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.utils.FileUtils;

import in.shop2020.serving.utils.FormattingUtils;

import in.shop2020.serving.utils.Utils;

import in.shop2020.thrift.clients.CatalogServiceClient;

import in.shop2020.thrift.clients.UserContextServiceClient;

import in.shop2020.utils.DataLogger;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.IOException;

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 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() {

    	try {

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

			errorMsg = userClient.validateCart(userinfo.getCartId());

		} 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);

		}

    	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 {

				UserContextServiceClient userServiceClient = new UserContextServiceClient();

				UserContextService.Client userClient = userServiceClient.getClient();

				if (cartId == 0){

					cartId = userClient.createCart(userId);

				}

				if(cartMsg.equals("")){

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

			    }else{

			        userClient.addItemToCart(cartId, itemId, 1);

			    }

				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, session.getId(), 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()))

				{

					userinfo.setTotalItems(getNumberOfItemsInCart(userinfo.getCartId()));

                DataLogger.logData(EventType.DELETE_FROM_CART, session.getId(),

                        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, session.getId(),

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

                        Long.toString(userinfo.getCartId()),

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

					return "redirect";	

				}

			}

			DataLogger.logData(EventType.UPDATE_CART_QUANTITY_FAILED, session.getId(), userinfo.getUserId(), userinfo.getEmail(),

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

			addActionError("Unable to update the quantity");

			return "redirect";

		}

    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 {

			UserContextServiceClient userContextServiceClient = new UserContextServiceClient();

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

			userClient.changeQuantity(cartId, itemId, quantity);

			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 {

			UserContextServiceClient userContextServiceClient = new UserContextServiceClient();

			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 int getNumberOfItemsInCart(long cartId) {

		int numberOfItems = 0;

		UserContextServiceClient userContextServiceClient = null;

		try {

			userContextServiceClient = new UserContextServiceClient();

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

			numberOfItems = userClient.getCart(cartId).getLinesSize();

		} 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);

		}

		return numberOfItems;

	}

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

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

        UserContextServiceClient userServiceClient = null;

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

        CatalogServiceClient catalogServiceClient  = null;

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

        FormattingUtils formattingUtils = new FormattingUtils();

        try    {

            catalogServiceClient = new CatalogServiceClient();

            catalogClient = catalogServiceClient.getClient();

            userServiceClient = new UserContextServiceClient();

            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.getItem(line.getItemId());

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

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

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

                                            + (( (item.getColor() != null && !item.getColor().trim().equals("NA"))) ? "("+item.getColor()+")" : "" );

                    itemdetail.put("ITEM_NAME", itemName);

                    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 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 = "";

		CatalogServiceClient csc;

		try {

			csc = new CatalogServiceClient();

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

			for(Long catalogId: similarItems){

				try {

					snippets += FileUtils.read( Utils.EXPORT_ENTITIES_PATH + catalogId + File.separator + "WidgetSnippet.html");

		    	}

	            catch (FileNotFoundException e) {

	                log.error("File not found : " + Utils.EXPORT_ENTITIES_PATH + catalogId + File.separator +"WidgetSnippet.html");

	            }

	            catch (IOException e) {

	                log.error("IO exception : " + Utils.EXPORT_ENTITIES_PATH + catalogId + File.separator +"WidgetSnippet.html");

	            }

			}

		} catch (Exception e) {

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

		}	    

	    return snippets;

    }

	@Override

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

		this.reqparams = parameters;	

	}

}