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package in.shop2020.serving.controllers;
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import in.shop2020.model.v1.user.ShoppingCartException;
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import in.shop2020.serving.controllers.BaseController;
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import in.shop2020.serving.services.EbsPaymentService;
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import in.shop2020.serving.services.HdfcPaymentService;
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import in.shop2020.serving.services.IPaymentService;
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import in.shop2020.thrift.clients.UserContextServiceClient;
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import org.apache.log4j.Logger;
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import org.apache.struts2.convention.annotation.InterceptorRef;
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import org.apache.struts2.convention.annotation.InterceptorRefs;
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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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import org.apache.thrift.TException;
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@SuppressWarnings("serial")
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@InterceptorRefs({
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    @InterceptorRef("myDefault"),
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    @InterceptorRef("login")
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})
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@Results({
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    @Result(name="shipping-redirect", type="redirectAction",
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    		params = {"actionName" , "shipping"}),
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	@Result(name="ebs-pay-redirect", type="redirect", location="/ebs-pay/${paymentId}")
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})
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public class OrderController extends BaseController {
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	public long getPaymentId() {
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		return paymentId;
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	}
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	private static Logger log = Logger.getLogger(Class.class);
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	private String id;
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	private long txnId = 0;
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	private long paymentId;
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	private String redirectURL;
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	public OrderController(){
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		super();
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	}
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    // GET /order/ orderid
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    public String show() {
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    	log.info("id=" + id);
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    	htmlSnippets.put("MYACCOUNT_HEADER", pageLoader.getMyaccountHeaderHtml());
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    	htmlSnippets.put("ORDER_DETAILS", pageLoader.getOrderDetailsHtml(Long.parseLong(id), userinfo.getUserId()));
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    	return "show";
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    }
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    // POST /order/
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    public String create(){
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    	String addressIdString = this.request.getParameter("addressid");
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    	if(addressIdString == null){
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    		addActionError("Please specify shipping address to continue.");
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    		return "shipping-redirect";
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    	}
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    	String paymentOption = request.getParameter("payment_option");
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    	log.info("Payment Option Selected: " + paymentOption);
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    	if(paymentOption == null || paymentOption.equals("")){
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    		addActionError("Please select a payment method to continue.");
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    		return "shipping-redirect";
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    	}
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    	long addressId = Long.parseLong(addressIdString);
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    	long currentCartId = userinfo.getCartId();
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    	try{
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    		if(!createOrders(addressId, currentCartId)){
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    			addActionError("We are experiencing some problems. Please try later.");
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    			return "shipping-redirect";
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    		}
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    	}catch (Exception e) {
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    		addActionError("We are experiencing some problems. Please try later.");
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    		log.error("Exception in createOrders function. Something want wrong.");
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    		e.printStackTrace();
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    		return "shipping-redirect";
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		}
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		if (paymentOption.equals(IPaymentService.EBS_MASTERCARD) || paymentOption.equals(IPaymentService.EBS_VISA)) {
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			// User has selected Visa or MasterCard CC
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			IPaymentService hdfcPaymentService = new HdfcPaymentService();
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			paymentId = hdfcPaymentService.createPayment(userinfo.getCartId(), userinfo.getUserId(), txnId, paymentOption);
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			if (paymentId == IPaymentService.PAYMENT_NOT_CREATED) {
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				addActionError("We are experiencing some problems. Please try later.");
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				return "shipping-redirect";
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			} else {
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				this.redirectURL = ((HdfcPaymentService)hdfcPaymentService).getRedirectUrl();
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				log.info(this.redirectURL);
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				return "success";
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			}
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		} else {
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			IPaymentService ebsPaymentService = new EbsPaymentService();
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			paymentId = ebsPaymentService.createPayment(userinfo.getCartId(), userinfo.getUserId(), txnId, paymentOption);
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			if(paymentId == IPaymentService.PAYMENT_NOT_CREATED){
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				addActionError("We are experiencing some problems. Please try later.");
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				return "shipping-redirect";
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			}else{
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				log.info("Successfully created payment for EBS to process. Redirecting to /ebs-pay/" + paymentId);
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				return "ebs-pay-redirect";
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			}
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		}
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    }
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	public String getId(){
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		return id;
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	}
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	public void setId(String id){
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		this.id = id;
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	}
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	public String getMyaccountHeaderSnippet(){
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		return htmlSnippets.get("MYACCOUNT_HEADER");
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	}
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	public String getOrderDetailsSnippet(){
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		return htmlSnippets.get("ORDER_DETAILS");
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	}
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	public long getTxn(){
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		return this.txnId;
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	}
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	/**
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	 *
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	 * @param addressId
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	 * @param currentCartId
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	 * @return
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	 */
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	private boolean createOrders(long addressId, long currentCartId){
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		UserContextServiceClient userServiceClient = null;
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		try {
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			userServiceClient = new UserContextServiceClient();
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		} catch (Exception e) {
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			e.printStackTrace();
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			return false;
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		}
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		in.shop2020.model.v1.user.UserContextService.Client userClient = userServiceClient.getClient();
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		try {
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			userClient.addAddressToCart(currentCartId, addressId);
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		} catch (ShoppingCartException e1) {
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			log.error("Not able to set address in the cart." + e1.getId() + e1.getMessage());
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			e1.printStackTrace();
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			return false;
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		} catch (TException e1) {
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			log.error("Thrift exception while setting address in cart." + e1.getMessage());
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			e1.printStackTrace();
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			return false;
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		}
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		try {
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			String errorMsg = userClient.validateCart(currentCartId);
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			if(!errorMsg.isEmpty()){
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				addActionError(errorMsg);
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				return false;
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			}
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		} catch (ShoppingCartException e1) {
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			log.error("Error while validating shopping cart." + e1.getId() + e1.getMessage());
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			e1.printStackTrace();
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			return false;
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		} catch (TException e) {
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			log.error("Thrift exception while validating cart." + e.getMessage());
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			e.printStackTrace();
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			return false;
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		}
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		try {
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			txnId = userClient.createOrders(currentCartId);
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		} catch (ShoppingCartException e1) {
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			log.error("Error while creating orders from cart." + e1.getId() + e1.getMessage());
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			e1.printStackTrace();
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			return false;
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		} catch (TException e) {
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			log.error("Thrift exception while creating orders from cart." + e.getMessage());
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			e.printStackTrace();
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			return false;
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		}
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		return true;
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	}
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	public String getRedirectURL(){
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		return this.redirectURL;
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	}
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}