Subversion Repositories SmartDukaan

package in.shop2020.support.controllers;

import java.io.IOException;

import java.text.DateFormat;

import java.text.SimpleDateFormat;

import java.util.Calendar;

import java.util.Date;

import java.util.List;

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

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

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

import in.shop2020.thrift.clients.CatalogClient;

import in.shop2020.utils.ModelUtils;

import javax.servlet.ServletOutputStream;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.apache.struts2.interceptor.ServletRequestAware;

import org.apache.struts2.interceptor.ServletResponseAware;

import org.apache.struts2.rest.DefaultHttpHeaders;

import org.apache.struts2.rest.HttpHeaders;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

/**

 * @author Varun Gupta

 */

public class ProductNotificationsController implements ServletRequestAware, ServletResponseAware {

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

	private final DateFormat dateFormat = new SimpleDateFormat("dd/MM/yyyy");

	private HttpServletRequest request;

	private HttpServletResponse response;

	private List<ProductNotificationRequest> notificationRequests;

	private List<ProductNotificationRequestCount> notificationRequestCounts;

	public String index()	{

		try	{

			CatalogClient csc = new CatalogClient();

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

			Date startDate;

			if (request.getParameter("sp") != null)	{

				startDate = getStartDate(request.getParameter("sp"));

			} else	{

				startDate = getStartDate("d");

			}

			System.out.println(startDate);

			notificationRequestCounts = catalogClient.getProductNotificationRequestCount(startDate.getTime());

			System.out.println(notificationRequestCounts);

		} catch (Exception e) {

			logger.error(e.toString());

		}

		return "index";

	}

	public HttpHeaders create() {

		try	{

			CatalogClient csc = new CatalogClient();

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

			Date startDate = getStartDate(request.getParameter("np"));

			notificationRequests = catalogClient.getProductNotifications(startDate.getTime());

			logger.info(notificationRequests.toString());

			response.setContentType("text/tab-separated-values");

			response.setHeader("Content-disposition", "inline; filename=product-notifications-since-" + Long.toString(startDate.getTime()) + ".tsv");

			ServletOutputStream sos;

			try {

				sos = response.getOutputStream();

				sos.write(getNotificationsTSV().getBytes());

				sos.flush();

			} catch (IOException e) {

				logger.error("Error while streaming the hotspot reconciliation report", e);

			}

		} catch (Exception e) {

			e.printStackTrace();

		}

		return new DefaultHttpHeaders("report");

	}

	@Override

	public void setServletRequest(HttpServletRequest request) {

		this.request = request;

	}

	@Override

	public void setServletResponse(HttpServletResponse response) {

		this.response = response;

	}

	private String getNotificationsTSV()	{

		StringBuilder builder = new StringBuilder();

		for (ProductNotificationRequest notificationRequest: notificationRequests)	{

			Item item = notificationRequest.getItem();

			builder.append(ModelUtils.extractProductNameFromItem(item));

			builder.append("\t");

			builder.append(notificationRequest.getEmail());

			builder.append("\t");

			builder.append(dateFormat.format(new Date(notificationRequest.getAddedOn())));

			builder.append("\n");

		}

		return builder.toString();

	}

	private Date getStartDate(String selectedPeriodOption)	{

		System.out.println("Selected Period Option: " + selectedPeriodOption);

		Calendar now = Calendar.getInstance();

		System.out.println(now);

		if(selectedPeriodOption.equals("d"))	{

			now.add(Calendar.DAY_OF_MONTH, -1);

		}

		else if (selectedPeriodOption.equals("2d"))	{

			now.add(Calendar.DAY_OF_MONTH, -2);

		}

		else if (selectedPeriodOption.equals("3d"))	{

			now.add(Calendar.DAY_OF_MONTH, -3);

		}

		else if (selectedPeriodOption.equals("w"))	{

			now.add(Calendar.WEEK_OF_MONTH, -1);

		}

		else if (selectedPeriodOption.equals("f"))	{

			now.add(Calendar.WEEK_OF_MONTH, -2);

		}

		else if (selectedPeriodOption.equals("m"))	{

			now.add(Calendar.MONTH, -1);

		}

		else if (selectedPeriodOption.equals("3m"))	{

			now.add(Calendar.MONTH, -3);

		}

		else if (selectedPeriodOption.equals("6m"))	{

			now.add(Calendar.MONTH, -6);

		}

		else	{

			return new Date(0);

		}

		return now.getTime();

	}

	public List<ProductNotificationRequestCount> getNotificationRequestCounts()	{

		return notificationRequestCounts;

	}

	public String getSelectedPeriod()	{

		if (request.getParameter("sp") != null)	{

			return request.getParameter("sp");

		} else	{

			return "d";

		}

	}

	public String getProductNameFromItem(Item item)	{

		return ModelUtils.extractProductNameFromItem(item);

	}

}