public YYaccountnumber GetByAccountNumber(string accountNumber)
{
YYaccountnumber account = null;
DbConnection.Instance().OpenConnection();
var queryString = "select * from `accounts` where username = @accountnumber and status = 1";
var cmd = new MySqlCommand(queryString, DbConnection.Instance().Connection);
cmd.Parameters.AddWithValue("@accountnumber", accountNumber);
var reader = cmd.ExecuteReader();
var isExist = reader.Read();
if (isExist)
{
account = new YYaccountnumber()
{
Accountnumber = reader.GetString("accountNumber"),
Username = reader.GetString("username"),
Password = reader.GetString("password"),
Salt = reader.GetString("salt"),
Fullname = reader.GetString("fullName"),
Balance = reader.GetInt32("balance")
};
}
DbConnection.Instance().CloseConnection();
return(account);
}
public Boolean Save(YYaccountnumber account)
{
DbConnection.Instance().OpenConnection();
var sqlQuery =
"insert into accounts (accountnumber,username,password,balance,identityCard,fullname,email,phoneNumber,address,dob,gender,createdAt,updateAt,status) " +
"values (@accountnumber,@username,@password,@balance,@identityCard,@fullname,@email,@phoneNumber,@address,@dob,@gender,@createdAt,@updateAt,@status)";
var cmd = new MySqlCommand(sqlQuery, DbConnection.Instance().Connection);
cmd.Parameters.AddWithValue("@accountnumber", account.Accountnumber);
cmd.Parameters.AddWithValue("@username", account.Username);
cmd.Parameters.AddWithValue("@password", account.Password);
cmd.Parameters.AddWithValue("@balance", account.Balance);
cmd.Parameters.AddWithValue("@identityCard", account.IdentityCard);
cmd.Parameters.AddWithValue("@fullname", account.Fullname);
cmd.Parameters.AddWithValue("@email", account.Email);
cmd.Parameters.AddWithValue("@phoneNumber", account.PhoneNumber);
cmd.Parameters.AddWithValue("@address", account.Address);
cmd.Parameters.AddWithValue("@dob", account.Dob);
cmd.Parameters.AddWithValue("@gender", account.Gender);
cmd.Parameters.AddWithValue("@createdAt", account.CreatedAt);
cmd.Parameters.AddWithValue("@updateAt", account.UpdateAt);
cmd.Parameters.AddWithValue("@status", account.Status);
cmd.Parameters.AddWithValue("@salt", account.Salt);
cmd.ExecuteNonQuery();
DbConnection.Instance().CloseConnection();
return(true);
}
public YYaccountnumber getUsername(string username)
{
DbConnection.Instance().OpenConnection();
var queryString = "select * from accounts where username = @username";
var cmd = new MySqlCommand(queryString, DbConnection.Instance().Connection);
cmd.Parameters.AddWithValue("@username", username);
var reader = cmd.ExecuteReader();
YYaccountnumber account = null;
if (reader.Read())
{
string accountnumber = reader.GetString("accountnumber");
string username1 = reader.GetString("username");
string password = reader.GetString("password");
decimal balance = reader.GetDecimal("balance");
string identityCard = reader.GetString("identityCard");
string fullName = reader.GetString("fullName");
string email = reader.GetString("email");
string phoneNumber = reader.GetString("phoneNumber");
string address = reader.GetString("address");
int gender = reader.GetInt32("gender");
account = new YYaccountnumber(accountnumber, username1, password, balance, identityCard, fullName,
email, phoneNumber, address, gender);
}
DbConnection.Instance().CloseConnection();
return(account);
}
private YYaccountnumber GetAccountInformation()
{
Console.WriteLine("----------------REGISTER INFORMATION----------------");
Console.WriteLine("Username: "******"Password: "******"Confirm Password: "******"Balance: ");
var balance = Utility.GetDecimalNumber();
Console.WriteLine("Identity Card: ");
var identityCard = Console.ReadLine();
Console.WriteLine("Full Name: ");
var fullName = Console.ReadLine();
Console.WriteLine("Birthday: ");
var birthday = Console.ReadLine();
Console.WriteLine("Gender (1. Male |2. Female| 3.Others): ");
var gender = Utility.GetInt32Number();
Console.WriteLine("Email: ");
var email = Console.ReadLine();
Console.WriteLine("Phone Number: ");
var phoneNumber = Console.ReadLine();
Console.WriteLine("Address: ");
var address = Console.ReadLine();
var acc = new YYaccountnumber()
{
Username = username,
Password = password,
Cpassword = cpassword,
IdentityCard = identityCard,
Gender = gender,
Balance = balance,
Address = address,
Dob = birthday,
Fullname = fullName,
Email = email,
PhoneNumber = phoneNumber
};
return(acc);
}
public bool Register()
{
YYaccountnumber account = GetAccountInformation();
Dictionary <string, string> errors = account.CheckValidate();
if (errors.Count > 0)
{
Console.WriteLine("Please fix errros below and try again.");
foreach (var error in errors)
{
Console.WriteLine(error);
}
return(false);
}
else
{
// Lưu vào database.
account.EncryptPassword();
model.Save(account);
return(true);
}
}
public bool Login()
{
Console.WriteLine("----------------LOGIN INFORMATION----------------");
Console.WriteLine("Username: "******"Password: ");
var password = Console.ReadLine();
YYaccountnumber existingAccount = model.getUsername(username);
if (existingAccount == null)
{
return(false);
}
if (!existingAccount.CheckEncryptedPassword(password))
{
return(false);
}
Program.currentLoggedInYyAccount = existingAccount;
return(true);
}
public bool TransferAmount(YYaccountnumber account, YYtransaction historyTransaction)
{
DbConnection.Instance().OpenConnection();
var transaction = DbConnection.Instance().Connection.BeginTransaction();
try
{
// Kiểm tra số tài khoản mới nhất
var queryBalance = "select `balance` from `account` where username = @username and status = 1";
MySqlCommand queryBalanceCommand = new MySqlCommand(queryBalance, DbConnection.Instance().Connection);
queryBalanceCommand.Parameters.AddWithValue("@username", account.Username);
var balanceReader = queryBalanceCommand.ExecuteReader();
// Không tìm thấy tài khoản tương ứng, throw lỗi.
if (!balanceReader.Read())
{
throw new TransactionException("Invalid username");
}
var currentBalance = balanceReader.GetDecimal("balance");
currentBalance -= historyTransaction.Amount;
balanceReader.Close();
// Update số dư vào database.
var updateAccountResult = 0;
var queryUpdateAccountBalance =
"update `accounts` set balance = @balance where username = @username and status = 1";
var cmdUpdateAccountBalance =
new MySqlCommand(queryUpdateAccountBalance, DbConnection.Instance().Connection);
cmdUpdateAccountBalance.Parameters.AddWithValue("@username", account.Username);
cmdUpdateAccountBalance.Parameters.AddWithValue("@balance", currentBalance);
updateAccountResult = cmdUpdateAccountBalance.ExecuteNonQuery();
// Lưu thông tin transaction vào bảng transaction.
var insertTransactionResult = 0;
var queryInsertTransaction = "insert into `transaction` " +
"(id, fromAccountNumber, amount, content, toAccountNumber, type, status) " +
"values (@id, @fromAccountNumber, @amount, @content, @toAccountNumber, @type, @status)";
var cmdInsertTransaction =
new MySqlCommand(queryInsertTransaction, DbConnection.Instance().Connection);
cmdInsertTransaction.Parameters.AddWithValue("@id", historyTransaction.Id);
cmdInsertTransaction.Parameters.AddWithValue("@fromAccountNumber",
historyTransaction.SenderAccountnumber);
cmdInsertTransaction.Parameters.AddWithValue("@amount", historyTransaction.Amount);
cmdInsertTransaction.Parameters.AddWithValue("@content", historyTransaction.Content);
cmdInsertTransaction.Parameters.AddWithValue("@toAccountNumber",
historyTransaction.ReceiverAccountnumber);
cmdInsertTransaction.Parameters.AddWithValue("@type", historyTransaction.Type);
cmdInsertTransaction.Parameters.AddWithValue("@status", historyTransaction.Status);
insertTransactionResult = cmdInsertTransaction.ExecuteNonQuery();
// Kiểm tra lại câu lệnh
if (updateAccountResult == 1 && insertTransactionResult == 1)
{
transaction.Commit();
return(true);
}
}
catch (TransactionException e)
{
transaction.Rollback();
return(false);
}
DbConnection.Instance().CloseConnection();
return(false);
}
