<?php
/************************************************************************
 * Mailer v0.2.1-FINAL                                Start: 06/26/2004 *
 * ===================                          Last change: 07/01/2005 *
 *                                                                      *
 * -------------------------------------------------------------------- *
 * File              : load-extension.php                               *
 * -------------------------------------------------------------------- *
 * Short description : Load all extensions                              *
 * -------------------------------------------------------------------- *
 * Kurzbeschreibung  : Alle Erweiterungen laden                         *
 * -------------------------------------------------------------------- *
 * @TODO Rewrite this whole file                                        *
 * -------------------------------------------------------------------- *
 * $Revision::                                                        $ *
 * $Date::                                                            $ *
 * $Tag:: 0.2.1-FINAL                                                 $ *
 * $Author::                                                          $ *
 * -------------------------------------------------------------------- *
 * Copyright (c) 2003 - 2009 by Roland Haeder                           *
 * Copyright (c) 2009 - 2011 by Mailer Developer Team                   *
 * For more information visit: http://www.mxchange.org                  *
 *                                                                      *
 * 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., 51 Franklin St, Fifth Floor, Boston,               *
 * MA  02110-1301  USA                                                  *
 ************************************************************************/

// Some security stuff...
if (!defined('__SECURITY')) {
	die();
} elseif (isInstallationPhase()) {
	// Use this code if you don't want to run this cache loader on installation phase
	return;
}

// Next cached table is the extension
if (($GLOBALS['cache_instance']->loadCacheFile('extension')) && ($GLOBALS['cache_instance']->extensionVersionMatches('sql_patches'))) {
	// Load extension from cache
	$EXT_DUMMY = $GLOBALS['cache_instance']->getArrayFromCache();

	// Init extension inc-pool
	$EXT_POOL = array();

	// Do we have entries?
	if (count($EXT_DUMMY) > 0) {
		// Init arrays
		$EXT_NAMES = array();

		// Loop through all
		foreach ($EXT_DUMMY['ext_name'] as $k => $ext_name) {
			// Load CSS file
			if ($EXT_DUMMY['ext_css'][$k] == 'Y') addExtensionCssFile($ext_name . '.css');

			// Load extension file itself
			if (($EXT_DUMMY['ext_active'][$k] == 'Y') || ($EXT_DUMMY['ext_keep'][$k] == 'Y')) {
				$EXT_POOL[] = $ext_name;
			} // END - if

			// Version number
			$EXT_DUMMY['ext_version'][$ext_name] = $EXT_DUMMY['ext_version'][$k];
			unset($EXT_DUMMY['ext_version'][$k]);

			// Extension is active
			$EXT_DUMMY['ext_active'][$ext_name] = $EXT_DUMMY['ext_active'][$k];
			unset($EXT_DUMMY['ext_active'][$k]);

			// Ext menu
			$EXT_DUMMY['ext_menu'][$ext_name] = $EXT_DUMMY['ext_menu'][$k];
			unset($EXT_DUMMY['ext_menu'][$k]);

			// Language file
			$EXT_DUMMY['ext_lang'][$ext_name] = $EXT_DUMMY['ext_lang'][$k];
			unset($EXT_DUMMY['ext_lang'][$k]);

			// Functions file
			$EXT_DUMMY['ext_func'][$ext_name] = $EXT_DUMMY['ext_func'][$k];
			unset($EXT_DUMMY['ext_func'][$k]);

			// Extension id
			$EXT_DUMMY['ext_id'][$ext_name] = $EXT_DUMMY['ext_id'][$k];
			$id = $EXT_DUMMY['ext_id'][$ext_name];
			unset($EXT_DUMMY['ext_id'][$k]);

			// Add ext name
			$EXT_NAMES[$id] = $ext_name;

			// Add deprecated flag (defaults to 'not deprecated')
			$EXT_DUMMY['ext_deprecated'][$ext_name] = 'N';

			// Mark it as active extension
			$GLOBALS['cache_array']['always_active'][$ext_name] = $EXT_DUMMY['ext_keep'][$k];
			unset($EXT_DUMMY['ext_keep'][$k]);

			// Remove unneccessary data from memory
			unset($EXT_DUMMY['ext_css'][$k]);
		} // END - foreach

		// Write dummy array back
		$EXT_DUMMY['ext_name'] = $EXT_NAMES;
		unset($EXT_NAMES);

		// Loading cache is done so let's free some memory!
		unset($EXT_DUMMY['ext_keep']);
		unset($EXT_DUMMY['ext_css']);
	} // END - if

	// Transfer dummy array
	$GLOBALS['cache_array']['extension'] = $EXT_DUMMY;
	unset($EXT_DUMMY);

	// No database load needed
	$res_ext_crt = false;

	// Load all extension files in test-mode (we initialize them later)
	foreach ($EXT_POOL as $ext) {
		loadExtension($ext, 'test');
	} // END - foreach

	// Remove array and mark cache as loaded
	unset($EXT_POOL);
} elseif (isHtmlOutputMode()) {
	// Create cache file here
	$GLOBALS['cache_instance']->init();

	// Add more if sql_patches is recent enougth
	$add = '';
	if (isExtensionInstalledAndNewer('sql_patches', '0.0.6')) $add = ", `ext_has_css` AS ext_css";

	// Load all modules and their data
	$result = SQL_QUERY('SELECT `id` AS ext_id, `ext_name`, `ext_active`, `ext_version`'.$add.' FROM `{?_MYSQL_PREFIX?}_extensions` ORDER BY `ext_name` ASC', __FILE__, __LINE__);
	while ($content = SQL_FETCHARRAY($result)) {
		// Load extension
		loadExtension($content['ext_name'], 'test');

		// Get menu entry
		$content['ext_menu'] = 'N';
		if (ifModuleHasMenu($content['ext_name'], true)) {
			// Extension is a module and has menu... pew!
			$content['ext_menu'] = 'Y';
		} // END - if

		// Get language entry
		$content['ext_lang'] = 'N';
		if (isLanguageIncludeReadable($content['ext_name'])) {
			// Readable
			$content['ext_lang'] = 'Y';
		} // END - if

		// Get function entry
		$content['ext_func'] = 'N';
		if (isExtensionFunctionFileReadable($content['ext_name'])) {
			// Readable
			$content['ext_func'] = 'Y';
		} // END - if

		// Transfer EXT_ALWAYS_ACTIVE flag
		$content['ext_keep'] = getThisExtensionAlwaysActive();

		// Fix missing ext_css
		if (!isset($content['ext_css'])) {
			$content['ext_css'] = 'N';
		} // END - if

		// Add row to cache file
		$GLOBALS['cache_instance']->addRow($content);
	} // END - while

	// Free memory
	SQL_FREERESULT($result);

	// Close the cache
	$GLOBALS['cache_instance']->storeExtensionVersion('sql_patches');
	$GLOBALS['cache_instance']->finalize();
}

// [EOF]
?>