<?php

/*
 * HelpCORE source file 
 * ====================
 * 
 * CVS:
 * ----
 * $header$
 * 
 * Purpose:
 * --------
 * Gives admins a cache-management interface
 * 
 * Copyright:
 * ----------
 * Copyright (C) 2002-2003 Dennis Fleurbaaij <hide@address.com>
 * Copyright (C) 2002-2005 IO Software <hide@address.com>
 * 
 * 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; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, 
 * Cambridge, MA 02139, USA.
 * 
 * Please note that this software is dual licensed. For the commercial use of this 
 * software you will need a Commercial License. Please see http://www.io-software.nl
 * for the terms and conditions.
 * 
 * For more information you can contact IO Software at http://www.io-software.nl
 */


if( ! include( '../coreapm/coreapm.php' ) )
{
	die( 'Cannot include CORE APM' );
} 
$GLOBALS['security']->secure( ADMIN );
$GLOBALS['cache']->no_cache = true;
$coreapm->start();

// Erase cache options
if( isset( $_GET['action'] ) )
{
	switch( $_GET['action'] )
	{
		case 'page':
			$GLOBALS['cache']->page_cache_erase();
			break;
		case 'select':
			$GLOBALS['cache']->select_cache_erase();
			break;
		case 'all':
			$GLOBALS['cache']->page_cache_erase();
			$GLOBALS['cache']->select_cache_erase();
			break;
		default:
			break;
	} 

	header( 'location: ' . BASE_THIS_DIR . '/cache.php' );
	die;
} 

if( CACHE == true )
{
	$status = '<span class="positiveText">' . text( 'enabled' ) . '</span>';
} 
else
{
	$status = '<span class="errorText">' . text( 'disabled' ) . '</span>';
} 

// loop page cache dir
$page_cache_size = 0;
$page_cache_files = 0;
$overview = '';
if( ! ( $dp = opendir( CACHE_DIR . 'page_cache/' ) ) )
{
	__FATAL__( __FILE__, __LINE__, __CLASS__, __FUNCTION__, 'Page cache dir ("'.CACHE_DIR . 'page_cache/")could not be opened! Most likely your install is corrupted.' );
} 
while( $file = readdir( $dp ) )
{
	if( ( $file == '.' ) || ( $file == '..' ) || ( $file == '.htaccess' ) || ( $file == 'CVS' ) )
	{
		continue;
	} 
	$file_name = CACHE_DIR . 'page_cache/' . $file;

	// count
	$page_cache_files++;
	$page_cache_size += filesize( $file_name );
} 
closedir( $dp );

// Loop select cache
$select_cache_size = 0;
$select_cache_files = 0;
if( ! ( $dp = opendir( CACHE_DIR . 'select_cache/' ) ) )
{
	__FATAL__( __FILE__, __LINE__, __CLASS__, __FUNCTION__, 'Select cache dir ("'.CACHE_DIR.'select_cache/") could not be opened! Most likely your install is corrupted.' );
} 
while( $file = readdir( $dp ) )
{
	if( ( $file == '.' ) || ( $file == '..' ) || ( $file == '.htaccess' ) || ( $file == 'CVS' ) )
	{
		continue;
	} 
	$file_name = CACHE_DIR . 'select_cache/' . $file;

	// count
	$select_cache_files++;
	$select_cache_size += filesize( $file_name );
} 
closedir( $dp );

$GLOBALS['box']->add( text( 'cache' ), 
					  $GLOBALS['template']->data( 	'cache.tpl', 
					  								array ( 
					  									'TEXT_CACHE_STATUS' 	=> text( 'cache_status' ),
					  									'CACHE_STATUS' 	=> $status,
					  									'TEXT_PAGE_CACHE_SIZE'	=> text( 'page_cache_size' ), 
					  									'TEXT_CACHE_SIZE_BYTES'	=> text( 'cache_size_bytes' ),
					  									'PAGE_CACHE_SIZE_BYTES'	=> number_format( $page_cache_size ),
					  									'TEXT_AMOUNT_FILES'		=> text( 'amount_of_files' ),
					  									'PAGE_AMOUNT_FILES'		=> $page_cache_files,
					  									'BASE_THIS_DIR'			=> BASE_THIS_DIR,
					  									'TEXT_CLEAR_PAGE_CACHE' => text( 'clear_page_cache' ),
					  									'TEXT_SELECT_CACHE_SIZE'=> text( 'select_cache_size' ),
					  									'SELECT_CACHE_SIZE_BYTES'=>number_format( $select_cache_size ),
					  									'SELECT_AMOUNT_FILES'	=> $select_cache_files,
					  									'TEXT_CLEAR_SELECT_CACHE'=> text( 'clear_select_cache' )
					  									) ) );

$coreapm->finish();

?>