001/*
002 *  Copyright 2026 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;
024import org.ametys.odf.course.Course;
025
026/**
027 * Observer to store the skills of a course by programs before modification.
028 * When the modified content is a Course, keep its "acquiredMicroSkills" in the request to be able to compare them after modification and edit the program property
029 */
030public class IndexProgramMicroSkillsPropertyOnCourseModifiedStep1Observer extends UpdateContentSkillStep1Observer
031{
032    @Override
033    protected boolean supportsContent(Content content)
034    {
035        // Only support Courses
036        return content instanceof Course;
037    }
038    
039    /**
040     * Observe
041     * @implNote Overridden to change the type of saved skills and the request attribute name to avoid conflict
042     */
043    @Override
044    public void observe(Event event, Map<String, Object> transientVars) throws Exception
045    {
046        Course course = (Course) event.getArguments().get(ObservationConstants.ARGS_CONTENT);
047        
048        Map<ContentValue, ContentValue[]> acquiredMicroSkills = course.getAcquiredSkills();
049        
050        // Save the skills before modification in the request
051        _setRequestAttribute("previousAcquiredMicroSkills", course.getId(), acquiredMicroSkills);
052    }
053}