<?php
if (!defined('IS_ADMIN_FLAG')) {
die('Illegal Access');
}
$zc150 = (PROJECT_VERSION_MAJOR > 1 || (PROJECT_VERSION_MAJOR == 1 && substr(PROJECT_VERSION_MINOR, 0, 3) >= 5));
// add upgrade script
if (defined('CSS_JS_LOADER_VERSION')) { // does not exist prior to v2.0.0
$css_js_loader_version = CSS_JS_LOADER_VERSION;
while ($css_js_loader_version != '2.2.1') {
switch($css_js_loader_version) {
case '2.0.0':
// perform upgrade
if (file_exists(DIR_WS_INCLUDES . 'installers/css_js_loader/2_1_0.php')) {
include_once(DIR_WS_INCLUDES . 'installers/css_js_loader/2_1_0.php');
$messageStack->add('Updated CSS JS Loader to v2.1.0');
$css_js_loader_version = '2.1.0';
}
break;
case '2.1.0':
// perform upgrade
if (file_exists(DIR_WS_INCLUDES . 'installers/css_js_loader/2_2_1.php')) {
include_once(DIR_WS_INCLUDES . 'installers/css_js_loader/2_2_1.php');
$messageStack->add('Updated CSS JS Loader to v2.1.1');
$css_js_loader_version = '2.2.1';
}
break;          
default:
$css_js_loader_version = '2.2.1';
break;      
}
}
} else {
// begin update to version 2.0.0
// do a new install
if (file_exists(DIR_WS_INCLUDES . 'installers/css_js_loader/new_install.php')) {
include_once(DIR_WS_INCLUDES . 'installers/css_js_loader/new_install.php');
$messageStack->add('Added CSS JS Loader Configuration');
} else {
$messageStack->add('New installation file missing, please make sure you have uploaded all files in the package.');
}
}
if ($zc150) { // continue Zen Cart 1.5.0
// add configuration menu
if (!zen_page_key_exists('configCSSJSLoader')) {
$configuration = $db->Execute("SELECT configuration_group_id FROM " . TABLE_CONFIGURATION . " WHERE configuration_key = 'CSS_JS_LOADER_VERSION' LIMIT 1;");
$configuration_group_id = $configuration->fields['configuration_group_id'];
if ((int)$configuration_group_id > 0) {
zen_register_admin_page('configCSSJSLoader',
'BOX_CONFIGURATION_CSS_JS_LOADER', 
'FILENAME_CONFIGURATION',
'gID=' . $configuration_group_id, 
'configuration', 
'Y',
$configuration_group_id);
$messageStack->add('Added to Configuration menu.', 'success');
}
}
}