<?php

/**
 * Copyright (C) 2008-2012 FluxBB
 * based on code by Rickard Andersson copyright (C) 2002-2008 PunBB
 * License: http://www.gnu.org/licenses/gpl.html GPL version 2 or higher
 */

// Make sure no one attempts to run this script "directly"
if (!defined('PUN'))
	exit;

// Make sure we have a usable language pack for admin.
if (file_exists(PUN_ROOT.'lang/'.$pun_user['language'].'/admin_common.php'))
	$admin_language = $pun_user['language'];
else if (file_exists(PUN_ROOT.'lang/'.$pun_config['o_default_lang'].'/admin_common.php'))
	$admin_language = $pun_config['o_default_lang'];
else
	$admin_language = 'English';

// Attempt to load the admin_common language file
require PUN_ROOT.'lang/'.$admin_language.'/admin_common.php';

//
// Fetch a list of available admin plugins
//
function forum_list_plugins($is_admin)
{
	$plugins = array();

	$d = dir(PUN_ROOT.'plugins');
	if (!$d) return $plugins; 

	while (($entry = $d->read()) !== false)
	{
		if (!is_dir(PUN_ROOT.'plugins/'.$entry) && preg_match('%^AM?P_(\w+)\.php$%i', $entry))
		{
			$prefix = substr($entry, 0, strpos($entry, '_'));

			if ($prefix == 'AMP' || ($is_admin && $prefix == 'AP'))
				$plugins[$entry] = substr($entry, strlen($prefix) + 1, -4);
		}
	}
	$d->close();

	natcasesort($plugins);

	return $plugins;
}


//
// Display the admin navigation menu
//
function generate_admin_menu($page = '')
{
	global $pun_config, $pun_user, $lang_admin_common;

	$is_admin = $pun_user['g_id'] == PUN_ADMIN ? true : false;

?>
<div id="adminconsole" class="block2col">
	<div id="adminmenu" class="blockmenu">
		<h2><span><?php echo $lang_admin_common['Moderator menu'] ?></span></h2>
		<div class="box">
			<div class="inbox">
				<ul>
					<li<?php if ($page == 'index') echo ' class="isactive"'; ?>><a href="admin_index.php"><?php echo $lang_admin_common['Index'] ?></a></li>
					<li<?php if ($page == 'users') echo ' class="isactive"'; ?>><a href="admin_users.php"><?php echo $lang_admin_common['Users'] ?></a></li>
<?php if ($is_admin || $pun_user['g_mod_ban_users'] == '1'): ?>					<li<?php if ($page == 'bans') echo ' class="isactive"'; ?>><a href="admin_bans.php"><?php echo $lang_admin_common['Bans'] ?></a></li>
<?php endif; if ($is_admin || $pun_config['o_report_method'] == '0' || $pun_config['o_report_method'] == '2'): ?>					<li<?php if ($page == 'reports') echo ' class="isactive"'; ?>><a href="admin_reports.php"><?php echo $lang_admin_common['Reports'] ?></a></li>
<?php endif; ?>				</ul>
			</div>
		</div>
<?php

	if ($is_admin)
	{

?>
		<h2 class="block2"><span><?php echo $lang_admin_common['Admin menu'] ?></span></h2>
		<div class="box">
			<div class="inbox">
				<ul>
					<li<?php if ($page == 'options') echo ' class="isactive"'; ?>><a href="admin_options.php"><?php echo $lang_admin_common['Options'] ?></a></li>
					<li<?php if ($page == 'permissions') echo ' class="isactive"'; ?>><a href="admin_permissions.php"><?php echo $lang_admin_common['Permissions'] ?></a></li>
					<li<?php if ($page == 'categories') echo ' class="isactive"'; ?>><a href="admin_categories.php"><?php echo $lang_admin_common['Categories'] ?></a></li>
					<li<?php if ($page == 'forums') echo ' class="isactive"'; ?>><a href="admin_forums.php"><?php echo $lang_admin_common['Forums'] ?></a></li>
					<li<?php if ($page == 'groups') echo ' class="isactive"'; ?>><a href="admin_groups.php"><?php echo $lang_admin_common['User groups'] ?></a></li>
					<li<?php if ($page == 'censoring') echo ' class="isactive"'; ?>><a href="admin_censoring.php"><?php echo $lang_admin_common['Censoring'] ?></a></li>
					<li<?php if ($page == 'maintenance') echo ' class="isactive"'; ?>><a href="admin_maintenance.php"><?php echo $lang_admin_common['Maintenance'] ?></a></li>
				</ul>
			</div>
		</div>
<?php

	}

	// See if there are any plugins
	$plugins = forum_list_plugins($is_admin);

	// Did we find any plugins?
	if (!empty($plugins))
	{

?>
		<h2 class="block2"><span><?php echo $lang_admin_common['Plugins menu'] ?></span></h2>
		<div class="box">
			<div class="inbox">
				<ul>
<?php

		foreach ($plugins as $plugin_name => $plugin)
			echo "\t\t\t\t\t".'<li'.(($page == $plugin_name) ? ' class="isactive"' : '').'><a href="admin_loader.php?plugin='.$plugin_name.'">'.str_replace('_', ' ', $plugin).'</a></li>'."\n";

?>
				</ul>
			</div>
		</div>
<?php

	}

?>
	</div>

<?php

}


//
// Delete topics from $forum_id that are "older than" $prune_date (if $prune_sticky is 1, sticky topics will also be deleted)
//
function prune($forum_id, $prune_sticky, $prune_date)
{
	global $db;

	$extra_sql = ($prune_date != -1) ? ' AND last_post<'.$prune_date : '';

	if (!$prune_sticky)
		$extra_sql .= ' AND sticky=\'0\'';

	// Fetch topics to prune
	$result = $db->query('SELECT id FROM '.$db->prefix.'topics WHERE forum_id='.$forum_id.$extra_sql, true) or error('Unable to fetch topics', __FILE__, __LINE__, $db->error());

	$topic_ids = '';
	while ($row = $db->fetch_row($result))
		$topic_ids .= (($topic_ids != '') ? ',' : '').$row[0];

	if ($topic_ids != '')
	{
		// Fetch posts to prune
		$result = $db->query('SELECT id FROM '.$db->prefix.'posts WHERE topic_id IN('.$topic_ids.')', true) or error('Unable to fetch posts', __FILE__, __LINE__, $db->error());

		$post_ids = '';
		while ($row = $db->fetch_row($result))
			$post_ids .= (($post_ids != '') ? ',' : '').$row[0];

		if ($post_ids != '')
		{
			// Delete topics
			$db->query('DELETE FROM '.$db->prefix.'topics WHERE id IN('.$topic_ids.')') or error('Unable to prune topics', __FILE__, __LINE__, $db->error());
			// Delete subscriptions
			$db->query('DELETE FROM '.$db->prefix.'topic_subscriptions WHERE topic_id IN('.$topic_ids.')') or error('Unable to prune subscriptions', __FILE__, __LINE__, $db->error());
			// Delete posts
			$db->query('DELETE FROM '.$db->prefix.'posts WHERE id IN('.$post_ids.')') or error('Unable to prune posts', __FILE__, __LINE__, $db->error());

			// We removed a bunch of posts, so now we have to update the search index
			require_once PUN_ROOT.'include/search_idx.php';
			strip_search_index($post_ids);
		}
	}
}
