(* COCANWIKI - a wiki written in Objective CAML.
 * Written by Richard W.M. Jones <rich@merjis.com>.
 * Copyright (C) 2004 Merjis Ltd.
 * $Id: create_macro.ml,v 1.1 2006/07/26 16:26:43 rich Exp $
 *
 * 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; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *)

open Apache
open Registry
open Cgi
open Printf

open Cocanwiki
open Cocanwiki_ok
open Cocanwiki_strings

let name_re = Pcre.regexp "^\\w+$"

let run r (q : cgi) dbh hostid _ _ =
  let name = trim (q#param "name") in
  let content = q#param "content" in

  if name = "" then (
    error ~back_button:true ~title:"Name field missing"
      dbh hostid q "You must name your macro.";
    return ()
  );

  if not (Pcre.pmatch ~rex:name_re name) then (
    error ~back_button:true ~title:"Name field invalid"
      dbh hostid q "Name field can only contain letters and numbers.";
    return ()
  );

  (* XXX Check it doesn't already exist. *)

  (* Update the database. *)
  PGSQL(dbh) "insert into macros (hostid, name, content)
              values ($hostid, $name, $content)";

  (* Finish off. *)
  PGOCaml.commit dbh;

  let buttons = [ ok_button "/_bin/edit_macros.cmo" ] in
  ok ~title:"Macro created" ~buttons dbh hostid q
    "That macro was created."

let () =
  register_script ~restrict:[CanEditMacros] run