*console commands

Added plot purge

PlotSquared/src/com/intellectualcrafters/plot/database/DBFunc.java

@@ -630,7 +630,60 @@ public class DBFunc {
 	}
 
 	public static void purge(final String world) {
-		// TODO purge
+		runTask(new Runnable() {
+			@Override
+			public void run() {
+				ArrayList<Integer> ids = new ArrayList<Integer>();
+				try {
+					PreparedStatement stmt = connection.prepareStatement("SELECT `id`, FROM `plot` WHERE `world` = ?");
+					stmt.setString(1, world);
+					ResultSet result = stmt.executeQuery();
+					while (result.next()) {
+						int id = result.getInt("id");
+						ids.add(id);
+					}
+				}
+				catch (SQLException e) {
+					e.printStackTrace();
+					Logger.add(LogLevel.WARNING, "FAILED TO PURGE WORLD '"+world+"'!");
+					return;
+				}
+				
+				try {
+					
+					String prefix = "";
+					StringBuilder idstr = new StringBuilder("");
+					
+					for (Integer id:ids) {
+						idstr.append(prefix + id);
+						prefix = " OR `plot_plot_id` = ";
+					}
+					
+					PreparedStatement stmt = connection.prepareStatement("DELETE FROM `plot_helpers` WHERE `plot_plot_id` = "+idstr+"");
+					stmt.executeUpdate();
+					stmt.close();
+					
+					stmt = connection.prepareStatement("DELETE FROM `plot_denied` WHERE `plot_plot_id` = "+idstr+"");
+					stmt.executeUpdate();
+					stmt.close();
+					
+					stmt = connection.prepareStatement("DELETE FROM `plot_settings` WHERE `plot_plot_id` = "+idstr+"");
+					stmt.executeUpdate();
+					stmt.close();
+					
+					stmt = connection.prepareStatement("DELETE FROM `plot` WHERE `world` = ?");
+					stmt.setString(1, world);
+					stmt.executeUpdate();
+					stmt.close();
+				}
+				catch (SQLException e) {
+					e.printStackTrace();
+					Logger.add(LogLevel.WARNING, "FAILED TO PURGE WORLD '"+world+"'!");
+					return;
+				}
+				Logger.add(LogLevel.GENERAL, "SUCCESSFULLY PURGED WORLD '"+world+"'!");
+			}
+		});
 	}
 	
 	/**