2 // $Id: RecentChangesCached.php 8071 2011-05-18 14:56:14Z vargenau $
4 * Copyright 1999, 2000, 2001, 2002 $ThePhpWikiProgrammingTeam
5 * Copyright (C) 2002 Johannes Große |
7 * This file is part of PhpWiki.
9 * PhpWiki is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * PhpWiki is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License along
20 * with PhpWiki; if not, write to the Free Software Foundation, Inc.,
21 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 /* There is a bug in it:
25 When the cache is empty and you safe the wikipages,
26 an immediately created cached output of
27 RecentChanges will at the rss-image-link include
31 require_once 'lib/WikiPluginCached.php';
32 require_once 'lib/plugin/RecentChanges.php';
34 class WikiPlugin_RecentChangesCached
35 extends WikiPluginCached
37 function getPluginType() {
38 return PLUGIN_CACHED_HTML;
42 return "RecentChangesCached";
45 function getDescription() {
46 return 'Caches output of RecentChanges called with default arguments.';
49 function getDefaultArguments() {
50 return WikiPlugin_RecentChanges::getDefaultArguments();
53 function getExpire($dbi, $argarray, $request) {
54 return '+900'; // 15 minutes
57 // We don't go through pi parsing, instead we go directly to the
58 // better plugin methods.
59 function getHtml($dbi, $args, $request, $basepage) {
60 $plugin = new WikiPlugin_RecentChanges();
61 $changes = $plugin->getChanges($dbi, $args);
62 return $plugin->format($changes, $args);
64 $loader = new WikiPluginLoader;
65 return $loader->expandPI('<?plugin RecentChanges '
66 . WikiPluginCached::glueArgs($argarray)
67 . ' ?>', $request, $this, $basepage);
71 // ->box is used to display a fixed-width, narrow version with common header.
72 // Just a limited list of pagenames, without date.
73 // This does not use ->run, to avoid pi construction and deconstruction
74 function box($args = false, $request = false, $basepage = false, $do_save = false) {
75 if (!$request) $request =& $GLOBALS['request'];
76 if (!isset($args['limit'])) $args['limit'] = 12;
77 $args['format'] = 'box';
78 $args['show_minor'] = false;
79 $args['show_major'] = true;
80 $args['show_deleted'] = 'sometimes';
81 $args['show_all'] = false;
84 $cache = $this->newCache();
88 unset($argscopy['limit']);
89 $this->_args =& $args;
90 $this->_type = $this->getPluginType();
91 $this->_static = false;
94 //list($id, $url) = $this->genUrl($cache, $args);
96 /* NEW: This cache entry needs an update on major changes.
97 * So we should rather use an unique ID, because there will only be
98 * one global cached box.
100 $id = $cache->generateId(serialize(array("RecentChangesCachedBox", $argscopy)));
101 $content = $cache->get($id, 'imagecache');
102 if ($do_save || !$content || !$content['html']) {
104 $plugin = new WikiPlugin_RecentChanges();
105 $title = WikiLink($this->getName(), '', SplitPagename($this->getName()));
106 $changes = $plugin->getChanges($request->_dbi, $args);
108 $this->makeBox($title,
109 $plugin->format($changes, $args));
110 if ($errortext = $this->getError()) {
111 $this->printError($errortext, 'html');
117 $content['args'] = md5($this->_pi);
118 $expire = $this->getExpire($request->_dbi, $content['args'], $request);
119 $cache->save($id, $content, $expire, 'imagecache');
121 if ($content['html'])
122 return $content['html'];
126 // force box cache update on major changes.
127 function box_update($args = false, $request = false, $basepage = false) {
128 $this->box($args, $request, $basepage, true);
138 // c-hanging-comment-ender-p: nil
139 // indent-tabs-mode: nil