src/db/java/org/apache/openmeetings/db/dao/record/FlvRecordingDao.java - openmeetings - Git at Google

 /*
  * 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 org.apache.openmeetings.db.dao.record;

 import static org.apache.openmeetings.util.OmFileHelper.MP4_EXTENSION;
 import static org.apache.openmeetings.util.OmFileHelper.OGG_EXTENSION;
 import static org.apache.openmeetings.util.OmFileHelper.getMp4Recording;
 import static org.apache.openmeetings.util.OmFileHelper.getOggRecording;
 import static org.apache.openmeetings.util.OmFileHelper.getRecording;
 import static org.apache.openmeetings.util.OmFileHelper.isRecordingExists;
 import static org.apache.openmeetings.util.OpenmeetingsVariables.webAppRootKey;

 import java.util.Date;
 import java.util.List;

 import javax.persistence.EntityManager;
 import javax.persistence.NoResultException;
 import javax.persistence.PersistenceContext;
 import javax.persistence.TypedQuery;

 import org.apache.openmeetings.db.dao.user.UserDao;
 import org.apache.openmeetings.db.dto.record.RecordingContainerData;
 import org.apache.openmeetings.db.entity.record.FlvRecording;
 import org.apache.openmeetings.db.entity.record.FlvRecording.Status;
 import org.apache.openmeetings.db.entity.user.Organisation_Users;
 import org.red5.logging.Red5LoggerFactory;
 import org.slf4j.Logger;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.transaction.annotation.Transactional;

 /**
  * @author sebastianwagner
  *
  */
 @Transactional
 public class FlvRecordingDao {

 	private static final Logger log = Red5LoggerFactory.getLogger(FlvRecordingDao.class, webAppRootKey);

 	@PersistenceContext
 	private EntityManager em;
 	@Autowired
 	private UserDao userDao;

 	public FlvRecording get(Long flvRecordingId) {
 		try {
 			TypedQuery<FlvRecording> query = em.createNamedQuery("getRecordingById", FlvRecording.class);
 			query.setParameter("id", flvRecordingId);

 			FlvRecording flvRecording = null;
 			try {
 				flvRecording = query.getSingleResult();
 			} catch (NoResultException ex) {
 			}
 			return flvRecording;
 		} catch (Exception ex2) {
 			log.error("[getFlvRecordingById]: ", ex2);
 		}
 		return null;
 	}

 	public FlvRecording getRecordingByHash(String hash) {
 		try {
 			TypedQuery<FlvRecording> query = em.createNamedQuery("getRecordingByHash", FlvRecording.class);
 			query.setParameter("fileHash", hash);

 			try {
 				return query.getSingleResult();
 			} catch (NoResultException ex) {
 				// noop
 			}
 		} catch (Exception ex2) {
 			log.error("[getRecordingByHash]: ", ex2);
 		}
 		return null;
 	}

 	public List<FlvRecording> getFlvRecordings() {
 		try {
 			return em.createQuery("SELECT c FROM FlvRecording c WHERE c.deleted = false", FlvRecording.class)
 					.getResultList();
 		} catch (Exception ex2) {
 			log.error("[getFlvRecordings]: ", ex2);
 		}
 		return null;
 	}

 	public List<FlvRecording> getFlvRecordingByExternalUserId(String externalUserId, String externalUserType) {
 		try {
 			log.debug("getFlvRecordingByExternalUserId :externalUserId: {}; externalType: {}", externalUserId, externalUserType);

 			TypedQuery<FlvRecording> query = em.createNamedQuery("getRecordingsByExternalUser", FlvRecording.class);
 			query.setParameter("externalUserId", externalUserId);
 			query.setParameter("externalUserType", externalUserType);

 			List<FlvRecording> flvRecordingList = query.getResultList();

 			log.debug("getFlvRecordingByExternalUserId :: " + flvRecordingList.size());

 			return flvRecordingList;
 		} catch (Exception ex2) {
 			log.error("[getFlvRecordingByExternalUserId]: ", ex2);
 		}
 		return null;
 	}

 	public List<FlvRecording> getFlvRecordingByExternalRoomTypeAndCreator(String externalRoomType, Long insertedBy) {
 		try {

 			log.debug("getFlvRecordingByExternalRoomType :externalRoomType: " + externalRoomType);

 			String hql = "SELECT c FROM FlvRecording c, Room r WHERE c.room_id = r.rooms_id "
 					+ "AND r.externalRoomType LIKE :externalRoomType AND c.insertedBy LIKE :insertedBy "
 					+ "AND c.deleted = false";

 			TypedQuery<FlvRecording> query = em.createQuery(hql, FlvRecording.class);
 			query.setParameter("externalRoomType", externalRoomType);
 			query.setParameter("insertedBy", insertedBy);
 			query.setParameter("deleted", true);

 			List<FlvRecording> flvRecordingList = query.getResultList();

 			log.debug("getFlvRecordingByExternalRoomType :: " + flvRecordingList.size());

 			return flvRecordingList;
 		} catch (Exception ex2) {
 			log.error("[getFlvRecordingByExternalRoomType]: ", ex2);
 		}
 		return null;
 	}

 	public List<FlvRecording> getAllFlvRecordings() {
 		try {
 			String hql = "SELECT c FROM FlvRecording c LEFT JOIN FETCH c.flvRecordingMetaData ORDER BY c.flvRecordingId";

 			TypedQuery<FlvRecording> query = em.createQuery(hql, FlvRecording.class);

 			return query.getResultList();
 		} catch (Exception ex2) {
 			log.error("[getAllFlvRecordings]: ", ex2);
 		}
 		return null;
 	}

 	public List<FlvRecording> getFlvRecordingByExternalRoomType(String externalRoomType) {
 		try {

 			log.debug("getFlvRecordingByExternalRoomType :externalRoomType: " + externalRoomType);

 			String hql = "SELECT c FROM FlvRecording c, Room r " + "WHERE c.room_id = r.rooms_id "
 					+ "AND r.externalRoomType LIKE :externalRoomType " + "AND c.deleted <> :deleted ";

 			TypedQuery<FlvRecording> query = em.createQuery(hql, FlvRecording.class);
 			query.setParameter("externalRoomType", externalRoomType);
 			query.setParameter("deleted", true);

 			List<FlvRecording> flvRecordingList = query.getResultList();

 			log.debug("getFlvRecordingByExternalRoomType :: " + flvRecordingList.size());

 			return flvRecordingList;
 		} catch (Exception ex2) {
 			log.error("[getFlvRecordingByExternalRoomType]: ", ex2);
 		}
 		return null;
 	}

 	public List<FlvRecording> getRecordingsByExternalType(String externalType) {
 		try {
 			log.debug("getRecordingsByExternalType :externalType: " + externalType);

 			TypedQuery<FlvRecording> query = em.createNamedQuery("getRecordingsByExternalType", FlvRecording.class);
 			query.setParameter("externalType", externalType);

 			return query.getResultList();
 		} catch (Exception ex2) {
 			log.error("[getRecordingsByExternalType]: ", ex2);
 		}
 		return null;
 	}

 	public List<FlvRecording> getFlvRecordingRootByPublic(Long orgId) {
 		TypedQuery<FlvRecording> q = em.createNamedQuery(orgId == null ? "getRecordingsPublic" : "getRecordingsByOrganization", FlvRecording.class);
 		if (orgId != null) {
 			q.setParameter("organization_id", orgId);
 		}
 		return q.getResultList();
 	}

 	public List<FlvRecording> getFlvRecordingRootByOwner(Long ownerId) {
 		return em.createNamedQuery("getRecordingsByOwner", FlvRecording.class).setParameter("ownerId", ownerId).getResultList();
 	}

 	public List<FlvRecording> getFlvRecordingByRoomId(Long room_id) {
 		try {

 			String hql = "SELECT c FROM FlvRecording c " + "WHERE c.deleted <> :deleted " + "AND c.room_id = :room_id "
 					+ "ORDER BY c.folder DESC, c.fileName ";

 			TypedQuery<FlvRecording> query = em.createQuery(hql, FlvRecording.class);
 			query.setParameter("deleted", true);
 			query.setParameter("room_id", room_id);

 			List<FlvRecording> flvRecordingList = query.getResultList();

 			return flvRecordingList;
 		} catch (Exception ex2) {
 			log.error("[getFlvRecordingByOwner]: ", ex2);
 		}
 		return null;
 	}

 	public List<FlvRecording> getFlvRecordingByParent(Long parentId) {
 		return em.createNamedQuery("getRecordingsByParent", FlvRecording.class).setParameter("parentId", parentId).getResultList();
 	}

 	public void updateFlvRecordingEndTime(Long flvRecordingId, Date recordEnd, Long organization_id) {
 		try {

 			FlvRecording fId = get(flvRecordingId);

 			fId.setProgressPostProcessing(0);
 			fId.setRecordEnd(recordEnd);
 			fId.setOrganization_id(organization_id);

 			update(fId);
 		} catch (Exception ex2) {
 			log.error("[updateFlvRecordingEndTime]: ", ex2);
 		}
 	}

 	/**
 	 * @param fileExplorerItemId
 	 */
 	public boolean delete(Long flvRecordingId) {
 		try {

 			FlvRecording f = get(flvRecordingId);
 			return delete(f);
 		} catch (Exception ex2) {
 			log.error("[delete]: ", ex2);
 		}

 		return false;
 	}

 	public boolean delete(FlvRecording f) {
 		if (f == null || f.getFlvRecordingId() == 0) {
 			return false;
 		}
 		f.setDeleted(true);
 		update(f);
 		return true;
 	}

 	public FlvRecording update(FlvRecording f) {
 		try {
 			if (f.getFlvRecordingId() == 0) {
 				f.setInserted(new Date());
 				em.persist(f);
 			} else {
 				f.setUpdated(new Date());
 				if (!em.contains(f)) {
 					f = em.merge(f);
 				}
 			}

 		} catch (Exception ex2) {
 			log.error("[update]: ", ex2);
 		}
 		return f;
 	}

 	public void resetProcessingStatus() {
 		em.createNamedQuery("resetRecordingProcessingStatus")
 			.setParameter("error", Status.ERROR)
 			.setParameter("recording", Status.RECORDING)
 			.setParameter("converting", Status.CONVERTING)
 			.executeUpdate();
 	}

 	public RecordingContainerData getRecordingContainerData(long userId) {
 		try {
 			RecordingContainerData containerData = new RecordingContainerData();

 			// User Home Recordings
 			List<FlvRecording> homeFlvRecordings = getFlvRecordingRootByOwner(userId);
 			long homeFileSize = 0;

 			for (FlvRecording homeFlvRecording : homeFlvRecordings) {
 				homeFileSize += getRecordingSize(homeFlvRecording);
 			}

 			containerData.setUserHomeSize(homeFileSize);

 			// Public Recordings
 			long publicFileSize = 0;

 			//get all organizations the user can view
 			for (Organisation_Users ou : userDao.get(userId).getOrganisation_users()) {
 				List<FlvRecording>publicFlvRecordings = getFlvRecordingRootByPublic(ou.getOrganisation().getOrganisation_id());
 				//get sizes
 				for (FlvRecording publicFlvRecording : publicFlvRecordings) {
 					publicFileSize += getRecordingSize(publicFlvRecording);
 				}
 			}
 			containerData.setPublicFileSize(publicFileSize);

 			return containerData;
 		} catch (Exception ex2) {
 			log.error("[getRecordingContainerData]: ", ex2);
 		}
 		return null;
 	}

 	private long getRecordingSize(FlvRecording r) {
 		long size = 0;

 		if (isRecordingExists(r.getFileHash())) {
 			size += getRecording(r.getFileHash()).length();
 		}
 		if (isRecordingExists(r.getAlternateDownload())) {
 			size += getRecording(r.getAlternateDownload()).length();
 		}
 		if (isRecordingExists(r.getPreviewImage())) {
 			size += getRecording(r.getPreviewImage()).length();
 		}
 		if (isRecordingExists(r.getFileHash() + MP4_EXTENSION)) {
 			size += getMp4Recording(r.getFileHash()).length();
 		}
 		if (isRecordingExists(r.getFileHash() + OGG_EXTENSION)) {
 			size += getOggRecording(r.getFileHash()).length();
 		}
 		for (FlvRecording flvRecording : getFlvRecordingByParent(r.getFlvRecordingId())) {
 			size += getRecordingSize(flvRecording);
 		}
 		return size;
 	}
 }
	/*
	* 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 org.apache.openmeetings.db.dao.record;

	import static org.apache.openmeetings.util.OmFileHelper.MP4_EXTENSION;
	import static org.apache.openmeetings.util.OmFileHelper.OGG_EXTENSION;
	import static org.apache.openmeetings.util.OmFileHelper.getMp4Recording;
	import static org.apache.openmeetings.util.OmFileHelper.getOggRecording;
	import static org.apache.openmeetings.util.OmFileHelper.getRecording;
	import static org.apache.openmeetings.util.OmFileHelper.isRecordingExists;
	import static org.apache.openmeetings.util.OpenmeetingsVariables.webAppRootKey;

	import java.util.Date;
	import java.util.List;

	import javax.persistence.EntityManager;
	import javax.persistence.NoResultException;
	import javax.persistence.PersistenceContext;
	import javax.persistence.TypedQuery;

	import org.apache.openmeetings.db.dao.user.UserDao;
	import org.apache.openmeetings.db.dto.record.RecordingContainerData;
	import org.apache.openmeetings.db.entity.record.FlvRecording;
	import org.apache.openmeetings.db.entity.record.FlvRecording.Status;
	import org.apache.openmeetings.db.entity.user.Organisation_Users;
	import org.red5.logging.Red5LoggerFactory;
	import org.slf4j.Logger;
	import org.springframework.beans.factory.annotation.Autowired;
	import org.springframework.transaction.annotation.Transactional;

	/**
	* @author sebastianwagner
	*
	*/
	@Transactional
	public class FlvRecordingDao {

	private static final Logger log = Red5LoggerFactory.getLogger(FlvRecordingDao.class, webAppRootKey);

	@PersistenceContext
	private EntityManager em;
	@Autowired
	private UserDao userDao;

	public FlvRecording get(Long flvRecordingId) {
	try {
	TypedQuery<FlvRecording> query = em.createNamedQuery("getRecordingById", FlvRecording.class);
	query.setParameter("id", flvRecordingId);

	FlvRecording flvRecording = null;
	try {
	flvRecording = query.getSingleResult();
	} catch (NoResultException ex) {
	}
	return flvRecording;
	} catch (Exception ex2) {
	log.error("[getFlvRecordingById]: ", ex2);
	}
	return null;
	}

	public FlvRecording getRecordingByHash(String hash) {
	try {
	TypedQuery<FlvRecording> query = em.createNamedQuery("getRecordingByHash", FlvRecording.class);
	query.setParameter("fileHash", hash);

	try {
	return query.getSingleResult();
	} catch (NoResultException ex) {
	// noop
	}
	} catch (Exception ex2) {
	log.error("[getRecordingByHash]: ", ex2);
	}
	return null;
	}

	public List<FlvRecording> getFlvRecordings() {
	try {
	return em.createQuery("SELECT c FROM FlvRecording c WHERE c.deleted = false", FlvRecording.class)
	.getResultList();
	} catch (Exception ex2) {
	log.error("[getFlvRecordings]: ", ex2);
	}
	return null;
	}

	public List<FlvRecording> getFlvRecordingByExternalUserId(String externalUserId, String externalUserType) {
	try {
	log.debug("getFlvRecordingByExternalUserId :externalUserId: {}; externalType: {}", externalUserId, externalUserType);

	TypedQuery<FlvRecording> query = em.createNamedQuery("getRecordingsByExternalUser", FlvRecording.class);
	query.setParameter("externalUserId", externalUserId);
	query.setParameter("externalUserType", externalUserType);

	List<FlvRecording> flvRecordingList = query.getResultList();

	log.debug("getFlvRecordingByExternalUserId :: " + flvRecordingList.size());

	return flvRecordingList;
	} catch (Exception ex2) {
	log.error("[getFlvRecordingByExternalUserId]: ", ex2);
	}
	return null;
	}

	public List<FlvRecording> getFlvRecordingByExternalRoomTypeAndCreator(String externalRoomType, Long insertedBy) {
	try {

	log.debug("getFlvRecordingByExternalRoomType :externalRoomType: " + externalRoomType);

	String hql = "SELECT c FROM FlvRecording c, Room r WHERE c.room_id = r.rooms_id "
	+ "AND r.externalRoomType LIKE :externalRoomType AND c.insertedBy LIKE :insertedBy "
	+ "AND c.deleted = false";

	TypedQuery<FlvRecording> query = em.createQuery(hql, FlvRecording.class);
	query.setParameter("externalRoomType", externalRoomType);
	query.setParameter("insertedBy", insertedBy);
	query.setParameter("deleted", true);

	List<FlvRecording> flvRecordingList = query.getResultList();

	log.debug("getFlvRecordingByExternalRoomType :: " + flvRecordingList.size());

	return flvRecordingList;
	} catch (Exception ex2) {
	log.error("[getFlvRecordingByExternalRoomType]: ", ex2);
	}
	return null;
	}

	public List<FlvRecording> getAllFlvRecordings() {
	try {
	String hql = "SELECT c FROM FlvRecording c LEFT JOIN FETCH c.flvRecordingMetaData ORDER BY c.flvRecordingId";

	TypedQuery<FlvRecording> query = em.createQuery(hql, FlvRecording.class);

	return query.getResultList();
	} catch (Exception ex2) {
	log.error("[getAllFlvRecordings]: ", ex2);
	}
	return null;
	}

	public List<FlvRecording> getFlvRecordingByExternalRoomType(String externalRoomType) {
	try {

	log.debug("getFlvRecordingByExternalRoomType :externalRoomType: " + externalRoomType);

	String hql = "SELECT c FROM FlvRecording c, Room r " + "WHERE c.room_id = r.rooms_id "
	+ "AND r.externalRoomType LIKE :externalRoomType " + "AND c.deleted <> :deleted ";

	TypedQuery<FlvRecording> query = em.createQuery(hql, FlvRecording.class);
	query.setParameter("externalRoomType", externalRoomType);
	query.setParameter("deleted", true);

	List<FlvRecording> flvRecordingList = query.getResultList();

	log.debug("getFlvRecordingByExternalRoomType :: " + flvRecordingList.size());

	return flvRecordingList;
	} catch (Exception ex2) {
	log.error("[getFlvRecordingByExternalRoomType]: ", ex2);
	}
	return null;
	}

	public List<FlvRecording> getRecordingsByExternalType(String externalType) {
	try {
	log.debug("getRecordingsByExternalType :externalType: " + externalType);

	TypedQuery<FlvRecording> query = em.createNamedQuery("getRecordingsByExternalType", FlvRecording.class);
	query.setParameter("externalType", externalType);

	return query.getResultList();
	} catch (Exception ex2) {
	log.error("[getRecordingsByExternalType]: ", ex2);
	}
	return null;
	}

	public List<FlvRecording> getFlvRecordingRootByPublic(Long orgId) {
	TypedQuery<FlvRecording> q = em.createNamedQuery(orgId == null ? "getRecordingsPublic" : "getRecordingsByOrganization", FlvRecording.class);
	if (orgId != null) {
	q.setParameter("organization_id", orgId);
	}
	return q.getResultList();
	}

	public List<FlvRecording> getFlvRecordingRootByOwner(Long ownerId) {
	return em.createNamedQuery("getRecordingsByOwner", FlvRecording.class).setParameter("ownerId", ownerId).getResultList();
	}

	public List<FlvRecording> getFlvRecordingByRoomId(Long room_id) {
	try {

	String hql = "SELECT c FROM FlvRecording c " + "WHERE c.deleted <> :deleted " + "AND c.room_id = :room_id "
	+ "ORDER BY c.folder DESC, c.fileName ";

	TypedQuery<FlvRecording> query = em.createQuery(hql, FlvRecording.class);
	query.setParameter("deleted", true);
	query.setParameter("room_id", room_id);

	List<FlvRecording> flvRecordingList = query.getResultList();

	return flvRecordingList;
	} catch (Exception ex2) {
	log.error("[getFlvRecordingByOwner]: ", ex2);
	}
	return null;
	}

	public List<FlvRecording> getFlvRecordingByParent(Long parentId) {
	return em.createNamedQuery("getRecordingsByParent", FlvRecording.class).setParameter("parentId", parentId).getResultList();
	}

	public void updateFlvRecordingEndTime(Long flvRecordingId, Date recordEnd, Long organization_id) {
	try {

	FlvRecording fId = get(flvRecordingId);

	fId.setProgressPostProcessing(0);
	fId.setRecordEnd(recordEnd);
	fId.setOrganization_id(organization_id);

	update(fId);
	} catch (Exception ex2) {
	log.error("[updateFlvRecordingEndTime]: ", ex2);
	}
	}

	/**
	* @param fileExplorerItemId
	*/
	public boolean delete(Long flvRecordingId) {
	try {

	FlvRecording f = get(flvRecordingId);
	return delete(f);
	} catch (Exception ex2) {
	log.error("[delete]: ", ex2);
	}

	return false;
	}

	public boolean delete(FlvRecording f) {
	if (f == null \|\| f.getFlvRecordingId() == 0) {
	return false;
	}
	f.setDeleted(true);
	update(f);
	return true;
	}

	public FlvRecording update(FlvRecording f) {
	try {
	if (f.getFlvRecordingId() == 0) {
	f.setInserted(new Date());
	em.persist(f);
	} else {
	f.setUpdated(new Date());
	if (!em.contains(f)) {
	f = em.merge(f);
	}
	}

	} catch (Exception ex2) {
	log.error("[update]: ", ex2);
	}
	return f;
	}

	public void resetProcessingStatus() {
	em.createNamedQuery("resetRecordingProcessingStatus")
	.setParameter("error", Status.ERROR)
	.setParameter("recording", Status.RECORDING)
	.setParameter("converting", Status.CONVERTING)
	.executeUpdate();
	}

	public RecordingContainerData getRecordingContainerData(long userId) {
	try {
	RecordingContainerData containerData = new RecordingContainerData();

	// User Home Recordings
	List<FlvRecording> homeFlvRecordings = getFlvRecordingRootByOwner(userId);
	long homeFileSize = 0;

	for (FlvRecording homeFlvRecording : homeFlvRecordings) {
	homeFileSize += getRecordingSize(homeFlvRecording);
	}

	containerData.setUserHomeSize(homeFileSize);

	// Public Recordings
	long publicFileSize = 0;

	//get all organizations the user can view
	for (Organisation_Users ou : userDao.get(userId).getOrganisation_users()) {
	List<FlvRecording>publicFlvRecordings = getFlvRecordingRootByPublic(ou.getOrganisation().getOrganisation_id());
	//get sizes
	for (FlvRecording publicFlvRecording : publicFlvRecordings) {
	publicFileSize += getRecordingSize(publicFlvRecording);
	}
	}
	containerData.setPublicFileSize(publicFileSize);

	return containerData;
	} catch (Exception ex2) {
	log.error("[getRecordingContainerData]: ", ex2);
	}
	return null;
	}

	private long getRecordingSize(FlvRecording r) {
	long size = 0;

	if (isRecordingExists(r.getFileHash())) {
	size += getRecording(r.getFileHash()).length();
	}
	if (isRecordingExists(r.getAlternateDownload())) {
	size += getRecording(r.getAlternateDownload()).length();
	}
	if (isRecordingExists(r.getPreviewImage())) {
	size += getRecording(r.getPreviewImage()).length();
	}
	if (isRecordingExists(r.getFileHash() + MP4_EXTENSION)) {
	size += getMp4Recording(r.getFileHash()).length();
	}
	if (isRecordingExists(r.getFileHash() + OGG_EXTENSION)) {
	size += getOggRecording(r.getFileHash()).length();
	}
	for (FlvRecording flvRecording : getFlvRecordingByParent(r.getFlvRecordingId())) {
	size += getRecordingSize(flvRecording);
	}
	return size;
	}
	}