(* COCANWIKI - a wiki written in Objective CAML.
 * Written by Richard W.M. Jones <rich@merjis.com>.
 * Copyright (C) 2004 Merjis Ltd.
 * $Id: delete_user_form.ml,v 1.3 2004/10/30 10:16:10 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
open Cocanwiki_ok

let run r (q : cgi) (dbh : Dbi.connection) hostid _ self =
  let template = get_template dbh hostid "delete_user_form.html" in

  let userid = int_of_string (q#param "userid") in
  template#set "userid" (string_of_int userid);

  (* Can't delete self! *)
  let () =
    match self with
      | User (id, _, _, _) when id = userid ->
	  error ~back_button:true ~title:"Delete own account"
	    q "You cannot delete your own user account.";
	  return ()
      | _ -> () in

  (* Get this user from the database. *)
  let sth = dbh#prepare_cached "select name, email from users
                                 where id = ? and hostid = ?" in
  sth#execute [`Int userid; `Int hostid];

  let username, email =
    match sth#fetch1 () with
	[ `String username; `String email ] ->
	  username, email
      | [ `String username; `Null ] ->
	  username, ""
      | _ -> assert false in

  template#set "username" username;
  template#set "email" email;

  q#template template

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