Subversion Repositories SmartDukaan

package in.shop2020.serving.controllers;

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.order.TransactionStatus;

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

import in.shop2020.payments.Attribute;

import in.shop2020.payments.Payment;

import in.shop2020.payments.PaymentException;

import in.shop2020.payments.PaymentStatus;

import in.shop2020.thrift.clients.PaymentServiceClient;

import in.shop2020.thrift.clients.TransactionServiceClient;

import in.shop2020.thrift.clients.UserContextServiceClient;

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

import in.shop2020.utils.Logger;

import java.io.IOException;

import java.util.HashMap;

import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.apache.juli.logging.Log;

import org.apache.juli.logging.LogFactory;

import org.apache.struts2.interceptor.ServletRequestAware;

import org.apache.struts2.interceptor.ServletResponseAware;

import org.apache.thrift.TException;

public class HdfcPayResponseController implements ServletResponseAware, ServletRequestAware{

	private static final long serialVersionUID = 1L;

	private enum PaymentReturnStatus{

		CAPTURED("CAPTURED"),

		NOT_CAPTURED ("NOT CAPTURED"),

		CANCELLED ("CANCELLED"),

		DENIED_BY_RISK("DENIED BY RISK"),

		HOST_TIMEOUT("HOST TIMEOUT");

		private String value;

		PaymentReturnStatus(String value) {

			this.value = value;

		}

		public String value(){

			return this.value;

		}

	}

	HttpServletRequest request;

	HttpServletResponse response;

	PaymentServiceClient pclient = null;

	TransactionServiceClient tsc = null;

	UserContextServiceClient usc = null;

	private static Log log = LogFactory.getLog(HdfcPayResponseController.class);

	public static String AMOUNT = "amt";

	public static String TRACKID = "trackid";

	public static String RESULT = "result";

	public static String AUTH = "auth";

	public static String TRANID = "tranid";

	public static String PAYMENTID = "paymentid";

	public static String REF = "ref";

	public static String POSTDATE = "postdate";

	public static String ERROR = "Error";

	public static String ERRORTEXT = "ErrorText";

	public static String UDF5 = "udf5";

	String redirectUrl;

	String amount;

	String trackId;

	String result;

	String postdate;

	String auth;

	String ref;

	String tranId;

	String paymentId;

	String sessionId;

	String errorText;

	String errorNo;

	long txnId;

	long merchantPaymentId;

	Transaction transaction = null;

	public HdfcPayResponseController() {

		try {

			pclient = new PaymentServiceClient();

			tsc = new TransactionServiceClient();

			usc = new UserContextServiceClient();

		} catch (Exception e) {

			Logger.log("Could not initialize the paymentservice client", this);

		}

	}

	public String create() throws IOException, SecurityException{

		System.out.println("Inside hdfc pay response Create");

		result = this.request.getParameter(RESULT);

		postdate = this.request.getParameter(POSTDATE);

		tranId = this.request.getParameter(TRANID);

		auth = this.request.getParameter(AUTH);

		ref = this.request.getParameter(REF);

		amount = this.request.getParameter(AMOUNT);

		paymentId = this.request.getParameter(PAYMENTID);

		trackId = this.request.getParameter(TRACKID);

		merchantPaymentId = Long.parseLong(trackId);

		sessionId = this.request.getSession().getId();

		errorNo = request.getParameter(ERROR);

		errorText = request.getParameter(ERRORTEXT);

		//FIXME dump them somewhere

		/*

		String udf1=request.getParameter("udf1");

		String udf2=request.getParameter("udf2");

		String udf3=request.getParameter("udf3");

		String udf4=request.getParameter("udf4");

		*/

		String udf5=request.getParameter(UDF5);

		Payment payment = null;

		try {

			payment = pclient.getClient().getPayment(merchantPaymentId);

			String dbUdf5="";

			double dbAmount = payment.getAmount();

			for(Attribute attribute: payment.getAttributes()){

				if(attribute.getName().trim().equalsIgnoreCase(UDF5)){

					dbUdf5 = attribute.getValue();

				}

			}

			// verify 3 things:  udf5, amount and paymentid

			if(Long.parseLong(paymentId) != payment.getPaymentId() && dbAmount == Double.parseDouble(amount) && udf5.equalsIgnoreCase(dbUdf5)){

				this.redirectUrl = ConfigClient.getClient().get("payment_error_url") + "?paymentId="+merchantPaymentId;

				return "index";

			}

		} catch (PaymentException e1) {

			log.error("Payment exception. It is serious, check merchant payment id + " + merchantPaymentId);

			e1.printStackTrace();

		} catch (TException e1) {

			log.error("Thrift exception. Check payment id "+ merchantPaymentId);

			e1.printStackTrace();

		} catch (ConfigException e) {

			this.redirectUrl = "http://173.230.147.250:8080/pay-error?paymentId="+merchantPaymentId;

			log.error("Unable to get error url info from Config server. Falling back to default url.");

			e.printStackTrace();

			return "index";

		}

		if(result.trim().equals(PaymentReturnStatus.CAPTURED.value())){

			try {

				String message = "Payment successful";

				pclient.getClient().updatePaymentDetails(merchantPaymentId, paymentId, sessionId, result, message, tranId, auth, ref, errorNo, PaymentStatus.SUCCESS, null);

				txnId = pclient.getClient().getPayment(merchantPaymentId).getMerchantTxnId();

				tsc.getClient().changeTransactionStatus(txnId, TransactionStatus.IN_PROCESS, "Payment received for the order");

		    	transaction = tsc.getClient().getTransaction(txnId);

		    	Map<Long,Double> items = new HashMap<Long, Double>();

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

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

						items.put(lineitem.getItem_id(),lineitem.getQuantity());

					}

				}

				//TODO Optimize the function to send less number of data over network

				usc.getClient().resetCart(transaction.getShoppingCartid(), items);

			}catch (TException e) {

				log.error("Error while updating information in payment database.");

				e.printStackTrace();

				//FIXME Even we get exception we should sent url back to payment gateway. And some thing back channel should be done

			} catch (ShoppingCartException e) {

				log.error("Error while updating information in cart database.");

				e.printStackTrace();

			} catch (PaymentException e) {

				log.error("Error while updating information in payment database.");

				e.printStackTrace();			

			} catch (TransactionServiceException e) {

				log.error("Error while updating information in transaction database.");

				e.printStackTrace();

			}

			try{

				this.redirectUrl = ConfigClient.getClient().get("payment_success_url") + "?paymentId="+merchantPaymentId;

			}catch(Exception ex){

				this.redirectUrl = "http://173.230.147.250:8080/pay-success?paymentId="+merchantPaymentId;	

			}

		}else{

			try{

				pclient.getClient().updatePaymentDetails(merchantPaymentId, paymentId, sessionId, result, errorText, tranId, auth, ref, errorNo, PaymentStatus.FAILED, null);

				txnId = pclient.getClient().getPayment(merchantPaymentId).getMerchantTxnId();

				tsc.getClient().changeTransactionStatus(txnId, TransactionStatus.FAILED, "Payment failed for the transaction.");

			}catch(TException e){

				log.error("Error while updating information.");

				e.printStackTrace();

				//FIXME Even we get exception we should sent url back to payment gateway. And some thing back channel should be done

			} catch (PaymentException e) {

				log.error("Error while updating information in payment database.");

				e.printStackTrace();

			} catch (TransactionServiceException e) {

				log.error("Error while updating information in transaction database.");

				e.printStackTrace();

			}

			try{

				this.redirectUrl = ConfigClient.getClient().get("payment_error_url") + "?paymentId="+merchantPaymentId;

			}catch(Exception ex){

				this.redirectUrl = "http://173.230.147.250:8080/pay-error?paymentId="+merchantPaymentId;	

			}

		}

		return "index";

	}

	public String getRedirectUrl(){

		return this.redirectUrl;

	}

	@Override

	public void setServletRequest(HttpServletRequest request) {

		this.request = request;

		for(Object param: request.getParameterMap().keySet()){

			System.out.println("PARAMS: " + param + " = "+ request.getParameter((String)param));

		}

	}

	@Override

	public void setServletResponse(HttpServletResponse response) {

		this.response = response;

	}

}