if available, use is_created_via() to tell if an order is from the wp…

… admin back office

classes/WpMatomo/Ecommerce/Woocommerce.php

@@ -189,6 +189,11 @@ public function on_order( $order_id ) {
 		if ( ! $order ) {
 			return;
 		}
+
+		if ( $this->isOrderFromBackOffice( $order ) ) {
+			return;
+		}
+
 		$order_id_to_track = $order_id;
 		if ( method_exists( $order, 'get_order_number' ) ) {
 			$order_id_to_track = $order->get_order_number();
@@ -375,4 +380,14 @@ public function on_product_view() {
 		// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
 		echo $this->wrap_script( $this->make_matomo_js_tracker_call( $params ) );
 	}
+
+	/**
+	 * @param \WC_Order|\WC_Order_Refund $order
+	 * @return bool
+	 */
+	private function isOrderFromBackOffice( $order ) {
+		// for recent versions of woocommerce (4.0+) use is_created_via(), otherwise default to is_admin() (which will provide false positives
+		// when using a theme that uses admin-ajax.php to add orders)
+		return method_exists( $order, 'is_created_via' ) ? $order->is_created_via( 'admin' ) : is_admin();
+	}
 }