001    /**
002     * Copyright 2012 The Kuali Foundation Licensed under the
003     * Educational Community License, Version 2.0 (the "License"); you may
004     * not use this file except in compliance with the License. You may
005     * obtain a copy of the License at
006     *
007     * http://www.osedu.org/licenses/ECL-2.0
008     *
009     * Unless required by applicable law or agreed to in writing,
010     * software distributed under the License is distributed on an "AS IS"
011     * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
012     * or implied. See the License for the specific language governing
013     * permissions and limitations under the License.
014     *
015     */
016    package org.kuali.student.enrollment.class2.courseoffering.service.impl;
017    
018    import org.apache.commons.lang.StringUtils;
019    import org.kuali.rice.core.api.criteria.Predicate;
020    import org.kuali.rice.core.api.criteria.PredicateFactory;
021    import org.kuali.rice.core.api.criteria.QueryByCriteria;
022    import org.kuali.rice.krad.lookup.LookupableImpl;
023    import org.kuali.rice.krad.web.form.LookupForm;
024    import org.kuali.student.enrollment.class2.courseoffering.util.ActivityOfferingConstants;
025    import org.kuali.student.enrollment.class2.courseoffering.util.CourseOfferingResourceLoader;
026    import org.kuali.student.enrollment.common.util.ContextBuilder;
027    import org.kuali.student.enrollment.courseoffering.dto.ActivityOfferingInfo;
028    import org.kuali.student.enrollment.courseoffering.service.CourseOfferingService;
029    import org.kuali.student.r2.common.dto.ContextInfo;
030    import org.kuali.student.r2.common.exceptions.*;
031    
032    import java.util.*;
033    
034    /**
035     * This class //TODO ...
036     *
037     * @author Kuali Student Team
038     */
039    public class ActivityOfferingLookupableImpl extends LookupableImpl {
040    
041        @Override
042        protected List<?> getSearchResults(LookupForm lookupForm, Map<String, String> fieldValues, boolean unbounded) {
043            List<ActivityOfferingInfo> activityOfferingInfos = new ArrayList<ActivityOfferingInfo>();
044    
045            try {
046                if(hasCriteria(fieldValues)){
047                    QueryByCriteria qbc = buildQueryByCriteria(fieldValues);
048                    activityOfferingInfos = getCourseOfferingService().searchForActivityOfferings(qbc, getContextInfo());
049                }
050            } catch (Exception e) {
051               throw new RuntimeException(e);
052            }
053    
054            return activityOfferingInfos;
055        }
056    
057        private QueryByCriteria buildQueryByCriteria(Map<String, String> fieldValues){
058            String aoId = fieldValues.get(ActivityOfferingConstants.ACTIVITYOFFERING_ID);
059    
060            List<Predicate> predicates = new ArrayList<Predicate>();
061            if (StringUtils.isNotBlank(aoId)) {
062                predicates.add(PredicateFactory.equalIgnoreCase("id", aoId));
063            }
064    
065            QueryByCriteria.Builder qbcBuilder = QueryByCriteria.Builder.create();
066            qbcBuilder.setPredicates(predicates.toArray(new Predicate[predicates.size()]));
067            QueryByCriteria qbc = qbcBuilder.build();
068    
069            return qbc;
070        }
071    
072        private boolean hasCriteria(Map<String, String> fieldValues){
073            return StringUtils.isNotBlank(fieldValues.get(ActivityOfferingConstants.ACTIVITYOFFERING_ID));
074        }
075    
076        public CourseOfferingService getCourseOfferingService() {
077            return CourseOfferingResourceLoader.loadCourseOfferingService();
078        }
079    
080        public ContextInfo getContextInfo() {
081            return ContextBuilder.loadContextInfo();
082        }
083    }