(* COCANWIKI - a wiki written in Objective CAML.
 * Written by Richard W.M. Jones <rich@merjis.com>.
 * Copyright (C) 2004 Merjis Ltd.
 * $Id: sitemap.ml,v 1.8 2006/03/27 18:09:46 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_date
open Cocanwiki_strings

let run r (q : cgi) dbh hostid { hostname = hostname } _ =
  let template = get_template dbh hostid "sitemap.html" in

  (* Pull out all the current pages, and a bit of content from each. *)
  let sth = dbh#prepare_cached "select p.url, p.url = 'index',
                                       p.title, p.description,
                                       p.last_modified_date,
                                       (select content from contents
                                         where pageid = p.id
                                         order by ordering limit 1) as content
                                  from pages p
                                 where p.hostid = ? and p.url is not null
                                   and p.redirect is null
                                 order by 2 desc, 3, 1" in
  sth#execute [Some hostid];

  let table =
    sth#map
      (function [Some url; _; Some title; Some description;
		 `Timestamp last_modified_date;
		 (None | Some _) as content] ->
	 let url = if url = "index" then "" else url in
	 let date = printable_date last_modified_date in
	 [ "url", Template.VarString url;
	   "title", Template.VarString title;
	   "description", Template.VarString description;
	   "last_modified_date", Template.VarString date;
	   "has_content", Template.VarConditional (content <> None);
	   "content", Template.VarString
	     (match content with
		  None -> ""
		| Some c ->
		    truncate 160
		      (Wikilib.text_of_xhtml
			 (Wikilib.xhtml_of_content dbh hostid c))) ]
	 | _ -> assert false) in

  template#set "hostname" hostname;
  template#table "sitemap" table;

  q#template template

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