(* COCANWIKI scripts.
 * Written by Richard W.M. Jones <rich@merjis.com>.
 * Copyright (C) 2004 Merjis Ltd.
 * $Id: sitemap.ml,v 1.3 2004/09/07 14:58:34 rich Exp $
 *)

open Apache
open Registry
open Cgi
open Printf

open Cocanwiki
open Cocanwiki_template
open Cocanwiki_date
open Cocanwiki_strings

let template = get_template "sitemap.html"

let run r (q : cgi) (dbh : Dbi.connection) (hostid, hostname, _) _ =
  (* 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 [`Int hostid];

  let table =
    sth#map
      (function [`String url; _; `String title; `String description;
		 `Timestamp last_modified_date;
		 (`Null | `String _) 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 <> `Null);
	   "content", Template.VarString
	     (match content with
		  `Null -> ""
		| `String 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 run