Subversion Repositories SmartDukaan

package in.shop2020.support.services;

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

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

import in.shop2020.thrift.clients.TransactionClient;

import java.io.ByteArrayOutputStream;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

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 java.util.List;

import org.apache.poi.hssf.usermodel.HSSFWorkbook;

import org.apache.poi.ss.usermodel.Cell;

import org.apache.poi.ss.usermodel.CellStyle;

import org.apache.poi.ss.usermodel.CreationHelper;

import org.apache.poi.ss.usermodel.Row;

import org.apache.poi.ss.usermodel.Sheet;

import org.apache.poi.ss.usermodel.Workbook;

import org.apache.thrift.TException;

import org.apache.thrift.transport.TTransportException;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

public class CourierReconciliationGenerator {

    private static Logger logger = LoggerFactory.getLogger(CourierReconciliationGenerator.class);

    private TransactionClient tsc = null;

    public CourierReconciliationGenerator(){

        try {

            tsc = new TransactionClient();

        } catch (TTransportException e) {

            logger.error("Error establishing connection to one of txn, payment or user service", e);

        }

    }

    public ByteArrayOutputStream generateCourierReconciliationReport(Date startDate, Date endDate, int providerId, boolean cod){

        ByteArrayOutputStream baosXLS = new ByteArrayOutputStream();

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

        List<Order> orders = null;

        try {

            orders = txnClient.getOrdersByShippingDate(startDate.getTime(), endDate.getTime(), providerId, -1, cod);

        } catch (TException e) {

            logger.error("Error getting information from one of the Thrift Services: ", e);

            return baosXLS;

        } catch (TransactionServiceException e) {

            logger.error("Error getting orders from the transaction service: ", e);

            return baosXLS;

        }

        Workbook wb = new HSSFWorkbook();

        CreationHelper createHelper = wb.getCreationHelper();

        CellStyle dateCellStyle = wb.createCellStyle();

        dateCellStyle.setDataFormat(createHelper.createDataFormat().getFormat("d/m/yyyy"));

        CellStyle weightStyle = wb.createCellStyle();

        weightStyle.setDataFormat(createHelper.createDataFormat().getFormat("0.000"));

        createOutscannedOrdersSheet(orders, wb, dateCellStyle, weightStyle);

        createReturnedOrdersSheet(orders, wb, dateCellStyle, weightStyle);

        // Write the workbook to the output stream

        try {

            wb.write(baosXLS);

            baosXLS.close();

        } catch (IOException e) {

            logger.error("Exception while creating the Courier Details report", e);

        }

        return baosXLS;

    }

    /**

     * Creates a sheet named Outscanned Orders in the given workbook.

     * 

     * @param orders

     *            Outscanned orders to insert in the sheet.

     * @param wb

     *            Workbook to create the sheet in.

     * @param dateCellStyle

     *            Formatter for any date cells.

     * @param weightStyle

     *            Formatter for weight cells.

     */

    private void createOutscannedOrdersSheet(List<Order> orders, Workbook wb, CellStyle dateCellStyle, CellStyle weightStyle) {

        Sheet sheet = wb.createSheet("Outscanned Orders");

        // Create the header row and put all the titles in it. Rows are 0 based.

        Row headerRow = sheet.createRow((short)0);

        headerRow.createCell(0).setCellValue("AWB No");

        headerRow.createCell(1).setCellValue("Order Id");

        headerRow.createCell(2).setCellValue("Shipment Date");

        headerRow.createCell(3).setCellValue("City");

        headerRow.createCell(4).setCellValue("Packet Weight(in Kg)");

        headerRow.createCell(5).setCellValue("Order Amount");

        int serialNo = 0;

        for(Order order : orders){

            serialNo++;

            Row contentRow = sheet.createRow((short)serialNo);

            contentRow.createCell(0).setCellValue(order.getAirwaybill_no());

            contentRow.createCell(1).setCellValue(order.getId());

            Cell awbDateCell = contentRow.createCell(2);

            awbDateCell.setCellValue(new Date(order.getShipping_timestamp()));

            awbDateCell.setCellStyle(dateCellStyle);

            contentRow.createCell(3).setCellValue(getValueForEmptyString(order.getCustomer_city()));

            Cell weightCell = contentRow.createCell(4);

            weightCell.setCellValue(order.getTotal_weight());

            weightCell.setCellStyle(weightStyle);

            contentRow.createCell(5).setCellValue(order.getTotal_amount());

        }

    }

    /**

     * Creates a sheet named Returned Orders in the given workbook.

     * 

     * @param orders

     *            Returned orders to insert in the sheet.

     * @param wb

     *            Workbook to create the sheet in.

     * @param dateCellStyle

     *            Formatter for any date cells.

     * @param weightStyle

     *            Formatter for weight cells.

     */

    private void createReturnedOrdersSheet(List<Order> orders, Workbook wb, CellStyle dateCellStyle, CellStyle weightStyle) {

        Sheet sheet = wb.createSheet("Returned Orders");

        // Create the header row and put all the titles in it. Rows are 0 based.

        Row headerRow = sheet.createRow((short)0);

        headerRow.createCell(0).setCellValue("Reference No");

        headerRow.createCell(1).setCellValue("Order Id");

        headerRow.createCell(2).setCellValue("Return Date");

        headerRow.createCell(3).setCellValue("City");

        headerRow.createCell(4).setCellValue("Packet Weight(in Kg)");

        headerRow.createCell(5).setCellValue("Order Amount");

        int serialNo = 0;

        for(Order order : orders){

            serialNo++;

            Row contentRow = sheet.createRow((short)serialNo);

            contentRow.createCell(0).setCellValue(order.getAirwaybill_no());

            contentRow.createCell(1).setCellValue(order.getId());

            Cell awbDateCell = contentRow.createCell(2);

            awbDateCell.setCellValue(new Date(order.getShipping_timestamp()));

            awbDateCell.setCellStyle(dateCellStyle);

            contentRow.createCell(3).setCellValue(getValueForEmptyString(order.getCustomer_city()));

            Cell weightCell = contentRow.createCell(4);

            weightCell.setCellValue(order.getTotal_weight());

            weightCell.setCellStyle(weightStyle);

            contentRow.createCell(5).setCellValue(order.getTotal_amount());

        }

    }

    private String getValueForEmptyString(String s){

        if(s==null || s.equals(""))

            return "-";

        else

            return s; 

    }

    public static void main(String[] args){

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

        Date startDate = null, endDate = null;

        try {

            startDate = df.parse("01/01/2011");

            endDate = df.parse("06/30/2011");

            Calendar cal = Calendar.getInstance();

            cal.setTime(endDate);

            cal.add(Calendar.DATE, 1);

            endDate.setTime(cal.getTimeInMillis());

        } catch (ParseException pe) {

            logger.error("Error parsing the supplied date", pe);

        }

        CourierReconciliationGenerator crg = new CourierReconciliationGenerator();

        try {

            String userHome = System.getProperty("user.home");

            FileOutputStream f = new FileOutputStream(userHome + "/courier-reconciliation-report.xls");

            ByteArrayOutputStream baosXLS = crg.generateCourierReconciliationReport(startDate, endDate, 1, false);

            baosXLS.writeTo(f);

            f.close();

        } catch (FileNotFoundException e) {

            logger.error("Error creating payment details report", e);

        } catch (IOException e) {

            logger.error("IO error while creating payment details report", e);

        }

        System.out.println("Successfully generated the payment details report");

    }

}