(* COCANWIKI - a wiki written in Objective CAML.
 * Written by Richard W.M. Jones <rich@merjis.com>.
 * Copyright (C) 2004 Merjis Ltd.
 * $Id: stats.ml,v 1.6 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
open Cocanwiki_server_settings

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

  let page = q#param "page" in

  (* Get the stats_page. *)
  let stats_page =
    match server_settings_stats_page dbh with
	None -> failwith "no server_settings.stats_page set up for this server"
      | Some s -> s in

  template#set "stats_page" stats_page;

  (* Get the current business week. *)
  let year, week =
    let date =
      let tm = Unix.gmtime (Unix.time ()) in
      Date.make (tm.Unix.tm_year + 1900) (tm.Unix.tm_mon + 1) tm.Unix.tm_mday
    in
    let year, week, _ = Date.to_business date in
    year, week in

  template#set "year" (string_of_int year);
  template#set "week" (string_of_int week);

  (* Standard hashing function which we also use in tools/rocket/analysis.ml *)
  let hash s = Digest.to_hex (Digest.string s) in

  let url = "/" ^ if page = "index" then "" else page in
  let h = hash url in

  template#set "page" page;
  template#set "url" url;
  template#set "hash" h;
  template#set "hostname" canonical_hostname;

  q#template template

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