Subversion Repositories SmartDukaan

package in.shop2020.inventory.service;

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

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

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

import in.shop2020.model.v1.inventory.StateInfo;

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

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

import in.shop2020.purchase.PurchaseOrder;

import in.shop2020.purchase.Supplier;

import in.shop2020.purchase.TaxType;

import in.shop2020.thrift.clients.CatalogClient;

import in.shop2020.thrift.clients.InventoryClient;

import in.shop2020.thrift.clients.TransactionClient;

import java.io.ByteArrayOutputStream;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.text.DateFormat;

import java.text.MessageFormat;

import java.util.Calendar;

import java.util.Date;

import java.util.Map;

import org.apache.commons.lang.StringUtils;

import org.apache.thrift.TException;

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 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 Map<Long, StateInfo> stateIdMap = null;

	static String CONTACT_FORMAT = "Mr. {0}, Contact No. +91 {1}";

	static {

		try {

			in.shop2020.model.v1.inventory.InventoryService.Client inventoryClient = new InventoryClient().getClient();

			stateIdMap = inventoryClient.getStateMaster();

		} catch (Exception e) {

			logger.error("Unable to get State Info Map", e);

		}

	}

	public static String generatePdfSheet(PurchaseOrder purchaseOrder, Supplier supplier) throws IOException {

		ByteArrayOutputStream baosPDF = null;

		try {

			in.shop2020.model.v1.order.TransactionService.Client tClient = new TransactionClient().getClient();

			BuyerInfo binfo = tClient.getBuyerByWarehouse(purchaseOrder.getWarehouseId());

			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, binfo);

			poTable.setSpacingAfter(10.0f);

			poTable.setWidthPercentage(100.0f);

			document.add(poTable);

			document.close();

			baosPDF.close();

		} catch (Exception e) {

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

			e.printStackTrace();

		}

		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, BuyerInfo binfo) 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);

		long poValidityLimit = supplier.getPoValidityLimit();

		Calendar cal1 = Calendar.getInstance();

		cal1.setTimeInMillis(purchaseOrder.getCreatedAt());

		cal1.add(Calendar.DAY_OF_MONTH, (int) poValidityLimit);

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

		Date poExpiryDate = new Date(cal1.getTimeInMillis());

		PdfPTable poSummaryTable = new PdfPTable(new float[] { 0.3f, 0.3f, 0.4f });

		poSummaryTable.addCell(new PdfPCell(new Phrase("PO No: " + purchaseOrder.getPoNumber())));

		poSummaryTable.addCell(new PdfPCell(new Phrase("Date: " + DateFormat.getDateInstance(DateFormat.MEDIUM).format(poDate))));

		poSummaryTable.addCell(new PdfPCell(new Phrase("PO Valid for delivery by: "

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

		poSummaryTable.setSpacingBefore(10.0f);

		poTable.addCell(poTitleCell);

		poTable.addCell(getAddressCell(purchaseOrder, binfo));

		poTable.addCell(poSummaryTable);

		poTable.addCell(getSalutationTable(supplier));

		poTable.addCell(getPoDetailsTable(purchaseOrder, supplier, binfo));

		poTable.addCell(getBillToTable(purchaseOrder));

		// poTable.addCell(getCFormCell(purchaseOrder.getTaxType()));

		if(supplier.isSetTnc()) {

			poTable.addCell(getTncTable(supplier.getTnc()));

		}

		return poTable;

	}

	/*

	 * private static PdfPCell getCFormCell(TaxType taxType) { PdfPCell

	 * cFormCell = null; if(taxType == TaxType.CFORM) { cFormCell = new

	 * PdfPCell(new Paragraph("*To be billed on CST Against C-Form ", new

	 * Font(FontFamily.TIMES_ROMAN, 8f))); } else { cFormCell = new PdfPCell();

	 * } cFormCell.setBorder(Rectangle.NO_BORDER);

	 * cFormCell.setHorizontalAlignment(Element.ALIGN_LEFT); return cFormCell; }

	 */

	private static PdfPTable getAddressCell(PurchaseOrder purchaseOrder, BuyerInfo binfo) {

		// TODO Write this code in a proper configurable way

		String address = "";

		String tinNo = "";

		String shippingAddress = "";

		try {

			in.shop2020.model.v1.order.TransactionService.Client tClient = new TransactionClient().getClient();

			WarehouseAddress addr = tClient.getWarehouseAddress(purchaseOrder.getWarehouseAddressId());

			tinNo = binfo.getTin();

			address = binfo.getOrganisationName() + "\n" + addr.getAddress() + "\n" + "-" + addr.getPin();

		} catch (Exception e) {

			logger.error("This should not happen", e);

		}

		PdfPTable billToShipToTable = new PdfPTable(2);

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

		PdfPCell addressCell = new PdfPCell();

		if (purchaseOrder.getWarehouseId() != purchaseOrder.getShippingWarehouseId()) {

			addressParagraph = new Paragraph("Bill To :\n" + address + "\n\nTIN NO. " + tinNo, new Font(FontFamily.TIMES_ROMAN, 8f));

		}

		addressCell.addElement(addressParagraph);

		// addressCell.setHorizontalAlignment(Element.ALIGN_CENTER);

		addressCell.setBorder(Rectangle.NO_BORDER);

		if (purchaseOrder.getWarehouseId() != purchaseOrder.getShippingWarehouseId()) {

			try {

				in.shop2020.model.v1.order.TransactionService.Client tClient = new TransactionClient().getClient();

				WarehouseAddress addr = tClient.getWarehouseAddress(purchaseOrder.getShippingWarehouseAddressId());

				address = binfo.getOrganisationName() + "\n" + addr.getAddress() + "\n" + "-" + addr.getPin();

			} catch (Exception e) {

				logger.error("This should not happen", e);

			}

			PdfPCell billToShipToCell = new PdfPCell();

			billToShipToCell.setHorizontalAlignment(Element.ALIGN_LEFT);

			billToShipToCell.setBorder(Rectangle.NO_BORDER);

			PdfPCell shippingAddressCell = new PdfPCell();

			shippingAddressCell.addElement(new Paragraph("Ship To :\n" + shippingAddress + "\nTIN NO. " + tinNo, new Font(

					FontFamily.TIMES_ROMAN, 8f)));

			shippingAddressCell.setHorizontalAlignment(Element.ALIGN_LEFT);

			shippingAddressCell.setBorder(Rectangle.LEFT);

			billToShipToTable.addCell(addressCell);

			billToShipToTable.addCell(shippingAddressCell);

			billToShipToCell.addElement(billToShipToTable);

			return billToShipToTable;

		}

		billToShipToTable.addCell(addressCell);

		PdfPCell placeHolderCell = new PdfPCell();

		placeHolderCell.setBorder(Rectangle.NO_BORDER);

		billToShipToTable.addCell(placeHolderCell);

		return billToShipToTable;

	}

	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));

		if (supplier.getName().equals("Smobility Ltd.")) {

			salutationTable.addCell(new Phrase("Spice Retail Ltd.", helvetica8));

		} else if (supplier.getName().equals("Smobility Ltd. - Mumbai")) {

			salutationTable.addCell(new Phrase("Spice Retail Ltd. Mumbai", helvetica8));

		} else {

			salutationTable.addCell(new Phrase(supplier.getName(), 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, Supplier supplier, BuyerInfo binfo)

			throws CatalogServiceException, TException {

		float[] widths;

		TaxType taxType = purchaseOrder.getTaxType();

		if(taxType.equals(TaxType.SGST)){

			widths = new float[] { 0.05f, 0.25f, 0.09f, 0.1f, 0.09f, 0.09f, 0.09f, 0.07f, 0.1f, 0.07f, 0.1f };

		} else {

			widths = new float[] { 0.1f, 0.27f, 0.1f, 0.1f, 0.1f, 0.1f, 0.1f, 0.08f, 0.1f };

		}

		PdfPTable detailsTable = new PdfPTable(widths);

		PdfPCell slNoCell = getHeaderCell("Sl. No");

		detailsTable.addCell(slNoCell);

		PdfPCell description = getHeaderCell("Description");

		detailsTable.addCell(description);

		PdfPCell hsnCodeCell = getHeaderCell("HSN Code");

		detailsTable.addCell(hsnCodeCell);

		PdfPCell qtyCell = getHeaderCell("Qty");

		detailsTable.addCell(qtyCell);

		PdfPCell rateCell = getHeaderCell("Rate");

		detailsTable.addCell(rateCell);

		PdfPCell totalCell = getHeaderCell("Total Value");

		detailsTable.addCell(totalCell);

		PdfPCell taxableAmontCell = getHeaderCell("Taxable Value");

		taxableAmontCell.setRowspan(2);

		detailsTable.addCell(taxableAmontCell);

		if(taxType.equals(TaxType.SGST)) {

			PdfPCell cell1 = new PdfPCell(new Phrase("CGST", helveticaBold8));

			cell1.setColspan(2);

			cell1.setHorizontalAlignment(Element.ALIGN_CENTER);

			detailsTable.addCell(cell1);

			PdfPCell cell2 = new PdfPCell(new Phrase("SGST", helveticaBold8));

			cell2.setHorizontalAlignment(Element.ALIGN_CENTER);

			cell2.setColspan(2);

			detailsTable.addCell(cell2);

		} else {

			PdfPCell cell3 = new PdfPCell(new Phrase("IGST", helveticaBold8));

			cell3.setHorizontalAlignment(Element.ALIGN_CENTER);

			cell3.setRowspan(2);

			detailsTable.addCell(cell3);

		}

		if(taxType.equals(TaxType.SGST)) {

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

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

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

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

		}else {

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

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

		}

		int slNo = 0;

		double total = 0;

		double vatFactor = 0;

		double totalUnits = 0;

		String stateCode = null;

		CatalogClient cClient = new CatalogClient();

		in.shop2020.model.v1.catalog.CatalogService.Client catalogClient = cClient.getClient();

		for (in.shop2020.purchase.LineItem lineitem : purchaseOrder.getLineitems()) {

			slNo++;

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

			detailsTable.addCell(getProductNameCell(lineitem));

			detailsTable.addCell(new Phrase(lineitem.getHsnCode(), helvetica8));

			detailsTable.addCell(new Phrase(String.format("%d Units", (int)lineitem.getQuantity()), helvetica8));

			detailsTable.addCell(new Phrase(String.format("%.2f", lineitem.getUnitPrice()), helvetica8));

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

			detailsTable.addCell(new Phrase(String.format("%.2f", totalAmount), helvetica8));

			double totalTaxRate = lineitem.getIgstRate() + lineitem.getSgstRate() + lineitem.getCgstRate();

			double taxableAmount = totalAmount / (1 + (totalTaxRate / 100));

			detailsTable.addCell(new Phrase(String.format("%.2f", taxableAmount), helvetica8));

			if(purchaseOrder.getTaxType().equals(TaxType.SGST)) {

				double cgstAmount = taxableAmount * (lineitem.getCgstRate() / 100);

				detailsTable.addCell(new Phrase(String.format("%.2f", lineitem.getCgstRate()), helvetica8));

				detailsTable.addCell(new Phrase(String.format("%.2f", cgstAmount), helvetica8));

				double sgstAmount = taxableAmount * (lineitem.getSgstRate() / 100);

				detailsTable.addCell(new Phrase(String.format("%.2f", lineitem.getSgstRate()), helvetica8));

				detailsTable.addCell(new Phrase(String.format("%.2f", sgstAmount), helvetica8));

			} else {

				double igstAmount = taxableAmount * (lineitem.getIgstRate() / 100);

				detailsTable.addCell(new Phrase(String.format("%.2f", lineitem.getIgstRate()), helvetica8));

				detailsTable.addCell(new Phrase(String.format("%.2f", igstAmount), helvetica8));

			}

			totalUnits += lineitem.getQuantity();

			total += totalAmount;

		}

		if(purchaseOrder.getTaxType().equals(TaxType.SGST)) {

			detailsTable.addCell(getTotalCell(3));

			detailsTable.addCell(new Phrase(String.format("%.0f", totalUnits), helvetica8));

			detailsTable.addCell(getTotalAmountCell(7, total));

		} else {

			detailsTable.addCell(getTotalCell(2));

			detailsTable.addCell(new Phrase(String.format("%.0f", totalUnits), helvetica8));

			detailsTable.addCell(getTotalAmountCell(6, total));

		}

		return detailsTable;

	}

	private static PdfPCell getHeaderCell(String headerName) {

		PdfPCell cell = new PdfPCell(new Phrase(headerName, helveticaBold8));

		cell.setRowspan(2);

		cell.setHorizontalAlignment(Element.ALIGN_CENTER);

		cell.setVerticalAlignment(Element.ALIGN_MIDDLE);

		return cell;

	}

	private static PdfPTable getTncTable(String tnc) {

		PdfPTable tncTable = new PdfPTable(new float[] { 1f });

		tncTable.addCell(new Phrase("Terms & Conditions", helveticaBold8));

		tncTable.addCell(new Phrase(tnc, helvetica8));

		return tncTable;

	}

	private static PdfPTable getBillToTable(PurchaseOrder po) {

		// TODO Write this code in a proper configurable way

		String address = "";

		String gstin = "";

		String contactPerson = "Neeraj Gupta";

		String contactNumber = "9873802000";

		BuyerInfo binfo = new BuyerInfo();

		try {

			in.shop2020.model.v1.order.TransactionService.Client tClient = new TransactionClient().getClient();

			binfo = tClient.getBuyerByWarehouse(po.getWarehouseId());

			gstin = binfo.getGstin();

			WarehouseAddress addr = tClient.getWarehouseAddress(po.getWarehouseAddressId());

			address = binfo.getOrganisationName() + "\n" + addr.getAddress() + "\n" + "-" + addr.getPin();

			if (StringUtils.isNotBlank(addr.getContact_person())) {

				contactPerson = addr.getContact_person();

			}

			if (StringUtils.isNotBlank(addr.getContact_number())) {

				contactNumber = addr.getContact_number();

			}

		} catch (Exception e) {

			logger.error("This should not happen", e);

		}

		contactPerson = MessageFormat.format(CONTACT_FORMAT, contactPerson, contactNumber);

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

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

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

		billToTable.addCell(new PdfPCell(new Paragraph(address 

				+ "\n\nPlace of Supply - " 

				+ MessageFormat.format("{0}({1})", stateIdMap.get(binfo.getStateId()).getStateName(),stateIdMap.get(binfo.getStateId()).getStateCode())

				+ "\nGST NO. " + gstin, helvetica8)));

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

		billToTable.addCell(new Phrase(contactPerson, helvetica8));

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

		if (po.getTaxType() == TaxType.CFORM) {

			billToTable.addCell(new Phrase("Prices inclusive of all taxes (To be billed on CST Against C-Form)", helvetica8));

		} else {

			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;

	}

	private static PdfPCell getTotalAmountCell(int colspan, double totalAmount) {

		PdfPCell totalCell = new PdfPCell(new Phrase(String.format("%.2f", totalAmount), helvetica8));

		totalCell.setColspan(colspan);

		totalCell.setHorizontalAlignment(Element.ALIGN_RIGHT);

		return totalCell;

	}

}