Subversion Repositories SmartDukaan

package in.shop2020.support.controllers;

import in.shop2020.support.services.PaymentDetailsGenerator;

import in.shop2020.thrift.clients.HelperServiceClient;

import in.shop2020.utils.StatisticsUser;

import java.io.ByteArrayOutputStream;

import java.io.IOException;

import java.text.DateFormat;

import java.text.ParseException;

import java.text.SimpleDateFormat;

import java.util.Calendar;

import java.util.Date;

import javax.servlet.ServletOutputStream;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.servlet.http.HttpSession;

import org.apache.struts2.interceptor.ServletRequestAware;

import org.apache.struts2.interceptor.ServletResponseAware;

public class PaymentDetailsController implements ServletResponseAware, ServletRequestAware {

    private HttpServletRequest request;

    private HttpServletResponse response;

    private HttpSession session;

    private String errorMsg = "";

    private final String authsuccess = "authsuccess";

    private final String authfail = "authfail";

    public PaymentDetailsController() {

    }

    @Override

    public void setServletRequest(HttpServletRequest req) {

        this.request = req;

        this.session = req.getSession();

    }

    @Override

    public void setServletResponse(HttpServletResponse res) {

        this.response = res;

    }

    public String index() {

        if (getSessionUserName() == null) {

            return authfail;

        } else {

            return authsuccess;

        }

    }

    // Handles the POST request (Form Submission)

    public String create() {

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

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

        if(username != null && password != null) {

            try{

                HelperServiceClient hsc = new HelperServiceClient();

                in.shop2020.utils.HelperService.Client client = hsc.getClient();

                StatisticsUser user = client.authenticateStatisticsUser(username, password);

                session.setAttribute("username", user.getUsername());

                return authsuccess;

            }catch(Exception e){

                e.printStackTrace();

                return authfail;

            }

        }

        if (getSessionUserName() == null) {

            return authfail;

        }

        // Formatting Form input parameters

        String startDateStr = request.getParameter("startDate");

        String endDateStr = request.getParameter("endDate");

        DateFormat df = new SimpleDateFormat("MM/dd/yyyy");

        Date startDate = null, endDate = null;

        try {

            startDate = df.parse(startDateStr);

            endDate = df.parse(endDateStr);

            Calendar cal = Calendar.getInstance();

            cal.setTime(endDate);

            cal.add(Calendar.DATE, 1);

            endDate.setTime(cal.getTimeInMillis());

        } catch (ParseException pe) {

            errorMsg = "Please enter start and end dates in format MM/dd/yyyy";

            return authsuccess;

        }

        PaymentDetailsGenerator paymentDetailGenerator = new PaymentDetailsGenerator();

        ByteArrayOutputStream baos = paymentDetailGenerator.generatePaymentDetailsReport(startDate, endDate);

        if (baos == null) {

            errorMsg = "No output for given date range";

            return authsuccess;

        } else {

            errorMsg = "";

        }

        // Preparing XLS file for output

        response.setContentType("application/vnd.ms-excel");

        response.setHeader("Content-disposition", "inline; filename=payments-report" + ".xls");

        ServletOutputStream sos;

        try {

            sos = response.getOutputStream();

            baos.writeTo(sos);

            sos.flush();

        } catch (IOException e) {

            errorMsg = "Failed to write to response.";

            e.printStackTrace();

        }

        return authsuccess;

    }

    public String getErrorMsg() {

        return errorMsg;

    }

    public String getSessionUserName() {

        return (String) session.getAttribute("username");

    }

}