public static bool GetInputParametersStatus <T, U>(IList <ModelResponses <T, U> > _errorMessagers, out ModelResponses <T, U> errorCreator)
where T : new()
where U : new()
{
errorCreator = _errorMessagers.FirstOrDefault(mc => !(mc.IsValid(new U())));
return(!(errorCreator == null) ? errorCreator.IsValid(new U()) : true);
}
// Receiver balance to sender balance transaction service
public InterTransactionResponse ShopKeeperToShopKeeperTransaction(ShopKeeperReceiverToSenderTransaction ShopkeeperToShopkeeper)
{
_interTransactionResponse = new InterTransactionResponse();
try {
var messageCreators = new List <ModelResponses <InterTransactionResponse, ChangerValidations> > {
// Check if the Shopkeeper Account is of Valid length
new ModelResponses <InterTransactionResponse, ChangerValidations>(model => model.IsShopKeeperAccountValid(
ShopkeeperToShopkeeper.ShopKeeperAccountNumber), 1101),
// Check if the Amount is of >0
new ModelResponses <InterTransactionResponse, ChangerValidations>(model => model.IsAmountValid(
ShopkeeperToShopkeeper.Amount), 1401),
};
ModelResponses <InterTransactionResponse, ChangerValidations> errorCreator = null;
if (!ChangerValidations.GetInputParametersStatus <InterTransactionResponse, ChangerValidations>(messageCreators, out errorCreator))
{
return(errorCreator.FillErrorDTO <InterTransactionResponse>());
}
// Get current shopkeeper account details
var currentShopkeeperAccountDetails = _changerMintsUOW.Repository <ShopKeeperAccountDetail>().Query().Filter(q => q.ShopKeeperAccountNumber ==
ShopkeeperToShopkeeper.ShopKeeperAccountNumber).Get().FirstOrDefault();
if (currentShopkeeperAccountDetails == null)
{
_interTransactionResponse.ErrorNumber = 1107;
_interTransactionResponse.ErrorMessage = ConfigurationManager.AppSettings[_interTransactionResponse.ErrorNumber.ToString()];
return(_interTransactionResponse);
}
if (currentShopkeeperAccountDetails.ReceiverBalance > ShopkeeperToShopkeeper.Amount &&
currentShopkeeperAccountDetails.ReceiverBalance > 0)
{
// Start Transaction
decimal TransferableAmountToShopkeeper = TRANSFERABLE_PERCENTAGE_AFTER_COMMISION * ShopkeeperToShopkeeper.Amount;
decimal TransferableAmountToChanger = COMMISSION_TO_CHANGER * ShopkeeperToShopkeeper.Amount;
currentShopkeeperAccountDetails.ReceiverBalance -= ShopkeeperToShopkeeper.Amount;
currentShopkeeperAccountDetails.SenderBalance += TransferableAmountToShopkeeper;
_changerMintsUOW.Repository <ShopKeeperAccountDetail>().Update(currentShopkeeperAccountDetails);
_changerMintsUOW.Save();
// Update the Transaction details
var getShopkeeperAccountDetails = _changerMintsUOW.Repository <ShopKeeperAccountDetail>().Query().Filter(q => q.ShopKeeperAccountNumber ==
ShopkeeperToShopkeeper.ShopKeeperAccountNumber).Get().FirstOrDefault();
// Update the transaction table for Shopkeeper
var shopKeeperTransactionDetail = new ShopKeeperTransactionDetail()
{
ShopKeeperAccountNumber = getShopkeeperAccountDetails.ShopKeeperAccountNumber, SenderBalance = getShopkeeperAccountDetails.SenderBalance,
ReceiverBalance = getShopkeeperAccountDetails.ReceiverBalance, ReceivedFrom = 0, PaidTo = getShopkeeperAccountDetails.ShopKeeperAccountNumber,
AmountTransfered = ShopkeeperToShopkeeper.Amount, TransactionDate = DateTime.Now, TransactionStatus = 1001, TerminalIMEINumber = ShopkeeperToShopkeeper.TerminalIMEINumber,
TransactionID = GenerateTransactionID()
};
_changerMintsUOW.Repository <ShopKeeperTransactionDetail>().Insert(shopKeeperTransactionDetail);
_changerMintsUOW.Save();
// success message
_interTransactionResponse.ErrorNumber = 1302;
_interTransactionResponse.ErrorMessage = ConfigurationManager.AppSettings[_interTransactionResponse.ErrorNumber.ToString()];
_interTransactionResponse.SenderBalance = Convert.ToDecimal(currentShopkeeperAccountDetails.SenderBalance);
_interTransactionResponse.ReceiverBalance = Convert.ToDecimal(currentShopkeeperAccountDetails.ReceiverBalance);
}
else
{
_interTransactionResponse.ErrorNumber = 1301;
}
_interTransactionResponse.ErrorMessage = ConfigurationManager.AppSettings[_interTransactionResponse.ErrorNumber.ToString()];
} catch (Exception e) {
throw e;
}
return(_interTransactionResponse);
}
// Customer to Shopkeeper Transaction Service
public CrossTransactionResponse CustomerToShopKeeperTransaction(CustomerToShopKeeperTransaction CustomerToShopkeeper)
{
_crossTransactionResponse = new CrossTransactionResponse();
try {
var messageCreators = new List <ModelResponses <CrossTransactionResponse, ChangerValidations> > {
// Check if the Shopkeeper Account is of Valid length
new ModelResponses <CrossTransactionResponse, ChangerValidations>(model => model.IsShopKeeperAccountValid(
CustomerToShopkeeper.ShopKeeperAccountNumber), 1101),
// Check if the Customer Account is of Valid length
new ModelResponses <CrossTransactionResponse, ChangerValidations>(model => model.IsCustomerNFCTagIDValid(
CustomerToShopkeeper.NFCTagID), 1202),
// Check if the Amount is of >0
new ModelResponses <CrossTransactionResponse, ChangerValidations>(model => model.IsAmountValid(
CustomerToShopkeeper.Amount), 1401),
};
ModelResponses <CrossTransactionResponse, ChangerValidations> errorCreator = null;
if (!ChangerValidations.GetInputParametersStatus <CrossTransactionResponse, ChangerValidations>(messageCreators, out errorCreator))
{
return(errorCreator.FillErrorDTO <CrossTransactionResponse>());
}
// Get current customer details
var currentCustomerDetails = _changerMintsUOW.Repository <CustomerDetail>().Query().Filter(q => q.NFCTagID ==
CustomerToShopkeeper.NFCTagID).Get().FirstOrDefault();
// Verify if the customer is registered to the changer
if (currentCustomerDetails == null)
{
//Transaction Fail
_crossTransactionResponse.ErrorNumber = 1208;
_crossTransactionResponse.ErrorMessage = ConfigurationManager.AppSettings[_crossTransactionResponse.ErrorNumber.ToString()];
return(_crossTransactionResponse);
}
// Verify if the password matches
if (!(currentCustomerDetails.Password == CustomerToShopkeeper.Password))
{
_crossTransactionResponse.ErrorNumber = 1209;
_crossTransactionResponse.ErrorMessage = ConfigurationManager.AppSettings[_crossTransactionResponse.ErrorNumber.ToString()];
return(_crossTransactionResponse);
}
var currentCustomerNFCDetails = _changerMintsUOW.Repository <CustomerNFCTagDetail>().Query().Filter(q => q.NFCTagID ==
CustomerToShopkeeper.NFCTagID).Get().FirstOrDefault();
if (currentCustomerNFCDetails.NFCTagUID != CustomerToShopkeeper.NFCTagUID)
{
//Transaction Fail - NFCUID mis match
_crossTransactionResponse.ErrorNumber = 1210;
_crossTransactionResponse.ErrorMessage = ConfigurationManager.AppSettings[_crossTransactionResponse.ErrorNumber.ToString()];
return(_crossTransactionResponse);
}
// Get current Customer Account Details
var currentCustomerAccountDetails = _changerMintsUOW.Repository <CustomerAccountDetail>().Query().Filter(q => q.CustomerAccountNumber ==
currentCustomerDetails.CustomerAccountNumber).Get().FirstOrDefault();
// Verify if the customer has account in our system
if (currentCustomerAccountDetails == null)
{
_crossTransactionResponse.ErrorNumber = 1208;
_crossTransactionResponse.ErrorMessage = ConfigurationManager.AppSettings[_crossTransactionResponse.ErrorNumber.ToString()];
return(_crossTransactionResponse);
}
// Get current Shopkeeper Account Details
var currentShopkeeperAccountDetails = _changerMintsUOW.Repository <ShopKeeperAccountDetail>().Query().Filter(q => q.ShopKeeperAccountNumber ==
CustomerToShopkeeper.ShopKeeperAccountNumber).Get().FirstOrDefault();
// Verify if the Shopkeeper has account in our system
if (currentShopkeeperAccountDetails == null)
{
_crossTransactionResponse.ErrorNumber = 1107;
_crossTransactionResponse.ErrorMessage = ConfigurationManager.AppSettings[_crossTransactionResponse.ErrorNumber.ToString()];
return(_crossTransactionResponse);
}
if (currentCustomerAccountDetails.Balance > 0 && currentCustomerAccountDetails.Balance > CustomerToShopkeeper.Amount)
{
var transactionID = GenerateTransactionID();
bool IsOTPRequired = (CustomerToShopkeeper.Amount >= MAXIMUM_TRANSACTION_LIMIT) ? true : false;
if (IsOTPRequired)
{
if (CustomerToShopkeeper.OTP > 0)
{
// OTP is already sent, please validate the records & continue the transaction
bool validateOTPStatus = ValidateOTP(CustomerToShopkeeper);
if (validateOTPStatus)
{
// Start Transaction
currentShopkeeperAccountDetails.ReceiverBalance += CustomerToShopkeeper.Amount;
currentCustomerAccountDetails.Balance -= CustomerToShopkeeper.Amount;
_changerMintsUOW.Repository <ShopKeeperAccountDetail>().Update(currentShopkeeperAccountDetails);
_changerMintsUOW.Repository <CustomerAccountDetail>().Update(currentCustomerAccountDetails);
_changerMintsUOW.Save();
}
else
{
_crossTransactionResponse.ErrorNumber = 1500;
_crossTransactionResponse.ErrorMessage = ConfigurationManager.AppSettings[_crossTransactionResponse.ErrorNumber.ToString()];
return(_crossTransactionResponse);
}
}
else
{
// Generate OTP and send it as SMS to customer
GenerateOTP(transactionID);
// Send the response for Terminal
_crossTransactionResponse.TransactionID = transactionID;
return(_crossTransactionResponse);
}
}
else
{
// Start Transaction
currentShopkeeperAccountDetails.ReceiverBalance += CustomerToShopkeeper.Amount;
currentCustomerAccountDetails.Balance -= CustomerToShopkeeper.Amount;
_changerMintsUOW.Repository <ShopKeeperAccountDetail>().Update(currentShopkeeperAccountDetails);
_changerMintsUOW.Repository <CustomerAccountDetail>().Update(currentCustomerAccountDetails);
_changerMintsUOW.Save();
}
// getting updated details after inserting values into database after transaction success
var getShopkeeperAccountDetails = _changerMintsUOW.Repository <ShopKeeperAccountDetail>().Query().Filter(q => q.ShopKeeperAccountNumber ==
CustomerToShopkeeper.ShopKeeperAccountNumber).Get().FirstOrDefault();
var getCustomerAccountDetails = _changerMintsUOW.Repository <CustomerAccountDetail>().Query().Filter(q => q.CustomerAccountNumber ==
currentCustomerDetails.CustomerAccountNumber).Get().FirstOrDefault();
//updating details in transaction table after transaction sucess
UpdateTransactionDetails <CustomerToShopKeeperTransaction>(CustomerToShopkeeper);
// Fill the Response DTO & send back to the controller
_crossTransactionResponse.ShopKeeperSenderBalance = Convert.ToDecimal(getShopkeeperAccountDetails.SenderBalance);
_crossTransactionResponse.ShopKeeperReceiverBalance = Convert.ToDecimal(getShopkeeperAccountDetails.ReceiverBalance);
_crossTransactionResponse.ErrorNumber = 1302;
_crossTransactionResponse.ErrorMessage = ConfigurationManager.AppSettings[_crossTransactionResponse.ErrorNumber.ToString()];
}
else
{
_crossTransactionResponse.ErrorNumber = 1301;
_crossTransactionResponse.ErrorMessage = ConfigurationManager.AppSettings[_crossTransactionResponse.ErrorNumber.ToString()];
return(_crossTransactionResponse);
}
} catch (Exception e) {
throw e;
}
return(_crossTransactionResponse);
}
// Shopkeeper to Customer Transaction Service
public CrossTransactionResponse ShopkeeperToCustomerTransaction(ShopKeeperToCustomerTransaction ShopkeeperToCustomer)
{
_crossTransactionResponse = new CrossTransactionResponse();
try {
var messageCreators = new List <ModelResponses <CrossTransactionResponse, ChangerValidations> > {
// Check if the Shopkeeper Account is of Valid length
new ModelResponses <CrossTransactionResponse, ChangerValidations>(model => model.IsShopKeeperAccountValid(
ShopkeeperToCustomer.ShopKeeperAccountNumber), 1101),
// Check if the Customer Account is of Valid length
new ModelResponses <CrossTransactionResponse, ChangerValidations>(model => model.IsCustomerNFCTagIDValid(
ShopkeeperToCustomer.NFCTagID), 1202),
// Check if the Amount is of >0
new ModelResponses <CrossTransactionResponse, ChangerValidations>(model => model.IsAmountValid(
ShopkeeperToCustomer.Amount), 1401),
};
ModelResponses <CrossTransactionResponse, ChangerValidations> errorCreator = null;
if (!ChangerValidations.GetInputParametersStatus <CrossTransactionResponse, ChangerValidations>(messageCreators, out errorCreator))
{
return(errorCreator.FillErrorDTO <CrossTransactionResponse>());
}
// Get current customer details
var currentCustomerDetails = _changerMintsUOW.Repository <CustomerDetail>().Query().Filter(q => q.NFCTagID ==
ShopkeeperToCustomer.NFCTagID).Get().FirstOrDefault();
// Verify if the customer is registered to the changer
if (currentCustomerDetails == null)
{
//Transaction Fail
_crossTransactionResponse.ErrorNumber = 1208;
_crossTransactionResponse.ErrorMessage = ConfigurationManager.AppSettings[_crossTransactionResponse.ErrorNumber.ToString()];
return(_crossTransactionResponse);
}
var currentCustomerNFCDetails = _changerMintsUOW.Repository <CustomerNFCTagDetail>().Query().Filter(q => q.NFCTagID ==
ShopkeeperToCustomer.NFCTagID).Get().FirstOrDefault();
if (currentCustomerNFCDetails.NFCTagUID != ShopkeeperToCustomer.NFCTagUID)
{
//Transaction Fail - NFCUID mis match
_crossTransactionResponse.ErrorNumber = 1210;
_crossTransactionResponse.ErrorMessage = ConfigurationManager.AppSettings[_crossTransactionResponse.ErrorNumber.ToString()];
return(_crossTransactionResponse);
}
// Retrieve particulars from the database for given Shopkeeper and Customer
var currentShopkeeperAccountDetails = _changerMintsUOW.Repository <ShopKeeperAccountDetail>().Query().Filter(q => q.ShopKeeperAccountNumber ==
ShopkeeperToCustomer.ShopKeeperAccountNumber).Get().FirstOrDefault();
var currentCustomerAccountDetails = _changerMintsUOW.Repository <CustomerAccountDetail>().Query().Filter(q => q.CustomerAccountNumber ==
currentCustomerDetails.CustomerAccountNumber).Get().FirstOrDefault();
// Verify if the Shopkeeper is registered to our system.
if (currentShopkeeperAccountDetails == null)
{
//Transaction Fail
_crossTransactionResponse.ErrorNumber = 1107;
_crossTransactionResponse.ErrorMessage = ConfigurationManager.AppSettings[_crossTransactionResponse.ErrorNumber.ToString()];
return(_crossTransactionResponse);
}
// Verify if the customer is registered to the changer
if (currentCustomerAccountDetails == null)
{
//Transaction Fail
_crossTransactionResponse.ErrorNumber = 1208;
_crossTransactionResponse.ErrorMessage = ConfigurationManager.AppSettings[_crossTransactionResponse.ErrorNumber.ToString()];
return(_crossTransactionResponse);
}
// If the balance is greater than the transferable amount, start the transaction
if (currentShopkeeperAccountDetails.SenderBalance > ShopkeeperToCustomer.Amount &&
currentShopkeeperAccountDetails.SenderBalance > 0)
{
// Start the transaction
currentShopkeeperAccountDetails.SenderBalance -= ShopkeeperToCustomer.Amount;
currentCustomerAccountDetails.Balance += ShopkeeperToCustomer.Amount;
_changerMintsUOW.Repository <ShopKeeperAccountDetail>().Update(currentShopkeeperAccountDetails);
_changerMintsUOW.Repository <CustomerAccountDetail>().Update(currentCustomerAccountDetails);
_changerMintsUOW.Save();
// Update Shopkeeper & Customer Transaction Details
var getShopkeeperAccountDetails = _changerMintsUOW.Repository <ShopKeeperAccountDetail>().Query().Filter(q => q.ShopKeeperAccountNumber ==
ShopkeeperToCustomer.ShopKeeperAccountNumber).Get().FirstOrDefault();
var getCustomerAccountDetails = _changerMintsUOW.Repository <CustomerAccountDetail>().Query().Filter(q => q.CustomerAccountNumber ==
currentCustomerDetails.CustomerAccountNumber).Get().FirstOrDefault();
var query1 = from s in _changerMintsUOW.Repository <ShopKeeperAccountDetail>().Query().Filter(q => q.ShopKeeperAccountNumber ==
ShopkeeperToCustomer.ShopKeeperAccountNumber).Get()
select new CrossTransactionResponse {
ShopKeeperSenderBalance = s.SenderBalance,
ShopKeeperReceiverBalance = s.ReceiverBalance
};
UpdateTransactionDetails <ShopKeeperToCustomerTransaction>(ShopkeeperToCustomer);
// Fill the Response DTO & send back to the controller
_crossTransactionResponse.ErrorNumber = 1302;
_crossTransactionResponse.ErrorMessage = ConfigurationManager.AppSettings[_crossTransactionResponse.ErrorNumber.ToString()];
_crossTransactionResponse.ShopKeeperSenderBalance = Convert.ToDecimal(getShopkeeperAccountDetails.SenderBalance);
_crossTransactionResponse.ShopKeeperReceiverBalance = Convert.ToDecimal(getShopkeeperAccountDetails.ReceiverBalance);
}
else
{
_crossTransactionResponse.ErrorNumber = 1301;
_crossTransactionResponse.ErrorMessage = ConfigurationManager.AppSettings[_crossTransactionResponse.ErrorNumber.ToString()];
}
} catch (Exception e) {
throw e;
}
return(_crossTransactionResponse);
}
// Get the Shopkeeper available balance both in Sender & Receiver
public ShopkeeperSenderAndReceiverBalanceResponse GetShopKeeperBalance(ShopKeeperSenderAndReceiverBalance ShopkeeperBalance)
{
_balanceResponse = new ShopkeeperSenderAndReceiverBalanceResponse();
try {
var messageCreators = new List <ModelResponses <ShopkeeperSenderAndReceiverBalanceResponse, ChangerValidations> > {
// Check if the Shopkeeper Account is of Valid length
new ModelResponses <ShopkeeperSenderAndReceiverBalanceResponse, ChangerValidations>(model => model.IsShopKeeperAccountValid(
ShopkeeperBalance.ShopKeeperAccountNumber), 1101)
};
ModelResponses <ShopkeeperSenderAndReceiverBalanceResponse, ChangerValidations> errorCreator = null;
if (!ChangerValidations.GetInputParametersStatus <ShopkeeperSenderAndReceiverBalanceResponse, ChangerValidations>(messageCreators, out errorCreator))
{
return(errorCreator.FillErrorDTO <ShopkeeperSenderAndReceiverBalanceResponse>());
}
// Get current shopkeeper account details
var currentShopkeeperAccountDetails = _changerMintsUOW.Repository <ShopKeeperAccountDetail>().Query().Filter(q => q.ShopKeeperAccountNumber ==
ShopkeeperBalance.ShopKeeperAccountNumber).Get().FirstOrDefault();
if (currentShopkeeperAccountDetails != null)
{
_balanceResponse.ErrorNumber = 1;
_balanceResponse.ErrorMessage = ConfigurationManager.AppSettings[_balanceResponse.ErrorNumber.ToString()];
_balanceResponse.SenderBalance = currentShopkeeperAccountDetails.SenderBalance;
_balanceResponse.ReceiverBalance = currentShopkeeperAccountDetails.ReceiverBalance;
}
else
{
_balanceResponse.ErrorNumber = 1050;
_balanceResponse.ErrorMessage = ConfigurationManager.AppSettings[_balanceResponse.ErrorNumber.ToString()];
}
} catch (Exception ex) {
throw ex;
}
return(_balanceResponse);
}