001/*
002 *  Copyright 2010 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package org.ametys.plugins.newsletter.subscribe;
017
018import java.util.ArrayList;
019import java.util.HashMap;
020import java.util.List;
021import java.util.Map;
022
023import org.apache.avalon.framework.parameters.Parameters;
024import org.apache.cocoon.environment.ObjectModelHelper;
025import org.apache.cocoon.environment.Redirector;
026import org.apache.cocoon.environment.Request;
027import org.apache.cocoon.environment.SourceResolver;
028
029import org.ametys.plugins.newsletter.category.Category;
030import org.ametys.plugins.newsletter.daos.Subscriber;
031import org.ametys.web.WebConstants;
032import org.ametys.web.repository.page.Page;
033import org.ametys.web.repository.page.ZoneItem;
034
035/**
036 * This action subscribes an email address to a newsletter
037 *
038 */
039public class SubscribeAction extends AbstractSubscribeAction
040{    
041    @Override
042    public Map act(Redirector redirector, SourceResolver resolver, Map objectModel, String source, Parameters parameters) throws Exception
043    {
044        Map<String, String> result = new HashMap<>();
045        
046        Request request = ObjectModelHelper.getRequest(objectModel);
047        boolean subscribe = request.getParameter("subscribe") != null;
048        
049        String email = request.getParameter("email");
050        result.put("email", email);
051        
052        ZoneItem currentZoneItem = (ZoneItem) request.getAttribute(WebConstants.REQUEST_ATTR_ZONEITEM);
053        String zoneItemId = request.getParameter("zoneitem-id");
054
055        if (subscribe && (zoneItemId == null || currentZoneItem.getId().equals(zoneItemId))) // Handle zoneitem id null for legacy purpose
056        {
057            try
058            {
059                String siteName = request.getParameter("siteName");
060                String[] categories = request.getParameterValues("category");
061                
062                // Validate email
063                if (!_validEmail(email))
064                {
065                    result.put("msg", "invalid-email");
066                    return result;
067                }
068                
069
070                // Validate captcha
071                Page page;
072                if (currentZoneItem == null)
073                {
074                    page = _resolver.resolveById(request.getParameter("page-id"));
075                }
076                else
077                {
078                    page = currentZoneItem.getZone().getPage();
079                }
080                if (!_validCaptcha(request, page))
081                {
082                    result.put("msg", "invalid-captcha");
083                    return result;
084                }
085                
086                // Validate categories
087                if (!_validCategory(categories))
088                {
089                    result.put("msg", "invalid-category");
090                    return result;
091                }
092                
093                
094                List<String> subscribeTo = new ArrayList<>();
095                List<String> alreadySubscribeTo = new ArrayList<>();
096                for (String categoryID : categories)
097                {
098                    if (_subscribersDao.getSubscriber(email, siteName, categoryID) == null)
099                    {
100                        Category category = _getCategory(categoryID);
101                        if (category != null)
102                        {
103                            Subscriber subscriber = _createSubscritpion(email, siteName, categoryID);
104                            _subscribersDao.subscribe(subscriber);
105                            
106                            getLogger().info("The user with email '" + email + "' subscribed to the newsletter with the token " + subscriber.getToken());
107                            
108                            subscribeTo.add(categoryID);
109                        }
110                    }
111                    else
112                    {
113                        alreadySubscribeTo.add(categoryID);
114                    }
115                }
116                
117                result.put("msg", "success");
118                result.put("subscribeTo", String.join(",", subscribeTo));
119                result.put("alreadySubscribeTo", String.join(",", alreadySubscribeTo));
120            }
121            catch (Exception e)
122            {
123                result.put("msg", "failure");
124                getLogger().error("An error occurred during the subscription for the email '" + email + "'", e);
125            }
126        }
127        return result;
128    }
129    
130    /**
131     * Determines if the categories are valid
132     * @param categories The categories id
133     * @return true if the categories are valid
134     */
135    protected boolean _validCategory (String[] categories)
136    {
137        return categories != null && categories.length > 0;
138    }
139}