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/**
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 *
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 */
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package in.shop2020.serving.controllers;
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import in.shop2020.datalogger.EventType;
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import in.shop2020.model.v1.user.User;
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import in.shop2020.model.v1.user.Widget;
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import in.shop2020.model.v1.user.WidgetItem;
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import in.shop2020.serving.utils.DesEncrypter;
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import in.shop2020.serving.utils.UserMessage;
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import in.shop2020.thrift.clients.UserContextServiceClient;
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import in.shop2020.utils.DataLogger;
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import java.io.IOException;
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import java.util.Date;
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import java.util.List;
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import org.apache.log4j.Logger;
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import org.apache.struts2.convention.annotation.Result;
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import org.apache.struts2.convention.annotation.Results;
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/**
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 *
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 * @author rajveer
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 *
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 */
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@Results({
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	@Result(name="success", type="redirectAction", params = {"actionName" , "home"}),
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	@Result(name = "redirect", location = "${redirectUrl}", type = "redirect")
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})
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public class LoginController extends BaseController {
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	/**
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	 *
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	 */
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	private static final long serialVersionUID = 5390035354379263121L;
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	private static Logger log = Logger.getLogger(Class.class);
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	private DesEncrypter desEncrypter = new DesEncrypter("saholic");
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	private String redirectUrl = null;
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	public LoginController() {
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		super();
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	}
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	public String index() throws SecurityException, IOException {
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		if(userinfo.isLoggedIn()){
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    		return "success";
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    	}
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		return "index";
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	}
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	public String create() throws SecurityException, Exception {
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		if (loginUser()) {
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			log.info(redirectUrl);
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            DataLogger.logData(EventType.LOGIN_SUCCESS, session.getId(), userinfo.getUserId(),
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                            this.request.getParameter("email"));
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			return "redirect";
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		} else {
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			addActionError(UserMessage.USER_AUTHENTICATION_FAILURE);
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            DataLogger.logData(EventType.LOGIN_FAILED, session.getId(), userinfo.getUserId(), this.request.getParameter("email"));
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			return "login";
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		}
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	}
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	private boolean loginUser() {
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		try {
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			String email, password;
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			email = this.request.getParameter("email");
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			password = this.request.getParameter("password");
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			if (email == null || password == null) {
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				return false;
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			}
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			String encryptedPassword = desEncrypter.encrypt(password);
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			UserContextServiceClient userContextServiceClient = new UserContextServiceClient();
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			in.shop2020.model.v1.user.UserContextService.Client userClient = userContextServiceClient.getClient();
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			User user = userClient.authenticateUser(email, encryptedPassword);
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			userClient.setUserAsLoggedIn(user.getUserId(),(new Date()).getTime());
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			String pincode = userClient.getDefaultPincode(user.getUserId());
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			// TODO: setTotalItems shouldn't be a method on userinfo. This allows
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			// for potentially updating the item count wrongly. The method setCartId
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			// should update the item count as well. Also, there can be a method
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			// called refreshItemCount() that automatically updates the number of
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			// items currently in the cart.
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			if(userinfo.getUserId() != -1){
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				userClient.mergeCart(userinfo.getCartId(), user.getActiveCartId());
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				Widget browseHistory = userClient.getBrowseHistory(userinfo.getUserId());
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				if(browseHistory != null){
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					List<WidgetItem> items =  browseHistory.getItems();
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					if(items != null){
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						for(WidgetItem item: items){
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							userClient.updateBrowseHistory(user.getUserId(), item.getItem_id());
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						}
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					}
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				}
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				Widget myResearch = userClient.getMyResearch(userinfo.getUserId());
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				if(myResearch != null){
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					List<WidgetItem> items =  myResearch.getItems();
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					if(items != null){
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						for(WidgetItem item: items){
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							userClient.updateMyResearch(user.getUserId(), item.getItem_id());
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						}
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					}
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				}
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			}
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			userinfo.setUserId(user.getUserId());
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			userinfo.setNameOfUser(user.getName());
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			userinfo.setEmail(email);
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			userinfo.setLoggedIn(true);
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			userinfo.setPincode(pincode);
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			userinfo.setCartId(user.getActiveCartId());
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			int totalItems = userClient.getCart(user.getActiveCartId()).getLinesSize();
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			userinfo.setTotalItems(totalItems);
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			System.out.println(userinfo);
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			return true;
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		} catch (Exception e) {
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			log.error(UserMessage.USER_AUTHENTICATION_FAILURE);
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			return false;
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		}
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	}
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	public String getRedirectUrl() {
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		return redirectUrl;
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	}
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	public void setRedirectUrl(String redirectUrl) {
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		this.redirectUrl = redirectUrl;
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	}
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}