001/*
002 *  Copyright 2016 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.page;
017
018import org.apache.avalon.framework.component.Component;
019import org.apache.avalon.framework.logger.AbstractLogEnabled;
020import org.apache.avalon.framework.service.ServiceException;
021import org.apache.avalon.framework.service.ServiceManager;
022import org.apache.avalon.framework.service.Serviceable;
023import org.apache.commons.lang.StringUtils;
024
025import org.ametys.cms.repository.Content;
026import org.ametys.plugins.repository.AmetysObjectResolver;
027import org.ametys.plugins.repository.UnknownAmetysObjectException;
028import org.ametys.plugins.repository.metadata.CompositeMetadata;
029import org.ametys.plugins.repository.metadata.UnknownMetadataException;
030import org.ametys.plugins.userdirectory.UserDirectoryPageHandler;
031import org.ametys.web.repository.page.Page;
032
033/**
034 * Resolves an user directory page path from the associated user content.
035 */
036public class UserDirectoryPageResolver extends AbstractLogEnabled implements Component, Serviceable
037{
038    /** The avalon role. */
039    public static final String ROLE = UserDirectoryPageResolver.class.getName();
040    
041    /** The ametys object resolver. */
042    protected AmetysObjectResolver _ametysResolver;
043    /** The user directory page handler */
044    protected UserDirectoryPageHandler _pageHandler;
045    
046    
047    @Override
048    public void service(ServiceManager serviceManager) throws ServiceException
049    {
050        _ametysResolver = (AmetysObjectResolver) serviceManager.lookup(AmetysObjectResolver.ROLE);
051        _pageHandler = (UserDirectoryPageHandler) serviceManager.lookup(UserDirectoryPageHandler.ROLE);
052    }
053    
054    /**
055     * Return the user page
056     * @param userContent the user page content
057     * @param siteName The current site name.
058     * @param contentTypeId the content type id
059     * @return the user page or null
060     */
061    public UserPage getUserPage(Content userContent, String siteName, String contentTypeId)
062    {
063        Page userDirectoryRootPage = _pageHandler.getUserDirectoryRootPage(siteName, userContent.getLanguage(), contentTypeId);
064        
065        if (userDirectoryRootPage == null)
066        {
067            return null;
068        }
069        
070        return getUserPage(userDirectoryRootPage, userContent);
071    }
072    
073    /**
074     * Return the user page
075     * @param userDirectoryRootPage the user directory root page
076     * @param userContent the user content
077     * @return the user page or null
078     */
079    public UserPage getUserPage(Page userDirectoryRootPage, Content userContent)
080    {
081        try
082        {
083            // E.g: uduser://path?rootId=...&contentId=...
084            String userPath = _getUserPath(userDirectoryRootPage, userContent);
085            String pageId =  "uduser://" + userPath + "?rootId=" + userDirectoryRootPage.getId() + "&contentId=" + userContent.getId();
086            return _ametysResolver.resolveById(pageId);
087        }
088        catch (UnknownAmetysObjectException e)
089        {
090            return null;
091        }
092    }
093    
094    /**
095     * Get the path of a user content
096     * @param userDirectoryRootPage The user directory root page where to look into
097     * @param userContent The user content
098     * @return The path
099     * @throws UnknownMetadataException if user page does not exist
100     */
101    private String _getUserPath(Page userDirectoryRootPage, Content userContent) throws UnknownMetadataException
102    {
103        int depth = _pageHandler.getDepth(userDirectoryRootPage);
104        String metadataPath = _pageHandler.getClassificationMetadata(userDirectoryRootPage);
105        
106        String[] pathSegments = metadataPath.split("/");
107        CompositeMetadata metadataHolder = userContent.getMetadataHolder();
108        
109        for (int i = 0;  i < pathSegments.length - 1; i++)
110        {
111            metadataHolder = metadataHolder.getCompositeMetadata(pathSegments[i]);
112        }
113        
114        String metadataName = pathSegments[pathSegments.length - 1];
115        
116        String title = metadataHolder.getString(metadataName);
117        if (title.length() <= depth)
118        {
119            depth = title.length() - 1;
120        }
121        
122        String path = "";
123        for (int i = 0; i < depth; i++)
124        {
125            String pageName = StringUtils.lowerCase(title.substring(i, i + 1));
126            path += StringUtils.isNumeric(pageName) ? "page-" + pageName : pageName;
127            if (i != depth - 1)
128            {
129                path += "/";
130            }
131        }
132        
133        return path;
134    }
135}