(* HCoop Domtool (http://hcoop.sourceforge.net/)
 * Copyright (c) 2006, Adam Chlipala
 *
 * 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *)

(* Mailman mailing list handling *)

structure Mailman :> MAILMAN = struct

val files = ref ([] : TextIO.outstream list)
val write = ref (fn _ : string => ())

val () = Env.action_one "mailmanWebHost"
			("hostname", Env.string)
			(fn host =>
			    let
				val outf = Domain.domainFile {node = Config.Mailman.node,
							      name = "mailman"}
			    in
				TextIO.output (outf, "\t'");
				TextIO.output (outf, host);
				TextIO.output (outf, "' : '");
				TextIO.output (outf, Domain.currentDomain ());
				TextIO.output (outf, "',\n");
				TextIO.closeOut outf
			    end)

val mailmanChanged = ref false

val () = Slave.registerPreHandler (fn () => mailmanChanged := false)

val () = Slave.registerFileHandler (fn fs =>
				       let
					   val spl = OS.Path.splitDirFile (#file fs)
				       in
					   case #file spl of
					       "mailman" => mailmanChanged := true
					     | _ => ()
				       end)

val () = Slave.registerPostHandler (fn () =>
				       if !mailmanChanged then
					   (Slave.concatTo (fn s => s = "mailman")
							   Config.Mailman.mapFile;
				            Slave.enumerateTo (fn s => s = "mailman") ":"
							      Config.Mailman.handleDomains;
							      Slave.shellF ([Config.Mailman.reload],
						       fn cl => "Error reloading Mailman with " ^ cl))
				       else
					   ())

end