public static function instance()
{
if (is_null(self::$_instance)) {
self::$_instance = new self();
}
return self::$_instance;
}
/**
* Install WC_Germanized
*/
public static function install()
{
global $wpdb;
if (!defined('WC_GZD_INSTALLING')) {
define('WC_GZD_INSTALLING', true);
}
// Load Translation for default options
$locale = apply_filters('plugin_locale', get_locale());
$mofile = WC_germanized()->plugin_path() . '/i18n/languages/woocommerce-germanized.mo';
if (file_exists(WC_germanized()->plugin_path() . '/i18n/languages/woocommerce-germanized-' . $locale . '.mo')) {
$mofile = WC_germanized()->plugin_path() . '/i18n/languages/woocommerce-germanized-' . $locale . '.mo';
}
load_textdomain('woocommerce-germanized', $mofile);
if (!WC_GZD_Dependencies::instance()->is_woocommerce_activated()) {
deactivate_plugins(WC_GERMANIZED_PLUGIN_FILE);
wp_die(sprintf(__('Please install <a href="%s" target="_blank">WooCommerce</a> before installing WooCommerce Germanized. Thank you!', 'woocommerce-germanized'), 'http://wordpress.org/plugins/woocommerce/'));
}
self::create_options();
// Register post types
include_once 'class-wc-gzd-post-types.php';
WC_GZD_Post_types::register_taxonomies();
self::create_cron_jobs();
self::create_units();
// Virtual Tax Classes
$tax_classes = array_filter(array_map('trim', explode("\n", get_option('woocommerce_tax_classes'))));
if (!in_array('Virtual Rate', $tax_classes) || !in_array('Virtual Reduced Rate', $tax_classes)) {
update_option('_wc_gzd_needs_pages', 1);
if (!in_array('Virtual Rate', $tax_classes)) {
array_push($tax_classes, 'Virtual Rate');
}
if (!in_array('Virtual Reduced Rate', $tax_classes)) {
array_push($tax_classes, 'Virtual Reduced Rate');
}
update_option('woocommerce_tax_classes', implode("\n", $tax_classes));
}
// Queue upgrades
$current_version = get_option('woocommerce_gzd_version', null);
$current_db_version = get_option('woocommerce_gzd_db_version', null);
// Queue messages and notices
if (!is_null($current_version)) {
// Show tour for new installs only
update_option('woocommerce_gzd_hide_tour', 1);
$major_version = substr($current_version, 0, 3);
$new_major_version = substr(WC_germanized()->version, 0, 3);
// Only on major update
if (version_compare($new_major_version, $major_version, ">")) {
delete_option('_wc_gzd_hide_theme_notice');
delete_option('_wc_gzd_hide_pro_notice');
}
} else {
// Fresh install - Check if some german market plugin was installed before
if (WC_GZD_Admin_Importer::instance()->is_available()) {
update_option('_wc_gzd_import_available', 1);
}
}
if (!is_null($current_db_version) && version_compare($current_db_version, max(array_keys(self::$db_updates)), '<')) {
// Update
update_option('_wc_gzd_needs_update', 1);
} else {
self::update_db_version();
}
self::update_wc_gzd_version();
// Update activation date
update_option('woocommerce_gzd_activation_date', date('Y-m-d'));
// Add theme compatibility check
delete_option('_wc_gzd_hide_review_notice');
// Check if pages are needed
if (wc_get_page_id('revocation') < 1) {
update_option('_wc_gzd_needs_pages', 1);
}
// Flush rules after install
flush_rewrite_rules();
// Redirect to welcome screen
set_transient('_wc_gzd_activation_redirect', 1, 60 * 60);
}