WechatTicketSystem/src/main/java/love/sola/netsupport/sql/TableConfig.java

/*
 * This file is part of WechatTicketSystem.
 *
 * WechatTicketSystem is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * WechatTicketSystem 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with WechatTicketSystem.  If not, see <http://www.gnu.org/licenses/>.
 */

package love.sola.netsupport.sql;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

import love.sola.netsupport.config.Settings;

/**
 * @author Sola {@literal <dev@sola.love>}
 */
public class TableConfig extends SQLCore {

    public static final String KEY_SYS = "sys";

    public static Settings getSettings() {
        try (Connection conn = ds.getConnection()) {
            Statement st = conn.createStatement();
            ResultSet rs = st.executeQuery("SELECT * FROM settings WHERE type='" + KEY_SYS + "'");
            if (rs.next()) {
                return gson.fromJson(rs.getString("data"), Settings.class);
            }
        } catch (SQLException e) {
        }
        return null;
    }

    public static int saveSettings(Settings obj) {
        try (Connection conn = ds.getConnection()) {
            PreparedStatement ps = conn.prepareStatement("UPDATE settings SET data=? WHERE type=?");
            ps.setString(1, gson.toJson(obj));
            ps.setString(2, KEY_SYS);
            return ps.executeUpdate();
        } catch (SQLException e) {
        }
        return -1;
    }

}