Java tutorial
/* * 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.user; import static org.apache.openmeetings.db.entity.user.PrivateMessage.INBOX_FOLDER_ID; import static org.apache.openmeetings.util.OpenmeetingsVariables.webAppRootKey; import java.util.Collection; import java.util.Date; import java.util.List; import javax.persistence.EntityManager; import javax.persistence.NoResultException; import javax.persistence.PersistenceContext; import javax.persistence.Query; import javax.persistence.TypedQuery; import org.apache.commons.lang3.StringUtils; import org.apache.openmeetings.db.dao.IDataProviderDao; import org.apache.openmeetings.db.entity.room.Room; import org.apache.openmeetings.db.entity.user.PrivateMessage; import org.apache.openmeetings.db.entity.user.User; import org.red5.logging.Red5LoggerFactory; import org.slf4j.Logger; import org.springframework.transaction.annotation.Transactional; @Transactional public class PrivateMessageDao implements IDataProviderDao<PrivateMessage> { private static final Logger log = Red5LoggerFactory.getLogger(PrivateMessageDao.class, webAppRootKey); @PersistenceContext private EntityManager em; public Long addPrivateMessage(String subject, String message, Long parentMessageId, User from, User to, User owner, Boolean bookedRoom, Room room, boolean isContactRequest, Long userContactId) { try { PrivateMessage privateMessage = new PrivateMessage(); privateMessage.setInserted(new Date()); privateMessage.setSubject(subject); privateMessage.setMessage(message); privateMessage.setFrom(from); privateMessage.setTo(to); privateMessage.setOwner(owner); privateMessage.setBookedRoom(Boolean.TRUE.equals(bookedRoom)); privateMessage.setRoom(room); privateMessage.setParentMessage(parentMessageId); privateMessage.setFolderId(INBOX_FOLDER_ID); privateMessage.setIsRead(false); privateMessage.setIsContactRequest(isContactRequest); privateMessage.setUserContactId(userContactId); privateMessage = em.merge(privateMessage); Long privateMessageId = privateMessage.getFolderId(); return privateMessageId; } catch (Exception e) { log.error("[addPrivateMessage]", e); } return null; } @Override public List<PrivateMessage> get(int first, int count) { return em.createNamedQuery("getPrivateMessages", PrivateMessage.class).setFirstResult(first) .setMaxResults(count).getResultList(); } @Override public PrivateMessage get(long id) { return get(Long.valueOf(id)); } @Override public PrivateMessage get(Long id) { TypedQuery<PrivateMessage> query = em.createNamedQuery("getPrivateMessageById", PrivateMessage.class); query.setParameter("id", id); PrivateMessage privateMessage = null; try { privateMessage = query.getSingleResult(); } catch (NoResultException ex) { } return privateMessage; } @Override public PrivateMessage update(PrivateMessage entity, Long userId) { if (entity.getId() == null) { entity.setInserted(new Date()); em.persist(entity); } else { entity = em.merge(entity); } return entity; } private static String getQuery(boolean isCount, String search, String orderBy, boolean asc) { StringBuilder hql = new StringBuilder("SELECT "); hql.append(isCount ? "COUNT(" : "").append("m").append(isCount ? ")" : "") .append(" FROM PrivateMessage m WHERE m.owner.id = :ownerId ") .append(" AND m.folderId = :folderId "); if (!StringUtils.isEmpty(search)) { hql.append(" AND ( ").append("lower(m.subject) LIKE :search ") .append("OR lower(m.message) LIKE :search ").append("OR lower(m.from.firstname) LIKE :search ") .append("OR lower(m.from.lastname) LIKE :search ") .append("OR lower(m.from.login) LIKE :search ") .append("OR lower(m.from.address.email) LIKE :search ").append(" ) "); } if (!isCount && !StringUtils.isEmpty(orderBy)) { hql.append(" ORDER BY ").append(orderBy).append(asc ? " ASC" : " DESC"); } return hql.toString(); } public Long count(Long ownerId, Long folderId, String search) { TypedQuery<Long> query = em.createQuery(getQuery(true, search, null, true), Long.class); query.setParameter("ownerId", ownerId); if (!StringUtils.isEmpty(search)) { query.setParameter("search", StringUtils.lowerCase("%" + search + "%")); } query.setParameter("folderId", folderId); return query.getSingleResult(); } public List<PrivateMessage> get(Long ownerId, Long folderId, String search, String orderBy, boolean asc, int start, int max) { TypedQuery<PrivateMessage> query = em.createQuery(getQuery(false, search, orderBy, asc), PrivateMessage.class); query.setParameter("ownerId", ownerId); query.setParameter("folderId", folderId); if (!StringUtils.isEmpty(search)) { query.setParameter("search", StringUtils.lowerCase("%" + search + "%")); } query.setFirstResult(start); query.setMaxResults(max); return query.getResultList(); } public int updateReadStatus(Collection<Long> ids, Boolean isRead) { Query query = em.createNamedQuery("updatePrivateMessagesReadStatus"); query.setParameter("isRead", isRead); query.setParameter("ids", ids); return query.executeUpdate(); } public int moveMailsToFolder(Collection<Long> ids, Long folderId) { Query query = em.createNamedQuery("moveMailsToFolder"); query.setParameter("folderId", folderId); query.setParameter("ids", ids); return query.executeUpdate(); } public int delete(Collection<Long> ids) { Query query = em.createNamedQuery("deletePrivateMessages"); query.setParameter("ids", ids); return query.executeUpdate(); } public List<PrivateMessage> getByRoom(Long roomId) { return em.createNamedQuery("getPrivateMessagesByRoom", PrivateMessage.class).setParameter("roomId", roomId) .getResultList(); } @Override public List<PrivateMessage> get(String search, int start, int count, String order) { throw new RuntimeException("Should not be used"); } @Override public long count() { throw new RuntimeException("Should not be used"); } @Override public long count(String search) { throw new RuntimeException("Should not be used"); } @Override public void delete(PrivateMessage entity, Long userId) { throw new RuntimeException("Should not be used"); } }