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

let template = _get_template "admin/host.html"

let run r (q : cgi) (dbh : Dbi.connection) _ _ _ =
  let hostid = int_of_string (q#param "hostid") in

  template#set "id" (string_of_int hostid);

  (* Pull out some overall details for this host. *)
  let sth = dbh#prepare_cached
	      "select h.canonical_hostname, h.css is not null,
                      (select count(*) from pages
                        where hostid = h.id and url is not null),
                      (select count(*) from pages
                        where hostid = h.id),
                      (select max(last_modified_date) from pages
                        where hostid = h.id and url is not null),
                      (select min(last_modified_date) from pages
                        where hostid = h.id and url is not null)
                 from hosts h
                where h.id = ?" in
  sth#execute [`Int hostid];

  let canonical_hostname, has_css, page_count, total_count,
    last_modified_date, creation_date =
    match sth#fetch1 () with
	[ `String canonical_hostname;
	  `Bool has_css;
	  (`Null | `Int _) as page_count; (`Null | `Int _) as total_count;
	  (`Null | `Timestamp _) as last_modified_date;
	  (`Null | `Timestamp _) as creation_date ] ->
	  let page_count = match page_count with
	      `Null -> 0
	    | `Int n -> n in
	  let total_count = match total_count with
	      `Null -> 0
	    | `Int n -> n in
	  let last_modified_date = match last_modified_date with
	      `Null -> ""
	    | `Timestamp t -> printable_date t in
	  let creation_date = match creation_date with
	      `Null -> ""
	    | `Timestamp t -> printable_date t in
	  canonical_hostname, has_css, page_count, total_count,
	  last_modified_date, creation_date
      | _ -> assert false in

  template#set "canonical_hostname" canonical_hostname;
  template#conditional "has_css" has_css;
  template#set "page_count" (string_of_int page_count);
  template#set "total_count" (string_of_int total_count);
  template#set "last_modified_date" last_modified_date;
  template#set "creation_date" creation_date;

  (* Pull out any aliases. *)
  let sth = dbh#prepare_cached "select name from hostnames
                                 where hostid = ?
                                   and name <> ?" in
  sth#execute [`Int hostid; `String canonical_hostname];

  let table = sth#map (function [`String hostname] ->
			 [ "hostname", Template.VarString hostname ]
			 | _ -> assert false) in
  template#table "hostnames" table;

  (* Pull out any email notifications. *)
  let sth = dbh#prepare_cached "select email, name from email_notify
                                 where hostid = ?" in
  sth#execute [`Int hostid];

  let table = sth#map (function
			   [`String email; `Null] ->
			     [ "email", Template.VarString email;
			       "name", Template.VarString "" ]
			 | [ `String email; `String name] ->
			     [ "email", Template.VarString email;
			       "name", Template.VarString name ]
			 | _ -> assert false) in
  template#table "emails" table;

  q#template template

let () =
  register_script run