org.ow2.bonita.facade.runtime.command.WebGetLightProcessInstancesFromInvolvedUsers Maven / Gradle / Ivy

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/**
 * Copyright (C) 2009  BonitaSoft S.A.
 * BonitaSoft, 31 rue Gustave Eiffel - 38000 Grenoble
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation
 * version 2.1 of the License.
 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
 * Floor, Boston, MA  02110-1301, USA.
 **/
package org.ow2.bonita.facade.runtime.command;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import org.ow2.bonita.env.Environment;
import org.ow2.bonita.facade.APIAccessor;
import org.ow2.bonita.facade.ManagementAPI;
import org.ow2.bonita.facade.QueryRuntimeAPI;
import org.ow2.bonita.facade.impl.StandardAPIAccessorImpl;
import org.ow2.bonita.facade.privilege.PrivilegePolicy;
import org.ow2.bonita.facade.privilege.Rule;
import org.ow2.bonita.facade.privilege.Rule.RuleType;
import org.ow2.bonita.facade.uuid.ProcessDefinitionUUID;
import org.ow2.bonita.light.LightProcessInstance;
import org.ow2.bonita.util.AccessorUtil;
import org.ow2.bonita.util.Command;

public class WebGetLightProcessInstancesFromInvolvedUsers implements Command> {

	private static final long serialVersionUID = 6841540520107266785L;
	private String userId;
  private final Collection roleUUIDs;
  private final Collection groupUUIDs;
  private final Collection membershipUUIDs;
  private final String username;
  private int fromIndex;
  private int pageSize;
	private boolean searchInHistory;

	/**
	 * Default constructor.
	 * 
	 * @param userId
	 * @param userName 
	 * @param userMemberships 
	 * @param userGroups 
	 * @param userRoles 
	 * @param fromIndex
	 * @param pageSize
	 */
	public WebGetLightProcessInstancesFromInvolvedUsers(String userId, Set roleUUIDs, Set groupUUIDs, Set membershipUUIDs, String username, int fromIndex, int pageSize, boolean searchInHistory) {
	  this.userId = userId;
    this.roleUUIDs = roleUUIDs;
    this.groupUUIDs = groupUUIDs;
    this.membershipUUIDs = membershipUUIDs;
    this.username = username;
    this.fromIndex = fromIndex;
    this.pageSize = pageSize;
		this.searchInHistory = searchInHistory;
	}

	public List execute(Environment environment) throws Exception {
		final APIAccessor accessor = new StandardAPIAccessorImpl();
		final QueryRuntimeAPI queryRuntimeAPI;
		if(this.searchInHistory) {
			queryRuntimeAPI = accessor.getQueryRuntimeAPI(AccessorUtil.QUERYLIST_HISTORY_KEY);
		} else {
			queryRuntimeAPI = accessor.getQueryRuntimeAPI(AccessorUtil.QUERYLIST_JOURNAL_KEY);
		}
		
		final ManagementAPI managementAPI = accessor.getManagementAPI();
    
    List applicableRules = new ArrayList();
    Set exceptions = new HashSet();
    applicableRules = managementAPI.getApplicableRules(RuleType.PROCESS_READ, userId, roleUUIDs, groupUUIDs, membershipUUIDs, username);
    for (Rule rule : applicableRules) {
      exceptions.addAll(rule.getItems());
    }

    Set processUUIDs = new HashSet();
    for (String processUUID : exceptions) {
      processUUIDs.add(new ProcessDefinitionUUID(processUUID));
    }
    PrivilegePolicy processStartPolicy = managementAPI.getRuleTypePolicy(RuleType.PROCESS_READ);
    switch (processStartPolicy) {
    case ALLOW_BY_DEFAULT:
      // The exceptions are the processes the entity cannot see.
      if (processUUIDs != null && !processUUIDs.isEmpty()) {
        List result;
        result = queryRuntimeAPI.getLightParentProcessInstancesWithInvolvedUserExcept(username, fromIndex, pageSize, processUUIDs);
        return result;
      } else {
        List result;
        result = queryRuntimeAPI.getLightParentProcessInstancesWithInvolvedUser(username, fromIndex, pageSize);
        return result;
      }

    case DENY_BY_DEFAULT:
      // The exceptions are the processes the entity can see.
      if (processUUIDs.size() > 0) {
        List result;
        result = queryRuntimeAPI.getLightParentProcessInstancesWithInvolvedUser(username, fromIndex, pageSize, processUUIDs);
        return result;
      } else {
        return Collections.emptyList();
      }
    default:
      throw new IllegalArgumentException();
    }
    
		
	}

}