(* COCANWIKI - a wiki written in Objective CAML.
 * Written by Richard W.M. Jones <rich@merjis.com>.
 * Copyright (C) 2004 Merjis Ltd.
 * $Id: delete_contact.ml,v 1.6 2006/07/26 13:12:10 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_ok

let run r (q : cgi) dbh hostid { hostname = hostname } _ =
  (* Cancel? *)
  if q#param_true "cancel" then
    q#redirect ("http://" ^ hostname ^ "/_bin/contacts.cmo");

  (* We can delete multiple contact forms from this script, which is
   * quite unusual.
   *)
  let ids = List.map Int32.of_string (q#param_all "delete") in
  if ids = [] then
    q#redirect ("http://" ^ hostname ^ "/_bin/contacts.cmo");

  (* Need to check the contact emails all belong to this host. *)
  let rows = PGSQL(dbh)
    "select count(*)::int4 from contacts
      where hostid = $hostid and id in $@ids" in
  assert (List.length rows = List.length ids);

  (* Delete them. *)
  PGSQL(dbh) "delete from contact_emails where contactid in $@ids";
  PGSQL(dbh) "delete from contacts where hostid = $hostid and id in $@ids";

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

  ok ~title:"Contact form(s) deleted" ~buttons:[ok_button "/_bin/contacts.cmo"]
    dbh hostid q "Those contact form(s) were deleted."

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