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.LiferayPortletConfig;
018    import com.liferay.portal.kernel.portlet.LiferayWindowState;
019    import com.liferay.portal.kernel.servlet.SessionErrors;
020    import com.liferay.portal.kernel.servlet.SessionMessages;
021    import com.liferay.portal.kernel.util.CharPool;
022    import com.liferay.portal.kernel.util.Constants;
023    import com.liferay.portal.kernel.util.LocalizationUtil;
024    import com.liferay.portal.kernel.util.ParamUtil;
025    import com.liferay.portal.kernel.util.StringPool;
026    import com.liferay.portal.kernel.util.Validator;
027    import com.liferay.portal.model.Layout;
028    import com.liferay.portal.security.auth.PrincipalException;
029    import com.liferay.portal.service.LayoutLocalServiceUtil;
030    import com.liferay.portal.service.ServiceContext;
031    import com.liferay.portal.service.ServiceContextFactory;
032    import com.liferay.portal.struts.PortletAction;
033    import com.liferay.portal.theme.ThemeDisplay;
034    import com.liferay.portal.util.PortalUtil;
035    import com.liferay.portal.util.WebKeys;
036    import com.liferay.portlet.PortletPreferencesFactoryUtil;
037    import com.liferay.portlet.bookmarks.model.BookmarksEntry;
038    import com.liferay.portlet.polls.DuplicateVoteException;
039    import com.liferay.portlet.polls.NoSuchChoiceException;
040    import com.liferay.portlet.polls.NoSuchQuestionException;
041    import com.liferay.portlet.polls.QuestionChoiceException;
042    import com.liferay.portlet.polls.QuestionDescriptionException;
043    import com.liferay.portlet.polls.QuestionExpirationDateException;
044    import com.liferay.portlet.polls.QuestionExpiredException;
045    import com.liferay.portlet.polls.QuestionTitleException;
046    import com.liferay.portlet.polls.model.PollsChoice;
047    import com.liferay.portlet.polls.model.PollsQuestion;
048    import com.liferay.portlet.polls.service.PollsQuestionServiceUtil;
049    import com.liferay.portlet.polls.service.persistence.PollsChoiceUtil;
050    
051    import java.util.ArrayList;
052    import java.util.Calendar;
053    import java.util.Enumeration;
054    import java.util.HashSet;
055    import java.util.List;
056    import java.util.Locale;
057    import java.util.Map;
058    import java.util.Set;
059    
060    import javax.portlet.ActionRequest;
061    import javax.portlet.ActionResponse;
062    import javax.portlet.PortletConfig;
063    import javax.portlet.PortletPreferences;
064    import javax.portlet.PortletRequest;
065    import javax.portlet.RenderRequest;
066    import javax.portlet.RenderResponse;
067    import javax.portlet.WindowState;
068    
069    import org.apache.struts.action.ActionForm;
070    import org.apache.struts.action.ActionForward;
071    import org.apache.struts.action.ActionMapping;
072    
073    /**
074     * @author Brian Wing Shun Chan
075     */
076    public class EditQuestionAction extends PortletAction {
077    
078            public static final String CHOICE_DESCRIPTION_PREFIX = "choiceDescription";
079    
080            public static final String CHOICE_NAME_PREFIX = "choiceName";
081    
082            @Override
083            public void processAction(
084                            ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
085                            ActionRequest actionRequest, ActionResponse actionResponse)
086                    throws Exception {
087    
088                    String cmd = ParamUtil.getString(actionRequest, Constants.CMD);
089    
090                    try {
091                            if (Validator.isNull(cmd)) {
092                                    return;
093                            }
094                            else if (cmd.equals(Constants.ADD) ||
095                                             cmd.equals(Constants.UPDATE) ||
096                                             cmd.equals(Constants.VOTE)) {
097    
098                                    updateQuestion(portletConfig, actionRequest, actionResponse);
099                            }
100                            else if (cmd.equals(Constants.DELETE)) {
101                                    deleteQuestion(actionRequest);
102                            }
103    
104                            WindowState windowState = actionRequest.getWindowState();
105    
106                            if (windowState.equals(LiferayWindowState.POP_UP)) {
107                                    String redirect = PortalUtil.escapeRedirect(
108                                            ParamUtil.getString(actionRequest, "redirect"));
109    
110                                    if (Validator.isNotNull(redirect)) {
111                                            actionResponse.sendRedirect(redirect);
112                                    }
113                            }
114                            else {
115                                    sendRedirect(actionRequest, actionResponse);
116                            }
117                    }
118                    catch (Exception e) {
119                            if (e instanceof NoSuchQuestionException ||
120                                    e instanceof PrincipalException) {
121    
122                                    SessionErrors.add(actionRequest, e.getClass());
123    
124                                    setForward(actionRequest, "portlet.polls.error");
125                            }
126                            else if (e instanceof DuplicateVoteException ||
127                                             e instanceof NoSuchChoiceException ||
128                                             e instanceof QuestionChoiceException ||
129                                             e instanceof QuestionDescriptionException ||
130                                             e instanceof QuestionExpirationDateException ||
131                                             e instanceof QuestionTitleException) {
132    
133                                    SessionErrors.add(actionRequest, e.getClass());
134    
135                                    LiferayPortletConfig liferayPortletConfig =
136                                            (LiferayPortletConfig)portletConfig;
137    
138                                    SessionMessages.add(
139                                            actionRequest,
140                                            liferayPortletConfig.getPortletId() +
141                                                    SessionMessages.KEY_SUFFIX_HIDE_DEFAULT_ERROR_MESSAGE);
142                            }
143                            else if (e instanceof QuestionExpiredException) {
144                            }
145                            else {
146                                    throw e;
147                            }
148                    }
149            }
150    
151            @Override
152            public ActionForward render(
153                            ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
154                            RenderRequest renderRequest, RenderResponse renderResponse)
155                    throws Exception {
156    
157                    try {
158                            ActionUtil.getQuestion(renderRequest);
159                    }
160                    catch (Exception e) {
161                            if (e instanceof NoSuchQuestionException ||
162                                    e instanceof PrincipalException) {
163    
164                                    SessionErrors.add(renderRequest, e.getClass());
165    
166                                    return mapping.findForward("portlet.polls.error");
167                            }
168                            else {
169                                    throw e;
170                            }
171                    }
172    
173                    return mapping.findForward(
174                            getForward(renderRequest, "portlet.polls.edit_question"));
175            }
176    
177            protected void addAndStoreSelection(
178                            PortletConfig portletConfig, PortletRequest portletRequest,
179                            PollsQuestion question)
180                    throws Exception {
181    
182                    String referringPortletResource = ParamUtil.getString(
183                            portletRequest, "referringPortletResource");
184    
185                    if (Validator.isNull(referringPortletResource)) {
186                            return;
187                    }
188    
189                    ThemeDisplay themeDisplay = (ThemeDisplay)portletRequest.getAttribute(
190                            WebKeys.THEME_DISPLAY);
191    
192                    Layout layout = LayoutLocalServiceUtil.getLayout(
193                            themeDisplay.getRefererPlid());
194    
195                    PortletPreferences preferences =
196                            PortletPreferencesFactoryUtil.getPortletSetup(
197                                    layout, referringPortletResource, StringPool.BLANK);
198    
199                    preferences.setValue(
200                            "questionId", String.valueOf(question.getQuestionId()));
201    
202                    preferences.store();
203    
204                    LiferayPortletConfig liferayPortletConfig =
205                            (LiferayPortletConfig)portletConfig;
206    
207                    SessionMessages.add(
208                            portletRequest,
209                            liferayPortletConfig.getPortletId() +
210                                    SessionMessages.KEY_SUFFIX_REFRESH_PORTLET,
211                            referringPortletResource);
212            }
213    
214            protected void deleteQuestion(ActionRequest actionRequest)
215                    throws Exception {
216    
217                    long questionId = ParamUtil.getLong(actionRequest, "questionId");
218    
219                    PollsQuestionServiceUtil.deleteQuestion(questionId);
220            }
221    
222            protected void updateQuestion(
223                            PortletConfig portletConfig, ActionRequest actionRequest,
224                            ActionResponse actionResponse)
225                    throws Exception {
226    
227                    long questionId = ParamUtil.getLong(actionRequest, "questionId");
228    
229                    Map<Locale, String> titleMap = LocalizationUtil.getLocalizationMap(
230                            actionRequest, "title");
231                    Map<Locale, String> descriptionMap =
232                            LocalizationUtil.getLocalizationMap(actionRequest, "description");
233    
234                    int expirationDateMonth = ParamUtil.getInteger(
235                            actionRequest, "expirationDateMonth");
236                    int expirationDateDay = ParamUtil.getInteger(
237                            actionRequest, "expirationDateDay");
238                    int expirationDateYear = ParamUtil.getInteger(
239                            actionRequest, "expirationDateYear");
240                    int expirationDateHour = ParamUtil.getInteger(
241                            actionRequest, "expirationDateHour");
242                    int expirationDateMinute = ParamUtil.getInteger(
243                            actionRequest, "expirationDateMinute");
244                    int expirationDateAmPm = ParamUtil.getInteger(
245                            actionRequest, "expirationDateAmPm");
246                    boolean neverExpire = ParamUtil.getBoolean(
247                            actionRequest, "neverExpire");
248    
249                    if (expirationDateAmPm == Calendar.PM) {
250                            expirationDateHour += 12;
251                    }
252    
253                    List<PollsChoice> choices = new ArrayList<PollsChoice>();
254    
255                    Set<String> readParameters = new HashSet<String>();
256    
257                    Enumeration<String> enu = actionRequest.getParameterNames();
258    
259                    while (enu.hasMoreElements()) {
260                            String param = enu.nextElement();
261    
262                            if (param.startsWith(CHOICE_DESCRIPTION_PREFIX)) {
263                                    try {
264                                            String id = param.substring(
265                                                    CHOICE_DESCRIPTION_PREFIX.length(),
266                                                    param.indexOf(CharPool.UNDERLINE));
267    
268                                            if (readParameters.contains(id)) {
269                                                    continue;
270                                            }
271    
272                                            String choiceName = ParamUtil.getString(
273                                                    actionRequest, CHOICE_NAME_PREFIX + id);
274    
275                                            Map<Locale, String> localeChoiceDescriptionMap =
276                                                    LocalizationUtil.getLocalizationMap(
277                                                            actionRequest, CHOICE_DESCRIPTION_PREFIX + id);
278    
279                                            PollsChoice choice = PollsChoiceUtil.create(0);
280    
281                                            choice.setName(choiceName);
282                                            choice.setDescriptionMap(localeChoiceDescriptionMap);
283    
284                                            choices.add(choice);
285    
286                                            readParameters.add(id);
287                                    }
288                                    catch (Exception e) {
289                                    }
290                            }
291                    }
292    
293                    ServiceContext serviceContext = ServiceContextFactory.getInstance(
294                            BookmarksEntry.class.getName(), actionRequest);
295    
296                    if (questionId <= 0) {
297    
298                            // Add question
299    
300                            PollsQuestion question = PollsQuestionServiceUtil.addQuestion(
301                                    titleMap, descriptionMap, expirationDateMonth,
302                                    expirationDateDay, expirationDateYear, expirationDateHour,
303                                    expirationDateMinute, neverExpire, choices, serviceContext);
304    
305                            // Poll display
306    
307                            addAndStoreSelection(portletConfig, actionRequest, question);
308                    }
309                    else {
310    
311                            // Update question
312    
313                            PollsQuestionServiceUtil.updateQuestion(
314                                    questionId, titleMap, descriptionMap, expirationDateMonth,
315                                    expirationDateDay, expirationDateYear, expirationDateHour,
316                                    expirationDateMinute, neverExpire, choices, serviceContext);
317                    }
318            }
319    
320    }