Subversion Repositories SmartDukaan

package in.shop2020.serving.controllers;

import in.shop2020.datalogger.EventType;

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

import in.shop2020.model.v1.user.Cart;

import in.shop2020.model.v1.user.Line;

import in.shop2020.model.v1.user.ShoppingCartException;

import in.shop2020.model.v1.user.UserContextService;

import in.shop2020.serving.services.ContentServingService;

import in.shop2020.serving.utils.FormattingUtils;

import in.shop2020.serving.utils.SnippetType;

import in.shop2020.thrift.clients.CatalogClient;

import in.shop2020.thrift.clients.UserClient;

import in.shop2020.utils.DataLogger;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import java.util.StringTokenizer;

import org.apache.log4j.Logger;

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

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

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

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

import org.apache.struts2.interceptor.ParameterAware;

import org.apache.thrift.TException;

@Results({

	@Result(name="redirect", type="redirectAction", 

	   		params = {"actionName" , "cart"}),

	@Result(name="failure", location="cart-failure.vm"),

	@Result(name="success", location="cart-success.vm")

})

public class CartController extends BaseController implements ParameterAware{

	private static final long serialVersionUID = 1L;

	private static Logger log = Logger.getLogger(Class.class);

	Map<String, String[]> reqparams = null;

	private String id = "0";

    private String totalamount;

	private String errorMsg = "";

	private String cartMsg = "";

	private String pincode = "110001";

	private String couponCode = null;

	private String discountedAmount;

	private long itemId;

	public CartController(){

		super();

	}

	 // GET /cart

	@Action(value="cart",interceptorRefs={@InterceptorRef("myDefault")})

	 public String index() {

	    populateCartData();

    	return "index";

	 }

	//GET /cart/param

	@Action(value="cart",interceptorRefs={@InterceptorRef("myDefault")})

	public String show()	{

	    populateCartData();

		return "index";

	}

	// POST /entity

	@Action(value="addtocart",interceptorRefs={@InterceptorRef("createuser"),@InterceptorRef("myDefault")})

	public String create() {

		log.info("CartController.create");

		printParams();

		long userId = userinfo.getUserId();

		long cartId = userinfo.getCartId();

		log.info("user id is " + userId);

		log.info("cart id is " + cartId);

		log.info("item id is " + this.reqparams.get("productid"));

		String itemIds = "";

		if (this.reqparams.get("productid") != null) {

			itemIds = this.reqparams.get("productid")[0];

		}else{

			return "failure";

		}

		StringTokenizer tokenizer = new StringTokenizer(itemIds, "_");

		while (tokenizer.hasMoreTokens()) {

			itemId = Long.parseLong(tokenizer.nextToken());

			try {

				UserClient userServiceClient = new UserClient();

				UserContextService.Client userClient = userServiceClient.getClient();

				if (cartId == 0){

					cartId = userClient.createCart(userId);

				}

				// If we add multiple items to cart and get some message from service, 

				// first message to be preserved and presented to the user.

				if(cartMsg.equals("")){

				    cartMsg = userClient.addItemToCart(cartId, itemId, 1, sourceId);

			    }else{

			        userClient.addItemToCart(cartId, itemId, 1, sourceId);

			    }

				userinfo.setCartId(cartId);

				int totalItems = userClient.getCart(cartId).getLinesSize();

				userinfo.setTotalItems(totalItems);

			} catch (TException e) {

			    log.error("Unable to create or add to cart because of: ", e);

			} catch (Exception e) {

			    log.error("Unable to create or add to cart because of: ", e);

			}

		}

        DataLogger.logData(EventType.ADD_TO_CART, getSessionId(), userinfo.getUserId(), userinfo.getEmail(),

                Long.toString(cartId), itemIds);

		return "success";

	}		

		// DELETE /entity

		public String destroy() {

	    	log.info("CartController.destroy");

	    	printParams();

	    	log.info("item id is " + this.request.getParameter("productid"));

			String itemIdString = this.request.getParameter("productid");

			itemId = Long.parseLong(itemIdString);

			if(userinfo.getCartId() == -1){

				log.info("Cart does not exist. Nothing to delete.");

			}else{

				if(deleteItemFromCart(userinfo.getCartId(), itemId, userinfo.getUserId(), userinfo.isSessionId()))

				{

					updateUserSessionInfo(userinfo.getCartId());

                DataLogger.logData(EventType.DELETE_FROM_CART, getSessionId(),

                        userinfo.getUserId(), userinfo.getEmail(),

                        Long.toString(userinfo.getCartId()), itemIdString);

					return "redirect";	

				}

			}

			return "redirect";

		}

		// DELETE /entity

		public String update() {

	    	log.info("CartController.update");

	    	printParams();

	    	log.info("item id is " + this.request.getParameter("productid"));

	    	log.info("item id is " + this.request.getParameter("quantity"));

			String itemIdString = this.request.getParameter("productid");

			String quantityString = this.request.getParameter("quantity");

			long itemId = Long.parseLong(itemIdString);

			long quantity = Long.parseLong(quantityString);

			if(quantity <= 0){

				log.info("Not valid item quantity. Unable to change item quantity.");

			}else{

				if(updateItemQuantityInCart(userinfo.getCartId(), itemId, quantity)){

                DataLogger.logData(EventType.UPDATE_CART_QUANTITY, getSessionId(),

                        userinfo.getUserId(), userinfo.getEmail(),

                        Long.toString(userinfo.getCartId()),

                        Long.toString(itemId), Long.toString(quantity));

					return "redirect";	

				}

			}

			DataLogger.logData(EventType.UPDATE_CART_QUANTITY_FAILED, getSessionId(), userinfo.getUserId(), userinfo.getEmail(),

                    Long.toString(userinfo.getCartId()), Long.toString(itemId), Long.toString(quantity));

			addActionError("Unable to update the quantity");

			return "redirect";

		}

	private void populateCartData()	{

		long cartId = userinfo.getCartId();

	    if(cartId != -1){

        	try {

    			UserContextService.Client userClient = (new UserClient()).getClient();

    			errorMsg = userClient.validateCart(cartId, sourceId);

    			log.info("Error Message rcvd from the service is:" + errorMsg);

    			// As per ticket #119 in trac

    			Cart cart = userClient.getCart(cartId);

    			int totalItems = cart.getLinesSize();

    			double totalAmount = cart.getTotalPrice();

				userinfo.setTotalItems(totalItems);

				userinfo.setTotalAmount(totalAmount);

    		} catch (Exception e) {

    			// This exception can be ignored for showing the cart. Not so

    			// innocent when this occurs at the time of checkout or when the

    			// user is proceeding to pay.

    		    log.warn("Unable to validate the cart: ", e);

    		}

	    }

	}

    public void printParams(){

    	for(String param : reqparams.keySet()) {

    		log.info("param name is " + param);

    		log.info("param first is " + reqparams.get(param)[0]);

    	}

    	log.info(this.reqparams);

    }

	private boolean updateItemQuantityInCart(long cartId, long itemId, long quantity){

		try {

			UserClient userContextServiceClient = new UserClient();

			in.shop2020.model.v1.user.UserContextService.Client userClient = userContextServiceClient.getClient();

			userClient.addItemToCart(cartId, itemId, quantity, sourceId);

			return true;

		} catch (ShoppingCartException e) {

		    log.error("Unable to update the item quantity in the cart: ", e);

		} catch (TException e) {

		    log.error("Unable to update the item quantity in the cart: ", e);

		} catch (Exception e) {

		    log.error("Unable to update the item quantity in the cart: ", e);

		}

		return false;

	}

	private boolean deleteItemFromCart(long cartId, long catalogItemId, long userId, boolean isSessionId){

		try {

			UserClient userContextServiceClient = new UserClient();

			in.shop2020.model.v1.user.UserContextService.Client userClient = userContextServiceClient.getClient();

			userClient.deleteItemFromCart(cartId, catalogItemId);

			return true;	

		} catch (ShoppingCartException e) {

		    log.error("Unable to delete item from cart: ", e);

		} catch (TException e) {

		    log.error("Unable to delete item from cart: ", e);

		} catch (Exception e) {

		    log.error("Unable to delete item from cart: ", e);

		}

		return false;

	}

	private void updateUserSessionInfo(long cartId) {

		UserClient userContextServiceClient = null;

		try {

			userContextServiceClient = new UserClient();

			in.shop2020.model.v1.user.UserContextService.Client userClient = userContextServiceClient.getClient();

			Cart cart = userClient.getCart(cartId);

			userinfo.setTotalItems(cart.getLinesSize());

			userinfo.setTotalAmount(cart.getTotalPrice());

		} catch (ShoppingCartException e) {

		    log.error("Unable to get the cart from service: ", e);

		} catch (TException e) {

		    log.error("Unable to get the cart from service: ", e);

		} catch (Exception e) {

		    log.error("Unable to get the cart from service: ", e);

		}

	}

	public List<Map<String,String>> getCartItems() {

	    List<Map<String,String>> items = null;

        UserClient userServiceClient = null;

        in.shop2020.model.v1.user.UserContextService.Client userClient = null;

        CatalogClient catalogServiceClient  = null;

        in.shop2020.model.v1.catalog.InventoryService.Client catalogClient = null;

        FormattingUtils formattingUtils = new FormattingUtils();

        try    {

            catalogServiceClient = new CatalogClient();

            catalogClient = catalogServiceClient.getClient();

            userServiceClient = new UserClient();

            userClient = userServiceClient.getClient();

            pincode = userClient.getDefaultPincode(userinfo.getUserId());

            Cart cart = userClient.getCart(userinfo.getCartId());

            List<Line> lineItems = cart.getLines();

            if(lineItems.size() != 0)  {

                items = new ArrayList<Map<String,String>>();

                for (Line line : lineItems)    {

                    Map<String, String> itemdetail = new HashMap<String, String>();

                    Item item = catalogClient.getItemForSource(line.getItemId(), sourceId);

                    String itemName = ((item.getBrand() != null) ? item.getBrand() + " " : "")

                                            + ((item.getModelName() != null) ? item.getModelName() + " " : "") 

                                            + (( item.getModelNumber() != null ) ? item.getModelNumber() + " " : "" );

                    String itemColor = "";

                    if(item.getColor() != null && !item.getColor().trim().equals("NA"))

                        itemColor = "Color - " + item.getColor();

                    itemdetail.put("ITEM_NAME", itemName);

                    itemdetail.put("ITEM_COLOR", itemColor);

                    itemdetail.put("ITEM_ID", line.getItemId() + "");

                    itemdetail.put("CATALOG_ID", item.getCatalogItemId() + "");

                    itemdetail.put("ITEM_QUANTITY", ((int)line.getQuantity()) + "");

                    itemdetail.put("MRP", formattingUtils.formatPrice(item.getMrp()));

                    itemdetail.put("SELLING_PRICE", formattingUtils.formatPrice(item.getSellingPrice()));

                    itemdetail.put("TOTAL_PRICE", formattingUtils.formatPrice(((item.getSellingPrice() * line.getQuantity()))));

                    itemdetail.put("SHIPPING_TIME", line.getEstimate() + "");

                    items.add(itemdetail);

                }

            }

            totalamount = formattingUtils.formatPrice(cart.getTotalPrice());

            couponCode = cart.getCouponCode() == null ? "" : cart.getCouponCode();

            discountedAmount = formattingUtils.formatPrice(cart.getDiscountedPrice());

        } catch (Exception e)  {

            log.error("Unable to get the cart details becasue of: ", e);

        }

        return items;

	}

	public long getItemId(){

		return this.itemId;

	}

	public String getTotalAmount() {

	    return totalamount;

	}

	public String getPinCode() {

	    return pincode;

	}

	public String getCouponCode()  {

	    return couponCode;

	}

	public String getDiscountedAmount()   {

	    return discountedAmount;

	}

	public String getErrorMsg()    {

	    return errorMsg;

	}

	public long getNumberOfItems(){

		return userinfo.getTotalItems();

	}

	public String getCartMsg(){

	    if(cartMsg.equals("")){

	        return null;

	    }

	    return cartMsg;

	}

	public String getSnippets(){

    	String snippets = "";

		CatalogClient csc;

		try {

			csc = new CatalogClient();

			List<Long> similarItems = csc.getClient().getSimilarItemsCatalogIds(0, 4, itemId);

			for(Long catalogId: similarItems){

				snippets = snippets + ContentServingService.getSnippet(SnippetType.WIDGET_SNIPPET, catalogId+"", sourceId);

			}

		} catch (Exception e) {

			log.error("Unable to initialise Catalogservice Client");

		}	    

	    return snippets;

    }

	@Override

	public void setParameters(Map<String, String[]> parameters) {

		this.reqparams = parameters;	

	}

	@Override

	public String getHeaderSnippet() {

		String url = request.getQueryString();

		if (url == null) {

			url = "";

		} else {

			url = "?" + url;

		}

		url = request.getRequestURI() + url;

		return pageLoader.getHeaderHtml(userinfo.isLoggedIn(), userinfo.getNameOfUser(), url , 0, false);

	}

	public void setId(String id)	{

		this.id = id;

	}

	public String getId()	{

		return this.id;

	}

}