Java tutorial
/* * Licensed to csti consulting * You may obtain a copy of the License at * * http://www.csticonsulting.com * Copyright (c) 2006-Aug 25, 2010 Consultation CS-TI inc. * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ package com.salesmanager.catalog.common; import java.math.BigDecimal; import java.util.ArrayList; import java.util.Collection; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Locale; import java.util.Map; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.apache.commons.lang.StringUtils; import org.apache.log4j.Logger; import uk.ltd.getahead.dwr.WebContextFactory; import com.salesmanager.catalog.product.ProductAttribute; import com.salesmanager.checkout.util.MiniShoppingCartUtil; import com.salesmanager.core.constants.CatalogConstants; import com.salesmanager.core.entity.catalog.Product; import com.salesmanager.core.entity.common.I18NEntity; import com.salesmanager.core.entity.merchant.MerchantStore; import com.salesmanager.core.entity.orders.ShoppingCart; import com.salesmanager.core.entity.orders.ShoppingCartProduct; import com.salesmanager.core.entity.orders.ShoppingCartProductAttribute; import com.salesmanager.core.service.ServiceFactory; import com.salesmanager.core.service.catalog.CatalogService; import com.salesmanager.core.util.CurrencyUtil; import com.salesmanager.core.util.LabelUtil; import com.salesmanager.core.util.MiniShoppingCartSerializationUtil; import com.salesmanager.core.util.ProductUtil; import com.salesmanager.core.util.www.SessionUtil; /** * Mini cart actions * * @author Carl Samson * */ public class AjaxCatalogUtil { private static Logger logger = Logger.getLogger(AjaxCatalogUtil.class); public static final int SECONDS_PER_YEAR = 60 * 60 * 24 * 365; public ShoppingCart removeProduct(long productId) { HttpServletRequest req = WebContextFactory.get().getHttpServletRequest(); HttpServletResponse resp = WebContextFactory.get().getHttpServletResponse(); HttpSession session = req.getSession(); ShoppingCart cart = SessionUtil.getMiniShoppingCart(req); MerchantStore store = (MerchantStore) session.getAttribute("STORE"); Locale locale = (Locale) session.getAttribute("WW_TRANS_I18N_LOCALE"); if (cart != null) { cart.setErrorMessage(null); Collection productsCollection = cart.getProducts(); Collection newProductsCollection = new ArrayList(); if (productsCollection != null) { Iterator i = productsCollection.iterator(); while (i.hasNext()) { ShoppingCartProduct scp = (ShoppingCartProduct) i.next(); if (scp.getProductId() == productId) { continue; } newProductsCollection.add(scp); } } cart.setProducts(newProductsCollection); } MiniShoppingCartUtil.calculateTotal(cart, store); //save the cart in the cookie setMiniCartCookie(req, resp, cart); return cart; } public String setPrice(ProductAttribute[] attributes, String productId) { if (StringUtils.isBlank(productId)) { return ""; } HttpServletRequest req = WebContextFactory.get().getHttpServletRequest(); HttpSession session = req.getSession(); MerchantStore store = (MerchantStore) session.getAttribute("STORE"); Locale locale = (Locale) session.getAttribute("WW_TRANS_I18N_LOCALE"); String price = ""; // get original product price try { CatalogService cservice = (CatalogService) ServiceFactory.getService(ServiceFactory.CatalogService); Product p = cservice.getProduct(Long.valueOf(productId)); if (p == null) { return ""; } if (attributes != null && attributes.length > 0) { List ids = new ArrayList(); for (int i = 0; i < attributes.length; i++) { if (!attributes[i].isStringValue()) { ids.add(new Long(attributes[i].getValue())); } } Collection attrs = cservice.getProductAttributes(ids, locale.getLanguage()); if (attrs != null && attrs.size() > 0) { price = ProductUtil.formatHTMLProductPriceWithAttributes(locale, store.getCurrency(), p, attrs, false); } } } catch (Exception e) { logger.error(e); } return price; } public ShoppingCart addProductWithAttributes(long productId, int quantity, ProductAttribute[] attributes) { HttpServletRequest req = WebContextFactory.get().getHttpServletRequest(); HttpServletResponse res = WebContextFactory.get().getHttpServletResponse(); return addProductToCart(req, res, productId, quantity, attributes); } public ShoppingCart addProductNoAttributes(long productId, int quantity) { HttpServletRequest req = WebContextFactory.get().getHttpServletRequest(); HttpServletResponse res = WebContextFactory.get().getHttpServletResponse(); return addProductToCart(req, res, productId, quantity, null); } /** * Add product to shopping cart * * @param productId * @param quantity * @param attributes * @return */ public ShoppingCart addProductToCart(HttpServletRequest req, HttpServletResponse resp, long productId, int quantity, ProductAttribute[] attributes) { HttpSession session = req.getSession(); ShoppingCart cart = SessionUtil.getMiniShoppingCart(req); MerchantStore store = (MerchantStore) session.getAttribute("STORE"); if (store == null) { cart = new ShoppingCart(); LabelUtil label = LabelUtil.getInstance(); label.setLocale(req.getLocale()); String msg = label.getText("error.sessionexpired"); cart.setErrorMessage(msg); return cart; } Locale locale = (Locale) session.getAttribute("WW_TRANS_I18N_LOCALE"); if (cart == null) { cart = new ShoppingCart(); } cart.setErrorMessage(null); try { // get products Collection productsCollection = cart.getProducts(); CatalogService cservice = (CatalogService) ServiceFactory.getService(ServiceFactory.CatalogService); Product p = cservice.getProduct(productId); if (p == null || store == null) { String message = LabelUtil.getInstance().getText(locale, "errors.addtocart"); cart.setErrorMessage(message); return cart; } if (quantity > p.getProductQuantityOrderMax()) { String message = LabelUtil.getInstance().getText(locale, "messages.invalid.quantity"); cart.setErrorMessage(message); return cart; } ((I18NEntity) p).setLocale(locale, store.getCurrency()); if (p.getMerchantId() != store.getMerchantId()) return cart; boolean productFound = false; if (productsCollection != null && (attributes == null || attributes.length == 0)) { Iterator i = productsCollection.iterator(); while (i.hasNext()) { ShoppingCartProduct scp = (ShoppingCartProduct) i.next(); if (scp.getAttributes() != null && scp.getAttributes().size() > 0) { continue; } if (scp.getProductId() == productId) { int qty = scp.getQuantity(); if (qty + quantity > p.getProductQuantityOrderMax()) { String message = LabelUtil.getInstance().getText(locale, "messages.invalid.quantity"); cart.setErrorMessage(message); return cart; } scp.setQuantity(qty + quantity); productFound = true; break; } } } if (!productFound) { ShoppingCartProduct scp = new ShoppingCartProduct(); scp.setProductId(p.getProductId()); scp.setQuantity(quantity); if (!StringUtils.isBlank(p.getSmallImagePath())) { scp.setImage(p.getSmallImagePath()); } else if (!StringUtils.isBlank(p.getLargeImagePath())) { scp.setImage(p.getLargeImagePath()); } else { // nothing for now } if (attributes != null && attributes.length > 0) { Map ids = new HashMap(); for (int i = 0; i < attributes.length; i++) { ids.put(new Long(attributes[i].getName()), attributes[i]); } Collection attrs = cservice.getProductAttributes(new ArrayList(ids.keySet()), locale.getLanguage()); if (attrs != null && attrs.size() > 0) { BigDecimal priceWithAttributes = ProductUtil.determinePriceWithAttributes(p, attrs, locale, store.getCurrency()); scp.setPrice(priceWithAttributes); scp.setPriceText(CurrencyUtil.displayFormatedAmountWithCurrency(priceWithAttributes, store.getCurrency())); Iterator attrIt = attrs.iterator(); List attrList = new ArrayList(); while (attrIt.hasNext()) { //com.salesmanager.core.entity.catalog.ProductAttribute prodAttr = (com.salesmanager.core.entity.catalog.ProductAttribute) attrIt // .next(); com.salesmanager.core.entity.catalog.ProductAttribute productAttribute = (com.salesmanager.core.entity.catalog.ProductAttribute) attrIt .next(); ShoppingCartProductAttribute scpa = new ShoppingCartProductAttribute(); scpa.setAttributeId(productAttribute.getProductAttributeId()); ProductAttribute pa = (ProductAttribute) ids .get(new Long(productAttribute.getProductAttributeId())); if (pa != null) { scpa.setAttributeValue(pa.getValue()); if (pa.isStringValue()) { scpa.setTextValue(pa.getTextValue()); } attrList.add(scpa); } } scp.setAttributes(attrList); } else { scp.setPrice(ProductUtil.determinePrice(p, locale, store.getCurrency())); BigDecimal price = ProductUtil.determinePrice(p, locale, store.getCurrency()); scp.setPriceText( CurrencyUtil.displayFormatedAmountWithCurrency(price, store.getCurrency())); } } else { scp.setPrice(ProductUtil.determinePrice(p, locale, store.getCurrency())); BigDecimal price = ProductUtil.determinePrice(p, locale, store.getCurrency()); scp.setPriceText(CurrencyUtil.displayFormatedAmountWithCurrency(price, store.getCurrency())); } scp.setProductName(p.getName()); Collection products = cart.getProducts(); if (products == null) { products = new ArrayList(); cart.setProducts(products); } products.add(scp); } MiniShoppingCartUtil.calculateTotal(cart, store); SessionUtil.setMiniShoppingCart(cart, req); //save the cart in the cookie setMiniCartCookie(req, resp, cart); return cart; } catch (Exception e) { logger.error(e); cart.setErrorMessage(LabelUtil.getInstance().getText(locale, "errors.technical")); return cart; } } private void setMiniCartCookie(HttpServletRequest req, HttpServletResponse resp, ShoppingCart cart) { try { String serializedCart = MiniShoppingCartSerializationUtil.serializeToJSON(cart); if (cart != null) { cart.setJsonShoppingCart(serializedCart); } /*String cookieValue = serializedCart; int maxAge = SECONDS_PER_YEAR; String cookieName = CatalogConstants.CART_COOKIE_NAME; if(cookieValue==null) { cookieValue = ""; maxAge = 0; } Cookie c = null; Cookie[] cookies = req.getCookies(); if (cookies != null) { for (int i = 0; i < cookies.length; i++) { Cookie cookie = cookies[i]; if(cookie.getName().equals(CatalogConstants.SKU_COOKIE)) { c = cookie; c.setValue(cookieValue); } } } if(c==null) { c = new Cookie(cookieName,cookieValue); } c.setMaxAge(maxAge); resp.addCookie(c);*/ } catch (Exception e) { logger.error("Cannot serialize cart in the cookie", e); } } }