private void Log_in_button_Click(object sender, RoutedEventArgs e)
{
if (Models_Combobox.SelectedIndex < 0)
{
MessageBox.Show("Выберите модель из списка");
return;
}
string model = Models_Combobox.SelectedItem.ToString();
string Cur_dir = Directory.GetCurrentDirectory();
string model_dir = Cur_dir + "\\" + model;
if (!Directory.Exists(model_dir))
{
MessageBox.Show("Модель не существует!");
Models.Remove(model);
return;
}
if (!Is_Model_Valid(model_dir))
{
if (MessageBox.Show("Модель повреждена! Удалить каталог?", "Ошибка модели",
MessageBoxButton.YesNo) == MessageBoxResult.Yes)
{
Directory.Delete(model_dir, true);
Models.Remove(model);
}
else
{
Models.Remove(model);
}
return;
}
string login = Login_textbox.Text;
List <Model_Subject> subjects = JsonConvert.DeserializeObject <List <Model_Subject> >
(File.ReadAllText(model_dir + "\\Subject_list.json"));
Model_Subject subject = subjects.Find(s => s.Login == login);
if (subject == null || Model_Subject.Get_Hash(Passwordbox.Password) != subject.Password_hash)
{
MessageBox.Show("Неверный логин или пароль!");
return;
}
Passwordbox.Clear();
this.Visibility = Visibility.Hidden;
if (subject.Security_Level == 0)
{
Administrator_Window administrator_Window = new Administrator_Window(subject, model);
administrator_Window.ShowDialog();
}
else
{
User_Window user_Window = new User_Window(subject, model);
user_Window.ShowDialog();
}
this.Visibility = Visibility.Visible;
Login_textbox.Clear();
}
private void SingUp_button_Click(object sender, EventArgs e)
{
Login_textbox.Clear();
Password_textbox.Clear();
Guest_checkbox.Checked = false;
Regestration reg = new Regestration(connect_sql);
reg.ShowDialog();
}
private void Guest_checkbox_CheckedChanged(object sender, EventArgs e)
{
if (Guest_checkbox.Checked == true)
{
Login_textbox.Clear();
Password_textbox.Clear();
Login_textbox.Enabled = false;
Password_textbox.Enabled = false;
}
else
{
Login_textbox.Enabled = true;
Password_textbox.Enabled = true;
}
}
private void SingUp_button_Click(object sender, EventArgs e)
{
if (Login_textbox.Text.Length == 0 || Password1_textbox.Text.Length == 0 || Password2_textbox.Text.Length == 0)
{
MessageBox.Show("Будь ласка, заповніть всі поля!", "Помилка", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
if (Password1_textbox.Text.Length != 0 && Password2_textbox.Text.Length != 0 && Password1_textbox.Text != Password2_textbox.Text)
{
Password1_textbox.Clear();
Password2_textbox.Clear();
MessageBox.Show("Повториний пароль не співпадає з паролем!", "Помилка", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
if (Login_textbox.Text.Length != 0 && Password1_textbox.Text.Length != 0 && Password2_textbox.Text.Length != 0 && Password1_textbox.Text == Password2_textbox.Text)
{
SqlCommand command_sql = connect_sql.CreateCommand();
command_sql.CommandType = CommandType.Text;
command_sql.CommandText = "SELECT COUNT(*) FROM Таблиця_входу WHERE Логін = '" + Login_textbox.Text + "'and Пароль = '" + Password1_textbox.Text + "';";
command_sql.ExecuteNonQuery();
string res = command_sql.ExecuteScalar().ToString();
int count = Convert.ToInt32(res);
if (count == 1)
{
MessageBox.Show("Логін - " + Login_textbox.Text + "зайнятий\n Оберіть новий логін!", "Помилка", MessageBoxButtons.OK, MessageBoxIcon.Error);
Login_textbox.Clear();
Password1_textbox.Clear();
Password2_textbox.Clear();
}
else
{
command_sql.CommandText = "INSERT INTO Таблиця_входу ([Логін], [Пароль], [Рівень_доступу]) VALUES" + "(N'" + Login_textbox.Text + "', N'" + Password1_textbox.Text + "', N'" + "Низький" + "')";
command_sql.ExecuteNonQuery();
MessageBox.Show("Користувач - '" + Login_textbox.Text + "' зареєстрований в системі!", "Повідомлення", MessageBoxButtons.OK, MessageBoxIcon.Information);
this.Close();
}
}
}
private void Models_Combobox_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e) => Login_textbox.Focus();
private void DeleteClientButton_Click(object sender, RoutedEventArgs e)
{
try
{
int id = Convert.ToInt32(ID_textbox.Text);
string connectionString = @"Data Source =.\SQLEXPRESS; Initial Catalog = FitnessCenter; Integrated Security = True";
SqlConnection connection = new SqlConnection(connectionString);
connection.Open();
string cmdTxt = $"DELETE FROM Clients WHERE ID_client = '{id}'";
SqlCommand command = new SqlCommand(cmdTxt, connection);
int number = command.ExecuteNonQuery();
MessageBox.Show("Изменения сохранены успешно!\nУдалено объектов: " + number, "Статус действия", MessageBoxButton.OK, MessageBoxImage.Information);
ID_textbox.Clear(); Surname_textbox.Clear(); Name_textbox.Clear(); Patronymic_textbox.Clear();
Phone_textbox.Clear(); DataBirth_textbox.Clear(); Address_textbox.Clear(); Login_textbox.Clear();
Password_textbox.Clear();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "ERROR!", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private void AddClientButton_Click(object sender, RoutedEventArgs e)
{
try
{
int id = Convert.ToInt32(ID_textbox.Text);
string surname = Surname_textbox.Text;
string name = Name_textbox.Text;
string patronymic = Patronymic_textbox.Text;
string phone = Phone_textbox.Text;
string data = DataBirth_textbox.Text;
string adres = Address_textbox.Text;
string login = Login_textbox.Text;
string password = Password_textbox.Text;
string connectionString = @"Data Source =.\SQLEXPRESS; Initial Catalog = FitnessCenter; Integrated Security = True";
SqlConnection connection = new SqlConnection(connectionString);
connection.Open();
string cmdTxt = $"INSERT INTO Clients (ID_client, Surname, Name, Patronymic, PhoneNumber, DateOfBirth, Address, Login, Password) VALUES ('{id}', '{surname}', '{name}', '{patronymic}', '{phone}', '{data}', '{adres}', '{login}', '{password}')";
SqlCommand command = new SqlCommand(cmdTxt, connection);
int number = command.ExecuteNonQuery();
MessageBox.Show("Изменения сохранены успешно!\nВставлено объектов: " + number, "Статус действия", MessageBoxButton.OK, MessageBoxImage.Information);
ID_textbox.Clear(); Surname_textbox.Clear(); Name_textbox.Clear(); Patronymic_textbox.Clear();
Phone_textbox.Clear(); DataBirth_textbox.Clear(); Address_textbox.Clear(); Login_textbox.Clear();
Password_textbox.Clear();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "ERROR!", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private void ChangeClientButton_Click(object sender, RoutedEventArgs e)
{
try
{
int old_id = Convert.ToInt32(ID_textbox.Text);
string old_surname = Surname_textbox.Text;
string old_name = Name_textbox.Text;
string old_patronymic = Patronymic_textbox.Text;
string old_phone = Phone_textbox.Text;
string old_data = DataBirth_textbox.Text;
string old_adres = Address_textbox.Text;
string old_login = Login_textbox.Text;
string old_password = Password_textbox.Text;
int id = Convert.ToInt32(NewID_textbox.Text);
string surname = NewSurname_textbox.Text;
string name = NewName_textbox.Text;
string patronymic = NewPatronymic_textbox.Text;
string phone = Phone_textbox.Text;
string data = NewDateBirth_textbox.Text;
string adres = NewAddress_textbox.Text;
string connectionString = @"Data Source =.\SQLEXPRESS; Initial Catalog = FitnessCenter; Integrated Security = True";
SqlConnection connection = new SqlConnection(connectionString);
connection.Open();
string cmdTxt1 = $"UPDATE Clients SET Surname = '{surname}' WHERE ID_client = '{old_id}'";
SqlCommand command1 = new SqlCommand(cmdTxt1, connection);
string cmdTxt2 = $"UPDATE Clients SET Name = '{name}' WHERE ID_client = '{old_id}'";
SqlCommand command2 = new SqlCommand(cmdTxt2, connection);
string cmdTxt3 = $"UPDATE Clients SET Patronymic = '{patronymic}' WHERE ID_client = '{old_id}'";
SqlCommand command3 = new SqlCommand(cmdTxt3, connection);
string cmdTxt4 = $"UPDATE Clients SET PhoneNumber = '{phone}' WHERE ID_client = '{old_id}'";
SqlCommand command4 = new SqlCommand(cmdTxt4, connection);
string cmdTxt5 = $"UPDATE Clients SET DateOfBirth = '{data}' WHERE ID_client = '{old_id}'";
SqlCommand command5 = new SqlCommand(cmdTxt5, connection);
string cmdTxt6 = $"UPDATE Clients SET Address = '{adres}' WHERE ID_client = '{old_id}'";
SqlCommand command6 = new SqlCommand(cmdTxt6, connection);
command1.ExecuteNonQuery(); command2.ExecuteNonQuery(); command3.ExecuteNonQuery(); command4.ExecuteNonQuery(); command5.ExecuteNonQuery(); command6.ExecuteNonQuery();
MessageBox.Show("Изменения сохранены успешно!", "Статус действия", MessageBoxButton.OK, MessageBoxImage.Information);
ID_textbox.Clear(); Surname_textbox.Clear(); Name_textbox.Clear(); Patronymic_textbox.Clear();
Phone_textbox.Clear(); DataBirth_textbox.Clear(); Address_textbox.Clear(); Login_textbox.Clear();
Password_textbox.Clear();
NewID_textbox.Clear(); NewSurname_textbox.Clear(); NewName_textbox.Clear(); NewPatronymic_textbox.Clear();
NewPhone_textbox.Clear(); NewDateBirth_textbox.Clear(); NewAddress_textbox.Clear();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "ERROR!", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
private void Enter_button_Click(object sender, EventArgs e)
{
if (Guest_checkbox.Checked == true)
{
Add_form add = new Add_form(connect_sql);
add.ShowDialog();
Guest_checkbox.Checked = false;
}
else if (Guest_checkbox.Checked == false)
{
if (Login_textbox.Text.Length == 0 && Password_textbox.Text.Length != 0)
{
MessageBox.Show("Поле 'Логін' не заповнено!", "Помилка", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (Login_textbox.Text.Length != 0 && Password_textbox.Text.Length == 0)
{
MessageBox.Show("Поле 'Пароль' не заповнено!", "Помилка", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (Login_textbox.Text.Length == 0 && Password_textbox.Text.Length == 0)
{
MessageBox.Show("Поля 'Логін' і 'Пароль' не заповнено!", "Помилка", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (Password_textbox.Text.Length != 0 && Login_textbox.Text.Length != 0)
{
SqlCommand command_sql = connect_sql.CreateCommand();
command_sql.CommandType = CommandType.Text;
string access;
command_sql.CommandText = "SELECT COUNT(*) FROM Таблиця_входу WHERE Логін = '" + Login_textbox.Text + "'and Пароль = '" + Password_textbox.Text + "';";
command_sql.ExecuteNonQuery();
string res = command_sql.ExecuteScalar().ToString();
int count = Convert.ToInt32(res);
if (count == 1)
{
command_sql.CommandText = "SELECT Рівень_доступу FROM Таблиця_входу WHERE Логін = '" + Login_textbox.Text + "'and Пароль = '" + Password_textbox.Text + "';";
access = command_sql.ExecuteScalar().ToString();
main_menu menu = new main_menu(connect_sql);
MainForm main = new MainForm(connect_sql);
Add_form add = new Add_form(connect_sql);
if (access == "Високий")
{
menu.enter_level(access);
main.enter_level(access);
menu.ShowDialog();
}
if (access == "Середній")
{
menu.enter_level(access);
main.enter_level(access);
menu.ShowDialog();
}
if (access == "Низький")
{
menu.enter_level(access);
main.enter_level(access);
add.ShowDialog();
}
Login_textbox.Clear();
Password_textbox.Clear();
}
else
{
Password_textbox.Clear();
MessageBox.Show("Невірний логін чи пароль!", "Помилка", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
}
}
