Subversion Repositories SmartDukaan

package in.shop2020.payment.service.handler;

import in.shop2020.config.ConfigException;

import in.shop2020.model.v1.order.LineItem;

import in.shop2020.model.v1.order.Order;

import in.shop2020.model.v1.order.Transaction;

import in.shop2020.model.v1.order.TransactionServiceException;

import in.shop2020.model.v1.user.ShoppingCartException;

import in.shop2020.payment.domain.Payment;

import in.shop2020.payments.Attribute;

import in.shop2020.payments.PaymentException;

import in.shop2020.payments.PaymentStatus;

import in.shop2020.thrift.clients.TransactionClient;

import in.shop2020.thrift.clients.config.ConfigClient;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import java.util.Random;

import org.apache.log4j.Logger;

import org.apache.thrift.TException;

import com.aciworldwide.commerce.gateway.plugins.NotEnoughDataException;

import com.aciworldwide.commerce.gateway.plugins.e24PaymentPipe;

import com.aciworldwide.commerce.gateway.plugins.e24TranPipe;

public class HdfcEmiPaymentHandler implements IPaymentHandler {

    private static final int CAPTURE_STATUS_FOR_CONNECTION_ISSUE = -1;

    private static Logger log = Logger.getLogger(HdfcEmiPaymentHandler.class);

    private static String aliasName;

    private static String responseURL;

    private static String errorURL;

    private static final String regex = "[^a-zA-Z0-9\\s\\-\\@\\/\\.]";

    private static final String replacement = " ";

    private static final int MAX_UDF_LENGTH = 30;

    private static final String currencyCode = "356";

	private static String resourceDirPath = "/tmp/emi-resource";

	private static final String resourceFileName = "resource.cgn";

    private enum ActionType{

        PURCHASE("1"),

        AUTH ("4"),

        CAPTURE("5");

        private String value;

        ActionType(String value) {

            this.value = value;

        }

        public String value(){

            return this.value;

        }

    }

    public HdfcEmiPaymentHandler() {

        // TODO Auto-generated constructor stub

    }

    static{

        try {

			InputStream inputStream = Class.class.getResourceAsStream(ConfigClient.getClient().get("emi_payment_resource_file_path") + resourceFileName);

			File resourceDir = new File(resourceDirPath);

			if(!resourceDir.exists()){

				resourceDir.mkdir();

			}

			OutputStream outStream = new FileOutputStream(resourceDirPath + File.separator + resourceFileName);

			byte buf[]=new byte[1024];

			int len;

			while((len=inputStream.read(buf))>0)

				outStream.write(buf,0,len);

			outStream.close();

			inputStream.close();

			aliasName  = ConfigClient.getClient().get("emi_payment_alias_name");

            responseURL = ConfigClient.getClient().get("emi_payment_response_url");

            errorURL = ConfigClient.getClient().get("emi_payment_error_url");

        } catch (ConfigException e) {

            log.error("Unable to get data from config server.");

        } catch (FileNotFoundException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		} catch (IOException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

    }

    public static Map<String, String> capturePayment(Payment payment){

        String amount = "" + payment.getAmount();

        String gatewayPaymentId = payment.getGatewayPaymentId();

        log.info("Capturing amount: Rs " + amount + " for payment Id: " + gatewayPaymentId);

        //Prepare resultMap to elicit failure behaviour in case anything goes wrong.

        Map<String, String> resultMap = new HashMap<String, String>();

        resultMap.put(STATUS, Errors.CAPTURE_FAILURE.code);

        resultMap.put(ERR_CODE, Errors.CAPTURE_FAILURE.code);

        resultMap.put(ERROR, Errors.CAPTURE_FAILURE.message);

        e24TranPipe pipe = new e24TranPipe();

        pipe.setResourcePath(resourceDirPath);

        pipe.setAlias(aliasName);

        pipe.setAction(ActionType.CAPTURE.value());

        pipe.setAmt(amount);

        pipe.setTrackId("" + payment.getId());

        pipe.setMember("SAHOLIC");

        pipe.setCurrencyCode(currencyCode);

        pipe.setTransId(payment.getGatewayTxnId());

        //Check if the values have been set properly

        log.info("Pipe Amount: " + pipe.getAmt());

        log.info("Pipe Action Code: " + pipe.getAction());

        log.info("Pipe Currency Code: " + pipe.getCurrencyCode());

        log.info("Pipe Track Id: " + pipe.getTrackId());

        log.info("Pipe Trans Id:" + pipe.getTransId());

        int captureStatus = e24TranPipe.FAILURE;

        try {

            captureStatus = pipe.performTransaction();

            log.info("Capture Status: " + captureStatus);

            log.info("Gateway Txn Status: " + pipe.getResult());

            log.info("Debug Msg: " + pipe.getDebugMsg());

            log.info("Auth: " + pipe.getAuth());

            log.info("Ref: " + pipe.getRef());

            log.info("TransId:" + pipe.getTransId());

            log.info("Amount: " + pipe.getAmt());

            resultMap.put(STATUS, "" + captureStatus);

            String result = pipe.getResult();

            resultMap.put(GATEWAY_STATUS, result.substring(0, Math.min(result.length(), 20)).trim());       //This will return the result of the transaction. (Successful or Failed)

            if(captureStatus != e24TranPipe.SUCCESS || !"CAPTURED".equals(result)){

                resultMap.put(ERROR, pipe.getErrorMsg());               // In case of any error, we only need to get the error message

                if (captureStatus == CAPTURE_STATUS_FOR_CONNECTION_ISSUE) {

                    resultMap.put(ERR_CODE, Errors.CONN_FAILURE.code);

                }

            }

            else {

                resultMap.put(CAPTURE_AUTH_ID, pipe.getAuth());         // Unique ID generated by Authorizer of the transaction

                resultMap.put(CAPTURE_REF_ID, pipe.getRef());           // Unique reference number generated during the transaction

                resultMap.put(CAPTURE_TXN_ID, pipe.getTransId());       // Unique Transaction ID generated after every successful transaction

                resultMap.put(CAPTURE_AMNT, pipe.getAmt());         // Original Amount of the transaction

            }

        } catch (NotEnoughDataException e) {

            log.error(Errors.CAPTURE_FAILURE.message, e);

            resultMap.put(ERR_CODE, Errors.CAPTURE_FAILURE.code);

            resultMap.put(ERROR, e.getMessage());

        }

        return resultMap;

    }

    public static String initializeHdfcPayment(Payment payment, PaymentServiceHandler handler) throws Exception{

        long merchantPaymentId = payment.getId();

        double amount = payment.getAmount();

        e24PaymentPipe pipe = new e24PaymentPipe();

        try {

            initializePayment(pipe, merchantPaymentId, amount);

        } catch (ShoppingCartException e1) {

            log.error("Error while creating hdfc payment.", e1);

            throw e1;    //Payment couldn't be initialized. Will be redirected to the shipping page.

        } catch (TException e1) {

            log.error("Error while creating hdfc payment.", e1);

            throw e1;   //Payment couldn't be initialized. Will be redirected to the shipping page.

        }

        List<Attribute> attributes = null;

        try {

            attributes = getAttributesAndSetUdfs(pipe, payment.getMerchantTxnId());

        } catch (TransactionServiceException e1) {

            log.error("Error while setting udfs to payment.", e1);

            throw e1;   //Payment couldn't be initialized. Will be redirected to the shipping page.

        } catch (TException e1) {

            log.error("Error while setting udfs to payment.", e1);

            throw e1;   //Payment couldn't be initialized. Will be redirected to the shipping page.

        }

        try {

            if(pipe.performPaymentInitialization() != e24PaymentPipe.SUCCESS) {

                log.error("Error sending Payment Initialization Request: ");

                handler.updatePaymentDetails(merchantPaymentId, null, "", "", pipe.getErrorMsg(), "", "", "", "", PaymentStatus.INIT, "", attributes);

            } else {

                log.info("Payment Initialization Request processed successfully for payment Id: " + merchantPaymentId);

                String paymentID = pipe.getPaymentId();

                handler.updatePaymentDetails(merchantPaymentId, paymentID, "", "", "", "", "", "", "", PaymentStatus.INIT, "", attributes);

                String payURL = pipe.getPaymentPage();

                return payURL + "?PaymentID=" + paymentID;

            }

        } catch (NotEnoughDataException e) {

            log.error("Error while initializing payment.", e);

        }catch (Exception e) {

            log.error("Error while initializing payment.", e);

        }

        //If the code reaches here, the payment initialization was not successful and we've not returned the redirect URL.

        //Throw the exception so that any failovers can happen.

        throw new PaymentException(115, "Unable to initialize HDFC payment");

    }

    private static List<Attribute> getAttributesAndSetUdfs(e24PaymentPipe pipe, long txnId) throws TransactionServiceException, TException{

        StringBuilder orderDetails = new StringBuilder();

        StringBuilder billingAddress = new StringBuilder();

        String email = "";

        String contactNumber = "";

        //get udfs

        Transaction transaction;

        TransactionClient transactionServiceClient = null;

        try {

            transactionServiceClient = new TransactionClient();

        } catch (Exception e) {

            log.error("Unable to get transaction details", e);

        }

        in.shop2020.model.v1.order.TransactionService.Client txnClient = transactionServiceClient.getClient();

        transaction = txnClient.getTransaction(txnId);

        orderDetails.append(transaction.getOrdersSize() + " ");

        for (Order order : transaction.getOrders()) {

            contactNumber= order.getCustomer_mobilenumber();

            email = order.getCustomer_email();

            billingAddress.append(" ");

            if(order.getCustomer_pincode()!=null){

                billingAddress.append(order.getCustomer_pincode());

            }

            if(order.getCustomer_city()!=null){

                billingAddress.append(" " + order.getCustomer_city());

            }

            if(order.getCustomer_address1()!=null){

                billingAddress.append(" " + order.getCustomer_address1());

            }

            if(order.getCustomer_address2()!=null){

                billingAddress.append(" " + order.getCustomer_address2());

            }

            if(order.getCustomer_state()!=null){

                billingAddress.append(" " + order.getCustomer_state());

            }

            for(LineItem line: order.getLineitems()){

                if(line.getBrand() != null){

                    orderDetails.append(line.getBrand());

                }

                if(line.getModel_name() != null){

                    orderDetails.append(line.getModel_name()); 

                }

                if(line.getModel_number() != null){

                    orderDetails.append(line.getModel_number());

                }

                if(line.getColor() != null){

                    orderDetails.append(line.getColor());

                }

                orderDetails.append(" ");

            }

        }

        Random random = new Random();

        String merchantInfo = ""+random.nextLong(); 

        String udf1 = formatUdf(orderDetails.toString()); 

        String udf2 = formatUdf(email);

        String udf3 = formatUdf(contactNumber);

        String udf4 = formatUdf(billingAddress.toString());

        String udf5 = merchantInfo;

        log.info("udf1:"  + udf1);

        log.info("udf2:"  + udf2);

        log.info("udf3:"  + udf3);

        log.info("udf4:"  + udf4);

        log.info("udf5:"  + udf5);

        pipe.setUdf1(udf1);      // UDF 1 - Order details

        pipe.setUdf2(udf2);      // UDF 2 - Email ID

        pipe.setUdf3(udf3);      // UDF 3 - Contact Number. 

        pipe.setUdf4(udf4);      // UDF 4 - Billing Address

        pipe.setUdf5(udf5);      // UDF 5 - Merchant specific

        List<Attribute> attributes = new ArrayList<Attribute>();

        Attribute attribute1 = new Attribute("udf1",udf1);

        Attribute attribute2 = new Attribute("udf2",udf2);

        Attribute attribute3 = new Attribute("udf3",udf3);

        Attribute attribute4 = new Attribute("udf4",udf4);

        Attribute attribute5 = new Attribute("udf5",udf5);

        attributes.add(attribute1);

        attributes.add(attribute2);

        attributes.add(attribute3);

        attributes.add(attribute4);

        attributes.add(attribute5);

        return attributes;

    }

    private static void initializePayment(e24PaymentPipe pipe, long merchantPaymentId, double amounta) throws ShoppingCartException, TException{

        String amount = (new Double(amounta)).toString();

        //Following is the code which initilize e24PaymentPipe with proper value

        pipe.setResourcePath(resourceDirPath); //mandatory 

        String as = pipe.getResourcePath();

        log.info("Resource= " +as);

        pipe.setAlias(aliasName);           //mandatory 

        String ab=pipe.getAlias();

        log.info("Alias= " +ab);

        pipe.setAction(ActionType.AUTH.value());            //mandatory 

        String ac=pipe.getAction();

        log.info("Action= " +ac);

        pipe.setResponseURL( responseURL ); //mandatory

        String at=pipe.getResponseURL();

        log.info("ResponseURL= "+at);

        //pipe.setErrorURL( errorURL + "?paymentId=" + merchantPaymentId );     //mandatory

        pipe.setErrorURL( errorURL);

        String ak=pipe.getErrorURL();

        log.info("ErrorURL= " + ak);

        pipe.setAmt(amount);        

        String ap=pipe.getAmt();

        log.info("Amt= " + ap);

        pipe.setCurrency(currencyCode);

        String a=pipe.getCurrency();

        log.info("Currency= " + a);

        pipe.setLanguage("USA");

        String p=pipe.getLanguage();

        log.info("Language= "+ p);

        pipe.setTrackId((new Long(merchantPaymentId)).toString());

    }

    private static String formatUdf(String udfString){

        udfString = udfString.replaceAll(regex, replacement);

        if(udfString.length() > MAX_UDF_LENGTH){

            udfString = udfString.substring(0, MAX_UDF_LENGTH);

        }

        return udfString;

    }

}