Subversion Repositories SmartDukaan

package in.shop2020.support.services;

import java.io.ByteArrayOutputStream;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.net.MalformedURLException;

import java.text.DateFormat;

import java.text.DecimalFormat;

import java.util.ArrayList;

import java.util.Date;

import java.util.List;

import org.apache.thrift.TException;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import com.itextpdf.text.Document;

import com.itextpdf.text.DocumentException;

import com.itextpdf.text.Element;

import com.itextpdf.text.Font;

import com.itextpdf.text.FontFactory;

import com.itextpdf.text.Image;

import com.itextpdf.text.Paragraph;

import com.itextpdf.text.Phrase;

import com.itextpdf.text.Rectangle;

import com.itextpdf.text.Font.FontFamily;

import com.itextpdf.text.pdf.PdfPCell;

import com.itextpdf.text.pdf.PdfPTable;

import com.itextpdf.text.pdf.PdfWriter;

import in.shop2020.logistics.LogisticsServiceException;

import in.shop2020.logistics.Provider;

import in.shop2020.model.v1.catalog.InventoryServiceException;

import in.shop2020.model.v1.catalog.Warehouse;

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

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

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

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

import in.shop2020.thrift.clients.CatalogClient;

import in.shop2020.thrift.clients.LogisticsClient;

import in.shop2020.thrift.clients.TransactionClient;

public class ManifestGenerator {

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

	private TransactionClient tsc = null;

	private CatalogClient csc = null;

	private LogisticsClient lsc = null;

	private DecimalFormat weightFormat = new DecimalFormat("0.000");

	public ManifestGenerator() {

		try {

			tsc = new TransactionClient();

			csc = new CatalogClient();

			lsc = new LogisticsClient();

		} catch (Exception e) {

		    logger.error("Error while initializing one of the thrift clients", e);

		}

	}

	public ByteArrayOutputStream generateManifestFile(long warehouseId,	long providerId, boolean isCod, List<Long> orderIds) {

		ByteArrayOutputStream baosPDF = null;

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

		in.shop2020.model.v1.catalog.InventoryService.Client inventoryClient = csc.getClient();

		in.shop2020.logistics.LogisticsService.Client logisticsClient = lsc.getClient();

		List<OrderStatus> statuses = new ArrayList<OrderStatus>();

		statuses.add(OrderStatus.BILLED);

		List<Order> orders = null;

		Warehouse warehouse = null;

		Provider provider = null;

		try {

			orders = txnClient.getOrdersInBatch(statuses, 0, 0, warehouseId);

			warehouse = inventoryClient.getWarehouse(warehouseId);

			provider = logisticsClient.getProvider(providerId);

		} catch (TException e) {

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

			return baosPDF;

		} catch (InventoryServiceException e) {

		    logger.error("Error getting warehouse info from the catalog service: ", e);

			return baosPDF;

		} catch (LogisticsServiceException e) {

		    logger.error("Error getting provider info from the logistics service: ", e);

			return baosPDF;

		} catch (TransactionServiceException e) {

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

			return baosPDF;

		}

		try {

			baosPDF = new ByteArrayOutputStream();

			Font helvetica8 = FontFactory.getFont(FontFactory.HELVETICA, 8);

			Document document = new Document();

			PdfWriter.getInstance(document, baosPDF);

			document.addAuthor("shop2020");

			document.addTitle("Manifest for warehouse " + warehouseId + " provider " + providerId);

			document.open();

			PdfPTable table = new PdfPTable(1);

			table.getDefaultCell().setBorder(Rectangle.NO_BORDER);

			table.getDefaultCell().setPaddingBottom(10.0f);

			String logoPath = ManifestGenerator.class.getResource("/logo.jpg").getPath();

			PdfPCell logoCell = new PdfPCell(Image.getInstance(logoPath), false);

			logoCell.setBorder(Rectangle.NO_BORDER);

			String addressString =  warehouse.getLocation() + "\nPIN " + warehouse.getPincode()+ "\n\n";

			Paragraph addressParagraph = new Paragraph(addressString, new Font(FontFamily.TIMES_ROMAN,8f));

			PdfPCell addressCell = new PdfPCell();

			addressCell.addElement(addressParagraph);

			addressCell.setHorizontalAlignment(Element.ALIGN_LEFT);

			addressCell.setBorder(Rectangle.NO_BORDER);

			PdfPTable ordersTable = new PdfPTable(8);

			ordersTable.addCell(new Phrase("Sl No", helvetica8));

			ordersTable.addCell(new Phrase("Order No", helvetica8));

			ordersTable.addCell(new Phrase("AWB No", helvetica8));

			ordersTable.addCell(new Phrase("Packet Wt.", helvetica8));

			ordersTable.addCell(new Phrase("Name", helvetica8));

			ordersTable.addCell(new Phrase("Destination City", helvetica8));

			ordersTable.addCell(new Phrase("Pincode", helvetica8));

			ordersTable.addCell(new Phrase("State", helvetica8));

			int serialNo = 0;

			for(int i=0; i < orders.size();i++){

				Order order = orders.get(i);

				if(!orderIds.contains(order.getId()))

					continue;

				if(order.getLogistics_provider_id()!=providerId)

					continue;

				if(order.isCod() != isCod)

	                continue;

				//TODO: These are exactly the orders which will be shipped now. Shouldn't we change their status to be SHIPPED?

				serialNo++;

				List<LineItem> lineItems = order.getLineitems();

				double weight = 0;

				for(LineItem lineItem: lineItems)

					weight += lineItem.getTotal_weight();

				ordersTable.addCell(new Phrase(serialNo + "", helvetica8));

				ordersTable.addCell(new Phrase(order.getId() + "", helvetica8));

				ordersTable.addCell(new Phrase(order.getAirwaybill_no(), helvetica8));

				ordersTable.addCell(new Phrase(weightFormat.format(weight), helvetica8));

				ordersTable.addCell(new Phrase(order.getCustomer_name(), helvetica8));

				ordersTable.addCell(new Phrase(order.getCustomer_city(), helvetica8));

				ordersTable.addCell(new Phrase(order.getCustomer_pincode(), helvetica8));

				ordersTable.addCell(new Phrase(order.getCustomer_state(), helvetica8));				

			}

			table.addCell(logoCell);

			table.addCell(addressCell);

			if(isCod)

			    table.addCell(new Phrase("PAYMODE: COD", helvetica8));

			else

			    table.addCell(new Phrase("PAYMODE: Prepaid", helvetica8));

			table.addCell(new Phrase("Courier Name: " + provider.getName(), helvetica8));

			table.addCell(new Phrase("Pick up Date: " + DateFormat.getDateInstance(DateFormat.MEDIUM).format(new Date()), helvetica8));

			table.addCell(ordersTable);

			table.setWidthPercentage(90.0f);

			document.add(table);  

			document.close();

			baosPDF.close();

		} catch (DocumentException e) {

		    logger.error("Error while creating the manifest file", e);

		} catch (MalformedURLException e) {

		    logger.error("Error while creating the manifest file", e);

		} catch (IOException e) {

			logger.error("Error while creating the manifest file", e);

		}

		return baosPDF;

	}

	public static void main(String[] args) throws IOException {

		ManifestGenerator manifestGenerator = new ManifestGenerator();

		ByteArrayOutputStream baos = manifestGenerator.generateManifestFile(1, 1, true, null);

		File f = new File("/home/ashish/Downloads/manifest-1-2.pdf");

		FileOutputStream fos = new FileOutputStream(f);

		baos.writeTo(fos);

	}

}