001/*
002 *  Copyright 2017 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.userdirectory;
017
018import java.util.ArrayList;
019import java.util.Arrays;
020import java.util.Comparator;
021import java.util.List;
022import java.util.stream.Collectors;
023
024import javax.jcr.Node;
025import javax.jcr.RepositoryException;
026import javax.jcr.Value;
027
028import org.apache.avalon.framework.component.Component;
029import org.apache.avalon.framework.service.ServiceException;
030import org.apache.avalon.framework.service.ServiceManager;
031import org.apache.avalon.framework.service.Serviceable;
032import org.apache.commons.lang.StringUtils;
033
034import org.ametys.cms.data.ContentValue;
035import org.ametys.cms.repository.Content;
036import org.ametys.cms.repository.ContentTypeExpression;
037import org.ametys.cms.repository.LanguageExpression;
038import org.ametys.core.util.LambdaUtils;
039import org.ametys.plugins.repository.AmetysObjectIterable;
040import org.ametys.plugins.repository.AmetysObjectResolver;
041import org.ametys.plugins.repository.AmetysRepositoryException;
042import org.ametys.plugins.repository.UnknownAmetysObjectException;
043import org.ametys.plugins.repository.jcr.JCRAmetysObject;
044import org.ametys.plugins.repository.query.QueryHelper;
045import org.ametys.plugins.repository.query.SortCriteria;
046import org.ametys.plugins.repository.query.expression.AndExpression;
047import org.ametys.plugins.repository.query.expression.Expression;
048import org.ametys.plugins.repository.query.expression.Expression.Operator;
049import org.ametys.plugins.repository.query.expression.MetadataExpression;
050import org.ametys.plugins.repository.query.expression.NotExpression;
051import org.ametys.plugins.repository.query.expression.OrExpression;
052import org.ametys.plugins.repository.query.expression.StringExpression;
053import org.ametys.plugins.repository.query.expression.VirtualFactoryExpression;
054import org.ametys.plugins.userdirectory.page.VirtualOrganisationChartPageFactory;
055import org.ametys.runtime.plugin.component.AbstractLogEnabled;
056import org.ametys.web.repository.page.Page;
057import org.ametys.web.repository.page.PageQueryHelper;
058
059/**
060 * Component providing methods to retrieve organization chart virtual pages, such as the organization chart root and orgUnit page.
061 */
062public class OrganisationChartPageHandler extends AbstractLogEnabled implements Component, Serviceable
063{
064    /** The avalon role. */
065    public static final String ROLE = OrganisationChartPageHandler.class.getName();
066    
067    /** The orgUnit parent attribute name */
068    public static final String PARENT_ORGUNIT_ATTRIBUTE_NAME = "parentOrgUnit";
069    
070    /** The orgUnit child attribute name */
071    public static final String CHILD_ORGUNIT_ATTRIBUTE_NAME = "childOrgUnits";
072    
073    /** The attribute name for orgUnit users repeater */
074    public static final String ORGUNIT_USERS_ATTRIBUTE_NAME = "users";
075    
076    /** The attribute name for orgUnit user in repeater */
077    public static final String ORGUNIT_USER_ATTRIBUTE_NAME = "user";
078    
079    /** The attribute name for orgUnit user role in repeater */
080    public static final String ORGUNIT_USER_ROLE_ATTRIBUTE_NAME = "role";
081    
082    /** The ametys object resolver. */
083    protected AmetysObjectResolver _resolver;
084    
085    @Override
086    public void service(ServiceManager manager) throws ServiceException
087    {
088        _resolver = (AmetysObjectResolver) manager.lookup(AmetysObjectResolver.ROLE);
089    }
090    
091    /**
092     * Get orgUnit contents from rootPage
093     * @param rootPage the root page
094     * @return the list of orgUnit contents
095     */
096    public AmetysObjectIterable<Content> getContentsForRootPage(Page rootPage)
097    {
098        String lang = rootPage.getSitemapName();
099        return getFirstLevelOfContents(lang);
100    }
101    
102    /**
103     * Get orgUnit contents
104     * @param lang the language
105     * @return the list of orgUnit contents at the first level
106     */
107    public AmetysObjectIterable<Content> getFirstLevelOfContents(String lang)
108    {
109        ContentTypeExpression contentTypeExp = new ContentTypeExpression(Operator.EQ, UserDirectoryHelper.ORGUNIT_CONTENT_TYPE);
110        MetadataExpression parentMetadataExpression = new MetadataExpression(PARENT_ORGUNIT_ATTRIBUTE_NAME);
111        OrExpression noParentExpression = new OrExpression(new NotExpression(parentMetadataExpression), new StringExpression(PARENT_ORGUNIT_ATTRIBUTE_NAME, Operator.EQ, ""));
112        
113        Expression finalExpr = new AndExpression(noParentExpression, contentTypeExp, new LanguageExpression(Operator.EQ, lang));
114        
115        SortCriteria sort = new SortCriteria();
116        sort.addCriterion(Content.ATTRIBUTE_TITLE, true, true);
117        
118        String xPathQuery = QueryHelper.getXPathQuery(null, "ametys:content", finalExpr, sort);
119        
120        return _resolver.query(xPathQuery);
121    }
122    
123    /**
124     * True if the page is the organization chart root page
125     * @param jcrPage the page
126     * @return true if the page is the organization chart root page
127     */
128    public boolean isOrganisationChartRootPage (JCRAmetysObject jcrPage)
129    {
130        try
131        {
132            Node node = jcrPage.getNode();
133            
134            if (node.hasProperty(AmetysObjectResolver.VIRTUAL_PROPERTY))
135            {
136                List<Value> values = Arrays.asList(node.getProperty(AmetysObjectResolver.VIRTUAL_PROPERTY).getValues());
137                
138                return values.stream()
139                        .map(LambdaUtils.wrap(Value::getString))
140                        .anyMatch(v -> VirtualOrganisationChartPageFactory.class.getName().equals(v));
141            }
142            else
143            {
144                return false;
145            }
146        }
147        catch (RepositoryException e)
148        {
149            return false;
150        }
151    }
152    
153    /**
154     * Get child orgUnit contents from parentContent
155     * @param parentContent the parent content
156     * @return the list of child orgUnit contents
157     */
158    public List<Content> getChildContents(Content parentContent)
159    {
160        List<Content> contentList = new ArrayList<>();
161
162        ContentValue[] contents = parentContent.getValue(CHILD_ORGUNIT_ATTRIBUTE_NAME);
163        if (contents != null)
164        {
165            for (ContentValue content : contents)
166            {
167                try
168                {
169                    contentList.add(content.getContent());
170                }
171                catch (UnknownAmetysObjectException e)
172                {
173                    getLogger().warn("The parent entity {} ({}) is referencing an unexisting child node '{}'", parentContent.getTitle(), parentContent.getId(), content.getContentId(), e);
174                }
175            }
176        }
177        
178        contentList.sort(
179            Comparator.<Content>comparingLong(
180                c -> c.<Long>getValue("order", false, Long.MAX_VALUE)
181            )
182            .thenComparing(
183                c -> c.getTitle().toLowerCase(),
184                Comparator.naturalOrder()
185            )
186        );
187        
188        return contentList;
189    }
190    
191    /**
192     * Get parent orgUnit content from childContent
193     * @param childContent the child content
194     * @return the parent orgUnit content
195     */
196    public Content getParentContent(Content childContent)
197    {
198        ContentValue content = childContent.getValue(PARENT_ORGUNIT_ATTRIBUTE_NAME);
199        if (content != null)
200        {
201            try
202            {
203                return content.getContent();
204            }
205            catch (UnknownAmetysObjectException e) 
206            {
207                getLogger().warn("There is no parent content with id " + content.getContentId(), e);
208            }
209        }
210        
211        return null;
212    }
213    
214    /**
215     * Get users contents from content
216     * @param content the content
217     * @return the list of user contents
218     */
219    public List<Content> getUserContents(Content content)
220    {
221        List<Content> users = new ArrayList<>();
222        
223        ContentValue[] contents = content.getValue(ORGUNIT_USERS_ATTRIBUTE_NAME + "/" + ORGUNIT_USER_ATTRIBUTE_NAME, true);
224        
225        if (contents != null)
226        {
227            for (ContentValue contentValue : contents)
228            {
229                try
230                {
231                    users.add(contentValue.getContent());
232                }
233                catch (Exception e)
234                {
235                    getLogger().warn("The entity {} ({}) is referencing an unexisting user content node '{}'", content.getTitle(), content.getId(), contentValue.getContentId(), e);
236                }
237            }
238        }
239        
240        return users;
241    }
242    
243    /**
244     * Get the child content. Return null if it not exist
245     * @param parentContent the parent content
246     * @param path the path from the parent content
247     * @return the child content.
248     */
249    public Content getChildFromPath(Content parentContent, String path)
250    {
251        String contentName = path.contains("/") ? StringUtils.substringBefore(path, "/") : path;
252        
253        List<Content> childContents = getChildContents(parentContent);
254        List<Content> contentFilter = childContents.stream().filter(c -> c.getName().equals(contentName)).collect(Collectors.toList());
255        
256        if (!contentFilter.isEmpty())
257        {
258            if (path.contains("/"))
259            {
260                return getChildFromPath(contentFilter.get(0), StringUtils.substringAfter(path, "/"));
261            }
262            else
263            {
264                return contentFilter.get(0);
265            }
266        }
267        
268        return null;
269    }
270    
271    /**
272     * Get the organization chart root page.
273     * @param siteName the current site.
274     * @param sitemapName the sitemap name.
275     * @return the organization chart root page
276     * @throws AmetysRepositoryException if an error occurred.
277     */
278    public Page getOrganisationChartRootPages(String siteName, String sitemapName) throws AmetysRepositoryException
279    {
280        Expression expression = new VirtualFactoryExpression(VirtualOrganisationChartPageFactory.class.getName());
281        
282        String query = PageQueryHelper.getPageXPathQuery(siteName, sitemapName, null, expression, null);
283        
284        AmetysObjectIterable<Page> pages = _resolver.query(query);
285        
286        return pages.iterator().hasNext() ? pages.iterator().next() : null;
287    }
288}