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GenericKarmaDAO.java
Package: jforum-2.1.8-src.zip [view]
Upload User: gdxydsw
Upload Date: 2019-01-29
Package Size: 16721k
Code Size: 10k
Category:
Java Develop
Development Platform:
Java
- /*
- * 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 Jan 11, 2005 11:22:19 PM
- * The JForum Project
- * http://www.jforum.net
- */
- package net.jforum.dao.generic;
- import java.sql.PreparedStatement;
- import java.sql.ResultSet;
- import java.sql.SQLException;
- import java.sql.Timestamp;
- import java.util.ArrayList;
- import java.util.Date;
- import java.util.HashMap;
- import java.util.List;
- import java.util.Map;
- import net.jforum.JForumExecutionContext;
- import net.jforum.entities.Karma;
- import net.jforum.entities.KarmaStatus;
- import net.jforum.entities.User;
- import net.jforum.exceptions.DatabaseException;
- import net.jforum.util.DbUtils;
- import net.jforum.util.preferences.SystemGlobals;
- /**
- * @author Rafael Steil
- * @version $Id: GenericKarmaDAO.java,v 1.12 2007/08/01 22:30:03 rafaelsteil Exp $
- */
- public class GenericKarmaDAO implements net.jforum.dao.KarmaDAO
- {
- /**
- * @see net.jforum.dao.KarmaDAO#addKarma(net.jforum.entities.Karma)
- */
- public void addKarma(Karma karma)
- {
- PreparedStatement p = null;
- try {
- p = JForumExecutionContext.getConnection().prepareStatement(SystemGlobals.getSql("KarmaModel.add"));
- p.setInt(1, karma.getPostId());
- p.setInt(2, karma.getPostUserId());
- p.setInt(3, karma.getFromUserId());
- p.setInt(4, karma.getPoints());
- p.setInt(5, karma.getTopicId());
- p.setTimestamp(6, new Timestamp((new Date()).getTime()));
- p.executeUpdate();
- this.updateUserKarma(karma.getPostUserId());
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(p);
- }
- }
- /**
- * @see net.jforum.dao.KarmaDAO#selectKarmaStatus(int)
- */
- public KarmaStatus getUserKarma(int userId)
- {
- KarmaStatus status = new KarmaStatus();
- PreparedStatement p = null;
- ResultSet rs = null;
- try {
- p = JForumExecutionContext.getConnection()
- .prepareStatement(SystemGlobals.getSql("KarmaModel.getUserKarma"));
- p.setInt(1, userId);
- rs = p.executeQuery();
- if (rs.next()) {
- status.setKarmaPoints(Math.round(rs.getDouble("user_karma")));
- }
- return status;
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(rs, p);
- }
- }
- /**
- * @see net.jforum.dao.KarmaDAO#updateUserKarma(int)
- */
- public void updateUserKarma(int userId)
- {
- PreparedStatement p = null;
- ResultSet rs = null;
- try {
- p = JForumExecutionContext.getConnection().prepareStatement(
- SystemGlobals.getSql("KarmaModel.getUserKarmaPoints"));
- p.setInt(1, userId);
- int totalRecords = 0;
- double totalPoints = 0;
- rs = p.executeQuery();
- while (rs.next()) {
- int points = rs.getInt("points");
- int votes = rs.getInt("votes");
- totalPoints += ((double) points / votes);
- totalRecords++;
- }
- rs.close();
- rs = null;
- p.close();
- p = null;
- p = JForumExecutionContext.getConnection().prepareStatement(
- SystemGlobals.getSql("KarmaModel.updateUserKarma"));
- double karmaPoints = totalPoints / totalRecords;
- if (Double.isNaN(karmaPoints)) {
- karmaPoints = 0;
- }
- p.setDouble(1, karmaPoints);
- p.setInt(2, userId);
- p.executeUpdate();
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(rs, p);
- }
- }
- /**
- * @see net.jforum.dao.KarmaDAO#update(net.jforum.entities.Karma)
- */
- public void update(Karma karma)
- {
- PreparedStatement p = null;
- try {
- p = JForumExecutionContext.getConnection().prepareStatement(SystemGlobals.getSql("KarmaModel.update"));
- p.setInt(1, karma.getPoints());
- p.setInt(2, karma.getId());
- p.executeUpdate();
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(p);
- }
- }
- /**
- * @see net.jforum.dao.KarmaDAO#getPostKarma(int)
- */
- public KarmaStatus getPostKarma(int postId)
- {
- KarmaStatus karma = new KarmaStatus();
- PreparedStatement p = null;
- ResultSet rs = null;
- try {
- p = JForumExecutionContext.getConnection()
- .prepareStatement(SystemGlobals.getSql("KarmaModel.getPostKarma"));
- p.setInt(1, postId);
- rs = p.executeQuery();
- if (rs.next()) {
- karma.setKarmaPoints(Math.round(rs.getDouble(1)));
- }
- return karma;
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(rs, p);
- }
- }
- /**
- * @see net.jforum.dao.KarmaDAO#userCanAddKarma(int, int)
- */
- public boolean userCanAddKarma(int userId, int postId)
- {
- boolean status = true;
- PreparedStatement p = null;
- ResultSet rs = null;
- try {
- p = JForumExecutionContext.getConnection().prepareStatement(
- SystemGlobals.getSql("KarmaModel.userCanAddKarma"));
- p.setInt(1, postId);
- p.setInt(2, userId);
- rs = p.executeQuery();
- if (rs.next()) {
- status = rs.getInt(1) < 1;
- }
- return status;
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(rs, p);
- }
- }
- /**
- * @see net.jforum.dao.KarmaDAO#getUserVotes(int, int)
- */
- public Map getUserVotes(int topicId, int userId)
- {
- Map m = new HashMap();
- PreparedStatement p = null;
- ResultSet rs = null;
- try {
- p = JForumExecutionContext.getConnection()
- .prepareStatement(SystemGlobals.getSql("KarmaModel.getUserVotes"));
- p.setInt(1, topicId);
- p.setInt(2, userId);
- rs = p.executeQuery();
- while (rs.next()) {
- m.put(new Integer(rs.getInt("post_id")), new Integer(rs.getInt("points")));
- }
- return m;
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(rs, p);
- }
- }
- public void getUserTotalKarma(User user)
- {
- PreparedStatement p = null;
- ResultSet rs = null;
- try {
- p = JForumExecutionContext.getConnection().prepareStatement(
- SystemGlobals.getSql("KarmaModel.getUserTotalVotes"));
- p.setInt(1, user.getId());
- rs = p.executeQuery();
- user.setKarma(new KarmaStatus());
- if (rs.next()) {
- user.getKarma().setTotalPoints(rs.getInt("points"));
- user.getKarma().setVotesReceived(rs.getInt("votes"));
- }
- if (user.getKarma().getVotesReceived() != 0)// prevetns division by
- // zero.
- user.getKarma().setKarmaPoints(user.getKarma().getTotalPoints() / user.getKarma().getVotesReceived());
- this.getVotesGiven(user);
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(rs, p);
- }
- }
- private void getVotesGiven(User user)
- {
- PreparedStatement p = null;
- ResultSet rs = null;
- try {
- p = JForumExecutionContext.getConnection().prepareStatement(
- SystemGlobals.getSql("KarmaModel.getUserGivenVotes"));
- p.setInt(1, user.getId());
- rs = p.executeQuery();
- if (rs.next()) {
- user.getKarma().setVotesGiven(rs.getInt("votes"));
- }
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(rs, p);
- }
- }
- /**
- * @see net.jforum.dao.KarmaDAO#getMostRatedUserByPeriod(int, java.util.Date, java.util.Date,
- * String)
- */
- public List getMostRatedUserByPeriod(int start, Date firstPeriod, Date lastPeriod, String orderField)
- {
- String sql = SystemGlobals.getSql("KarmaModel.getMostRatedUserByPeriod");
- sql += " ORDER BY " + orderField + " DESC";
- return this.getMostRatedUserByPeriod(sql, firstPeriod, lastPeriod);
- }
- /**
- *
- * @param sql String
- * @param firstPeriod Date
- * @param lastPeriod Date
- * @return List
- */
- protected List getMostRatedUserByPeriod(String sql, Date firstPeriod, Date lastPeriod)
- {
- if (firstPeriod.after(lastPeriod)) {
- throw new DatabaseException("First Date needs to be before the Last Date");
- }
- PreparedStatement p = null;
- ResultSet rs = null;
- try {
- p = JForumExecutionContext.getConnection().prepareStatement(sql);
- p.setTimestamp(1, new Timestamp(firstPeriod.getTime()));
- p.setTimestamp(2, new Timestamp(lastPeriod.getTime()));
- rs = p.executeQuery();
- return this.fillUser(rs);
- }
- catch (SQLException e) {
- throw new DatabaseException(e);
- }
- finally {
- DbUtils.close(rs, p);
- }
- }
- protected List fillUser(ResultSet rs) throws SQLException
- {
- List usersAndPoints = new ArrayList();
- KarmaStatus karma = null;
- while (rs.next()) {
- User user = new User();
- karma = new KarmaStatus();
- karma.setTotalPoints(rs.getInt("total"));
- karma.setVotesReceived(rs.getInt("votes_received"));
- karma.setKarmaPoints(rs.getDouble("user_karma"));
- karma.setVotesGiven(rs.getInt("votes_given"));
- user.setUsername(rs.getString("username"));
- user.setId(rs.getInt("user_id"));
- user.setKarma(karma);
- usersAndPoints.add(user);
- }
- return usersAndPoints;
- }
- }