Handle order number and product ui fields

backend/app/plugins/wiaas/includes/class-wiaas-order.php

@@ -28,6 +28,20 @@ class Wiaas_Order {
 		add_filter('woocommerce_rest_orders_prepare_object_query', array( __CLASS__, 'wiaas_prepare_rest_orders_query'), 10, 2);
 
         add_filter('woocommerce_new_order_note_data',  array( __CLASS__, 'update_new_order_comment_date'), 10, 3);
+
+		add_filter('woocommerce_order_number', array( __CLASS__, 'format_order_number'));
+	}
+
+
+	/**
+	 * Prefix order number
+	 *
+	 * @param int $number
+	 *
+	 * @return string
+	 */
+	public static function format_order_number($number) {
+		return "1000000$number";
 	}
 
 	/**