public Customer_BO Withdraw(int accountNo, int amount)
{
bool found = false;
//load data from file and put in records list
record = bDAL.load();
Customer_BO cbo = new Customer_BO();
//check in record list if account number matches and balance is sufficient
foreach (Customer_BO bo in record)
{
if (accountNo == bo.AccountNumber && amount <= bo.Balance)
{
found = true;
bo.Balance -= amount;
//save record list in file
bDAL.save(record);
cbo = bo;
}
}
if (!found)
{
cbo.AccountNumber = -1;
}
//return business object
return(cbo);
}
/*Method transder money from one account and add to other account*/
public bool Transfer(Customer_BO depositor, Customer_BO customer, int amount)
{
bool result = false;
Transaction_BO transaction = new Transaction_BO();
Customer_DAL customer_DAL = new Customer_DAL();
List <Customer_BO> list = customer_DAL.getAccountList();
foreach (Customer_BO cus in list)
{
if (cus.Account_No == customer.Account_No)
{
customer.Balance = customer.Balance + amount;
cus.Balance = customer.Balance + amount;
depositor.Balance = depositor.Balance - amount;
Customer_BO obj = list.FirstOrDefault(obj1 => obj1.Account_No == depositor.Account_No);
if (obj != null)
{
obj.Balance = depositor.Balance - amount;
}
break;
}
}
bool isSaved = customer_DAL.saveAccounList(list);
if (isSaved == true)
{
result = true;
}
string transType = "Cash Transfer";
DateTime dateTime = DateTime.UtcNow.Date;
transaction = createTransactionObj(amount, transType, depositor.userName, depositor.holderName, dateTime);
customer_DAL.saveTransaction(transaction);
return(result);
}
/*Helper method to add balance in account*/
private bool addCash(Customer_BO customer, int amount, string transType)
{
bool result = false;
Transaction_BO transaction = new Transaction_BO();
Customer_DAL customer_DAL = new Customer_DAL();
List <Customer_BO> list = customer_DAL.getAccountList();
foreach (Customer_BO cus in list)
{
if (cus.Account_No == customer.Account_No)
{
customer.Balance = customer.Balance + amount;
cus.Balance = cus.Balance + amount;
break;
}
}
DateTime dateTime = DateTime.UtcNow;
dateTime = dateTime.Date;
transaction = createTransactionObj(amount, transType, customer.userName, customer.holderName, dateTime);
customer_DAL.saveTransaction(transaction);
bool isSaved = customer_DAL.saveAccounList(list);
if (isSaved == true)
{
result = true;
}
return(result);
}
/*Method give account no last account created*/
public int getHighestAccountNo(string fileName)
{
try
{
int accountNo = 0; Customer_BO customer = null;
string filePath = Path.Combine(Environment.CurrentDirectory, fileName);
if (File.Exists(filePath))
{
StreamReader sr = new StreamReader(filePath);
string jsoninput = sr.ReadLine();
while (jsoninput != null)
{
customer = JsonSerializer.Deserialize <Customer_BO>(jsoninput);
if (customer.Account_No > accountNo)
{
accountNo = customer.Account_No;
}
jsoninput = sr.ReadLine();
}
sr.Close();
}
return(accountNo + 1);
}
catch (Exception)
{
return(-1);
}
}
/// <summary>
/// search For Account
/// </summary>
private void searchForAccount()
{
Console.WriteLine("Searching for an Account...");
int accNo = inputAccountNo("Account ID: ", false);
int UserNo = inputAccountNo("User ID: ", false);
string name = inputName("Holders Name: ", false);
string type = inputType("Type (saving, current): ", false);
int balance = inputBalance("Balance: ", false);
string status = inputStatus("Status(active, disabled): ", false);
bo = new Customer_BO
{
Acc_Id = accNo,
User_Id = UserNo,
Name = name,
Type = type,
Balance = balance,
Login = "",
Pin = "",
Status = status,
LastWDTime = DateTime.Now,
TodayWDAmount = 0
};
List <Customer_BO> list = bll.searchForAccount(bo);
displayCustomerInformation(list);
}
/// <summary>
/// create New Account
/// </summary>
private void createNewAccount()
{
Console.WriteLine("Creating an Account...");
string login = inputLogin("Login: "******"Pin Code: ", true);
string name = inputName("Holders Name: ", true);
string type = inputType("Type (Saving, Current): ", true);
int balance = inputBalance("Starting Balance: ", true);
string status = inputStatus("Status(active, disabled): ", true);
bo = new Customer_BO
{
Login = login,
Pin = pin,
Name = name,
Type = type,
Balance = balance,
Status = status
};
(bool flag, int accNo) = bll.createNewAccount(bo);
if (flag)
{
Console.Clear();
Console.WriteLine("Account Successfully Created – the account number assigned is: " + accNo);
}
else
{
Console.Clear();
Console.WriteLine("Login already Exist. Try Again With Different Login");
}
}
public void Deposit(int accountNo)
{
int amount = default;
Console.Write("Enter the cash amount to deposit : ");
try
{
//get amount input from user
amount = System.Convert.ToInt32(Console.ReadLine());
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
//if amount is a negative value or zero the display error message
if (amount < 1)
{
Console.WriteLine("Enter a valid amount");
}
else
{
//create customer business object bo
Customer_BO bo = new Customer_BO();
//call deposit function and return the value to bo
bo = cBLL.deposit(accountNo, amount);
Console.WriteLine("Cash deposited sucessfully");
//ask if user wants to print reciept
Console.Write("do you wish to print a receipt (Y/N) ? : ");
string confirm = Console.ReadLine();
if (confirm == "Y")
{
Console.WriteLine("\n");
//Display account number
Console.Write($"Account # {bo.AccountNumber}");
string date = bo.datetime.ToString("dd/MM/yyyy");
Console.WriteLine("\n");
Console.Write(date);
Console.WriteLine("\n");
Console.WriteLine($"Depostited : {amount }");
Console.Write($"Balance : {bo.Balance}\n");
//Display Deposited amount:amount
//Display balance
}
else if (confirm == "N")
{
Console.WriteLine("Receipt will not be printed!");
}
else
{
Console.WriteLine("No valid option chosen");
}
}
//return to main menu
MainMenu(accountNo);
}
/*Method display plance of customer*/
public void displayBalance(Customer_BO customer)
{
DateTime dateTime = DateTime.UtcNow.Date;
string date = dateTime.ToString("dd/MM/yyyy");
WriteLine($"Account #{customer.Account_No}");
WriteLine("Date " + date);
WriteLine($"Balance: {customer.Balance}");
}
/// <summary>
/// create New Account
/// </summary>
/// <param name="c">Customer_BO</param>
public void createNewAccount(Customer_BO c)
{
string text = $"{c.Acc_Id},{c.User_Id},{encryptLogin(c.Login)},{encryptPin(c.Pin)},{c.Name},{c.Type}," +
$"{c.Balance},{c.Status},{(c.LastWDTime).ToShortDateString()},{c.TodayWDAmount}";
StreamWriter Writer = new StreamWriter(new FileStream(filePathCustomer, FileMode.Append, FileAccess.Write));
Writer.WriteLine(text);
Writer.Close();
}
public void Update(string accountNum)
{
//create bool variable to check if accountNumber entered is in record
bool exists = false;
//put only "AccountNumber string in list to search only with Account number"
List <string> arguments = new List <string>();
arguments.Add("AccountNumber");
List <Customer_BO> accountFound = adminBLL.SearchAccount(accountNum, "", "", "", "", "", arguments);
//if nothing in list then make exists bool false
if (accountFound.Count == 0)
{
exists = false;
}
else
{
exists = true;
}
//if some record is found display its data
if (exists)
{
Customer_BO bo = accountFound.First();
Console.WriteLine($"Account # {bo.AccountNumber}");
Console.WriteLine($"Type : {bo.AccountType}");
Console.WriteLine($"Holder : {bo.Name}");
Console.WriteLine($"Balance : {bo.Balance}");
Console.WriteLine($"Status : {bo.AccountStatus}");
Console.WriteLine("Please enter in the fields you wish to update (leave blank otherwise) : ");
//get input to update from user
Console.Write("Login : "******"Pin code : ");
string pinInput = Console.ReadLine();
Console.Write("Holder's name : ");
string nameInput = Console.ReadLine();
Console.Write("Status : ");
string statusInput = Console.ReadLine();
//update in business logic layer
adminBLL.Update(loginInput, pinInput, nameInput, statusInput, bo.AccountNumber);
//if successful
Console.WriteLine("Your account has been successfully updated");
}
else
{
Console.WriteLine("No record found");
}
//save data to file
adminBLL.save();
//return to admin main menu
Admin_menu();
}
/*method actullay withdraw money from user account*/
public (bool, bool, bool) cashWithdraw(Customer_BO customer, int money)
{
bool result = false; bool daily_transaction = false; bool low_balance = false;
int previousTransaction = 0; string transType = "Cash WithDrawal";
Transaction_BO transaction = new Transaction_BO();
DateTime dateTime = DateTime.UtcNow.Date;
Customer_DAL customer_DAL = new Customer_DAL();
List <Customer_BO> list = customer_DAL.getAccountList();
List <Transaction_BO> t_list = customer_DAL.getTransactionList();
foreach (Transaction_BO tr in t_list)
{
if (customer.userName == tr.user_id && tr.date == dateTime && tr.type == "Cash WithDrawal")
{
previousTransaction = tr.amount;
}
}
foreach (Customer_BO cus in list)
{
if (customer.Account_No == cus.Account_No)
{
int temp = money;
int previous = temp + previousTransaction;
if (customer.Balance > money && money < Customer_BO.maxWithdraw && previous < Customer_BO
.maxWithdraw)
{
customer.Balance = customer.Balance - money;
cus.Balance = cus.Balance - money;
result = true;
transaction = createTransactionObj(money, transType, customer.userName, customer.holderName, dateTime);
customer_DAL.saveTransaction(transaction);
break;
}
if (customer.Balance > money && previous > Customer_BO.maxWithdraw)
{
daily_transaction = true;
}
if (customer.Balance < money)
{
low_balance = true;
}
else
{
result = false;
break;
}
}
}
bool isSaved = customer_DAL.saveAccounList(list);
if (isSaved != true)
{
result = false;
}
return(result, daily_transaction, low_balance);
}
/*Helper method show Recepit*/
private void showRecepit(Customer_BO customer, string transType, int amount)
{
DateTime dateTime = DateTime.UtcNow.Date;
string date = dateTime.ToString("dd/MM/yyyy");
WriteLine($"Account #{customer.Account_No}");
WriteLine("Date " + date);
WriteLine($"Amount {transType}: {amount}");
WriteLine($"Balance: {customer.Balance}");
}
/*Method to deposite cash into account
*/
public bool deposite(Customer_BO customer, int amount)
{
bool result = false;
string transType = "Cash Deposite";
bool b = addCash(customer, amount, transType);
if (b == true)
{
result = true;
}
return(result);
}
/*Search method show search menu and show input matching account*/
public void search()
{
Console.Clear();
WriteLine("Search Menu:\n");
Customer_BO customer = getInput();
Write("Account Number: ");
string input = ReadLine();
if (input == "")
{
customer.Account_No = -100;/*since acoountNO is not -ve we store -ve value to show administrator does not update accountNO*/
}
else
{
customer.Account_No = System.Convert.ToInt32(input);
}
Administrator_BLL administrator_BLL = new Administrator_BLL();
List <Customer_BO> list = administrator_BLL.search_BLL(customer);
if (list != null)
{
WriteLine("==== SEARCH RESULTS ======");
Write(
format: "{0,-13} {1,-13} {2,-13}",
arg0: "Account ID",
arg1: "User ID",
arg2: "Holder Name");
WriteLine(
format: "{0,-13} {1,-13} {2,-13}",
arg0: "Type",
arg1: "Balance",
arg2: "Status"
);
foreach (Customer_BO cus in list)
{
Write(
format: "{0,-13} {1,-13} {2,-13}",
arg0: cus.Account_No,
arg1: cus.userName,
arg2: cus.holderName);
WriteLine("{0,-13} {1,-13} {2,-13}",
arg0: cus.Type,
arg1: cus.Balance,
arg2: cus.Status);
}
WriteLine("Press any key to continue");
}
else
{
WriteLine("Not a single Account exists with these attributes.");
}
}
public Customer_BO display(int accountNo)
{
Customer_BO boToReturn = new Customer_BO();
//check if account number is found in record then put that business object in variable and return
foreach (Customer_BO bo in record)
{
if (bo.AccountNumber == accountNo)
{
boToReturn = bo;
}
}
return(boToReturn);
}
/*Method get customer object from Presentation layer and
* call saveAccount method of DAL for save account in file.*/
public int createAccount(Customer_BO customer)
{
Administrator_DAL administrator = new Administrator_DAL();
bool result = administrator.saveAccount(customer);
if (result == true)
{
return(customer.Account_No);
}
else
{
return(-1);//account number is never negative so it is a check to validate whether acoount is created or not
}
}
/*Save account of the new customer in file*/
public bool saveAccount(Customer_BO customer)
{
bool result = false;
customer.Account_No = getHighestAccountNo("Accounts.txt");
if (customer.Account_No > 0)
{
result = save(customer, "Accounts.txt");
return(result);
}
else
{
return(result);
}
}
/*Method return customer object by using account number*/
public Customer_BO giveAccount(int accountNO)
{
Administrator_DAL administrator = new Administrator_DAL();
List <Customer_BO> list = administrator.getAccountList();
Customer_BO customer = null;
foreach (Customer_BO cus in list)
{
if (cus.Account_No == accountNO)
{
customer = cus;
}
}
return(customer);
}
/// <summary>
/// deposite cash
/// </summary>
private void depositeCash()
{
int amount = inputAmount("Enter the cash amount to deposit:");
bo = bll.depositeCash(bo, amount);
string yn = inputYesNo("Cash Deposited Successfully. Do you wish to print a receipt (Y/N)? ");
if (yn == "n")
{
return;
}
else
{
displayDepositedRecipt(amount);
}
}
/// <summary>
/// It creates a new Account
/// </summary>
/// <param name="c">Customer_BO</param>
/// <returns>True on Success, False on Failure</returns>
public (bool, int) createNewAccount(Customer_BO c)
{
bool loginExist = checkIfLoginExist(c.Login);
if (loginExist)
{
return(false, -1);
}
int accNo = getMaxAccNo() + 1;
c.Acc_Id = accNo;
c.User_Id = accNo * 100;
c.TodayWDAmount = 0;
c.LastWDTime = DateTime.Now;
dal.createNewAccount(c);
return(true, accNo);
}
/*method update account of a specific customer*/
public bool update_BLL(Customer_BO customerPrevious, Customer_BO customerNew)
{
bool result = false;
Administrator_DAL administrator = new Administrator_DAL();
List <Customer_BO> list = administrator.getAccountList();
foreach (Customer_BO cus in list)
{
if (cus.Account_No == customerPrevious.Account_No)
{
if (customerNew.Account_No > 0)
{
cus.Account_No = customerNew.Account_No;
}
if (customerNew.userName != "")
{
cus.userName = customerNew.userName;
}
if (customerNew.Password != "")
{
cus.Password = customerNew.Password;
}
if (customerNew.holderName != "")
{
cus.holderName = customerNew.holderName;
}
if (customerNew.Type != "")
{
cus.Type = customerNew.Type;
}
if (customerNew.Balance >= 0)
{
cus.Balance = customerNew.Balance;
}
if (customerNew.Status != "")
{
cus.Status = customerNew.Status;
}
result = true;
break;
}
}
administrator.writeFile(list);
return(result);
}
public Customer_BO deposit(int accountNo, int amount)
{
Customer_BO boToReturn = new Customer_BO();
//check if account number is found in record then subtract balance and amount if sufficient balance is present
foreach (Customer_BO bo in record)
{
if (bo.AccountNumber == accountNo)
{
bo.Balance += amount;
boToReturn = bo;
}
}
//save record list to file
bDAL.save(record);
//return business object
return(boToReturn);
}
/*helper method to show transcation is completed or not*/
private void showTransactionResult(bool result, Customer_BO customer, int money)
{
bool l_break = false;
if (result == true)
{
WriteLine("Cash Successfully Withdrawn!");
while (true)
{
try
{
WriteLine("Do you wish to print a receipt(Y/ N)? ");
char answer = System.Convert.ToChar(ReadLine());
if (answer == 'y' || answer == 'Y')
{
Console.Clear();
showRecepit(customer, "Cash WithDrawal", money);
l_break = true;
}
else if (answer == 'n' || answer == 'N')
{
WriteLine("");
l_break = true;
}
else
{
WriteLine("Invalid input Please select Y|N. ");
}
if (l_break == true)
{
break;
}
}
catch (Exception)
{
WriteLine("Invalid input Please select Y|N. ");
}
}
}
else
{
WriteLine("You Balance low for this transaction.");
}
}
/*Method for noraml cash withdraw*/
public void normalCash(Customer_BO customer)
{
while (true)
{
Console.Clear();
try
{
WriteLine("Enter the withdrawal amount: ");
int money = System.Convert.ToInt32(ReadLine());
if (money < 0)
{
throw new Exception();
}
Customer_BLL customer_BLL = new Customer_BLL();
(bool, bool, bool)data = customer_BLL.cashWithdraw(customer, money);
bool result = data.Item1;
bool daily_tr = data.Item2;
bool low_balance = data.Item3;
if (result == true)
{
showTransactionResult(result, customer, money);//function show result of transcation
}
if (daily_tr == true)
{
WriteLine("Daily transaction limit is 20000. you can't go beyond this limit.");
}
if (money > 20000)
{
WriteLine("Transaction amount should be less than 20000.");
}
if (low_balance == true)
{
WriteLine("Your account balance is low for this transaction");
}
break;
}
catch (Exception)
{
WriteLine("Input is not correct Select corect amount. Press any key to continue.");
ReadKey();
WriteLine("");
}
}
}
/// <summary>
/// update Account Information
/// </summary>
private void updateAccountInformation()
{
Console.WriteLine("Updating an Account Information...");
int accNo = inputAccountNo("Enter the Account Number: ", true);
bo = bll.isAccountExist(accNo);
if (bo == null)
{
Console.Clear();
Console.WriteLine("SORRY: Account does not exist");
return;
}
displayCustomerInformation();
Console.WriteLine("Please enter in the fields you wish to update (leave blank otherwise): ");
string login = inputLogin("Login: "******"")
{
bo.Login = login;
}
String pin = inputPin("Pin Code: ", false);
if (pin != "")
{
bo.Pin = pin;
}
string name = inputName("Holders Name: ", false);
if (name != "")
{
bo.Name = name;
}
string status = inputStatus("Status: ", false);
if (status != "")
{
bo.Status = status;
}
bll.updateAccountInformation(bo);
Console.Clear();
Console.WriteLine("Account # " + accNo + ": Information Upddated Succesfully.");
}
/*method read and deserialize objects from file and write in a list*/
public List <Customer_BO> readFile(string fileName)
{
Customer_BO customer = null; List <Customer_BO> list = new List <Customer_BO>();
try
{
string filePath = Path.Combine(Environment.CurrentDirectory, fileName);
if (File.Exists(filePath))
{
StreamReader sr = new StreamReader(filePath);
string jsoninput = sr.ReadLine();
while (jsoninput != null)
{
customer = JsonSerializer.Deserialize <Customer_BO>(jsoninput);
string u_id = String.Empty;
string pin = String.Empty;
char[] array1 = new char[customer.userName.Length];
char[] array2 = new char[customer.Password.Length];
array1 = customer.userName.ToCharArray();
array2 = customer.Password.ToCharArray();
for (int i = 0; i < customer.userName.Length; i++)
{
u_id += Decryption(array1[i]);
}
for (int i = 0; i < customer.Password.Length; i++)
{
pin += Decryption(array2[i]);
}
customer.userName = u_id;
customer.Password = pin;
list.Add(customer);
jsoninput = sr.ReadLine();
}
sr.Close();
}
return(list);
}
catch (Exception)
{
list = null;
return(list);
}
}
public void Display(int accountNo)
{
//create customer business object
Customer_BO bo = new Customer_BO();
//call display function in business logic layer and return value to business object bo
bo = cBLL.display(accountNo);
//display the details
Console.Write($"Account # {bo.AccountNumber}");
string date = bo.datetime.ToString("dd/MM/yyyy");
Console.WriteLine("\n");
Console.Write(date);
Console.WriteLine("\n");
Console.Write($"Balance : {bo.Balance}\n");
//return to main menu
MainMenu(accountNo);
}
public bool Transfer(int accountNo, int receiverAccountNo, int amount)
{
bool transfered = false;
Customer_BO sender = new Customer_BO();
Customer_BO receiver = new Customer_BO();
//check if sender is not equal to receiver
foreach (Customer_BO bo in record)
{
if (bo.AccountNumber == accountNo)
{
sender = bo;
}
if (bo.AccountNumber == receiverAccountNo)
{
receiver = bo;
}
}
if (receiver != sender)
{
//then check if balance is sufficient to transfer
if (sender.Balance >= amount)
{
sender.Balance -= amount;
receiver.Balance += amount;
transfered = true;
}
else
{
transfered = false;
}
}
else
{
transfered = false;
}
//save data to file
bDAL.save(record);
//return bool if amount is transfered or not
return(transfered);
}
/// <summary>
/// cash transfer
/// </summary>
private void cashTransfer()
{
int amount = inputAmountMultipleOf500("Enter amount in multiples of 500: ");
int accNo = inputAccountNo("Enter the account number to which you want to transfer: ");
Customer_BO cus = bll.isAccountExist(accNo);
if (cus == null)
{
Console.Clear();
Console.WriteLine("Account no. you entered does not exist OR currently Disabled");
return;
}
int accNo2 = inputAccountNo("You wish to deposit Rs " + amount + " in account held by " + cus.Name + "; If this information is correct please re-enter the account number: ");
if (accNo != accNo2)
{
Console.Clear();
Console.WriteLine("Account no.s does not match");
Console.WriteLine("Cash Transfer Aborted");
return;
}
if (bo.Balance < amount)
{
Console.Clear();
Console.WriteLine("Not enough oney in account to satisfy Transfer");
Console.WriteLine("Cash Transfer Aborted");
return;
}
bo.Balance = bo.Balance - amount;
cus.Balance = cus.Balance + amount;
bo = bll.cashTransfer(bo, cus, amount);
string yn = inputYesNo("Do you wish to print a receipt (Y/N)? ");
if (yn == "n")
{
return;
}
else
{
displayCashTransferRecipt(amount);
}
}
public int createNewAccount(string login, int pin, string name, string type, int balance, string status)
{
Customer_BO bo = new Customer_BO {
Login = login, Pin = pin, Name = name, AccountType = type, Balance = balance, AccountStatus = status
};
int temp = record.Count;
if (record.Count == 0)
{
temp = 1;
}
else
{
temp = record.Last().AccountNumber + 1;
}
bo.AccountNumber = temp;
record.Add(bo);
//Console.WriteLine(bo.Name + bo.Login + bo.Balance + bo.AccountNumber);
return(temp);
}
