001/*
002 *  Copyright 2024 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.web;
017
018import java.util.Set;
019import java.util.regex.Matcher;
020import java.util.regex.Pattern;
021
022/**
023 * Helper for contexts.
024 */
025public class AmetysContextHelper extends org.ametys.core.AmetysContextHelper
026{
027    private static final Pattern _SITES_CONTEXT_PATTERN = Pattern.compile("^/sites/(.+)$");
028    private static final Pattern _SITES_FO_CONTEXT_PATTERN = Pattern.compile("^/sites-fo/(.+)$");
029    
030    private static final String _SITES_CONTEXT_PREFIX = "/sites/";
031    private static final String _SITES_FO_CONTEXT_PREFIX = "/sites-fo/";
032    
033    @Override
034    public boolean areRelated(Set<String> contextsSet1, Set<String> contextsSet2)
035    {
036        // The two sets are acquainted if at least one context, or its complementary, is in both sets
037        return contextsSet1.stream()
038                           .anyMatch(context -> contextsSet2.contains(context)
039                                             || contextsSet2.contains(getSiteComplementaryContext(context)));
040    }
041    
042    @Override
043    public boolean isRelatedWithContext(Set<String> setOfContexts, String contextToCheck)
044    {
045        return setOfContexts != null
046            // True if the set contains the context or its complementary context
047            && (setOfContexts.contains(contextToCheck)
048                    || setOfContexts.contains(getSiteComplementaryContext(contextToCheck)));
049    }
050    
051    /**
052     * Get the complementary context of a context
053     * @param context The context
054     * @return The site complementary context
055     */
056    public static String getSiteComplementaryContext(String context)
057    {
058        Matcher matcher = _SITES_CONTEXT_PATTERN.matcher(context);
059        if (matcher.matches())
060        {
061            String siteName = matcher.group(1);
062            return _SITES_FO_CONTEXT_PREFIX + siteName;
063        }
064        else
065        {
066            matcher = _SITES_FO_CONTEXT_PATTERN.matcher(context);
067            if (matcher.matches())
068            {
069                String siteName = matcher.group(1);
070                return  _SITES_CONTEXT_PREFIX + siteName;
071            }
072        }
073        
074        return null;
075    }
076}