RaidBossPointsManager.java

/*
 * This program is free software: you can redistribute it and/or modify it under the terms of the GNU 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If
 * not, see <http://www.gnu.org/licenses/>.
 */
package silentium.gameserver.instancemanager;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;

import javolution.util.FastMap;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import silentium.commons.database.DatabaseFactory;
import silentium.gameserver.model.actor.instance.L2PcInstance;

/**
 * @author Kerberos JIV update 24.8.10
 */
public class RaidBossPointsManager
{
	private final static Logger _log = LoggerFactory.getLogger(RaidBossPointsManager.class.getName());

	private FastMap<Integer, Map<Integer, Integer>> _list;

	private final Comparator<Map.Entry<Integer, Integer>> _comparator = new Comparator<Map.Entry<Integer, Integer>>()
	{
		@Override
		public int compare(Map.Entry<Integer, Integer> entry, Map.Entry<Integer, Integer> entry1)
		{
			return entry.getValue().equals(entry1.getValue()) ? 0 : entry.getValue() < entry1.getValue() ? 1 : -1;
		}
	};

	public static final RaidBossPointsManager getInstance()
	{
		return SingletonHolder._instance;
	}

	public RaidBossPointsManager()
	{
		init();
	}

	private final void init()
	{
		_list = new FastMap<>();
		try (Connection con = DatabaseFactory.getConnection())
		{
			PreparedStatement statement = con.prepareStatement("SELECT `char_id`,`boss_id`,`points` FROM `character_raid_points`");
			ResultSet rset = statement.executeQuery();
			while (rset.next())
			{
				int charId = rset.getInt("char_id");
				int bossId = rset.getInt("boss_id");
				int points = rset.getInt("points");
				Map<Integer, Integer> values = _list.get(charId);
				if (values == null)
					values = new FastMap<>();

				values.put(bossId, points);
				_list.put(charId, values);
			}
			rset.close();
			statement.close();
			_log.info(getClass().getSimpleName() + ": Loaded " + _list.size() + " characters with Raid Points infos.");
		}
		catch (SQLException e)
		{
			_log.warn("RaidPointsManager: Couldnt load Raid Points characters infos ", e);
		}
	}

	public static final void updatePointsInDB(L2PcInstance player, int raidId, int points)
	{
		try (Connection con = DatabaseFactory.getConnection())
		{
			PreparedStatement statement = con.prepareStatement("REPLACE INTO character_raid_points (`char_id`,`boss_id`,`points`) VALUES (?,?,?)");
			statement.setInt(1, player.getObjectId());
			statement.setInt(2, raidId);
			statement.setInt(3, points);
			statement.executeUpdate();
			statement.close();
		}
		catch (Exception e)
		{
			_log.warn("could not update char raid points:", e);
		}
	}

	public final void addPoints(L2PcInstance player, int bossId, int points)
	{
		int ownerId = player.getObjectId();
		Map<Integer, Integer> tmpPoint = _list.get(ownerId);
		if (tmpPoint == null)
		{
			tmpPoint = new HashMap<>();
			tmpPoint.put(bossId, points);
			updatePointsInDB(player, bossId, points);
		}
		else
		{
			int currentPoins = tmpPoint.containsKey(bossId) ? tmpPoint.get(bossId) : 0;
			currentPoins += points;
			tmpPoint.put(bossId, currentPoins);
			updatePointsInDB(player, bossId, currentPoins);
		}
		_list.put(ownerId, tmpPoint);
	}

	public final int getPointsByOwnerId(int ownerId)
	{
		Map<Integer, Integer> tmpPoint = _list.get(ownerId);
		if (tmpPoint == null || tmpPoint.isEmpty())
			return 0;

		int totalPoints = 0;
		for (int points : tmpPoint.values())
			totalPoints += points;

		return totalPoints;
	}

	public final Map<Integer, Integer> getList(L2PcInstance player)
	{
		return _list.get(player.getObjectId());
	}

	public final void cleanUp()
	{
		try (Connection con = DatabaseFactory.getConnection())
		{
			PreparedStatement statement = con.prepareStatement("DELETE from character_raid_points WHERE char_id > 0");
			statement.executeUpdate();
			statement.close();
			_list.clear();
		}
		catch (Exception e)
		{
			_log.warn("could not clean raid points: ", e);
		}
	}

	public final int calculateRanking(int playerObjId)
	{
		Map<Integer, Integer> rank = getRankList();
		if (rank.containsKey(playerObjId))
			return rank.get(playerObjId);

		return 0;
	}

	public Map<Integer, Integer> getRankList()
	{
		Map<Integer, Integer> tmpRanking = new FastMap<>();
		Map<Integer, Integer> tmpPoints = new FastMap<>();

		for (int ownerId : _list.keySet())
		{
			int totalPoints = getPointsByOwnerId(ownerId);
			if (totalPoints != 0)
				tmpPoints.put(ownerId, totalPoints);
		}
		ArrayList<Entry<Integer, Integer>> list = new ArrayList<>(tmpPoints.entrySet());

		Collections.sort(list, _comparator);

		int ranking = 1;
		for (Map.Entry<Integer, Integer> entry : list)
			tmpRanking.put(entry.getKey(), ranking++);

		return tmpRanking;
	}

	private static class SingletonHolder
	{
		protected static final RaidBossPointsManager _instance = new RaidBossPointsManager();
	}
}