1 (* COCANWIKI - a wiki written in Objective CAML.
2 * Written by Richard W.M. Jones <rich@merjis.com>.
3 * Copyright (C) 2004 Merjis Ltd.
4 * $Id: recent.ml,v 1.10 2005/11/23 11:32:13 rich Exp $
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; see the file COPYING. If not, write to
18 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
28 open Cocanwiki_template
31 let default_offset = 0
32 let default_limit = 100
35 let run r (q : cgi) (dbh : Dbi.connection) hostid _ _ =
36 let template = get_template dbh hostid "recent.html" in
38 (* Count the number of changes. *)
39 let sth = dbh#prepare_cached
40 "select count(*)::int4 from pages where hostid = ?" in
41 sth#execute [`Int hostid];
42 let count = sth#fetch1int () in
44 (* Get the offset and limit specified, and adjust them so that we will
45 * be displaying some changes.
48 try int_of_string (q#param "offset") with Not_found -> default_offset in
50 try int_of_string (q#param "limit") with Not_found -> default_limit in
54 else if limit > max_limit then max_limit
58 else if offset >= count then max 0 (count - limit)
61 template#set "offset" (string_of_int offset);
62 template#set "last" (string_of_int (min (offset + limit) count - 1));
63 template#set "limit" (string_of_int limit);
64 template#set "count" (string_of_int count);
66 template#conditional "has_next" (offset + limit < count);
67 template#set "next_offset" (string_of_int (offset + limit));
68 template#conditional "has_prev" (offset > 0);
69 template#set "prev_offset" (string_of_int (max 0 (offset - limit)));
71 (* Get the actual changes. *)
74 "select p.id, p.url, p.url_deleted, p.title, p.last_modified_date,
76 from pages p left outer join users u on p.logged_user = u.id
78 order by p.last_modified_date desc
80 sth#execute [`Int hostid; `Int offset; `Int limit];
85 | [`Int version; `String url; _; `String title;
86 `Timestamp last_modified_date; logged_ip; logged_user] ->
87 let date = printable_date_time last_modified_date in
88 let has_logged_ip, logged_ip =
91 | `String ip -> true, ip
92 | _ -> assert false in
93 let has_logged_user, logged_user =
94 match logged_user with
96 | `String name -> true, name
97 | _ -> assert false in
98 [ "version", Template.VarString (string_of_int version);
99 "url", Template.VarString url;
100 "title", Template.VarString title;
101 "last_modified_date", Template.VarString date;
102 "has_logged_ip", Template.VarConditional has_logged_ip;
103 "logged_ip", Template.VarString logged_ip;
104 "has_logged_user", Template.VarConditional has_logged_user;
105 "logged_user", Template.VarString logged_user;
106 "is_live", Template.VarConditional true ]
107 | [`Int version; `Null; `String url; `String title;
108 `Timestamp last_modified_date; logged_ip; logged_user] ->
109 let date = printable_date_time last_modified_date in
110 let has_logged_ip, logged_ip =
113 | `String ip -> true, ip
114 | _ -> assert false in
115 let has_logged_user, logged_user =
116 match logged_user with
118 | `String name -> true, name
119 | _ -> assert false in
120 [ "version", Template.VarString (string_of_int version);
121 "url", Template.VarString url;
122 "title", Template.VarString title;
123 "last_modified_date", Template.VarString date;
124 "has_logged_ip", Template.VarConditional has_logged_ip;
125 "logged_ip", Template.VarString logged_ip;
126 "has_logged_user", Template.VarConditional has_logged_user;
127 "logged_user", Template.VarString logged_user;
128 "is_live", Template.VarConditional false ]
129 | _ -> assert false) in
131 template#table "recent_changes" table;
136 register_script ~restrict:[CanEdit] run