private void userAuthenticationVarification(object sender, EventArgs e)
{
this.userAuthenticationVarificationHundler();
try
{
int tempUsernameTxt = Convert.ToInt32((this.user_authentication.username_txt.Text));
if (BankManagementUserSrc.userAuthentication(tempUsernameTxt, this.user_authentication.password_txt.Password))
{
this.boothMainScreenHundler();
}
else
{
this.user_authentication.wellcom_gettings_txt.Content = "you entered a wrong user name or password ... :(";
}
}
catch (Exception h)
{
this.user_authentication.wellcom_gettings_txt.Content = "please enter valid user name ... :(";
}
finally
{
this.user_authentication.username_txt.Clear();
this.user_authentication.password_txt.Clear();
this.databaseOflineMode();
}
}
public void databaseOflineMode()
{
this.database_status.Content = BankManagementUserSrc.connectionTest();
if (!BankManagementUserSrc.ConnectionStatus)
{
this.boothMainScreenHundler();
this.booth_main_screen_default_Loader();
this.userAuthenticationVarificationHundler();
this.user_authentication.wellcom_gettings_txt.Content = "database is offline ...:(";
this.user_authentication.username_txt.IsEnabled = false;
this.user_authentication.password_txt.IsEnabled = false;
this.user_authentication.login_btn.IsEnabled = false;
this.database_status.Content = "offline";
this.databse_reload_btn.IsEnabled = true;
}
else
{
if (this.user_authentication.username_txt.IsEnabled == false && this.user_authentication.password_txt.IsEnabled == false && this.user_authentication.login_btn.IsEnabled == false)
{
this.userAuthenticationVarificationHundler();
}
this.databse_reload_btn.IsEnabled = false;
this.database_status.Content = "online";
}
}
public static Boolean withdraw(int tempUserName, Double tempBalance)
{
try
{
var connection = new MySqlConnection(connectionString);
connection.Open();
MySqlCommand tempBalanceUpdate = new MySqlCommand("SELECT balance FROM `bank_users` WHERE userId = " + tempUserName + ";", connection);
double tempMainBalance = Convert.ToDouble(tempBalanceUpdate.ExecuteScalar().ToString());
if (tempBalance <= tempMainBalance)
{
tempMainBalance -= tempBalance;
BankManagementUserSrc.updateBalance(tempUserName, tempMainBalance, tempBalance, "Withdraw");
if (BankManagementUserSrc.userName == tempUserName)
{
BankManagementUserSrc.balance = tempMainBalance;
}
BankManagementUserSrc.connectionStatus = true;
return(true);
}
connection.Close();
}
catch (Exception ex)
{
BankManagementUserSrc.connectionStatus = false;
return(false);
}
return(false);
}
public static Boolean userAuthentication(int userName, string password)
{
try
{
var connection = new MySqlConnection(connectionString);
MySqlCommand userNameAndPasswordSerch = new MySqlCommand("SELECT COUNT(*) FROM `bank_users` WHERE userId = " + userName + " and password = '******'", connection);
connection.Open();
if (Convert.ToString(userNameAndPasswordSerch.ExecuteScalar()) == "1")
{
BankManagementUserSrc.updateData(userName, password);
BankManagementUserSrc.connectionStatus = true;
return(true);
}
connection.Close();
}
catch (Exception ex)
{
BankManagementUserSrc.connectionStatus = false;
return(false);
}
return(false);
}
public static Boolean transfer(int sender, int recever, Double tempBalance)
{
try
{
var reciverConnection = new MySqlConnection(connectionString);
MySqlCommand reciverSerch = new MySqlCommand("SELECT COUNT(*) FROM `bank_users` WHERE userId = " + userName + " and password = '******'", reciverConnection);
reciverConnection.Open();
if (Convert.ToString(reciverSerch.ExecuteScalar()) == "1")
{
if (BankManagementUserSrc.withdraw(sender, tempBalance) && BankManagementUserSrc.deposit(recever, tempBalance))
{
return(true);
}
}
BankManagementUserSrc.connectionStatus = true;
reciverConnection.Close();
}
catch (Exception ex)
{
BankManagementUserSrc.connectionStatus = false;
return(false);
}
return(false);
}