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/*
* Juick
* Copyright (C) 2008-2011, Ugnich Anton
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.juick.server;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
/**
*
* @author Ugnich Anton
*/
public class TagQueries {
public static com.juick.Tag getTag(Connection sql, String tag, boolean autoCreate) {
com.juick.Tag ret = null;
PreparedStatement stmt = null;
ResultSet rs = null;
try {
stmt = sql.prepareStatement("SELECT tag_id,name FROM tags WHERE name=?");
stmt.setString(1, tag);
rs = stmt.executeQuery();
rs.beforeFirst();
while (rs.next()) {
ret = new com.juick.Tag();
ret.TID = rs.getInt(1);
ret.Name = rs.getString(2);
}
} catch (SQLException e) {
System.err.println(e);
} finally {
Utils.finishSQL(rs, stmt);
}
if (ret == null && autoCreate) {
try {
stmt = sql.prepareStatement("INSERT INTO tags(name) VALUES (?)", Statement.RETURN_GENERATED_KEYS);
stmt.setString(1, tag);
stmt.executeUpdate();
rs = stmt.getGeneratedKeys();
if (rs.first()) {
ret = new com.juick.Tag();
ret.TID = rs.getInt(1);
ret.Name = tag;
}
} catch (SQLException e) {
System.err.println(e);
} finally {
Utils.finishSQL(rs, stmt);
}
}
return ret;
}
public static ArrayList<com.juick.Tag> getUserTagsAll(Connection sql, int uid) {
ArrayList<com.juick.Tag> tags = new ArrayList<com.juick.Tag>();
PreparedStatement stmt = null;
ResultSet rs = null;
try {
stmt = sql.prepareStatement("SELECT tags.name,COUNT(messages.message_id) FROM (messages INNER JOIN messages_tags ON (messages.user_id=? AND messages.message_id=messages_tags.message_id)) INNER JOIN tags ON messages_tags.tag_id=tags.tag_id GROUP BY tags.tag_id ORDER BY tags.name ASC");
stmt.setInt(1, uid);
rs = stmt.executeQuery();
rs.beforeFirst();
while (rs.next()) {
com.juick.Tag t = new com.juick.Tag();
t.Name = rs.getString(1);
t.UsageCnt = rs.getInt(2);
tags.add(t);
}
} catch (SQLException e) {
System.err.println(e);
} finally {
Utils.finishSQL(rs, stmt);
}
return tags;
}
public static ArrayList<String> getUserBLTags(Connection sql, int uid) {
ArrayList<String> tags = new ArrayList<String>();
PreparedStatement stmt = null;
ResultSet rs = null;
try {
stmt = sql.prepareStatement("SELECT tags.name FROM tags INNER JOIN bl_tags ON (bl_tags.user_id=? AND bl_tags.tag_id=tags.tag_id)");
stmt.setInt(1, uid);
rs = stmt.executeQuery();
rs.beforeFirst();
while (rs.next()) {
tags.add(rs.getString(1));
}
} catch (SQLException e) {
System.err.println(e);
} finally {
Utils.finishSQL(rs, stmt);
}
return tags;
}
}
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