(* COCANWIKI - a wiki written in Objective CAML.
 * Written by Richard W.M. Jones <rich@merjis.com>.
 * Copyright (C) 2004 Merjis Ltd.
 * $Id: upload_image_form.ml,v 1.10 2006/03/28 16:24:08 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_template

let run r (q : cgi) dbh hostid _ _ =
  let template = get_template dbh hostid "upload_image_form.html" in

  (* If called with a 'name' argument, prefill the name field.
   * If called with an 'id' argument, get the name field from the
   * database and prefill that field.
   *)
  let name =
    if q#param_exists "name" then q#param "name"
    else if q#param_exists "id" then (
      let id = Int32.of_string (q#param "id") in
      let name = Option.get (
	List.hd (
	  PGSQL(dbh)
	    "select coalesce (name, name_deleted)
               from images
              where hostid = $hostid and id = $id"
	)
      ) in
      name
    )
    else "" in
  template#set "name" name;

  (* Does the user want to replace an existing object? *)
  template#conditional "replace" (q#param_true "replace");

  q#template template

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