionTime1 = new SectionTimeModel();
                if (comboBoxClassType1.SelectedIndex == 0)
                {
                    sectionTime1.ClassType = ClassTypes.Lab;
                }
                else if (comboBoxClassType1.SelectedIndex == 1)
                {
                    sectionTime1.ClassType = ClassTypes.Theory;
                }

                sectionTime1.RoomNo      = textBoxRoomNo1.Text;
                sectionTime1.StartTimeId = comboBoxStartTime1.SelectedIndex + 1;
                sectionTime1.EndTimeId   = comboBoxEndTime1.SelectedIndex + 1;
                sectionTime1.WeekDayId   = comboBoxWeekDay1.SelectedIndex + 1;

                //Console.WriteLine("Section Time 1 info:");
                //Console.WriteLine("Start Id: " + sectionTime1.StartTimeId);
                //Console.WriteLine("End Id: " + sectionTime1.EndTimeId);
                //Console.WriteLine("Day Id: " + sectionTime1.WeekDayID);
                //Console.WriteLine("Room no: " + sectionTime1.RoomNo);
                //Console.WriteLine("Class type: " + sectionTime1.ClassType.ToString());
                //Console.WriteLine("Class length: " + (sectionTime1.EndTimeId - sectionTime1.StartTimeId).ToString());

                try
                {
                    sectionTime1.IsValid();

                    foreach (SectionTimeModel model in sectionTimes)
                    {
                        if (model.WeekDayId == sectionTime1.WeekDayId)
                        {
                            if (sectionTime1.StartTimeId < model.EndTimeId && sectionTime1.StartTimeId >= model.StartTimeId)
                            {
                                //Console.WriteLine("Clash 1 with\nstart id: " + model.StartTimeId + "\nend id: " + model.EndTimeId);
                                throw new Exception("Section 1 time clashes with another section. Please choose a different time");
                            }
                            if (sectionTime1.EndTimeId <= model.EndTimeId && sectionTime1.EndTimeId > model.StartTimeId)
                            {
                                //Console.WriteLine("Clash 2 with\nstart id: " + model.StartTimeId + "\nend id: " + model.EndTimeId);
                                throw new Exception("Section 1 time clashes with another section. Please choose a different time");
                            }
                            if (sectionTime1.StartTimeId < model.StartTimeId && sectionTime1.EndTimeId > model.EndTimeId)
                            {
                                //Console.WriteLine("Clash 3 with\nstart id: " + model.StartTimeId + "\nend id: " + model.EndTimeId);
                                throw new Exception("Section 1 time clashes with another section. Please choose a different time");
                            }
                        }
                    }

                    SectionTimeModel sectionTime2 = new SectionTimeModel();
                    if (!checkBoxIgnore.Checked)
                    {
                        if (comboBoxClassType2.SelectedIndex == 0)
                        {
                            sectionTime2.ClassType = ClassTypes.Lab;
                        }
                        else if (comboBoxClassType2.SelectedIndex == 1)
                        {
                            sectionTime2.ClassType = ClassTypes.Theory;
                        }
                        sectionTime2.RoomNo      = textBoxRoomNo2.Text;
                        sectionTime2.StartTimeId = comboBoxStartTime2.SelectedIndex + 1;
                        sectionTime2.EndTimeId   = comboBoxEndTime2.SelectedIndex + 1;
                        sectionTime2.WeekDayId   = comboBoxWeekDay2.SelectedIndex + 1;

                        //Console.WriteLine("Section Time 2 info:");
                        //Console.WriteLine("Start Id: " + sectionTime2.StartTimeId);
                        //Console.WriteLine("End Id: " + sectionTime2.EndTimeId);
                        //Console.WriteLine("Day Id: " + sectionTime2.WeekDayID);
                        //Console.WriteLine("Room no: " + sectionTime2.RoomNo);
                        //Console.WriteLine("Class type: " + sectionTime2.ClassType.ToString());
                        //Console.WriteLine("Class length: " + (sectionTime2.EndTimeId - sectionTime2.StartTimeId).ToString());
                    }

                    SectionModel createdSection = new SectionModel();
                    try
                    {
                        if (!checkBoxIgnore.Checked)
                        {
                            sectionTime2.IsValid();
                            foreach (SectionTimeModel model in sectionTimes)
                            {
                                if (model.WeekDayId == sectionTime2.WeekDayId)
                                {
                                    if (sectionTime2.StartTimeId < model.EndTimeId && sectionTime2.StartTimeId >= model.StartTimeId)
                                    {
                                        throw new Exception("Section 2 time clashes with another section. Please choose a different time");
                                    }
                                    if (sectionTime2.EndTimeId <= model.EndTimeId && sectionTime2.EndTimeId > model.StartTimeId)
                                    {
                                        throw new Exception("Section 2 time clashes with another section. Please choose a different time");
                                    }
                                    if (sectionTime2.StartTimeId < model.StartTimeId && sectionTime2.EndTimeId > model.EndTimeId)
                                    {
                                        //Console.WriteLine("Clash 3 with\nstart id: " + model.StartTimeId + "\nend id: " + model.EndTimeId);
                                        throw new Exception("Section 2 time clashes with another section. Please choose a different time");
                                    }
                                }
                            }
                        }
                        SectionController controller = new SectionController();

                        try
                        {
                            createdSection = controller.Create(section);

                            //Console.WriteLine("Created section id: " + createdSection.Id);

                            sectionTime1.SectionId = createdSection.Id;
                            if (!checkBoxIgnore.Checked)
                            {
                                sectionTime2.SectionId = createdSection.Id;
                            }

                            SectionTimeController controller2 = new SectionTimeController();

                            try
                            {
                                controller2.Create(sectionTime1);
                                if (!checkBoxIgnore.Checked)
                                {
                                    controller2.Create(sectionTime2);
                                }

                                MessageBox.Show(createdSection.SectionName + " created!");
                                LoadingForm loadingForm = new LoadingForm();

                                if (studentList.Count != 0)
                                {
                                    UserController ucontroller = new UserController();

                                    //loading screen

                                    loadingForm.Show();
                                    //Console.WriteLine("Starting loop");
                                    foreach (StudentUserModel student in studentList)
                                    {
                                        try
                                        {
                                            var createdStudent = ucontroller.Create(student);
                                            try
                                            {
                                                SectionStudentController sscontroller = new SectionStudentController();
                                                sscontroller.Create(createdSection.Id, student.Id);
                                            }
                                            catch (SQLiteException exc)
                                            {
                                                if (exc.ErrorCode == 19)
                                                {
                                                    MessageBox.Show("Error: Student already exists in this section");
                                                }
                                            }
                                            catch (Exception ex)
                                            {
                                                MessageBox.Show(ex.Message);
                                            }
                                        }
                                        catch (SQLiteException ex)
                                        {
                                            var existingStudent = ucontroller.GetByAcademicId(student.AcademicId);
                                            try
                                            {
                                                SectionStudentController sscontroller = new SectionStudentController();
                                                sscontroller.Create(createdSection.Id, existingStudent.Id);
                                            }
                                            catch (SQLiteException exc)
                                            {
                                                if (exc.ErrorCode == 19)
                                                {
                                                    MessageBox.Show("Error: Student already exists in this section");
                                                }
                                            }
                                            catch (Exception exc)
                                            {
                                                MessageBox.Show(exc.Message);
                                            }
                                        }
                                        loadingForm.Step(1);
                                    }
                                    //Console.WriteLine("Ending loop");
                                }
                                loadingForm.Close();

                                buttonBack.PerformClick();
                            }
                            catch (Exception ex)
                            {
                                MessageBox.Show(ex.Message);
                            }
                        }
                        catch (Exception ex)
                        {
                            MessageBox.Show(ex.Message);
                        }
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show(ex.Message);
                    }
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }