001    /**
002     * Copyright (c) 2000-2013 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.portal.service.impl;
016    
017    import com.liferay.portal.kernel.dao.orm.DynamicQuery;
018    import com.liferay.portal.kernel.dao.orm.DynamicQueryFactoryUtil;
019    import com.liferay.portal.kernel.dao.orm.Property;
020    import com.liferay.portal.kernel.dao.orm.PropertyFactoryUtil;
021    import com.liferay.portal.kernel.exception.SystemException;
022    import com.liferay.portal.kernel.log.Log;
023    import com.liferay.portal.kernel.log.LogFactoryUtil;
024    import com.liferay.portal.kernel.staging.MergeLayoutPrototypesThreadLocal;
025    import com.liferay.portal.kernel.util.AutoResetThreadLocal;
026    import com.liferay.portal.kernel.util.ListUtil;
027    import com.liferay.portal.kernel.util.Validator;
028    import com.liferay.portal.kernel.workflow.WorkflowThreadLocal;
029    import com.liferay.portal.model.Group;
030    import com.liferay.portal.model.GroupConstants;
031    import com.liferay.portal.model.Layout;
032    import com.liferay.portal.model.LayoutConstants;
033    import com.liferay.portal.model.LayoutSet;
034    import com.liferay.portal.model.UserGroup;
035    import com.liferay.portal.model.impl.VirtualLayout;
036    import com.liferay.portal.service.GroupLocalServiceUtil;
037    import com.liferay.portal.service.LayoutLocalServiceUtil;
038    import com.liferay.portal.service.LayoutSetLocalServiceUtil;
039    import com.liferay.portal.service.UserGroupLocalServiceUtil;
040    import com.liferay.portal.util.PropsValues;
041    import com.liferay.portlet.sites.util.SitesUtil;
042    
043    import java.lang.reflect.Method;
044    
045    import java.util.ArrayList;
046    import java.util.Arrays;
047    import java.util.List;
048    
049    import org.aopalliance.intercept.MethodInterceptor;
050    import org.aopalliance.intercept.MethodInvocation;
051    
052    import org.springframework.core.annotation.Order;
053    
054    /**
055     * @author Raymond Aug??
056     * @author Jorge Ferrer
057     */
058    @Order(2)
059    public class LayoutLocalServiceVirtualLayoutsAdvice
060            implements MethodInterceptor {
061    
062            @Override
063            public Object invoke(MethodInvocation methodInvocation) throws Throwable {
064                    if (MergeLayoutPrototypesThreadLocal.isInProgress()) {
065                            return methodInvocation.proceed();
066                    }
067    
068                    Method method = methodInvocation.getMethod();
069    
070                    String methodName = method.getName();
071    
072                    Object[] arguments = methodInvocation.getArguments();
073    
074                    Class<?>[] parameterTypes = method.getParameterTypes();
075    
076                    if (MergeLayoutPrototypesThreadLocal.isMergeComplete(
077                                    method, arguments)) {
078    
079                            return methodInvocation.proceed();
080                    }
081    
082                    boolean workflowEnabled = WorkflowThreadLocal.isEnabled();
083    
084                    if (methodName.equals("getLayout") &&
085                            (Arrays.equals(parameterTypes, _TYPES_L) ||
086                             Arrays.equals(parameterTypes, _TYPES_L_B_L))) {
087    
088                            Layout layout = (Layout)methodInvocation.proceed();
089    
090                            if ((Validator.isNull(layout.getLayoutPrototypeUuid()) &&
091                                     Validator.isNull(layout.getSourcePrototypeLayoutUuid())) ||
092                                    !layout.getLayoutPrototypeLinkEnabled()) {
093    
094                                    return layout;
095                            }
096    
097                            Group group = layout.getGroup();
098                            LayoutSet layoutSet = layout.getLayoutSet();
099    
100                            try {
101                                    MergeLayoutPrototypesThreadLocal.setInProgress(true);
102                                    WorkflowThreadLocal.setEnabled(false);
103    
104                                    SitesUtil.mergeLayoutPrototypeLayout(group, layout);
105    
106                                    if (Validator.isNotNull(
107                                                    layout.getSourcePrototypeLayoutUuid())) {
108    
109                                            SitesUtil.mergeLayoutSetPrototypeLayouts(group, layoutSet);
110                                    }
111                            }
112                            finally {
113                                    MergeLayoutPrototypesThreadLocal.setMergeComplete(
114                                            method, arguments);
115                                    WorkflowThreadLocal.setEnabled(workflowEnabled);
116                            }
117                    }
118                    else if (methodName.equals("getLayouts") &&
119                                     (Arrays.equals(parameterTypes, _TYPES_L_B_L) ||
120                                      Arrays.equals(parameterTypes, _TYPES_L_B_L_B_I_I))) {
121    
122                            long groupId = (Long)arguments[0];
123                            boolean privateLayout = (Boolean)arguments[1];
124                            long parentLayoutId = (Long)arguments[2];
125    
126                            try {
127                                    Group group = GroupLocalServiceUtil.getGroup(groupId);
128    
129                                    LayoutSet layoutSet = LayoutSetLocalServiceUtil.getLayoutSet(
130                                            groupId, privateLayout);
131    
132                                    mergeLayoutSetPrototypeLayouts(
133                                            method, arguments, group, layoutSet, privateLayout,
134                                            workflowEnabled);
135    
136                                    List<Layout> layouts = (List<Layout>)methodInvocation.proceed();
137    
138                                    if (PropsValues.
139                                                    USER_GROUPS_COPY_LAYOUTS_TO_USER_PERSONAL_SITE) {
140    
141                                            return layouts;
142                                    }
143    
144                                    if (group.isUser()) {
145                                            _virtualLayoutTargetGroupId.set(group.getGroupId());
146    
147                                            if (parentLayoutId ==
148                                                            LayoutConstants.DEFAULT_PARENT_LAYOUT_ID) {
149    
150                                                    return addUserGroupLayouts(
151                                                            group, layoutSet, layouts, parentLayoutId);
152                                            }
153                                            else {
154                                                    return addChildUserGroupLayouts(group, layouts);
155                                            }
156                                    }
157                                    else if (group.isUserGroup() &&
158                                                     (parentLayoutId !=
159                                                             LayoutConstants.DEFAULT_PARENT_LAYOUT_ID)) {
160    
161                                            long targetGroupId = _virtualLayoutTargetGroupId.get();
162    
163                                            if (targetGroupId != GroupConstants.DEFAULT_LIVE_GROUP_ID) {
164                                                    Group targetGroup = GroupLocalServiceUtil.getGroup(
165                                                            targetGroupId);
166    
167                                                    return addChildUserGroupLayouts(targetGroup, layouts);
168                                            }
169                                    }
170    
171                                    return layouts;
172                            }
173                            catch (Exception e) {
174                                    _log.error(e, e);
175    
176                                    throw e;
177                            }
178                    }
179    
180                    return methodInvocation.proceed();
181            }
182    
183            protected List<Layout> addChildUserGroupLayouts(
184                            Group group, List<Layout> layouts)
185                    throws Exception {
186    
187                    layouts = ListUtil.copy(layouts);
188    
189                    List<Layout> childLayouts = new ArrayList<Layout>();
190    
191                    for (Layout layout : layouts) {
192                            Layout childLayout = layout;
193    
194                            Group layoutGroup = layout.getGroup();
195    
196                            if (layoutGroup.isUserGroup()) {
197                                    childLayout = new VirtualLayout(layout, group);
198                            }
199    
200                            childLayouts.add(childLayout);
201                    }
202    
203                    return childLayouts;
204            }
205    
206            protected List<Layout> addUserGroupLayouts(
207                            Group group, LayoutSet layoutSet, List<Layout> layouts,
208                            long parentLayoutId)
209                    throws Exception {
210    
211                    layouts = ListUtil.copy(layouts);
212    
213                    List<UserGroup> userUserGroups =
214                            UserGroupLocalServiceUtil.getUserUserGroups(group.getClassPK());
215    
216                    for (UserGroup userGroup : userUserGroups) {
217                            Group userGroupGroup = userGroup.getGroup();
218    
219                            List<Layout> userGroupLayouts = LayoutLocalServiceUtil.getLayouts(
220                                    userGroupGroup.getGroupId(), layoutSet.isPrivateLayout(),
221                                    parentLayoutId);
222    
223                            for (Layout userGroupLayout : userGroupLayouts) {
224                                    Layout virtualLayout = new VirtualLayout(
225                                            userGroupLayout, group);
226    
227                                    layouts.add(virtualLayout);
228                            }
229                    }
230    
231                    return layouts;
232            }
233    
234            protected List<Layout> getPrototypeLinkedLayouts(
235                            long groupId, boolean privateLayout)
236                    throws SystemException {
237    
238                    Class<?> clazz = getClass();
239    
240                    DynamicQuery dynamicQuery = DynamicQueryFactoryUtil.forClass(
241                            Layout.class, clazz.getClassLoader());
242    
243                    Property groupIdProperty = PropertyFactoryUtil.forName("groupId");
244    
245                    dynamicQuery.add(groupIdProperty.eq(groupId));
246    
247                    Property layoutPrototypeUuidProperty = PropertyFactoryUtil.forName(
248                            "layoutPrototypeUuid");
249    
250                    dynamicQuery.add(layoutPrototypeUuidProperty.isNotNull());
251    
252                    Property privateLayoutProperty = PropertyFactoryUtil.forName(
253                            "privateLayout");
254    
255                    dynamicQuery.add(privateLayoutProperty.eq(privateLayout));
256    
257                    Property sourcePrototypeLayoutUuidProperty =
258                            PropertyFactoryUtil.forName("sourcePrototypeLayoutUuid");
259    
260                    dynamicQuery.add(sourcePrototypeLayoutUuidProperty.isNotNull());
261    
262                    return LayoutLocalServiceUtil.dynamicQuery(dynamicQuery);
263            }
264    
265            protected void mergeLayoutSetPrototypeLayouts(
266                    Method method, Object[] arguments, Group group, LayoutSet layoutSet,
267                    boolean privateLayout, boolean workflowEnabled) {
268    
269                    try {
270                            if (!SitesUtil.isLayoutSetMergeable(group, layoutSet)) {
271                                    return;
272                            }
273    
274                            MergeLayoutPrototypesThreadLocal.setInProgress(true);
275                            WorkflowThreadLocal.setEnabled(false);
276    
277                            SitesUtil.mergeLayoutSetPrototypeLayouts(group, layoutSet);
278                    }
279                    catch (Exception e) {
280                            if (_log.isWarnEnabled()) {
281                                    _log.warn("Unable to merge layouts for site template", e);
282                            }
283                    }
284                    finally {
285                            MergeLayoutPrototypesThreadLocal.setMergeComplete(
286                                    method, arguments);
287                            WorkflowThreadLocal.setEnabled(workflowEnabled);
288                    }
289            }
290    
291            private static final Class<?>[] _TYPES_L = {Long.TYPE};
292    
293            private static final Class<?>[] _TYPES_L_B_L = {
294                    Long.TYPE, Boolean.TYPE, Long.TYPE
295            };
296    
297            private static final Class<?>[] _TYPES_L_B_L_B_I_I = {
298                    Long.TYPE, Boolean.TYPE, Long.TYPE, Boolean.TYPE, Integer.TYPE,
299                    Integer.TYPE
300            };
301    
302            private static Log _log = LogFactoryUtil.getLog(
303                    LayoutLocalServiceVirtualLayoutsAdvice.class);
304    
305            private static ThreadLocal<Long> _virtualLayoutTargetGroupId =
306                    new AutoResetThreadLocal<Long>(
307                            LayoutLocalServiceVirtualLayoutsAdvice.class +
308                                    "._virtualLayoutTargetGroupId",
309                            GroupConstants.DEFAULT_LIVE_GROUP_ID);
310    
311    }