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package in.shop2020.support.controllers;
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import in.shop2020.model.v1.user.UserType;
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import in.shop2020.thrift.clients.HelperServiceClient;
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import in.shop2020.thrift.clients.PaymentServiceClient;
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import in.shop2020.thrift.clients.TransactionServiceClient;
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import in.shop2020.thrift.clients.UserContextServiceClient;
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import in.shop2020.utils.StatisticsUser;
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import java.util.List;
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import javax.servlet.ServletContext;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpSession;
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import org.apache.struts2.interceptor.ServletRequestAware;
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import org.apache.struts2.util.ServletContextAware;
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public class StatisticsController implements ServletRequestAware, ServletContextAware{
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	private ServletContext context;
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	private HttpServletRequest request;
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	private HttpSession session;
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	private String errorMsg = "";
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	private long noOfRegisterUsers;
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	private long noOfOrders;
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	private long noOfCustomers;
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	private double maxOrderAmount;
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	private double minOrderAmount;
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	private double maxPaymentAmount;
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	private double minPaymentAmount;
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	private List<Double> paymentAmountRange;
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	private List<Double> orderAmountRange;
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	public StatisticsController(){
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	}
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	@Override
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	public void setServletRequest(HttpServletRequest req) {
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		this.request = req;
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		this.session = req.getSession();
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	}
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	public String index()	{
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		if(getSessionUserName()==null) {
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			return "authfail";
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		}
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		else {
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			getStats();
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			return "authsuccess";
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		}
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	}
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	private void getStats() {
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		UserContextServiceClient usc;
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		TransactionServiceClient tsc;
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		PaymentServiceClient psc;
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		try {
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			usc = new UserContextServiceClient();
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			in.shop2020.model.v1.user.UserContextService.Client uclient = usc.getClient();
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			noOfRegisterUsers = uclient.getUserCount(UserType.USER);
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			tsc = new TransactionServiceClient();
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			in.shop2020.model.v1.order.TransactionService.Client tClient = tsc.getClient();
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			noOfOrders = tClient.getValidOrderCount();
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			noOfCustomers = tClient.getNoOfCustomersWithSuccessfulTransaction();
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			orderAmountRange = tClient.getValidOrdersAmountRange();
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			minOrderAmount = orderAmountRange.get(0);
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			maxOrderAmount = orderAmountRange.get(1);
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			psc = new PaymentServiceClient();
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			in.shop2020.payments.PaymentService.Client pClient = psc.getClient();
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			paymentAmountRange = pClient.getSuccessfulPaymentsAmountRange();
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			minPaymentAmount = paymentAmountRange.get(0);
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			maxPaymentAmount = paymentAmountRange.get(1);
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		} catch (Exception e) {
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			e.printStackTrace();
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		}
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	}
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	// Handler for POST /statistics
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	public String create(){
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		String username = request.getParameter("username");
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		String password = request.getParameter("password");
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		try{
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			HelperServiceClient helperServiceClient = new HelperServiceClient();
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			in.shop2020.utils.HelperService.Client client = helperServiceClient.getClient();
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			StatisticsUser user = client.authenticateStatisticsUser(username, password);
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			session.setAttribute("username", user.getUsername());
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		}catch(Exception e){
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			e.printStackTrace();
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			return "authfail";
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		}
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		getStats();
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		return "authsuccess";
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	}
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	public String show(){
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		return null;
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	}
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	// Handles the POST request (Form Submission)
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	public String getErrorMsg() {
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		return errorMsg;
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	}
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	public long getNoOfRegisterUsers() {
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		return noOfRegisterUsers;
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	}
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	public long getNoOfOrders() {
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		return noOfOrders;
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	}
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	public long getNoOfCustomers() {
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		return noOfCustomers;
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	}
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	public double getMaxOrderAmount() {
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		return maxOrderAmount;
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	}
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	public double getMinOrderAmount() {
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		return minOrderAmount;
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	}
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	public double getMaxPaymentAmount() {
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		return maxPaymentAmount;
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	}
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	public double getMinPaymentAmount() {
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		return minPaymentAmount;
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	}
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	public String getSessionUserName(){
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		return (String) session.getAttribute("username");
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	}
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	public String getServletContextPath(){
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		return context.getContextPath();
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	}
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	@Override
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	public void setServletContext(ServletContext context) {
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		this.context = context;
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	}
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}
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