Subversion Repositories SmartDukaan

package in.shop2020.support.controllers;

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

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

import in.shop2020.support.utils.ReportsUtils;

import in.shop2020.thrift.clients.CatalogClient;

import java.io.File;

import java.io.FileInputStream;

import java.io.IOException;

import java.text.SimpleDateFormat;

import java.util.Date;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpSession;

import org.apache.commons.io.FileUtils;

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

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

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

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

import org.apache.struts2.convention.annotation.InterceptorRef;

import org.apache.struts2.convention.annotation.InterceptorRefs;

import org.apache.struts2.convention.annotation.Result;

import org.apache.struts2.convention.annotation.Results;

import org.apache.struts2.interceptor.ServletRequestAware;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import com.opensymphony.xwork2.ActionSupport;

@SuppressWarnings("serial")

@InterceptorRefs({

    @InterceptorRef("defaultStack"),

    @InterceptorRef("login")

})

@Results({

    @Result(name="authfail", type="redirectAction", params = {"actionName" , "reports"})

})

public class EbayListingUploaderController extends ActionSupport implements ServletRequestAware {

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

	private static final int LISTING_ID_INDEX = 0;

	private static final int ITEM_ID_INDEX = 1;

	private static final int LISTING_NAME_INDEX = 2;

	private static final int PRICE_INDEX = 3;

	private static final int EXPIRY_DATE_INDEX = 4;

	private static final int SUBSIDY_INDEX = 5;

	private static final int DEFAULT_WAREHOUSE_INDEX = 6;

	private HttpServletRequest request;

    private HttpSession session;

    private String errorMsg = "";

    private SimpleDateFormat sdf = new SimpleDateFormat("dd/MM/yyyy");

    private File listingFile;

    public String create() throws IOException {

		FileUtils.copyFile(listingFile, new File("/tmp/listing_file " + sdf.format(new Date()) + ".xls"));

		Workbook wb = new HSSFWorkbook(new FileInputStream(listingFile));

		int totalNumRows = 0;

	    int successfullyProcessedNumRows = 0;

	    for (Row row : wb.getSheetAt(0)) {

	    	String key = "";

	    	String listingId = null;

	    	String listingName = null;

	    	Long price =0L;

	    	Long itemId = 0L;

	    	Double subsidy = 0.0;

	    	Date expiryDate = null;

	        try {

	            totalNumRows++;

	            if(totalNumRows==1) {

	            	continue;

	            }

	            long warehouseId = 0L;

	            try {

		            row.getCell(LISTING_ID_INDEX).setCellType(Cell.CELL_TYPE_STRING);

	            	listingId = row.getCell(LISTING_ID_INDEX).getStringCellValue();

	            	itemId = new Double(row.getCell(ITEM_ID_INDEX).getNumericCellValue()).longValue();

	            	listingName = row.getCell(LISTING_NAME_INDEX).getStringCellValue();

	            	price = new Double(row.getCell(PRICE_INDEX).getNumericCellValue()).longValue();

	            	subsidy = row.getCell(SUBSIDY_INDEX).getNumericCellValue();

	            	Cell warehouseCell = row.getCell(DEFAULT_WAREHOUSE_INDEX);

	            	if(warehouseCell != null && warehouseCell.getCellType() != Cell.CELL_TYPE_BLANK) {

	            		warehouseId = new Double(row.getCell(DEFAULT_WAREHOUSE_INDEX).getNumericCellValue()).longValue();

	            	} else {

	            		warehouseId = 0L;

	            	}

	            } catch (Exception e) {

	            	setErrorMsg(getErrorMsg() + "<br/>Error in reading input for row number " + totalNumRows);

	            	continue;

	            }

            	CatalogService.Client catalogClient = new CatalogClient().getClient();

            	EbayItem ebayItem = new EbayItem();

            	ebayItem.setEbayListingId(listingId);

            	ebayItem.setItemId(itemId);

            	ebayItem.setListingName(listingName);

            	ebayItem.setListingPrice(price);

            	try {

            		//TODO Check for Date and Time sanity

            		ebayItem.setListingExpiryDate(interchangeDateAndMonth(row.getCell(EXPIRY_DATE_INDEX).getDateCellValue()).getTime());

            	} catch (Exception e) {

            		logger.warn("Error while setting expiry time for Ebay Listing", e);

            	}

            	ebayItem.setSubsidy(subsidy);

            	ebayItem.setDefaultWarehouseId(warehouseId);

            	catalogClient.addEbayItem(ebayItem);

            	successfullyProcessedNumRows++;

	         } catch (Exception e) {

	             logger.error(e + "\n" + e.getMessage() + e.getCause());

	             setErrorMsg(getErrorMsg() + "<br/>Error in row number " + totalNumRows);

	             addActionError("Error in row number " + totalNumRows);

	         }

	    }

	    if(errorMsg.isEmpty()) {

	    	setErrorMsg("Sucessfully uploaded listings");

	    }

	    return "authsuccess";

	}

	public String index() {

        if(!ReportsUtils.canAccessReport((Long)session.getAttribute(ReportsUtils.ROLE), "/ebay-dashboard"))

            return "authfail";

        return "authsuccess";

    }

	private Date interchangeDateAndMonth(Date date) {

		Date updatedDate = new Date(date.getTime());

		updatedDate.setDate(date.getMonth() + 1);

		updatedDate.setMonth(date.getDate() - 1);

		return updatedDate;

	}

	@Override

	public void setServletRequest(HttpServletRequest request) {

		this.request = request;

        this.session = request.getSession();

	}

	public String getErrorMsg() {

		return errorMsg;

	}

	public void setErrorMsg(String errorMsg) {

		this.errorMsg = errorMsg;

	}

	public File getListingFile() {

		return listingFile;

	}

	public void setListingFile(File listingFile) {

		this.listingFile = listingFile;

	}

}