001/*
002 *  Copyright 2025 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.odf.observation.skill;
017
018import java.util.Map;
019
020import org.ametys.cms.ObservationConstants;
021import org.ametys.cms.data.ContentValue;
022import org.ametys.cms.repository.Content;
023import org.ametys.core.observation.Event;
024
025/**
026 * Observer to store the skills of a content before modification.
027 * When the deleted content is a Program, keep its "skills" in the request to be able to compare them after modification
028 * When the deleted content is a Macro skill, keep its "microSkills" in the request to be able to compare them after modification
029 */
030public class UpdateContentSkillStep1Observer extends AbstractSkillsStepObserver
031{
032    @Override
033    protected String getSupportedEventId()
034    {
035        return ObservationConstants.EVENT_CONTENT_MODIFYING;
036    }
037    
038    public void observe(Event event, Map<String, Object> transientVars) throws Exception
039    {
040        Content content = (Content) event.getArguments().get(ObservationConstants.ARGS_CONTENT);
041        // When still modifying the content, save the skills in the request in order to be able to compare them later
042        ContentValue[] previousSkillsContentValue = _getSkills(content);
043            
044        // Save the skills before modification in the request
045        _setRequestAttribute("previousSkills", content, previousSkillsContentValue);
046    }
047}