content: // Licensed to the Apache Software Foundation (ASF) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The ASF licenses this file
  // to you under the Apache 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.apache.org/licenses/LICENSE-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.
  package com.cloud.event.dao;
  
  import java.lang.reflect.InvocationTargetException;
  import java.lang.reflect.Method;
  import java.util.List;
  
  import javax.inject.Inject;
  
  import org.apache.cloudstack.api.ApiCommandResourceType;
  import org.apache.cloudstack.api.Identity;
  import org.apache.cloudstack.api.response.EventResponse;
  import org.apache.commons.lang3.ObjectUtils;
  import org.apache.commons.lang3.StringUtils;
  import org.springframework.stereotype.Component;
  
  import com.cloud.api.ApiResponseHelper;
  import com.cloud.api.query.vo.EventJoinVO;
  import com.cloud.event.Event;
  import com.cloud.event.Event.State;
  import com.cloud.utils.db.EntityManager;
  import com.cloud.utils.db.Filter;
  import com.cloud.utils.db.GenericDaoBase;
  import com.cloud.utils.db.SearchBuilder;
  import com.cloud.utils.db.SearchCriteria;
  
  @Component
  public class EventJoinDaoImpl extends GenericDaoBase<EventJoinVO, Long> implements EventJoinDao {
  
      private SearchBuilder<EventJoinVO> vrSearch;
  
      private SearchBuilder<EventJoinVO> vrIdSearch;
  
      private SearchBuilder<EventJoinVO> CompletedEventSearch;
  
      @Inject
      EntityManager entityMgr;
  
      private String getResourceName(Object obj) {
          String[] possibleMethods = {"getDisplayName", "getDisplayText", "getHostName", "getName", "getAccountName", "getUsername"};
          for (String possibleMethodName : possibleMethods) {
              try {
                  Method m = obj.getClass().getMethod(possibleMethodName);
                  String name = (String)m.invoke(obj);
                  if (StringUtils.isEmpty(name)) {
                      continue;
                  }
                  return name;
              } catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException ignored) {}
          }
          return null;
      }
  
      protected EventJoinDaoImpl() {
  
          vrSearch = createSearchBuilder();
          vrSearch.and("idIN", vrSearch.entity().getId(), SearchCriteria.Op.IN);
          vrSearch.done();
  
          vrIdSearch = createSearchBuilder();
          vrIdSearch.and("id", vrIdSearch.entity().getId(), SearchCriteria.Op.EQ);
          vrIdSearch.done();
  
          CompletedEventSearch = createSearchBuilder();
          CompletedEventSearch.and("state", CompletedEventSearch.entity().getState(), SearchCriteria.Op.EQ);
          CompletedEventSearch.and("startId", CompletedEventSearch.entity().getStartId(), SearchCriteria.Op.EQ);
          CompletedEventSearch.done();
  
          this._count = "select count(distinct id) from event_view WHERE ";
      }
  
      @Override
      public List<EventJoinVO> searchAllEvents(SearchCriteria<EventJoinVO> sc, Filter filter) {
          return listIncludingRemovedBy(sc, filter);
      }
  
      @Override
      public EventJoinVO findCompletedEvent(long startId) {
          SearchCriteria<EventJoinVO> sc = CompletedEventSearch.create();
          sc.setParameters("state", State.Completed);
          sc.setParameters("startId", startId);
          return findOneIncludingRemovedBy(sc);
      }
  
      @Override
      public EventResponse newEventResponse(EventJoinVO event) {
          EventResponse responseEvent = new EventResponse();
          responseEvent.setCreated(event.getCreateDate());
          responseEvent.setDescription(event.getDescription());
          responseEvent.setEventType(event.getType());
          responseEvent.setId(event.getUuid());
          responseEvent.setLevel(event.getLevel());
          responseEvent.setParentId(event.getStartUuid());
          responseEvent.setState(event.getState());
          responseEvent.setUsername(event.getUserName());
          if (event.getArchived()) {
              responseEvent.setArchived(true);
          }
          Long resourceId = event.getResourceId();
          responseEvent.setResourceType(event.getResourceType());
          ApiCommandResourceType resourceType = ApiCommandResourceType.fromString(event.getResourceType());
          Class<?> clazz = resourceType != null ? resourceType.getAssociatedClass() : null;
          if (ObjectUtils.allNotNull(resourceId, clazz) && entityMgr.validEntityType(clazz)) {
              final Object objVO = entityMgr.findByIdIncludingRemoved(clazz, resourceId);
              if (objVO instanceof Identity) {
                  responseEvent.setResourceId(((Identity)objVO).getUuid());
              }
              if (objVO != null) {
                  responseEvent.setResourceName(getResourceName(objVO));
              }
          }
          ApiResponseHelper.populateOwner(responseEvent, event);
          responseEvent.setObjectName("event");
          return responseEvent;
      }
  
      @Override
      public List<EventJoinVO> searchByIds(Long... ids) {
          // return empty collection if there are no ids.
          if (ids.length == 0) {
              return List.of();
          }
          SearchCriteria<EventJoinVO> sc = vrSearch.create();
          sc.setParameters("idIN", ids);
          return searchIncludingRemoved(sc, null, null, false);
      }
  
      @Override
      public EventJoinVO newEventView(Event vr) {
  
          SearchCriteria<EventJoinVO> sc = vrIdSearch.create();
          sc.setParameters("id", vr.getId());
          List<EventJoinVO> vms = searchIncludingRemoved(sc, null, null, false);
          assert vms != null && vms.size() == 1 : "No event found for event id " + vr.getId();
          return vms.get(0);
  
      }
  
  }
  