Subversion Repositories SmartDukaan

package in.shop2020.inventory.service;

import in.shop2020.purchase.PurchaseOrder;

import in.shop2020.purchase.Supplier;

import java.io.ByteArrayOutputStream;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.text.DateFormat;

import java.util.Date;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import com.itextpdf.text.Document;

import com.itextpdf.text.Element;

import com.itextpdf.text.Font;

import com.itextpdf.text.Font.FontFamily;

import com.itextpdf.text.FontFactory;

import com.itextpdf.text.Paragraph;

import com.itextpdf.text.Phrase;

import com.itextpdf.text.Rectangle;

import com.itextpdf.text.pdf.PdfPCell;

import com.itextpdf.text.pdf.PdfPTable;

import com.itextpdf.text.pdf.PdfWriter;

public class PdfPoSheetGenerator {

    private static Logger logger = LoggerFactory

            .getLogger(PdfPoSheetGenerator.class);

    // private static final Properties properties = readProperties();

    private static final String ourAddress = "Spice Online Retail Pvt. Ltd.\nKhasra No. 819, Block-K\nMahipalpur, New Delhi-110037\n";

    private static final String tinNo = "07250399732";

    private static final Font helvetica8 = FontFactory.getFont(

            FontFactory.HELVETICA, 8);

    private static final Font helveticaBold8 = FontFactory.getFont(

            FontFactory.HELVETICA_BOLD, 8);

    private static final Font helveticaBold12 = FontFactory.getFont(

            FontFactory.HELVETICA_BOLD, 12);

    public static String generatePdfSheet(PurchaseOrder purchaseOrder,

            Supplier supplier) throws IOException {

        ByteArrayOutputStream baosPDF = null;

        try {

            baosPDF = new ByteArrayOutputStream();

            Document document = new Document();

            PdfWriter.getInstance(document, baosPDF);

            document.addAuthor("shop2020");

            document.addTitle("Purchase Order No: "

                    + purchaseOrder.getPoNumber());

            document.open();

            PdfPTable poTable = getPoTable(purchaseOrder, supplier);

            poTable.setSpacingAfter(10.0f);

            poTable.setWidthPercentage(90.0f);

            document.add(poTable);

            document.close();

            baosPDF.close();

        } catch (Exception e) {

            logger.error("Error while generating Invoice: ", e);

        }

        String tmpDir = System.getProperty("java.io.tmpdir");

        String filename = tmpDir + "/po-" + purchaseOrder.getId() + ".pdf";

        File f = new File(filename);

        FileOutputStream fos = new FileOutputStream(f);

        baosPDF.writeTo(fos);

        return filename;

    }

    private static PdfPTable getPoTable(PurchaseOrder purchaseOrder,

            Supplier supplier) throws Exception {

        PdfPTable poTable = new PdfPTable(1);

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

        poTable.getDefaultCell().setHorizontalAlignment(Element.ALIGN_CENTER);

        PdfPCell poTitleCell = new PdfPCell(new Phrase("Purchase Order",

                helveticaBold12));

        poTitleCell.setHorizontalAlignment(Element.ALIGN_CENTER);

        poTitleCell.setBorder(Rectangle.NO_BORDER);

        Date poDate = new Date(purchaseOrder.getCreatedAt());

        PdfPTable poSummaryTable = new PdfPTable(new float[] { 0.5f, 0.5f });

        poSummaryTable.addCell(new PdfPCell(new Phrase("PO No: "

                + purchaseOrder.getPoNumber())));

        poSummaryTable

                .addCell(new PdfPCell(new Phrase("Date: "

                        + DateFormat.getDateInstance(DateFormat.MEDIUM).format(

                                poDate))));

        poSummaryTable.setSpacingBefore(10.0f);

        poTable.addCell(poTitleCell);

        poTable.addCell(getAddressCell());

        poTable.addCell(poSummaryTable);

        poTable.addCell(getSalutationTable(supplier));

        poTable.addCell(getPoDetailsTable(purchaseOrder));

        poTable.addCell(getBillToTable());

        return poTable;

    }

    private static PdfPCell getAddressCell() {

        Paragraph addressParagraph = new Paragraph(ourAddress + "\nTIN NO. "

                + tinNo, new Font(FontFamily.TIMES_ROMAN, 8f));

        PdfPCell addressCell = new PdfPCell();

        addressCell.addElement(addressParagraph);

        addressCell.setHorizontalAlignment(Element.ALIGN_CENTER);

        addressCell.setBorder(Rectangle.NO_BORDER);

        return addressCell;

    }

    private static PdfPTable getSalutationTable(Supplier supplier)

            throws Exception {

        PdfPTable salutationTable = new PdfPTable(1);

        salutationTable.getDefaultCell().setHorizontalAlignment(

                Element.ALIGN_LEFT);

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

        salutationTable.addCell(new Phrase("To", helvetica8));

        salutationTable.addCell(new Paragraph(supplier

                .getCommunicationAddress(), helvetica8));

        salutationTable.addCell(new Phrase("Dear Sir/Madam", helveticaBold8));

        salutationTable

                .addCell(new Phrase(

                        "Please supply the following stocks as per the details given below:",

                        helvetica8));

        salutationTable.addCell(new Phrase(" "));

        return salutationTable;

    }

    private static PdfPTable getPoDetailsTable(PurchaseOrder purchaseOrder) {

        PdfPTable detailsTable = new PdfPTable(new float[] { 0.1f, 0.5f, 0.1f,

                0.2f, 0.2f });

        detailsTable.addCell(new Phrase("Sl. No.", helveticaBold8));

        detailsTable.addCell(new Phrase("Description", helveticaBold8));

        detailsTable.addCell(new Phrase("Quantity", helveticaBold8));

        detailsTable.addCell(new Phrase("Rate (Rs)", helveticaBold8));

        detailsTable.addCell(new Phrase("Amount (Rs)", helveticaBold8));

        int slNo = 0;

        double total = 0;

        for (in.shop2020.purchase.LineItem lineitem : purchaseOrder

                .getLineitems()) {

            slNo++;

            detailsTable.addCell(new Phrase(slNo + "", helvetica8));

            detailsTable.addCell(getProductNameCell(lineitem));

            detailsTable.addCell(new Phrase(lineitem.getQuantity() + "",

                    helvetica8));

            detailsTable.addCell(new Phrase(lineitem.getUnitPrice() + "",

                    helvetica8));

            double lineTotal = lineitem.getQuantity() * lineitem.getUnitPrice();

            total += lineTotal;

            detailsTable.addCell(new Phrase("" + lineTotal, helvetica8));

        }

        detailsTable.addCell(getTotalCell(4));

        detailsTable.addCell(new Phrase("" + total, helvetica8));

        return detailsTable;

    }

    private static PdfPTable getBillToTable() {

        PdfPTable billToTable = new PdfPTable(new float[] { 0.2f, 0.8f });

        billToTable.getDefaultCell().setHorizontalAlignment(Element.ALIGN_LEFT);

        billToTable.addCell(new Phrase("Bill To and Ship To:", helvetica8));

        billToTable.addCell(new PdfPCell(new Paragraph(ourAddress

                + "\nTIN NO. " + tinNo, helvetica8)));

        billToTable.addCell(new Phrase("Contact Person:", helvetica8));

        billToTable.addCell(new Phrase(

                "Mr. Pramod Kumar, Contact No. +91 9971573026", helvetica8));

        billToTable.addCell(new Phrase("Taxes:", helvetica8));

        billToTable.addCell(new Phrase("Prices inclusive of all taxes",

                helvetica8));

        return billToTable;

    }

    private static PdfPCell getProductNameCell(

            in.shop2020.purchase.LineItem lineitem) {

        String itemName = getItemDisplayName(lineitem);

        PdfPCell productNameCell = new PdfPCell(

                new Phrase(itemName, helvetica8));

        productNameCell.setHorizontalAlignment(Element.ALIGN_LEFT);

        return productNameCell;

    }

    private static String getItemDisplayName(

            in.shop2020.purchase.LineItem lineitem) {

        StringBuffer itemName = new StringBuffer();

        if (lineitem.getBrand() != null)

            itemName.append(lineitem.getBrand() + " ");

        if (lineitem.getModelName() != null)

            itemName.append(lineitem.getModelName() + " ");

        if (lineitem.getModelNumber() != null)

            itemName.append(lineitem.getModelNumber() + " ");

        if (lineitem.getColor() != null

                && !lineitem.getColor().trim().equals("NA"))

            itemName.append("(" + lineitem.getColor() + ")");

        return itemName.toString();

    }

    private static PdfPCell getTotalCell(int colspan) {

        PdfPCell totalCell = new PdfPCell(new Phrase("Total", helveticaBold8));

        totalCell.setColspan(colspan);

        totalCell.setHorizontalAlignment(Element.ALIGN_RIGHT);

        return totalCell;

    }

}