org.camunda.bpm.engine.impl.persistence.entity.HistoricStatisticsManager Maven / Gradle / Ivy

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/*
 * Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
 * under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright
 * ownership. Camunda licenses this file to you under the Apache License,
 * Version 2.0; 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 org.camunda.bpm.engine.impl.persistence.entity;

import static org.camunda.bpm.engine.authorization.Permissions.READ_HISTORY;
import static org.camunda.bpm.engine.authorization.Resources.PROCESS_DEFINITION;

import java.util.ArrayList;
import java.util.List;
import org.camunda.bpm.engine.history.HistoricActivityStatistics;
import org.camunda.bpm.engine.history.HistoricCaseActivityStatistics;
import org.camunda.bpm.engine.impl.HistoricActivityStatisticsQueryImpl;
import org.camunda.bpm.engine.impl.HistoricCaseActivityStatisticsQueryImpl;
import org.camunda.bpm.engine.impl.Page;
import org.camunda.bpm.engine.impl.interceptor.CommandContext;
import org.camunda.bpm.engine.impl.persistence.AbstractManager;

/**
 *
 * @author Roman Smirnov
 *
 */
public class HistoricStatisticsManager extends AbstractManager {

  @SuppressWarnings("unchecked")
  public List getHistoricStatisticsGroupedByActivity(HistoricActivityStatisticsQueryImpl query, Page page) {
    if (ensureHistoryReadOnProcessDefinition(query)) {
      return getDbEntityManager().selectList("selectHistoricActivityStatistics", query, page);
    }
    else {
      return new ArrayList();
    }
  }

  public long getHistoricStatisticsCountGroupedByActivity(HistoricActivityStatisticsQueryImpl query) {
    if (ensureHistoryReadOnProcessDefinition(query)) {
      return (Long) getDbEntityManager().selectOne("selectHistoricActivityStatisticsCount", query);
    }
    else {
      return 0;
    }
  }

  @SuppressWarnings("unchecked")
  public List getHistoricStatisticsGroupedByCaseActivity(HistoricCaseActivityStatisticsQueryImpl query, Page page) {
    return getDbEntityManager().selectList("selectHistoricCaseActivityStatistics", query, page);
  }

  public long getHistoricStatisticsCountGroupedByCaseActivity(HistoricCaseActivityStatisticsQueryImpl query) {
    return (Long) getDbEntityManager().selectOne("selectHistoricCaseActivityStatisticsCount", query);
  }

  protected boolean ensureHistoryReadOnProcessDefinition(HistoricActivityStatisticsQueryImpl query) {
    CommandContext commandContext = getCommandContext();

    if(isAuthorizationEnabled() && getCurrentAuthentication() != null && commandContext.isAuthorizationCheckEnabled()) {
      String processDefinitionId = query.getProcessDefinitionId();
      ProcessDefinitionEntity definition = getProcessDefinitionManager().findLatestProcessDefinitionById(processDefinitionId);

      if (definition == null) {
        return false;
      }

      return getAuthorizationManager().isAuthorized(READ_HISTORY, PROCESS_DEFINITION, definition.getKey());
    }

    return true;
  }

}