TARDISPortalPersister.java

/*
 * Copyright (C) 2016 eccentric_nz
 *
 * 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 me.eccentric_nz.TARDIS.move;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Map;
import java.util.UUID;
import me.eccentric_nz.TARDIS.TARDIS;
import me.eccentric_nz.TARDIS.database.TARDISDatabaseConnection;
import me.eccentric_nz.TARDIS.enumeration.COMPASS;
import org.bukkit.Location;

/**
 *
 * @author eccentric_nz
 */
public class TARDISPortalPersister {

    private final TARDIS plugin;
    private final TARDISDatabaseConnection service = TARDISDatabaseConnection.getInstance();
    private final Connection connection = service.getConnection();
    private PreparedStatement ps = null;
    private ResultSet rs = null;
    private int count = 0;
    private int counta = 0;
    private final String prefix;

    public TARDISPortalPersister(TARDIS plugin) {
        this.plugin = plugin;
        this.prefix = this.plugin.getPrefix();
    }

    public void save() {
        try {
            // save the portals
            ps = connection.prepareStatement("INSERT INTO " + prefix + "portals (portal, teleport, direction, tardis_id, abandoned) VALUES (?,?,?,?,?)");
            for (Map.Entry<Location, TARDISTeleportLocation> map : plugin.getTrackerKeeper().getPortals().entrySet()) {
                TARDISTeleportLocation ttpl = map.getValue();
                ps.setString(1, map.getKey().toString());
                ps.setString(2, ttpl.getLocation().toString());
                ps.setString(3, ttpl.getDirection().toString());
                ps.setInt(4, ttpl.getTardisId());
                ps.setInt(5, (ttpl.isAbandoned() ? 1 : 0));
                if (ttpl.isAbandoned()) {
                    counta += ps.executeUpdate();
                } else {
                    count += ps.executeUpdate();
                }
            }
            if (count > 0) {
                plugin.getConsole().sendMessage(plugin.getPluginName() + "Saved " + count + " portals.");
            }
            if (counta > 0) {
                plugin.getConsole().sendMessage(plugin.getPluginName() + "Saved " + counta + " abandoned portals.");
            }
            // save the players
            ps = connection.prepareStatement("INSERT INTO " + prefix + "movers (uuid) VALUES (?)");
            for (UUID uuid : plugin.getTrackerKeeper().getMover()) {
                ps.setString(1, uuid.toString());
                ps.executeUpdate();
            }
        } catch (SQLException ex) {
            plugin.debug("Insert error for portals table: " + ex.getMessage());
        } finally {
            try {
                if (ps != null) {
                    ps.close();
                }
            } catch (SQLException ex) {
                plugin.debug("Error closing portals statement: " + ex.getMessage());
            }
        }
    }

    public void load() {
        try {
            ps = connection.prepareStatement("SELECT * FROM " + prefix + "portals");
            rs = ps.executeQuery();
            if (rs.isBeforeFirst()) {
                while (rs.next()) {
                    String p = rs.getString("portal");
                    String t = rs.getString("teleport");
                    // check for null worlds
                    if (!p.contains("null") && !t.contains("null")) {
                        Location portal = plugin.getLocationUtils().getLocationFromBukkitString(p);
                        Location teleport = plugin.getLocationUtils().getLocationFromBukkitString(t);
                        if (portal != null && teleport != null) {
                            COMPASS direction = COMPASS.valueOf(rs.getString("direction"));
                            TARDISTeleportLocation ttpl = new TARDISTeleportLocation();
                            ttpl.setLocation(teleport);
                            ttpl.setDirection(direction);
                            ttpl.setTardisId(rs.getInt("tardis_id"));
                            boolean abandoned = rs.getBoolean("abandoned");
                            ttpl.setAbandoned(abandoned);
                            plugin.getTrackerKeeper().getPortals().put(portal, ttpl);
                            if (abandoned) {
                                counta++;
                            } else {
                                count++;
                            }
                        }
                    }
                }
            }
            if (count > 0) {
                plugin.getConsole().sendMessage(plugin.getPluginName() + "Loaded " + count + " portals.");
            }
            if (counta > 0) {
                plugin.getConsole().sendMessage(plugin.getPluginName() + "Loaded " + counta + " abandoned portals.");
            }
            // clear the portals table so we don't get any duplicates when saving them
            ps = connection.prepareStatement("DELETE FROM " + prefix + "portals");
            ps.executeUpdate();
            // load the players associated with the portals
            ps = connection.prepareStatement("SELECT uuid FROM " + prefix + "movers");
            rs = ps.executeQuery();
            if (rs.isBeforeFirst()) {
                while (rs.next()) {
                    plugin.getTrackerKeeper().getMover().add(UUID.fromString(rs.getString("uuid")));
                }
            }
            // clear the movers table so we don't get any duplicates when saving them
            ps = connection.prepareStatement("DELETE FROM " + prefix + "movers");
            ps.executeUpdate();
        } catch (SQLException ex) {
            plugin.debug("ResultSet error for portals table: " + ex.getMessage());
        } finally {
            try {
                if (ps != null) {
                    ps.close();
                }
                if (rs != null) {
                    rs.close();
                }
            } catch (SQLException ex) {
                plugin.debug("Error closing portals statement or resultset: " + ex.getMessage());
            }
        }
    }
}