/* * Copyright (c) JForum Team * All rights reserved. * * Redistribution and use in source and binary forms, * with or without modification, are permitted provided * that the following conditions are met: * * 1) Redistributions of source code must retain the above * copyright notice, this list of conditions and the * following disclaimer. * 2) Redistributions in binary form must reproduce the * above copyright notice, this list of conditions and * the following disclaimer in the documentation and/or * other materials provided with the distribution. * 3) Neither the name of "Rafael Steil" nor * the names of its contributors may be used to endorse * or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER * IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE * * Created on 21/05/2004 - 14:19:11 * The JForum Project * http://www.jforum.net */ package net.jforum.dao.generic; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.util.Date; import java.util.Iterator; import java.util.List; import net.jforum.JForumExecutionContext; import net.jforum.dao.PollDAO; import net.jforum.entities.Poll; import net.jforum.entities.PollOption; import net.jforum.exceptions.DatabaseException; import net.jforum.util.DbUtils; import net.jforum.util.preferences.SystemGlobals; /** * @author David Almilli * @version $Id: GenericPollDAO.java,v 1.9 2007/08/01 22:30:03 rafaelsteil Exp $ */ public class GenericPollDAO extends AutoKeys implements PollDAO { /** * @see net.jforum.dao.PollDAO#addNew(net.jforum.entities.Poll) */ public int addNew(Poll poll) { this.addNewPoll(poll); this.addNewPollOptions(poll.getId(), poll.getOptions()); return poll.getId(); } protected void addNewPoll(Poll poll) { PreparedStatement p = null; try { p = this.getStatementForAutoKeys("PollModel.addNewPoll"); p.setInt(1, poll.getTopicId()); p.setString(2, poll.getLabel()); p.setInt(3, poll.getLength()); this.setAutoGeneratedKeysQuery(SystemGlobals.getSql("PollModel.lastGeneratedPollId")); int pollId = this.executeAutoKeysQuery(p); poll.setId(pollId); } catch (SQLException e) { throw new DatabaseException(e); } finally { DbUtils.close(p); } } protected void addNewPollOptions(int pollId, List options) { Connection connection = JForumExecutionContext.getConnection(); PreparedStatement p = null; ResultSet rs = null; try { p = connection.prepareStatement(SystemGlobals.getSql("PollModel.selectMaxVoteId")); p.setInt(1, pollId); rs = p.executeQuery(); rs.next(); int optionId = rs.getInt(1); rs.close(); rs = null; p.close(); p = null; p = connection.prepareStatement(SystemGlobals.getSql("PollModel.addNewPollOption")); for (Iterator iter = options.iterator(); iter.hasNext();) { PollOption option = (PollOption) iter.next(); p.setInt(1, pollId); p.setInt(2, ++optionId); p.setString(3, option.getText()); p.executeUpdate(); } } catch (SQLException e) { throw new DatabaseException(e); } finally { DbUtils.close(rs, p); } } /** * @see net.jforum.dao.PollDAO#selectById(int) */ public Poll selectById(int pollId) { PreparedStatement p = null; PreparedStatement o = null; ResultSet ors = null; ResultSet prs = null; try { p = JForumExecutionContext.getConnection().prepareStatement(SystemGlobals.getSql("PollModel.selectById")); p.setInt(1, pollId); prs = p.executeQuery(); Poll poll = null; if (prs.next()) { poll = this.makePoll(prs); o = JForumExecutionContext.getConnection().prepareStatement( SystemGlobals.getSql("PollModel.selectOptionsByPollId")); o.setInt(1, pollId); ors = o.executeQuery(); while (ors.next()) { poll.addOption(this.makePollOption(ors)); } } return poll; } catch (SQLException e) { throw new DatabaseException(e); } finally { DbUtils.close(prs, p); DbUtils.close(ors, o); } } protected Poll makePoll(ResultSet rs) throws SQLException { Poll poll = new Poll(); poll.setId(rs.getInt("vote_id")); poll.setTopicId(rs.getInt("topic_id")); poll.setLabel(rs.getString("vote_text")); poll.setStartTime(new Date(rs.getTimestamp("vote_start").getTime())); poll.setLength(rs.getInt("vote_length")); return poll; } protected PollOption makePollOption(ResultSet rs) throws SQLException { PollOption option = new PollOption(); option.setPollId(rs.getInt("vote_id")); option.setId(rs.getInt("vote_option_id")); option.setText(rs.getString("vote_option_text")); option.setVoteCount(rs.getInt("vote_result")); return option; } /** * @see net.jforum.dao.PollDAO#voteOnPoll(int, int, int, java.lang.String) */ public void voteOnPoll(int pollId, int optionId, int userId, String ipAddress) { Connection connection = JForumExecutionContext.getConnection(); PreparedStatement v = null; PreparedStatement p = null; try { p = connection.prepareStatement(SystemGlobals.getSql("PollModel.incrementVoteCount")); v = connection.prepareStatement(SystemGlobals.getSql("PollModel.addNewVoter")); p.setInt(1, pollId); p.setInt(2, optionId); v.setInt(1, pollId); v.setInt(2, userId); v.setString(3, ipAddress); p.executeUpdate(); v.executeUpdate(); } catch (SQLException e) { throw new DatabaseException(e); } finally { DbUtils.close(p); DbUtils.close(v); } } /** * @see net.jforum.dao.PollDAO#hasVotedOnPoll(int, int) */ public boolean hasUserVotedOnPoll(int pollId, int userId) { PreparedStatement p = null; ResultSet rs = null; try { p = JForumExecutionContext.getConnection().prepareStatement(SystemGlobals.getSql("PollModel.selectVoter")); p.setInt(1, pollId); p.setInt(2, userId); rs = p.executeQuery(); return rs.next(); } catch (SQLException e) { throw new DatabaseException(e); } finally { DbUtils.close(rs, p); } } /** * Tells if the anonymous user has already voted on the given poll from the given IP * * @param pollId * the poll id that is being checked * @param ipAddress * the IP address of the anonymoususer to check the vote for * @return true if the user has already voted on the given poll */ public boolean hasUserVotedOnPoll(int pollId, String ipAddress) { PreparedStatement p = null; ResultSet rs = null; try { p = JForumExecutionContext.getConnection().prepareStatement( SystemGlobals.getSql("PollModel.selectVoterByIP")); p.setInt(1, pollId); p.setString(2, ipAddress); rs = p.executeQuery(); return rs.next(); } catch (SQLException e) { throw new DatabaseException(e); } finally { DbUtils.close(rs, p); } } /** * @see net.jforum.dao.PollDAO#delete(int) */ public void deleteByTopicId(int topicId) { // first, lookup the poll id, then delete it PreparedStatement p = null; ResultSet rs = null; try { p = JForumExecutionContext.getConnection().prepareStatement( SystemGlobals.getSql("PollModel.selectPollByTopicId")); p.setInt(1, topicId); rs = p.executeQuery(); int pollId = 0; if (rs.next()) { pollId = rs.getInt("vote_id"); } if (pollId != 0) { delete(pollId); } } catch (SQLException e) { throw new DatabaseException(e); } finally { DbUtils.close(rs, p); } } /** * @see net.jforum.dao.PollDAO#delete(int) */ public void delete(int pollId) { this.deletePollVotes(pollId); this.deleteAllPollOptions(pollId); this.deletePoll(pollId); } protected void deletePoll(int pollId) { PreparedStatement poll = null; try { poll = JForumExecutionContext.getConnection() .prepareStatement(SystemGlobals.getSql("PollModel.deletePoll")); poll.setInt(1, pollId); poll.executeUpdate(); } catch (SQLException e) { throw new DatabaseException(e); } finally { DbUtils.close(poll); } } protected void deletePollVotes(int pollId) { PreparedStatement poll = null; try { poll = JForumExecutionContext.getConnection().prepareStatement( SystemGlobals.getSql("PollModel.deletePollVoters")); poll.setInt(1, pollId); poll.executeUpdate(); } catch (SQLException e) { throw new DatabaseException(e); } finally { DbUtils.close(poll); } } protected void deleteAllPollOptions(int pollId) { PreparedStatement poll = null; try { poll = JForumExecutionContext.getConnection().prepareStatement( SystemGlobals.getSql("PollModel.deleteAllPollOptions")); poll.setInt(1, pollId); poll.executeUpdate(); } catch (SQLException e) { throw new DatabaseException(e); } finally { DbUtils.close(poll); } } protected void deletePollOptions(int pollId, List deleted) throws SQLException { Connection connection = JForumExecutionContext.getConnection(); PreparedStatement options = null; try { options = connection.prepareStatement(SystemGlobals.getSql("PollModel.deletePollOption")); for (Iterator iter = deleted.iterator(); iter.hasNext();) { PollOption o = (PollOption) iter.next(); // Option options.setInt(1, pollId); options.setInt(2, o.getId()); options.executeUpdate(); } } finally { DbUtils.close(options); } } protected void updatePollOptions(int pollId, List options) throws SQLException { PreparedStatement p = null; try { p = JForumExecutionContext.getConnection().prepareStatement( SystemGlobals.getSql("PollModel.updatePollOption")); for (Iterator iter = options.iterator(); iter.hasNext();) { PollOption o = (PollOption) iter.next(); p.setString(1, o.getText()); p.setInt(2, o.getId()); p.setInt(3, pollId); p.executeUpdate(); } } finally { DbUtils.close(p); } } /** * @see net.jforum.dao.PollDAO#update(net.jforum.entities.Poll) */ public void update(Poll poll) { try { this.updatePoll(poll); if (poll.getChanges() != null) { this.deletePollOptions(poll.getId(), poll.getChanges().getDeletedOptions()); this.updatePollOptions(poll.getId(), poll.getChanges().getChangedOptions()); this.addNewPollOptions(poll.getId(), poll.getChanges().getNewOptions()); } } catch (SQLException e) { throw new DatabaseException(e); } } protected void updatePoll(Poll poll) throws SQLException { PreparedStatement p = null; try { p = JForumExecutionContext.getConnection().prepareStatement(SystemGlobals.getSql("PollModel.updatePoll")); p.setString(1, poll.getLabel()); p.setInt(2, poll.getLength()); p.setInt(3, poll.getId()); p.executeUpdate(); } finally { DbUtils.close(p); } } }