private void CheckAuthoriztion()
{
while (!Authorization && AuthorizationWnd)
{
try
{
AuthorizationWindow AWnd = new AuthorizationWindow();
if (AWnd.ShowDialog() == true)
{
List <string> login = Database.GetListOfRowsToColumn("SELECT [Логин] FROM [User] WHERE [Логин] = '" + Cryptographer.Encryption(AWnd.Login) + "'", "[Логин]");
List <string> password = Database.GetListOfRowsToColumn("SELECT [Пароль] FROM [User] WHERE [Пароль] = '" + Cryptographer.Encryption(AWnd.Password) + "'", "[Пароль]");
if (Cryptographer.Encryption(AWnd.Password) == login[0] &&
Cryptographer.Encryption(AWnd.Login) == password[0])
{
Authorization = true;
if (login[0] != Cryptographer.Encryption("Admin"))
{
setting.IsEnabled = false;
}
}
}
}
catch (Exception)
{
MessageBox.Show("Проверьте правильность ввода логина и пароля", "Ошибка авторизации", MessageBoxButton.OK, MessageBoxImage.Warning);
}
}
if (!AuthorizationWnd)
{
Close();
}
}
static public List <string> GetListOfRowsToColumn(string query /* Строка запроса*/,
string column /* Название столбца */,
bool necessaryDecrypt = false /* Необходима ли дешифровка */)
{
dataTable = new DataTable();
List <string> listOfRows = new List <string>();
try
{
command = new SqlCommand("USE [Airport] " + query, connection);
adapter = new SqlDataAdapter(command);
connection.Open();
adapter.Fill(dataTable);
int i = 0;
foreach (DataRow row in dataTable.Rows)
{
if (necessaryDecrypt)
{
if (dataTable.Rows.ToString() == Cryptographer.Encryption(column))
{
i++;
}
listOfRows.Add(Cryptographer.Decryption(row[i].ToString()));
}
else
{
if (dataTable.Columns.ToString() == column)
{
i++;
}
listOfRows.Add(row[i].ToString());
}
}
}
catch (SqlException ex)
{
MessageBox.Show(ex.Message, "Исключение (SqlException)", MessageBoxButton.OK, MessageBoxImage.Warning);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Исключение (Exception)", MessageBoxButton.OK, MessageBoxImage.Warning);
}
finally
{
if (connection.State == ConnectionState.Open)
{
connection.Close();
}
}
return(listOfRows);
}
private void User_DeleteByLogin_Click(object sender, RoutedEventArgs e)
{
if ((userDeleteByLogin.Items.IndexOf(userDeleteByLogin.Text) >= 0))
{
user.Login = userDeleteByLogin.Text;
Database.Query("DELETE FROM [User] WHERE [Логин] = '" + Cryptographer.Encryption(user.Login) + "'");
Database.Query("SELECT * FROM [User]", userGrid, necessaryDecrypt: true);
UpdateAllCombobx();
}
else
{
MessageBox.Show("Выберите логин пользователя из списка", "Предупреждение", MessageBoxButton.OK, MessageBoxImage.Warning);
}
}
private void User_Update_Click(object sender, RoutedEventArgs e)
{
if ((userUpdateLogin.Items.IndexOf(userUpdateLogin.Text) >= 0) && userUpdatePassword.Text != "" && userUpdateFullName.Text != "")
{
user.Login = userUpdateLogin.Text;
user.Password = userUpdatePassword.Text;
user.FullName = userUpdateFullName.Text;
string query = "UPDATE [User] SET [Пароль] = '" + Cryptographer.Encryption(user.Password) + "', [ФИО] = '" + Cryptographer.Encryption(user.FullName) + "' WHERE [Логин] = '" + Cryptographer.Encryption(user.Login) + "'";
string[] sqlVariables = { "Login", "Password", "FullName" };
object[] obj = { Cryptographer.Encryption(user.Login), Cryptographer.Encryption(user.Password), Cryptographer.Encryption(user.FullName) };
Database.Query(query, sqlVariables, obj);
Database.Query("SELECT * FROM [User]", userGrid, necessaryDecrypt: true);
UpdateAllCombobx();
}
else
{
MessageBox.Show("Проверьте, заполнены ли все поля", "Предупреждение", MessageBoxButton.OK, MessageBoxImage.Warning);
}
}
private void User_Add_Click(object sender, RoutedEventArgs e)
{
if (userAddLogin.Text != "" && userAddPassword.Text != "" && userAddFullName.Text != "")
{
user.Login = userAddLogin.Text;
user.Password = userAddPassword.Text;
user.FullName = userAddFullName.Text;
string query = "INSERT INTO [User]([Логин], [Пароль], [ФИО])" +
"VALUES (@Login, @Password, @FullName)";
string[] sqlVariables = { "Login", "Password", "FullName" };
object[] obj = { Cryptographer.Encryption(user.Login), Cryptographer.Encryption(user.Password), Cryptographer.Encryption(user.FullName) };
if (Database.Query(query, sqlVariables, obj) == 2627)
{
MessageBox.Show("Невозможно добавить новый объект, так как уже имеется пользователь с таким логином", "Предупреждение", MessageBoxButton.OK, MessageBoxImage.Warning);
}
Database.Query("SELECT * FROM [User]", userGrid, necessaryDecrypt: true);
UpdateAllCombobx();
}
else
{
MessageBox.Show("Проверьте, заполнены ли все поля", "Предупреждение", MessageBoxButton.OK, MessageBoxImage.Warning);
}
}
private void UpdateAllCombobx()
{
userUpdateLogin.ItemsSource = Database.GetListOfRowsToColumn("SELECT [Логин] FROM [User]", "[Логин]", necessaryDecrypt: true);
userDeleteByLogin.ItemsSource = Database.GetListOfRowsToColumn("SELECT [Логин] FROM [User] WHERE [Логин] != '" + Cryptographer.Encryption("Admin") + "'", "[Логин]", necessaryDecrypt: true);
}