RoleModuleDAOImpl.java

/**
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (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.mozilla.org/MPL/ 
* 
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations under
* the License.
* 
* The Original Code is OpenELIS code.
* 
* Copyright (C) The Minnesota Department of Health.  All Rights Reserved.
*  
* Contributor(s): CIRG, University of Washington, Seattle WA.
*/
package us.mn.state.health.lims.systemusermodule.daoimpl;

import org.apache.commons.beanutils.PropertyUtils;
import org.hibernate.HibernateException;
import org.hibernate.Query;
import us.mn.state.health.lims.audittrail.dao.AuditTrailDAO;
import us.mn.state.health.lims.audittrail.daoimpl.AuditTrailDAOImpl;
import us.mn.state.health.lims.common.action.IActionConstants;
import us.mn.state.health.lims.common.daoimpl.BaseDAOImpl;
import us.mn.state.health.lims.common.exception.LIMSDuplicateRecordException;
import us.mn.state.health.lims.common.exception.LIMSRuntimeException;
import us.mn.state.health.lims.common.log.LogEvent;
import us.mn.state.health.lims.common.util.StringUtil;
import us.mn.state.health.lims.common.util.SystemConfiguration;
import us.mn.state.health.lims.hibernate.HibernateUtil;
import us.mn.state.health.lims.systemusermodule.dao.PermissionAgentModuleDAO;
import us.mn.state.health.lims.systemusermodule.valueholder.PermissionModule;
import us.mn.state.health.lims.systemusermodule.valueholder.RoleModule;
import us.mn.state.health.lims.userrole.dao.UserRoleDAO;
import us.mn.state.health.lims.userrole.daoimpl.UserRoleDAOImpl;

import java.math.BigInteger;
import java.util.List;

/**
 *  
 */
public class RoleModuleDAOImpl extends BaseDAOImpl implements PermissionAgentModuleDAO {

	public void deleteData(List roleModules) throws LIMSRuntimeException {
		//add to audit trail
		try {
			AuditTrailDAO auditDAO = new AuditTrailDAOImpl();
			for (int i = 0; i < roleModules.size(); i++) {
				RoleModule data = (RoleModule)roleModules.get(i);
			
				RoleModule oldData = readRoleModule(data.getId());
				RoleModule newData = new RoleModule();

				String sysUserId = data.getSysUserId();
				String event = IActionConstants.AUDIT_TRAIL_DELETE;
				String tableName = "SYSTEM_ROLE_MODULE";
				auditDAO.saveHistory(newData,oldData,sysUserId,event,tableName);
			}
		}  catch (Exception e) {
			LogEvent.logError("RoleModuleDAOImpl","AuditTrail deleteData()",e.toString());
			throw new LIMSRuntimeException("Error in RoleModule AuditTrail deleteData()", e);
		}  
		
		try {					
			for (int i = 0; i < roleModules.size(); i++) {
				RoleModule data = (RoleModule) roleModules.get(i);
				data = readRoleModule(data.getId());
				HibernateUtil.getSession().delete(data);
				HibernateUtil.getSession().flush();
				HibernateUtil.getSession().clear();
			}						
		} catch (Exception e) {
			LogEvent.logError("RoleModuleDAOImpl","deleteData()",e.toString());
			throw new LIMSRuntimeException("Error in RoleModule deleteData()", e);
		}
	}

	public boolean insertData(PermissionModule permissionModule) throws LIMSRuntimeException {	
		
		try {
			if (duplicateRoleModuleExists((RoleModule)permissionModule)) {
				throw new LIMSDuplicateRecordException("Duplicate record exists for " + permissionModule.getPermissionAgentId());
			}
			
			String id = (String)HibernateUtil.getSession().save(permissionModule);
			permissionModule.setId(id);
			
			//add to audit trail
			AuditTrailDAO auditDAO = new AuditTrailDAOImpl();
			String sysUserId = permissionModule.getSysUserId();
			String tableName = "SYSTEM_ROLE_MODULE";
			auditDAO.saveNewHistory(permissionModule,sysUserId,tableName);			
			
			HibernateUtil.getSession().flush();	
			HibernateUtil.getSession().clear();
		} catch (Exception e) {
			LogEvent.logError("RoleModuleDAOImpl","insertData()",e.toString());
			throw new LIMSRuntimeException("Error in RoleModule insertData()", e);
		} 
		
		return true;
	}

	public void updateData(PermissionModule roleModule) throws LIMSRuntimeException {
	
		try {
			if (duplicateRoleModuleExists((RoleModule)roleModule)) {
				throw new LIMSDuplicateRecordException("Duplicate record exists for " + roleModule.getPermissionAgentId());
			}
		} catch (Exception e) {
			LogEvent.logError("RoleModuleDAOImpl","updateData()",e.toString());
			throw new LIMSRuntimeException("Error in RoleModule updateData()", e);
		}			
			
		RoleModule oldData = readRoleModule(roleModule.getId());
		RoleModule newData = (RoleModule)roleModule;

		//add to audit trail
		try {
			AuditTrailDAO auditDAO = new AuditTrailDAOImpl();
			String sysUserId = roleModule.getSysUserId();
			String event = IActionConstants.AUDIT_TRAIL_UPDATE;
			String tableName = "SYSTEM_ROLE_MODULE";
			auditDAO.saveHistory(newData,oldData,sysUserId,event,tableName);
		}  catch (Exception e) {
			LogEvent.logError("RoleModuleDAOImpl","AuditTrail updateData()",e.toString());
			throw new LIMSRuntimeException("Error in RoleModule AuditTrail updateData()", e);
		}  
		
		try {			
			HibernateUtil.getSession().merge(roleModule);
			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();
			HibernateUtil.getSession().evict(roleModule);
			HibernateUtil.getSession().refresh(roleModule);
		} catch (Exception e) {
			LogEvent.logError("RoleModuleDAOImpl","updateData()",e.toString());
			throw new LIMSRuntimeException("Error in RoleModule updateData()", e);
		} 
	}

	public void getData(PermissionModule systemUserModule) throws LIMSRuntimeException {	
		try {					
			RoleModule sysUserModule = (RoleModule)HibernateUtil.getSession().get(RoleModule.class, systemUserModule.getId());
			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();
			if (sysUserModule != null) {
			  PropertyUtils.copyProperties(systemUserModule, sysUserModule);
			} else {
				systemUserModule.setId(null);
			}
		} catch (Exception e) {
			LogEvent.logError("RoleModuleDAOImpl","getData()",e.toString());
			throw new LIMSRuntimeException("Error in RoleModule getData()", e);
		}
	}

	public List getAllPermissionModules() throws LIMSRuntimeException {		
		List list;
		try {
			String sql = "from RoleModule";
			org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql);
			list = query.list();
			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();
		} catch(Exception e) {
			LogEvent.logError("RoleModuleDAOImpl","getAllSystemModules()",e.toString());
			throw new LIMSRuntimeException("Error in RoleModule getAllSystemModules()", e);
		} 

		return list;
	}

	public List getAllPermissionModulesByAgentId(int systemUserId) throws LIMSRuntimeException {		
		List list;
		try {
			String sql = "from RoleModule s where s.role.id = :param";
			org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql);
			query.setParameter("param", systemUserId);
			list = query.list();
			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();
		} catch(Exception e) {
			LogEvent.logError("RoleModuleDAOImpl","getAllRoleModulesBySystemUserId()",e.toString());
			throw new LIMSRuntimeException("Error in RoleModule getAllRoleModulesBySystemUserId()", e);
		} 	
	
		return list;
	}
	
	public List getPageOfPermissionModules(int startingRecNo) throws LIMSRuntimeException {		
		List list;
		try {			
			// calculate maxRow to be one more than the page size
			int endingRecNo = startingRecNo + (SystemConfiguration.getInstance().getDefaultPageSize() + 1);
			
			String sql = "from RoleModule s order by s.role.id";
			org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql);
			query.setFirstResult(startingRecNo-1);
			query.setMaxResults(endingRecNo-1); 
			
			list = query.list();
			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();
		} catch (Exception e) {
			LogEvent.logError("RoleModuleDAOImpl","getPageOfRoleModules()",e.toString());
			throw new LIMSRuntimeException("Error in RoleModule getPageOfRoleModules()", e);
		} 
		
		return list;
	}

	public RoleModule readRoleModule(String idString) {		
		RoleModule sysUserModule;
		try {			
			sysUserModule = (RoleModule)HibernateUtil.getSession().get(RoleModule.class, idString);
			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();
		} catch (Exception e) {
			LogEvent.logError("RoleModuleDAOImpl","readRoleModule()",e.toString());
			throw new LIMSRuntimeException("Error in Gender readRoleModule(idString)", e);
		}			
		
		return sysUserModule;
	}

    public RoleModule getRoleModuleByRoleAndModuleId(String roleId, String moduleId){
        String sql = "From RoleModule rm where rm.systemModule.id = :moduleId and rm.role.id = :roleId";

        try{
            Query query = HibernateUtil.getSession().createQuery( sql );
            query.setInteger( "moduleId", Integer.parseInt( moduleId ) );
            query.setInteger( "roleId", Integer.parseInt( roleId ) );
            List<RoleModule> modules = query.list();
            closeSession();
            return modules.isEmpty() ? new RoleModule() : modules.get( 0 );
        }catch( HibernateException he ){
            handleException( he, "getRoleModuleByRoleAndModuleId" );
        }

        return null;
    }
	public List getNextPermissionModuleRecord(String id) throws LIMSRuntimeException {

		return getNextRecord(id, "RoleModule", RoleModule.class);
	}

	public List getPreviousPermissionModuleRecord(String id) throws LIMSRuntimeException {

		return getPreviousRecord(id, "RoleModule", RoleModule.class);
	}
	
	public Integer getTotalPermissionModuleCount() throws LIMSRuntimeException {
		return getTotalCount("RoleModule", RoleModule.class);
	}
	
	public List getNextRecord(String id, String table, Class clazz)
			throws LIMSRuntimeException {
		int currentId = Integer.valueOf( id );
		String tablePrefix = getTablePrefix(table);

		List list;
		int rrn;
		try {
    		String sql = "select rm.id from RoleModule rm order by rm.role.id";
 			org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql);
			list = query.list();
			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();
			rrn = list.indexOf(String.valueOf(currentId));

			list = HibernateUtil.getSession().getNamedQuery(
					tablePrefix + "getNext").setFirstResult(
					rrn + 1).setMaxResults(2).list();

		} catch (Exception e) {
			LogEvent.logError("RoleModuleDAOImpl","getNextRecord()",e.toString());
			throw new LIMSRuntimeException("Error in getNextRecord() for "
					+ table, e);
		}
		
		return list;
	}

	public List getPreviousRecord(String id, String table, Class clazz)
			throws LIMSRuntimeException {
		int currentId = Integer.valueOf( id );
		String tablePrefix = getTablePrefix(table);

		List list;
		int rrn;
		try {
			String sql = "select rm.id from RoleModule rm order by rm.role.id";
 			org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql);
			list = query.list();
			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();
			rrn = list.indexOf(String.valueOf(currentId));

			list = HibernateUtil.getSession().getNamedQuery(
					tablePrefix + "getPrevious").setFirstResult(
					rrn + 1).setMaxResults(2).list();

		} catch (Exception e) {
			LogEvent.logError("RoleModuleDAOImpl","getPreviousRecord()",e.toString());
			throw new LIMSRuntimeException("Error in getPreviousRecord() for "
					+ table, e);
		}

		return list;
	}
	
	private boolean duplicateRoleModuleExists(RoleModule roleModule) throws LIMSRuntimeException {
		try {

			List list;

			String sql = "from RoleModule s where s.role.id = :param and s.systemModule.id = :param2 and s.id != :param3";
			org.hibernate.Query query = HibernateUtil.getSession().createQuery(sql);
			query.setInteger("param", Integer.parseInt(roleModule.getRole().getId()));
			query.setInteger("param2", Integer.parseInt(roleModule.getSystemModule().getId()));
	
			String systemUserModuleId = "0";
			if (!StringUtil.isNullorNill(roleModule.getId())) {
				systemUserModuleId = roleModule.getId();
			}
			query.setInteger("param3", Integer.parseInt(systemUserModuleId));

			list = query.list();
			HibernateUtil.getSession().flush();
			HibernateUtil.getSession().clear();

			return list.size() > 0;

		} catch (Exception e) {
			LogEvent.logError("RoleModuleDAOImpl","duplicateRoleModuleExists()",e.toString());
			throw new LIMSRuntimeException("Error in duplicateRoleModuleExists()", e);
		}
	}

	public boolean isAgentAllowedAccordingToName(String id, String name) throws LIMSRuntimeException {
		UserRoleDAO userRoleDAO = new UserRoleDAOImpl();
		return userRoleDAO.userInRole(id, name);
	}

	public boolean doesUserHaveAnyModules(int userId) throws LIMSRuntimeException {
		try{
			String sql = "select count(*) from system_user_role where system_user_id = :userId";
			Query query = HibernateUtil.getSession().createSQLQuery(sql);
			query.setInteger("userId", userId);
			int roleCount = ((BigInteger)query.uniqueResult()).intValue();
			return roleCount > 0;
		}catch( HibernateException he){
			LogEvent.logError("RoleModuleDAOImpl","doesUserHaveAnyModules(int)",he.toString());
			throw new LIMSRuntimeException("Error in doesUserHaveAnyModules(int)", he);	
		}
	}
}