(* COCANWIKI - a wiki written in Objective CAML.
 * Written by Richard W.M. Jones <rich@merjis.com>.
 * Copyright (C) 2004 Merjis Ltd.
 * $Id: images.ml,v 1.7 2004/09/09 12:21:22 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

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

  let deleted = q#param_true "deleted" in
  template#conditional "deleted" deleted;

  let sql =
    "select id, name, name_deleted, width, height, alt, octet_length (image),
            tn_width, tn_height
       from images
      where hostid = ? and " ^
    (if not deleted then "name is not null"
     else "name_deleted is not null") ^
    " order by 2, 3" in
  let sth = dbh#prepare_cached sql in
  sth#execute [`Int hostid];

  let table =
    sth#map
      (fun row ->
	 let id, name, width, height, alt, size, tn_width, tn_height,
	   is_deleted, has_thumbnail =
	   match row with
	     | [`Int id; `String name; `Null; `Int width; `Int height;
		`String alt; `Int size; `Int tn_width; `Int tn_height] ->
		 id, name, width, height, alt, size, tn_width, tn_height,
		 false, true
	     | [`Int id; `Null; `String name; `Int width; `Int height;
		`String alt; `Int size; `Int tn_width; `Int tn_height] ->
		 id, name, width, height, alt, size, tn_width, tn_height,
		 true, true
	     | [`Int id; `String name; `Null; `Int width; `Int height;
		`String alt; `Int size; `Null; `Null] ->
		 id, name, width, height, alt, size, 0, 0,
		 false, false
	     | [`Int id; `Null; `String name; `Int width; `Int height;
		`String alt; `Int size; `Null; `Null] ->
		 id, name, width, height, alt, size, 0, 0,
		 true, false
	     | _ -> assert false in
	 [ "id", Template.VarString (string_of_int id);
	   "name", Template.VarString name;
	   "width", Template.VarString (string_of_int width);
	   "height", Template.VarString (string_of_int height);
	   "alt", Template.VarString alt;
	   "ksize", Template.VarString (string_of_int (size / 1024));
	   "tn_width", Template.VarString (string_of_int tn_width);
	   "tn_height", Template.VarString (string_of_int tn_height);
	   "is_deleted", Template.VarConditional is_deleted;
	   "has_thumbnail", Template.VarConditional has_thumbnail ]) in

  template#table "images" table;

  q#template template

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