001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portlet.shopping.action;
016    
017    import com.liferay.portal.kernel.servlet.SessionErrors;
018    import com.liferay.portal.kernel.util.Constants;
019    import com.liferay.portal.kernel.util.ParamUtil;
020    import com.liferay.portal.security.auth.PrincipalException;
021    import com.liferay.portal.service.ServiceContext;
022    import com.liferay.portal.service.ServiceContextFactory;
023    import com.liferay.portal.struts.PortletAction;
024    import com.liferay.portlet.shopping.CategoryNameException;
025    import com.liferay.portlet.shopping.NoSuchCategoryException;
026    import com.liferay.portlet.shopping.model.ShoppingCategory;
027    import com.liferay.portlet.shopping.service.ShoppingCategoryServiceUtil;
028    
029    import javax.portlet.ActionRequest;
030    import javax.portlet.ActionResponse;
031    import javax.portlet.PortletConfig;
032    import javax.portlet.RenderRequest;
033    import javax.portlet.RenderResponse;
034    
035    import org.apache.struts.action.ActionForm;
036    import org.apache.struts.action.ActionForward;
037    import org.apache.struts.action.ActionMapping;
038    
039    /**
040     * @author Brian Wing Shun Chan
041     */
042    public class EditCategoryAction extends PortletAction {
043    
044            public void processAction(
045                            ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
046                            ActionRequest actionRequest, ActionResponse actionResponse)
047                    throws Exception {
048    
049                    String cmd = ParamUtil.getString(actionRequest, Constants.CMD);
050    
051                    try {
052                            if (cmd.equals(Constants.ADD) || cmd.equals(Constants.UPDATE)) {
053                                    updateCategory(actionRequest);
054                            }
055                            else if (cmd.equals(Constants.DELETE)) {
056                                    deleteCategory(actionRequest);
057                            }
058    
059                            sendRedirect(actionRequest, actionResponse);
060                    }
061                    catch (Exception e) {
062                            if (e instanceof NoSuchCategoryException ||
063                                    e instanceof PrincipalException) {
064    
065                                    SessionErrors.add(actionRequest, e.getClass().getName());
066    
067                                    setForward(actionRequest, "portlet.shopping.error");
068                            }
069                            else if (e instanceof CategoryNameException) {
070                                    SessionErrors.add(actionRequest, e.getClass().getName());
071                            }
072                            else {
073                                    throw e;
074                            }
075                    }
076            }
077    
078            public ActionForward render(
079                            ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
080                            RenderRequest renderRequest, RenderResponse renderResponse)
081                    throws Exception {
082    
083                    try {
084                            ActionUtil.getCategory(renderRequest);
085                    }
086                    catch (Exception e) {
087                            if (e instanceof NoSuchCategoryException ||
088                                    e instanceof PrincipalException) {
089    
090                                    SessionErrors.add(renderRequest, e.getClass().getName());
091    
092                                    return mapping.findForward("portlet.shopping.error");
093                            }
094                            else {
095                                    throw e;
096                            }
097                    }
098    
099                    return mapping.findForward(
100                            getForward(renderRequest, "portlet.shopping.edit_category"));
101            }
102    
103            protected void deleteCategory(ActionRequest actionRequest)
104                    throws Exception {
105    
106                    long categoryId = ParamUtil.getLong(actionRequest, "categoryId");
107    
108                    ShoppingCategoryServiceUtil.deleteCategory(categoryId);
109            }
110    
111            protected void updateCategory(ActionRequest actionRequest)
112                    throws Exception {
113    
114                    long categoryId = ParamUtil.getLong(actionRequest, "categoryId");
115    
116                    long parentCategoryId = ParamUtil.getLong(
117                            actionRequest, "parentCategoryId");
118                    String name = ParamUtil.getString(actionRequest, "name");
119                    String description = ParamUtil.getString(actionRequest, "description");
120    
121                    boolean mergeWithParentCategory = ParamUtil.getBoolean(
122                            actionRequest, "mergeWithParentCategory");
123    
124                    ServiceContext serviceContext = ServiceContextFactory.getInstance(
125                            ShoppingCategory.class.getName(), actionRequest);
126    
127                    if (categoryId <= 0) {
128    
129                            // Add category
130    
131                            ShoppingCategoryServiceUtil.addCategory(
132                                    parentCategoryId, name, description, serviceContext);
133                    }
134                    else {
135    
136                            // Update category
137    
138                            ShoppingCategoryServiceUtil.updateCategory(
139                                    categoryId, parentCategoryId, name, description,
140                                    mergeWithParentCategory, serviceContext);
141                    }
142            }
143    
144    }