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  • <?php
    /***********************************************************************
    
    
    Graham Cole's avatar
    Graham Cole committed
      Copyright (C) 2002-2008  PunBB
    
    
      This file is part of PunBB.
    
      PunBB 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.
    
      PunBB 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; if not, write to the Free Software
      Foundation, Inc., 59 Temple Place, Suite 330, Boston,
      MA  02111-1307  USA
    
    ************************************************************************/
    
    
    // Tell header.php to use the admin template
    define('PUN_ADMIN_CONSOLE', 1);
    
    define('PUN_ROOT', './');
    require PUN_ROOT.'include/common.php';
    require PUN_ROOT.'include/common_admin.php';
    
    
    if ($pun_user['g_id'] > PUN_ADMIN)
    	message($lang_common['No permission']);
    
    
    if (isset($_GET['action']) || isset($_POST['prune']) || isset($_POST['prune_comply']))
    {
    	if (isset($_POST['prune_comply']))
    	{
    		confirm_referrer('admin_prune.php');
    
    		$prune_from = $_POST['prune_from'];
    
    		$prune_sticky = isset($_POST['prune_sticky']) ? '1' : '0';
    
    		$prune_days = intval($_POST['prune_days']);
    		$prune_date = ($prune_days) ? time() - ($prune_days*86400) : -1;
    
    		@set_time_limit(0);
    
    		if ($prune_from == 'all')
    		{
    			$result = $db->query('SELECT id FROM '.$db->prefix.'forums') or error('Unable to fetch forum list', __FILE__, __LINE__, $db->error());
    			$num_forums = $db->num_rows($result);
    
    			for ($i = 0; $i < $num_forums; ++$i)
    			{
    				$fid = $db->result($result, $i);
    
    
    				prune($fid, $prune_sticky, $prune_date);
    
    				update_forum($fid);
    			}
    		}
    		else
    		{
    			$prune_from = intval($prune_from);
    
    			prune($prune_from, $prune_sticky, $prune_date);
    
    			update_forum($prune_from);
    		}
    
    		// Locate any "orphaned redirect topics" and delete them
    		$result = $db->query('SELECT t1.id FROM '.$db->prefix.'topics AS t1 LEFT JOIN '.$db->prefix.'topics AS t2 ON t1.moved_to=t2.id WHERE t2.id IS NULL AND t1.moved_to IS NOT NULL') or error('Unable to fetch redirect topics', __FILE__, __LINE__, $db->error());
    		$num_orphans = $db->num_rows($result);
    
    		if ($num_orphans)
    		{
    			for ($i = 0; $i < $num_orphans; ++$i)
    				$orphans[] = $db->result($result, $i);
    
    			$db->query('DELETE FROM '.$db->prefix.'topics WHERE id IN('.implode(',', $orphans).')') or error('Unable to delete redirect topics', __FILE__, __LINE__, $db->error());
    		}
    
    		redirect('admin_prune.php', 'Posts pruned. Redirecting &hellip;');
    	}
    
    
    	$prune_days = $_POST['req_prune_days'];
    	if (!@preg_match('#^\d+$#', $prune_days))
    		message('Days to prune must be a positive integer.');
    
    	$prune_date = time() - ($prune_days*86400);
    	$prune_from = $_POST['prune_from'];
    
    	// Concatenate together the query for counting number or topics to prune
    	$sql = 'SELECT COUNT(id) FROM '.$db->prefix.'topics WHERE last_post<'.$prune_date.' AND moved_to IS NULL';
    
    
    	if (!$prune_sticky)
    
    		$sql .= ' AND sticky=\'0\'';
    
    	if ($prune_from != 'all')
    	{
    		$prune_from = intval($prune_from);
    		$sql .= ' AND forum_id='.$prune_from;
    
    		// Fetch the forum name (just for cosmetic reasons)
    		$result = $db->query('SELECT forum_name FROM '.$db->prefix.'forums WHERE id='.$prune_from) or error('Unable to fetch forum name', __FILE__, __LINE__, $db->error());
    		$forum = '"'.pun_htmlspecialchars($db->result($result)).'"';
    	}
    	else
    		$forum = 'all forums';
    
    	$result = $db->query($sql) or error('Unable to fetch topic prune count', __FILE__, __LINE__, $db->error());
    	$num_topics = $db->result($result);
    
    	if (!$num_topics)
    		message('There are no topics that are '.$prune_days.' days old. Please decrease the value of "Days old" and try again.');
    
    
    	$page_title = pun_htmlspecialchars($pun_config['o_board_title']).' / Admin / Prune';
    	require PUN_ROOT.'header.php';
    
    	generate_admin_menu('prune');
    
    ?>
    	<div class="blockform">
    		<h2><span>Prune</span></h2>
    		<div class="box">
    			<form method="post" action="admin_prune.php?action=foo">
    				<div class="inform">
    					<input type="hidden" name="prune_days" value="<?php echo $prune_days ?>" />
    
    					<input type="hidden" name="prune_sticky" value="<?php echo $prune_sticky ?>" />
    
    					<input type="hidden" name="prune_from" value="<?php echo $prune_from ?>" />
    					<fieldset>
    						<legend>Confirm prune posts</legend>
    						<div class="infldset">
    							<p>Are you sure that you want to prune all topics older than <?php echo $prune_days ?> days from <?php echo $forum ?>? (<?php echo $num_topics ?> topics)</p>
    							<p>WARNING! Pruning posts deletes them permanently.</p>
    						</div>
    					</fieldset>
    				</div>
    				<p><input type="submit" name="prune_comply" value="Prune" /><a href="javascript:history.go(-1)">Go back</a></p>
    			</form>
    		</div>
    	</div>
    	<div class="clearer"></div>
    </div>
    <?php
    
    	require PUN_ROOT.'footer.php';
    }
    
    
    else
    {
    	$page_title = pun_htmlspecialchars($pun_config['o_board_title']).' / Admin / Prune';
    	$required_fields = array('req_prune_days' => 'Days old');
    	$focus_element = array('prune', 'req_prune_days');
    	require PUN_ROOT.'header.php';
    
    	generate_admin_menu('prune');
    
    ?>
    	<div class="blockform">
    		<h2><span>Prune</span></h2>
    		<div class="box">
    			<form id="prune" method="post" action="admin_prune.php?action=foo" onsubmit="return process_form(this)">
    				<div class="inform">
    				<input type="hidden" name="form_sent" value="1" />
    					<fieldset>
    						<legend>Prune old posts</legend>
    						<div class="infldset">
    							<table class="aligntop" cellspacing="0">
    								<tr>
    									<th scope="row">Days old</th>
    									<td>
    										<input type="text" name="req_prune_days" size="3" maxlength="3" tabindex="1" />
    										<span>The number of days "old" a topic must be to be pruned. E.g. if you were to enter 30, every topic that didn't contain a post dated less than 30 days old would be deleted.</span>
    									</td>
    								</tr>
    								<tr>
    									<th scope="row">Prune sticky topics</th>
    									<td>
    										<input type="radio" name="prune_sticky" value="1" tabindex="2" checked="checked" />&nbsp;<strong>Yes</strong>&nbsp;&nbsp;&nbsp;<input type="radio" name="prune_sticky" value="0" />&nbsp;<strong>No</strong>
    										<span>When enabled sticky topics will also be pruned.</span>
    									</td>
    								</tr>
    								<tr>
    									<th scope="row">Prune from forum</th>
    									<td>
    										<select name="prune_from" tabindex="3">
    											<option value="all">All forums</option>
    <?php
    
    	$result = $db->query('SELECT c.id AS cid, c.cat_name, f.id AS fid, f.forum_name FROM '.$db->prefix.'categories AS c INNER JOIN '.$db->prefix.'forums AS f ON c.id=f.cat_id WHERE f.redirect_url IS NULL ORDER BY c.disp_position, c.id, f.disp_position') or error('Unable to fetch category/forum list', __FILE__, __LINE__, $db->error());
    
    	$cur_category = 0;
    	while ($forum = $db->fetch_assoc($result))
    	{
    		if ($forum['cid'] != $cur_category)	// Are we still in the same category?
    		{
    			if ($cur_category)
    				echo "\t\t\t\t\t\t\t\t\t\t\t".'</optgroup>'."\n";
    
    			echo "\t\t\t\t\t\t\t\t\t\t\t".'<optgroup label="'.pun_htmlspecialchars($forum['cat_name']).'">'."\n";
    			$cur_category = $forum['cid'];
    		}
    
    		echo "\t\t\t\t\t\t\t\t\t\t\t\t".'<option value="'.$forum['fid'].'">'.pun_htmlspecialchars($forum['forum_name']).'</option>'."\n";
    	}
    
    ?>
    											</optgroup>
    										</select>
    										<span>The forum from which you want to prune posts.</span>
    									</td>
    								</tr>
    							</table>
    							<p class="topspace">Use this feature with caution. Pruned posts can <strong>never</strong> be recovered. For best performance you should put the forum in maintenance mode during pruning.</p>
    							<div class="fsetsubmit"><input type="submit" name="prune" value="Prune" tabindex="5" /></div>
    						</div>
    					</fieldset>
    				</div>
    			</form>
    		</div>
    	</div>
    	<div class="clearer"></div>
    </div>
    <?php
    
    	require PUN_ROOT.'footer.php';
    }