Subversion Repositories SmartDukaan

package in.shop2020.ui.util;

import in.shop2020.metamodel.definitions.Catalog;

import in.shop2020.metamodel.definitions.Category;

import in.shop2020.metamodel.util.CreationUtils;

import in.shop2020.metamodel.util.ExpandedEntity;

import in.shop2020.metamodel.util.ItemPojo;

import in.shop2020.model.v1.catalog.CatalogService.Client;

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

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

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

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

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

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

import in.shop2020.thrift.clients.CatalogClient;

import in.shop2020.thrift.clients.TransactionClient;

import in.shop2020.util.PojoCreator;

import in.shop2020.util.Utils;

import java.io.BufferedWriter;

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.io.OutputStreamWriter;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Locale;

import java.util.Map;

import java.util.Properties;

import java.util.TreeMap;

import org.apache.commons.io.FileUtils;

import org.apache.thrift.TException;

import org.apache.thrift.transport.TTransportException;

import org.apache.velocity.Template;

import org.apache.velocity.VelocityContext;

import org.apache.velocity.app.Velocity;

import org.apache.velocity.exception.ParseErrorException;

import org.apache.velocity.exception.ResourceNotFoundException;

/**

 * utility class to generated all html stuff from java objects

 * Driver class to merge Java data objects with VTL script. 

 * 

 * @author rajveer

 *

 */

public class PriceInsertor {

    static Map<Long, EmiScheme> EMI_SCHEMES = new TreeMap<Long, EmiScheme>();

    private static Map<Long, Map<Long, Long>> comparisonStats;

    static {

        try {

        	comparisonStats = CreationUtils.getComparisonStats();

            TransactionClient transactionClient = new TransactionClient("support_transaction_service_server_host", "transaction_service_server_port");

            in.shop2020.model.v1.order.TransactionService.Client trxClient = transactionClient.getClient();

            List<EmiScheme> emiSchemes = trxClient.getAvailableEmiSchemes();

            System.out.println("EMIs:" + emiSchemes);

            for (EmiScheme emiScheme : emiSchemes){

                if(!EMI_SCHEMES.containsKey(emiScheme.getMinAmount())) {

                    EMI_SCHEMES.put(emiScheme.getMinAmount(), emiScheme);

                } else {

                    EmiScheme emiSchemeOld = EMI_SCHEMES.get(emiScheme.getMinAmount());

                    double interestRateOld = emiSchemeOld.getInterestRate()/12/100;

                    double interestRate = emiScheme.getInterestRate()/12/100;

                    if(Double.compare(

                            interestRateOld*Math.pow((1+interestRateOld), emiSchemeOld.getTenure())/(Math.pow((1+interestRateOld), emiSchemeOld.getTenure())-1),

                            interestRate*Math.pow((1+interestRate), emiScheme.getTenure())/(Math.pow((1+interestRate), emiScheme.getTenure())-1)) 

                                            > 0){

                        EMI_SCHEMES.put(emiScheme.getMinAmount(), emiScheme);

                    }

                }

            }

        } catch (Exception e) {

            e.printStackTrace();

        }

    }

    CatalogClient csc;

    Client client;

    PojoCreator creator;

	public PriceInsertor() throws TTransportException{

        creator = new PojoCreator();

        csc = new CatalogClient();

        client = csc.getClient();

	}

	public void copySolrSchemaFiles() throws IOException{

		String source = Utils.EXPORT_PATH + "xml/final/irmetadata_solrschema.xml";

		String destination = Utils.EXPORT_PATH + "solr/irmetadata_solrschema.xml";

		FileUtils.copyFile(new File(source), new File(destination));

		source = Utils.EXPORT_PATH + "xml/final/irmetadata_catchall.xml";

		destination = Utils.EXPORT_PATH + "solr/irmetadata_catchall.xml";

		FileUtils.copyFile(new File(source), new File(destination));

	}

	public void insertPriceInSolrData(long catalogId, String priceString, String availabilityString) throws IOException{

		String irSolrFilename = Utils.EXPORT_PATH + "xml/final/" + catalogId + "_irdata_solr.xml";

		String finalFile = Utils.EXPORT_PATH + "solr/" + catalogId + "_irdata_solr.xml";

		File f = new File(irSolrFilename);

		String s = FileUtils.readFileToString(f);

		s = s.replaceAll("<field name=\"F_50002\">.*</field>", priceString);

		s = s.replaceAll("<field name=\"F_50028\">.*</field>", availabilityString);

		File f1 = new File(finalFile);

		FileUtils.writeStringToFile(f1, s);

	}

	/**

	 * 

	 * 

	 * @param items

	 * @param catalogId

	 * @param domain

	 * @param exportPath

	 * @param source

	 * @return

	 */

	public double insertPriceInHtml(List<Item> items, long catalogId, String domain, String exportPath, Source source){

		ArrayList<Map<String, String>> itemDetails = new ArrayList<Map<String,String>>();

		List<ItemPojo> itemPojos = new ArrayList<ItemPojo>();

		String offerText = null;

		String offerDetailText = null;

		String offerDetailLink = null;

		String afterArrival = null;

		String showPrice = "TRUE";

		Item minPriceItem = null;

		for(Item item: items){

			Map<String, String> itemDetail = new HashMap<String, String>();

			ItemPojo itemPojo = new ItemPojo();

			boolean showmrp = true;

			double sellingPrice = item.getSellingPrice();

			double mrp = item.getMrp();

			if(source != null){

				try {

					SourceItemPricing sip = client.getItemPricingBySource(item.getId(), source.getId());

					sellingPrice = sip.getSellingPrice();

					mrp = sip.getMrp();

				} catch (TException e) {

				} catch (CatalogServiceException e) {

				}

			}

			if (mrp <= sellingPrice) {

				showmrp = false;

			}

			if(minPriceItem == null || minPriceItem.getSellingPrice() > item.getSellingPrice()){

				minPriceItem = item;

			}

			double saving = Math.round((mrp-sellingPrice)/mrp*100);

			itemDetail.put("ITEM_ID", ((int)item.getId())+"");

			itemDetail.put("SP", ((int)sellingPrice)+"");

			itemDetail.put("MRP", ((int)mrp)+"");

			itemDetail.put("SAVING", ((int)saving)+"");

			itemDetail.put("COLOR", item.getColor());

			itemDetail.put("CATALOG_ID", ((int)item.getCatalogItemId())+"");

			itemDetail.put("SHOWMRP", showmrp +"");

			itemDetail.put("IS_SELECTED", item.isDefaultForEntity() ? "SELECTED" : "");

			itemDetails.add(itemDetail);

			itemPojo.setId(item.getId());

			itemPojo.setColor(item.getColor());

			String em = getEMI(item.getSellingPrice());

			if(em!=null){

				itemPojo.setMinEmi(Double.parseDouble(em));

			}

			itemPojos.add(itemPojo);

			if(item.getItemStatus().equals(status.COMING_SOON)){

				afterArrival = "after arrival";

				if(!item.isShowSellingPrice()){

					showPrice = "FALSE";

				}else {

					itemPojo.setSellingPrice(item.getSellingPrice());

				}

			}else {

				itemPojo.setSellingPrice(item.getSellingPrice());

				if(showmrp) {

					itemPojo.setMrp(mrp);

				}

			}

			String bestDealsText = item.getBestDealText();

			if( bestDealsText != null && bestDealsText.length() > 0 && offerText == null && status.ACTIVE.equals(item.getItemStatus())){

				offerText = bestDealsText;

				String bestDealsDetailsText = item.getBestDealsDetailsText();

				if( bestDealsDetailsText != null && bestDealsDetailsText.length() > 0){

					offerDetailText = bestDealsDetailsText;

				}

				String bestDealsDetailsLink = item.getBestDealsDetailsLink();

				if( bestDealsDetailsLink != null && bestDealsDetailsLink.length() > 0){

					offerDetailLink = bestDealsDetailsLink;

				}

			}

        	//MostComparedProducts.vm should be generated as part of catalog generation

		}

		if(source == null){

			exportPath = exportPath + catalogId;

		}else{

			exportPath = exportPath + catalogId + File.separator + source.getId();

		}

		File exportDir = new File(exportPath);

		if(!exportDir.exists()) {

			exportDir.mkdir();

		}

		// This URL is used to ensure that images such as icon and thumbnail for

		// a particular entity are always downloaded from the same location.

		String staticurl = "http://static" + catalogId%3 + "." + (domain.contains("store") ? "saholic.com":domain);

		VelocityContext context = new VelocityContext();

		String emiString = getEMI(items.get(0).getSellingPrice());

		context.put("domain", domain.contains("store") ? "saholic.com":domain);

		context.put("itemDetails", itemDetails);

		context.put("minPriceItem", minPriceItem);

		context.put("staticurl", staticurl);

		context.put("OFFER_TEXT", offerText);

		context.put("OFFER_DETAIL_TEXT", offerDetailText);

		context.put("OFFER_DETAIL_LINK", offerDetailLink);

		context.put("AFTER_ARRIVAL", afterArrival);

		context.put("SHOW_PRICE", domain.contains("store")?"FALSE":showPrice);

		context.put("IS_STORE", domain.contains("store")?"TRUE":"FALSE");

		context.put("EMI", emiString);

		List<String> filenames = new ArrayList<String>();

		if(!domain.contains("store")){		

			filenames.add("WidgetSnippet");

			filenames.add("ProductPropertiesSnippet");

			filenames.add("MyResearchSnippet");

			filenames.add("AfterSales");

			filenames.add("SearchSnippet");

			filenames.add("CategorySnippet");

			filenames.add("HomeSnippet");

			filenames.add("ProductDetail");

			filenames.add("SlideGuide");

		}else {

			filenames.add("store/" + catalogId + "/SearchSnippet");

			filenames.add("store/" + catalogId + "/CategorySnippet");

			filenames.add("store/" + catalogId + "/HomeSnippet");

			filenames.add("store/" + catalogId + "/ProductDetail");

			filenames.add("store/" + catalogId + "/SlideGuide");

		}

		Category category = Catalog.getInstance().getDefinitionsContainer().getCategory(items.get(0).getCategory());

		if(category!=null && !domain.contains("store")){

			Category parentCategory = category.getParentCategory();

            if(parentCategory.getID() == Utils.MOBILE_PHONES_CATAGORY)    {

                filenames.add("PhonesIOwnSnippet");

            }

            if(parentCategory.isHasAccessories()){

                filenames.add("RelatedAccessories");

            }

            filenames.add("CompareProductSnippet");

            filenames.add("SlideNamesSnippet");

            filenames.add("ComparisonSnippet");

            if(category.isComparable()) {

            	//Before adding we should populate 

            	try {

            		getMostComparedProducts(exportPath,catalogId);

            	}catch (Exception e){

            		e.printStackTrace();

            	}

                filenames.add("CompareProductSummarySnippet");

                filenames.add("MostComparedSnippet");

            }

        }

        getHtmlFromVelocity(filenames,exportPath,context,catalogId);

        //Update catalogInfo to catalog

        creator.updateCatalogInfo(catalogId, offerText, itemPojos);

        return minPriceItem.getSellingPrice();

    }

    private static String getEMI(double sellingPrice) {

        String returnString = null;

        double finalEmiD = 0d;

        for (EmiScheme emiScheme : EMI_SCHEMES.values() ){

            double interestRate = emiScheme.getInterestRate()/12/100;

            if(emiScheme.getMinAmount() <= sellingPrice) {

                double emiD = interestRate*Math.pow((1+interestRate), emiScheme.getTenure())/(Math.pow((1+interestRate), emiScheme.getTenure())-1);

                if(finalEmiD == 0d){

                    finalEmiD = emiD; 

                } else if(Double.compare(finalEmiD, emiD) > 0){

                    finalEmiD = emiD;

                }

            }

        }

        if(finalEmiD != 0d) {

            returnString = String.format(Locale.getDefault(),"%.0f",sellingPrice * finalEmiD);

        }

        return returnString;

    }

	public void getHtmlFromVelocity(List<String> filenames, String exportPath, VelocityContext context, long catalogId){

		try {

			Properties p = new Properties();

			p.setProperty("resource.loader", "file");

			p.setProperty("file.resource.loader.class","org.apache.velocity.runtime.resource.loader.FileResourceLoader");

			p.setProperty( "file.resource.loader.path", Utils.EXPORT_VELOCITY_PATH);

			Velocity.init(p);

			for(String filename: filenames){

				if(filename.contains("store/")){

					Template template = Velocity.getTemplate(filename + ".vm", "UTF-8");

					BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(exportPath + File.separator + filename.split(""+ catalogId +"/")[1] +".html")));

					template.merge(context, writer);

					writer.flush();

					writer.close();

				} else {

					Template template = Velocity.getTemplate(catalogId + File.separator + filename + ".vm", "UTF-8");

					BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(exportPath + File.separator + filename +".html")));

					template.merge(context, writer);

					writer.flush();

					writer.close();

				}

			}

		}catch (ResourceNotFoundException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		} catch (IOException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		} catch (ParseErrorException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		} catch (Exception e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

	}

	/**

     * Get most compared phones

     *

     * @param expEntity

     * @param exportPath

     * @throws Exception

     */

    private void getMostComparedProducts(String exportPath, long catalogId) throws Exception {

        Map<Long, Long> comparedPhones = comparisonStats.get(catalogId);

        StringBuffer sb = new StringBuffer();

        int maxCount = 10;

        int count = 0;

        if (comparedPhones != null) {

            for (Long entityID : comparedPhones.keySet()) {

                if (count > maxCount) {

                    break;

                }

                sb.append(entityID + "\n");

                count++;

            }

        }

        if(count>0){

		    String exportFileName = exportPath + File.separator + "MostComparedProducts.html";

		    File exportFile = new File(exportFileName);

		    exportFile.createNewFile();

		    BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(

		            new FileOutputStream(exportFile)));

		    writer.write(sb.toString());

		    writer.flush();

		    writer.close();

        }

    }

}