001    /**
002     * Copyright (c) 2000-2012 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.polls.action;
016    
017    import com.liferay.portal.kernel.portlet.LiferayWindowState;
018    import com.liferay.portal.kernel.servlet.SessionErrors;
019    import com.liferay.portal.kernel.servlet.SessionMessages;
020    import com.liferay.portal.kernel.util.CharPool;
021    import com.liferay.portal.kernel.util.Constants;
022    import com.liferay.portal.kernel.util.LocalizationUtil;
023    import com.liferay.portal.kernel.util.ParamUtil;
024    import com.liferay.portal.kernel.util.StringPool;
025    import com.liferay.portal.kernel.util.Validator;
026    import com.liferay.portal.model.Layout;
027    import com.liferay.portal.security.auth.PrincipalException;
028    import com.liferay.portal.service.LayoutLocalServiceUtil;
029    import com.liferay.portal.service.ServiceContext;
030    import com.liferay.portal.service.ServiceContextFactory;
031    import com.liferay.portal.struts.PortletAction;
032    import com.liferay.portal.theme.ThemeDisplay;
033    import com.liferay.portal.util.PortalUtil;
034    import com.liferay.portal.util.WebKeys;
035    import com.liferay.portlet.PortletPreferencesFactoryUtil;
036    import com.liferay.portlet.bookmarks.model.BookmarksEntry;
037    import com.liferay.portlet.polls.DuplicateVoteException;
038    import com.liferay.portlet.polls.NoSuchChoiceException;
039    import com.liferay.portlet.polls.NoSuchQuestionException;
040    import com.liferay.portlet.polls.QuestionChoiceException;
041    import com.liferay.portlet.polls.QuestionDescriptionException;
042    import com.liferay.portlet.polls.QuestionExpirationDateException;
043    import com.liferay.portlet.polls.QuestionExpiredException;
044    import com.liferay.portlet.polls.QuestionTitleException;
045    import com.liferay.portlet.polls.model.PollsChoice;
046    import com.liferay.portlet.polls.model.PollsQuestion;
047    import com.liferay.portlet.polls.service.PollsQuestionServiceUtil;
048    import com.liferay.portlet.polls.service.persistence.PollsChoiceUtil;
049    
050    import java.util.ArrayList;
051    import java.util.Calendar;
052    import java.util.Enumeration;
053    import java.util.HashSet;
054    import java.util.List;
055    import java.util.Locale;
056    import java.util.Map;
057    import java.util.Set;
058    
059    import javax.portlet.ActionRequest;
060    import javax.portlet.ActionResponse;
061    import javax.portlet.PortletConfig;
062    import javax.portlet.PortletPreferences;
063    import javax.portlet.PortletRequest;
064    import javax.portlet.RenderRequest;
065    import javax.portlet.RenderResponse;
066    import javax.portlet.WindowState;
067    
068    import org.apache.struts.action.ActionForm;
069    import org.apache.struts.action.ActionForward;
070    import org.apache.struts.action.ActionMapping;
071    
072    /**
073     * @author Brian Wing Shun Chan
074     */
075    public class EditQuestionAction extends PortletAction {
076    
077            public static final String CHOICE_DESCRIPTION_PREFIX = "choiceDescription";
078    
079            public static final String CHOICE_NAME_PREFIX = "choiceName";
080    
081            @Override
082            public void processAction(
083                            ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
084                            ActionRequest actionRequest, ActionResponse actionResponse)
085                    throws Exception {
086    
087                    String cmd = ParamUtil.getString(actionRequest, Constants.CMD);
088    
089                    try {
090                            if (Validator.isNull(cmd)) {
091                                    return;
092                            }
093                            else if (cmd.equals(Constants.ADD) ||
094                                             cmd.equals(Constants.UPDATE) ||
095                                             cmd.equals(Constants.VOTE)) {
096    
097                                    updateQuestion(portletConfig, actionRequest);
098                            }
099                            else if (cmd.equals(Constants.DELETE)) {
100                                    deleteQuestion(actionRequest);
101                            }
102    
103                            WindowState windowState = actionRequest.getWindowState();
104    
105                            if (windowState.equals(LiferayWindowState.POP_UP)) {
106                                    String redirect = PortalUtil.escapeRedirect(
107                                            ParamUtil.getString(actionRequest, "redirect"));
108    
109                                    if (Validator.isNotNull(redirect)) {
110                                            actionResponse.sendRedirect(redirect);
111                                    }
112                            }
113                            else {
114                                    sendRedirect(actionRequest, actionResponse);
115                            }
116                    }
117                    catch (Exception e) {
118                            if (e instanceof NoSuchQuestionException ||
119                                    e instanceof PrincipalException) {
120    
121                                    SessionErrors.add(actionRequest, e.getClass().getName());
122    
123                                    setForward(actionRequest, "portlet.polls.error");
124                            }
125                            else if (e instanceof DuplicateVoteException ||
126                                             e instanceof NoSuchChoiceException ||
127                                             e instanceof QuestionChoiceException ||
128                                             e instanceof QuestionDescriptionException ||
129                                             e instanceof QuestionExpirationDateException ||
130                                             e instanceof QuestionTitleException) {
131    
132                                    SessionErrors.add(actionRequest, e.getClass().getName());
133    
134                                    SessionMessages.add(
135                                            actionRequest,
136                                            portletConfig.getPortletName() +
137                                                    SessionMessages.KEY_SUFFIX_HIDE_DEFAULT_ERROR_MESSAGE);
138                            }
139                            else if (e instanceof QuestionExpiredException) {
140                            }
141                            else {
142                                    throw e;
143                            }
144                    }
145            }
146    
147            @Override
148            public ActionForward render(
149                            ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
150                            RenderRequest renderRequest, RenderResponse renderResponse)
151                    throws Exception {
152    
153                    try {
154                            ActionUtil.getQuestion(renderRequest);
155                    }
156                    catch (Exception e) {
157                            if (e instanceof NoSuchQuestionException ||
158                                    e instanceof PrincipalException) {
159    
160                                    SessionErrors.add(renderRequest, e.getClass().getName());
161    
162                                    return mapping.findForward("portlet.polls.error");
163                            }
164                            else {
165                                    throw e;
166                            }
167                    }
168    
169                    return mapping.findForward(
170                            getForward(renderRequest, "portlet.polls.edit_question"));
171            }
172    
173            protected void addAndStoreSelection(
174                            PortletConfig portletConfig, PortletRequest portletRequest,
175                            PollsQuestion question)
176                    throws Exception {
177    
178                    String referringPortletResource = ParamUtil.getString(
179                            portletRequest, "referringPortletResource");
180    
181                    if (Validator.isNull(referringPortletResource)) {
182                            return;
183                    }
184    
185                    ThemeDisplay themeDisplay = (ThemeDisplay)portletRequest.getAttribute(
186                            WebKeys.THEME_DISPLAY);
187    
188                    Layout layout = LayoutLocalServiceUtil.getLayout(
189                            themeDisplay.getRefererPlid());
190    
191                    PortletPreferences preferences =
192                            PortletPreferencesFactoryUtil.getPortletSetup(
193                                    layout, referringPortletResource, StringPool.BLANK);
194    
195                    preferences.setValue(
196                            "questionId", String.valueOf(question.getQuestionId()));
197    
198                    preferences.store();
199    
200                    SessionMessages.add(
201                            portletRequest,
202                            portletConfig.getPortletName() +
203                                    SessionMessages.KEY_SUFFIX_REFRESH_PORTLET,
204                            referringPortletResource);
205            }
206    
207            protected void deleteQuestion(ActionRequest actionRequest)
208                    throws Exception {
209    
210                    long questionId = ParamUtil.getLong(actionRequest, "questionId");
211    
212                    PollsQuestionServiceUtil.deleteQuestion(questionId);
213            }
214    
215            protected void updateQuestion(
216                            PortletConfig portletConfig, ActionRequest actionRequest)
217                    throws Exception {
218    
219                    long questionId = ParamUtil.getLong(actionRequest, "questionId");
220    
221                    Map<Locale, String> titleMap = LocalizationUtil.getLocalizationMap(
222                            actionRequest, "title");
223                    Map<Locale, String> descriptionMap =
224                            LocalizationUtil.getLocalizationMap(actionRequest, "description");
225    
226                    int expirationDateMonth = ParamUtil.getInteger(
227                            actionRequest, "expirationDateMonth");
228                    int expirationDateDay = ParamUtil.getInteger(
229                            actionRequest, "expirationDateDay");
230                    int expirationDateYear = ParamUtil.getInteger(
231                            actionRequest, "expirationDateYear");
232                    int expirationDateHour = ParamUtil.getInteger(
233                            actionRequest, "expirationDateHour");
234                    int expirationDateMinute = ParamUtil.getInteger(
235                            actionRequest, "expirationDateMinute");
236                    int expirationDateAmPm = ParamUtil.getInteger(
237                            actionRequest, "expirationDateAmPm");
238                    boolean neverExpire = ParamUtil.getBoolean(
239                            actionRequest, "neverExpire");
240    
241                    if (expirationDateAmPm == Calendar.PM) {
242                            expirationDateHour += 12;
243                    }
244    
245                    List<PollsChoice> choices = new ArrayList<PollsChoice>();
246    
247                    Set<String> readParameters = new HashSet<String>();
248    
249                    Enumeration<String> enu = actionRequest.getParameterNames();
250    
251                    while (enu.hasMoreElements()) {
252                            String param = enu.nextElement();
253    
254                            if (param.startsWith(CHOICE_DESCRIPTION_PREFIX)) {
255                                    try {
256                                            String id = param.substring(
257                                                    CHOICE_DESCRIPTION_PREFIX.length(),
258                                                    param.indexOf(CharPool.UNDERLINE));
259    
260                                            if (readParameters.contains(id)) {
261                                                    continue;
262                                            }
263    
264                                            String choiceName = ParamUtil.getString(
265                                                    actionRequest, CHOICE_NAME_PREFIX + id);
266    
267                                            Map<Locale, String> localeChoiceDescriptionMap =
268                                                    LocalizationUtil.getLocalizationMap(
269                                                            actionRequest, CHOICE_DESCRIPTION_PREFIX + id);
270    
271                                            PollsChoice choice = PollsChoiceUtil.create(0);
272    
273                                            choice.setName(choiceName);
274                                            choice.setDescriptionMap(localeChoiceDescriptionMap);
275    
276                                            choices.add(choice);
277    
278                                            readParameters.add(id);
279                                    }
280                                    catch (Exception e) {
281                                    }
282                            }
283                    }
284    
285                    ServiceContext serviceContext = ServiceContextFactory.getInstance(
286                            BookmarksEntry.class.getName(), actionRequest);
287    
288                    if (questionId <= 0) {
289    
290                            // Add question
291    
292                            PollsQuestion question = PollsQuestionServiceUtil.addQuestion(
293                                    titleMap, descriptionMap, expirationDateMonth,
294                                    expirationDateDay, expirationDateYear, expirationDateHour,
295                                    expirationDateMinute, neverExpire, choices, serviceContext);
296    
297                            // Poll display
298    
299                            addAndStoreSelection(portletConfig, actionRequest, question);
300                    }
301                    else {
302    
303                            // Update question
304    
305                            PollsQuestionServiceUtil.updateQuestion(
306                                    questionId, titleMap, descriptionMap, expirationDateMonth,
307                                    expirationDateDay, expirationDateYear, expirationDateHour,
308                                    expirationDateMinute, neverExpire, choices, serviceContext);
309                    }
310            }
311    
312    }