Core/src/eu/univento/core/api/player/BanSystem.java

package eu.univento.core.api.player;

import eu.univento.core.Core;
import eu.univento.core.api.database.MySQL;
import eu.univento.core.api.utils.NameFetcher;

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.List;
import java.util.UUID;

/**
 * bans and unbans players
 * @author joethei
 * @version 1.2
 */
public class BanSystem{
	
 /**
 * sets player banned
 * @param p player
 * @param reason reason
 * @param who who banned
 * @param time duration
 * @throws SQLException SQL server not available or throwing error
 * @throws ClassNotFoundException class couldn't be found
 */
static void setBanned(CustomPlayer p, String reason, CustomPlayer who, int time)throws SQLException, ClassNotFoundException {
    int id = p.getID();
	MySQL sql = Core.returnSQL();
	sql.openConnection();
    
    Date date = new Date();
    date.setTime(date.getTime() + (time * 24));
    Timestamp timestamp = new Timestamp(date.getTime());
    
    PreparedStatement st = sql.getConnection().prepareStatement("INSERT INTO bans (BID, Reason, until, BannerID) VALUES ('" + id + "', '" + reason + "', '" + who.getID() + "', '" + timestamp + "');");
    st.execute();
    p.kickPlayer("§cYou have been banned. §6Reason: " + reason + "\nUntil: " + timestamp);
    who.sendMessage("§cDu hast den Spieler " + p.getColor() + p.getName() + "§c für " + time + " Tage gebannt wegen " + reason);
    sql.closeConnection();
  }

/**
 * unbans a player
 * @param p player
 * @throws SQLException SQL server not available or throwing error
 * @throws ClassNotFoundException class couldn't be found
 */
static void removeAllBans(CustomPlayer p) throws SQLException, ClassNotFoundException{
    int id = p.getID();
	MySQL sql = Core.returnSQL();
	sql.openConnection();
	PreparedStatement st = sql.getConnection().prepareStatement("DELETE FROM bans WHERE ID ='" + id + "';");
	st.execute();
    sql.closeConnection();
  }

/**
 * checks if player is banned
 * @param p player
 * @return true /false
 * @throws SQLException SQL server not available or throwing error
 * @throws ClassNotFoundException class couldn't be found
 */
static boolean isBanned(CustomPlayer p) throws SQLException, ClassNotFoundException {
    int id = p.getID();
	MySQL sql = Core.returnSQL();
	PreparedStatement st = sql.getConnection().prepareStatement("SELECT * FROM bans WHERE ID='" + id + "';");
    ResultSet rs = st.executeQuery();
    if(rs.next()) {
        Date date = new Date();
        Timestamp time = new Timestamp(date.getTime());
        sql.closeConnection();
        return time.before(getBanTime(p));
    }else {
    	sql.closeConnection();
    	return false;
    }

  }

    static Timestamp getBanTime(CustomPlayer p) throws SQLException {
        int id = p.getID();
        MySQL sql = Core.returnSQL();
        PreparedStatement st = sql.getConnection().prepareStatement("SELECT * FROM bans WHERE ID='" + id + "';");
        ResultSet rs = st.executeQuery();
        if(rs.next()) {
            Timestamp time = rs.getTimestamp("until");
            sql.closeConnection();
            return time;
        }
        sql.closeConnection();
        return null;
    }

/**
 * return reason for ban
 * @param p player
 * @return String
 * @throws SQLException SQL server not available or throwing error
 * @throws ClassNotFoundException class couldn't be found
 */
static String getBanReason(CustomPlayer p)throws SQLException, ClassNotFoundException {
    int id = p.getID();
	MySQL sql = Core.returnSQL();
	sql.openConnection();
	PreparedStatement st = sql.getConnection().prepareStatement("SELECT * FROM bans WHERE ID='" + id + "';");
    ResultSet rs = st.executeQuery();
    if(rs.next()) {
    	String reason = rs.getString("Reason");
    	sql.closeConnection();
    	return reason;
    }else {
    	sql.closeConnection();
    	return null;
    }
  }

/**
 * gets the name of the player who banned the player
 * @param p player
 * @return String
 * @throws SQLException SQL server not available or throwing error
 * @throws ClassNotFoundException class couldn't be found
 */
static String getWhoBanned(CustomPlayer p)throws SQLException, ClassNotFoundException {
    int id = p.getID();
	MySQL sql = Core.returnSQL();
	sql.openConnection();
    ResultSet rs = Core.returnSQL().getConnection().createStatement().executeQuery("SELECT * FROM bans WHERE ID='" + id + "';");
    if (!rs.next()) {
    	sql.closeConnection();
    	return null;
    }
    String whouuid = rs.getString("who");
    UUID who = UUID.fromString(whouuid);
    List<UUID> list = new ArrayList<>();
    list.add(who);
    NameFetcher name = new NameFetcher(list);
    sql.closeConnection();
    return name.toString();
  }
}