Disable WooCommerce Ordering

add_action ('init', 'disable_store_ordering');

// Disable Cart, Checkout, Add Cart
function disable_store_ordering() {
   remove_action( 'woocommerce_after_shop_loop_item', 'woocommerce_template_loop_add_to_cart', 10 );
   remove_action( 'woocommerce_single_product_summary', 'woocommerce_template_single_add_to_cart', 30 );
   remove_action( 'woocommerce_proceed_to_checkout', 'woocommerce_button_proceed_to_checkout', 20 );
   remove_action( 'woocommerce_checkout_order_review', 'woocommerce_checkout_payment', 20 );
   add_action( 'woocommerce_before_main_content', 'wc_shop_disable', 5 );
   add_action( 'woocommerce_before_cart', 'wc_shop_disable', 5 );
   add_action( 'woocommerce_before_checkout_form', 'wc_shop_disable', 5 );
}
// Show Notice
function wc_shop_disable() {
   wc_print_notice( 'Our Online Shop is Closed due to political unrest.', 'error');
}