/*method save the transactions into file*/
public bool saveTransactionFile(Transaction_BO transaction, string fileName)
{
bool result = false;
try
{
string filePath = Path.Combine(Environment.CurrentDirectory, fileName);
if (!File.Exists(filePath))
{
FileStream fs = File.Create(filePath);
fs.Close();
}
string jsonObject = JsonSerializer.Serialize(transaction);
StreamWriter sw = new StreamWriter(filePath, append: true);
sw.WriteLine(jsonObject);
sw.Close();
result = true;
return(result);
}
catch (Exception)
{
result = false;
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 read the transaction file and return as a list*/
public List <Transaction_BO> readTransactionFile(string fileName)
{
List <Transaction_BO> list = new List <Transaction_BO>();
try
{
Transaction_BO transaction = null;
string filePath = Path.Combine(Environment.CurrentDirectory, fileName);
if (File.Exists(filePath))
{
StreamReader sr = new StreamReader(filePath);
string jsoninput = sr.ReadLine();
while (jsoninput != null)
{
transaction = JsonSerializer.Deserialize <Transaction_BO>(jsoninput);
list.Add(transaction);
jsoninput = sr.ReadLine();
}
sr.Close();
}
return(list);
}
catch (Exception)
{
list = null;
return(list);
}
}
/*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);
}
/*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 to create transaction object*/
private Transaction_BO createTransactionObj(int money, string transType, string userName, string holderName, DateTime date)
{
Transaction_BO obj = new Transaction_BO();
obj.amount = money;
obj.type = transType;
obj.user_id = userName;
obj.holderName = holderName;
obj.date = date;
return(obj);
}
/// <summary>
/// Convert string to Transaction_BO
/// </summary>
/// <param name="text">text</param>
/// <returns>Transaction_BO</returns>
private Transaction_BO stringTOTransactionObject(string text)
{
if (text == null)
{
return(null);
}
string[] data = text.Split(',');
Transaction_BO t = new Transaction_BO
{
transactionType = data[0],
doerUserId = int.Parse(data[1]),
doerName = data[2],
amount = int.Parse(data[3]),
date = DateTime.Parse(data[4]),
receiverUserId = int.Parse(data[5]),
receiverName = data[6]
};
return(t);
}
/*method save transactions list back to file*/
public bool saveTransaction(Transaction_BO transaction)
{
return(saveTransactionFile(transaction, "Transaction.txt"));
}
