001    /**
002     * Copyright (c) 2000-2011 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    
131                                             e instanceof QuestionTitleException) {
132    
133                                    SessionErrors.add(actionRequest, e.getClass().getName());
134    
135                                    SessionMessages.add(
136                                            actionRequest,
137                                            portletConfig.getPortletName() +
138                                                    SessionMessages.KEY_SUFFIX_HIDE_DEFAULT_ERROR_MESSAGE);
139                            }
140                            else if (e instanceof QuestionExpiredException) {
141                            }
142                            else {
143                                    throw e;
144                            }
145                    }
146            }
147    
148            @Override
149            public ActionForward render(
150                            ActionMapping mapping, ActionForm form, PortletConfig portletConfig,
151                            RenderRequest renderRequest, RenderResponse renderResponse)
152                    throws Exception {
153    
154                    try {
155                            ActionUtil.getQuestion(renderRequest);
156                    }
157                    catch (Exception e) {
158                            if (e instanceof NoSuchQuestionException ||
159                                    e instanceof PrincipalException) {
160    
161                                    SessionErrors.add(renderRequest, e.getClass().getName());
162    
163                                    return mapping.findForward("portlet.polls.error");
164                            }
165                            else {
166                                    throw e;
167                            }
168                    }
169    
170                    return mapping.findForward(
171                            getForward(renderRequest, "portlet.polls.edit_question"));
172            }
173    
174            protected void addAndStoreSelection(
175                            PortletConfig portletConfig, PortletRequest portletRequest,
176                            PollsQuestion question)
177                    throws Exception {
178    
179                    String referringPortletResource = ParamUtil.getString(
180                            portletRequest, "referringPortletResource");
181    
182                    if (Validator.isNull(referringPortletResource)) {
183                            return;
184                    }
185    
186                    ThemeDisplay themeDisplay = (ThemeDisplay)portletRequest.getAttribute(
187                            WebKeys.THEME_DISPLAY);
188    
189                    Layout layout = LayoutLocalServiceUtil.getLayout(
190                            themeDisplay.getRefererPlid());
191    
192                    PortletPreferences preferences =
193                            PortletPreferencesFactoryUtil.getPortletSetup(
194                                    layout, referringPortletResource, StringPool.BLANK);
195    
196                    preferences.setValue(
197                            "questionId", String.valueOf(question.getQuestionId()));
198    
199                    preferences.store();
200    
201                    SessionMessages.add(
202                            portletRequest,
203                            portletConfig.getPortletName() +
204                                    SessionMessages.KEY_SUFFIX_REFRESH_PORTLET,
205                            referringPortletResource);
206            }
207    
208            protected void deleteQuestion(ActionRequest actionRequest)
209                    throws Exception {
210    
211                    long questionId = ParamUtil.getLong(actionRequest, "questionId");
212    
213                    PollsQuestionServiceUtil.deleteQuestion(questionId);
214            }
215    
216            protected void updateQuestion(
217                            PortletConfig portletConfig, ActionRequest actionRequest)
218                    throws Exception {
219    
220                    long questionId = ParamUtil.getLong(actionRequest, "questionId");
221    
222                    Map<Locale, String> titleMap = LocalizationUtil.getLocalizationMap(
223                            actionRequest, "title");
224                    Map<Locale, String> descriptionMap =
225                            LocalizationUtil.getLocalizationMap(actionRequest, "description");
226    
227                    int expirationDateMonth = ParamUtil.getInteger(
228                            actionRequest, "expirationDateMonth");
229                    int expirationDateDay = ParamUtil.getInteger(
230                            actionRequest, "expirationDateDay");
231                    int expirationDateYear = ParamUtil.getInteger(
232                            actionRequest, "expirationDateYear");
233                    int expirationDateHour = ParamUtil.getInteger(
234                            actionRequest, "expirationDateHour");
235                    int expirationDateMinute = ParamUtil.getInteger(
236                            actionRequest, "expirationDateMinute");
237                    int expirationDateAmPm = ParamUtil.getInteger(
238                            actionRequest, "expirationDateAmPm");
239                    boolean neverExpire = ParamUtil.getBoolean(
240                            actionRequest, "neverExpire");
241    
242                    if (expirationDateAmPm == Calendar.PM) {
243                            expirationDateHour += 12;
244                    }
245    
246                    List<PollsChoice> choices = new ArrayList<PollsChoice>();
247    
248                    Set<String> readParameters = new HashSet<String>();
249    
250                    Enumeration<String> enu = actionRequest.getParameterNames();
251    
252                    while (enu.hasMoreElements()) {
253                            String param = enu.nextElement();
254    
255                            if (param.startsWith(CHOICE_DESCRIPTION_PREFIX)) {
256                                    try {
257                                            String id = param.substring(
258                                                    CHOICE_DESCRIPTION_PREFIX.length(),
259                                                    param.indexOf(CharPool.UNDERLINE));
260    
261                                            if (readParameters.contains(id)) {
262                                                    continue;
263                                            }
264    
265                                            String choiceName = ParamUtil.getString(
266                                                    actionRequest, CHOICE_NAME_PREFIX + id);
267    
268                                            Map<Locale, String> localeChoiceDescriptionMap =
269                                                    LocalizationUtil.getLocalizationMap(
270                                                            actionRequest, CHOICE_DESCRIPTION_PREFIX + id);
271    
272                                            PollsChoice choice = PollsChoiceUtil.create(0);
273    
274                                            choice.setName(choiceName);
275                                            choice.setDescriptionMap(localeChoiceDescriptionMap);
276    
277                                            choices.add(choice);
278    
279                                            readParameters.add(id);
280                                    }
281                                    catch (Exception e) {
282                                    }
283                            }
284                    }
285    
286                    ServiceContext serviceContext = ServiceContextFactory.getInstance(
287                            BookmarksEntry.class.getName(), actionRequest);
288    
289                    if (questionId <= 0) {
290    
291                            // Add question
292    
293                            PollsQuestion question = PollsQuestionServiceUtil.addQuestion(
294                                    titleMap, descriptionMap, expirationDateMonth,
295                                    expirationDateDay, expirationDateYear, expirationDateHour,
296                                    expirationDateMinute, neverExpire, choices, serviceContext);
297    
298                            // Poll display
299    
300                            addAndStoreSelection(portletConfig, actionRequest, question);
301                    }
302                    else {
303    
304                            // Update question
305    
306                            PollsQuestionServiceUtil.updateQuestion(
307                                    questionId, titleMap, descriptionMap, expirationDateMonth,
308                                    expirationDateDay, expirationDateYear, expirationDateHour,
309                                    expirationDateMinute, neverExpire, choices, serviceContext);
310                    }
311            }
312    
313    }