/**
    * Copyright 2012 The Kuali Foundation Licensed under the
    * Educational Community License, Version 2.0 (the "License"); you may
    * not use this file except in compliance with the License. You may
    * obtain a copy of the License at
    *
    * http://www.osedu.org/licenses/ECL-2.0
    *
    * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an "AS IS"
   * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
   * or implied. See the License for the specific language governing
   * permissions and limitations under the License.
   *
   * Created by bobhurt on 10/31/12
   */
  package org.kuali.student.common.kitchensink;
  
  import org.kuali.rice.core.api.criteria.Predicate;
  import org.kuali.rice.core.api.criteria.PredicateFactory;
  import org.kuali.rice.core.api.criteria.QueryByCriteria;
  import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;
  import org.kuali.rice.krad.lookup.LookupForm;
  import org.kuali.rice.krad.lookup.LookupableImpl;
  import org.kuali.student.common.util.security.ContextUtils;
  import org.kuali.student.r2.core.constants.PopulationServiceConstants;
  import org.kuali.student.r2.core.population.dto.PopulationInfo;
  import org.kuali.student.r2.core.population.service.PopulationService;
  
  import javax.xml.namespace.QName;
  import java.util.ArrayList;
  import java.util.List;
  import java.util.Map;
  
  /**
   * This class performs a search on the name & description properties in Populations
   *
   * @author Kuali Student Team
   */
  public class KitchenSinkPopulationInfoLookupableImpl extends LookupableImpl {
  
      private transient PopulationService populationService;
  
      protected List<?> getSearchResults(LookupForm lookupForm, Map<String, String> fieldValues, boolean unbounded) {
          // build query criteria
          String keyword = fieldValues.get("keyword");
          keyword = keyword.isEmpty() ? "*" : keyword; //search for all if empty
          List<Predicate> predicates = new ArrayList<Predicate>();
          predicates.add(PredicateFactory.or(PredicateFactory.like("name", "%" + keyword + "%"),
                  PredicateFactory.like("descrPlain", "%" + keyword + "%")));
          QueryByCriteria.Builder qbcBuilder = QueryByCriteria.Builder.create();
          qbcBuilder.setPredicates(predicates.toArray(new Predicate[predicates.size()]));
          QueryByCriteria qbc = qbcBuilder.build();
  
          // perform population search using criteria
          List<PopulationInfo> populationInfoList;
          try {
              populationInfoList =
                      getPopulationService().searchForPopulations(qbc, ContextUtils.createDefaultContextInfo());
          }
          catch (Exception e) {
              throw new RuntimeException(e);
          }
  
          return populationInfoList;
      }
  
  
      private PopulationService getPopulationService() {
          if (populationService == null) {
              populationService = (PopulationService)GlobalResourceLoader
                      .getService(new QName(PopulationServiceConstants.NAMESPACE, "PopulationService"));
          }
          return populationService;
      }
  
      /**
       * Determines if given data object has associated maintenance document that allows new or copy
       * maintenance
       * actions
       *
       * @return boolean true if the maintenance new or copy action is allowed for the data object instance, false
       *         otherwise
       */
      @Override
      public boolean allowsMaintenanceNewOrCopyAction() {
          // maintenance new or copy action not allowed
          return false;
      }
  
      /**
       * Determines if given data object has associated maintenance document that allows delete maintenance
       * actions.
       *
       * @return boolean true if the maintenance delete action is allowed for the data object instance, false otherwise
       */
      @Override
      public boolean allowsMaintenanceDeleteAction(Object dataObject) {
          // maintenance delete action not allowed
         return false;
     }
 }