(* COCANWIKI - a wiki written in Objective CAML.
 * Written by Richard W.M. Jones <rich@merjis.com>.
 * Copyright (C) 2004 Merjis Ltd.
 * $Id: edit_host_css.ml,v 1.5 2004/09/09 12:21:22 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 run r (q : cgi) (dbh : Dbi.connection) _ _ _ =
  let hostid = int_of_string (q#param "hostid") in

  let css = q#param "css" in

  let css = if string_is_whitespace css then `Null else `String css in

  (* XXX We should version the global stylesheet.  However this requires
   * some fairly non-trivial coding.
   *)
  let sth = dbh#prepare_cached "update hosts set css = ? where id = ?" in
  sth#execute [css; `Int hostid];

  dbh#commit ();

  let buttons = [
    { StdPages.label = "OK";
      StdPages.link = "/_bin/admin/host.cmo";
      StdPages.method_ = None;
      StdPages.params = [ "hostid", string_of_int hostid ] };
    { StdPages.label = "Edit stylesheet again";
      StdPages.link = "/_bin/admin/edit_host_css_form.cmo";
      StdPages.method_ = None;
      StdPages.params = [ "hostid", string_of_int hostid ] }
  ] in

  ok ~title:"Stylesheet changed" ~buttons
    q ("The stylesheet was changed successfully.  " ^
       "Note: You must RELOAD the page to see changes to stylesheets.")

let () =
  register_script run