Listen for label modal close and refresh the tracking plugin if possible

Author: marcinbot

client/apps/shipping-label/index.js

@@ -12,6 +12,7 @@ import notices from 'state/notices/reducer';
 import reducer from 'woocommerce/woocommerce-services/state/shipping-label/reducer';
 import packagesReducer from 'woocommerce/woocommerce-services/state/packages/reducer';
 import labelSettingsReducer from 'woocommerce/woocommerce-services/state/label-settings/reducer';
+import reduxMiddleware from './redux-middleware';
 import { combineReducers } from 'state/utils';
 
 export default ( { orderId } ) => ( {
@@ -57,6 +58,10 @@ export default ( { orderId } ) => ( {
 		return `wcs-label-${ orderId }`;
 	},
 
+	getMiddleware() {
+		return reduxMiddleware;
+	},
+
 	View: () => (
 		<ShippingLabelViewWrapper orderId={ orderId } />
 	),

client/apps/shipping-label/redux-middleware.js

@@ -0,0 +1,26 @@
+/**
+ * Internal dependencies
+ */
+//from calypso
+import {
+	WOOCOMMERCE_SERVICES_SHIPPING_LABEL_EXIT_PRINTING_FLOW,
+} from 'woocommerce/woocommerce-services/state/action-types';
+
+const middlewareActions = {
+	[  WOOCOMMERCE_SERVICES_SHIPPING_LABEL_EXIT_PRINTING_FLOW ]: () => {
+		window.wc_shipment_tracking_refresh && window.wc_shipment_tracking_refresh();
+	},
+};
+
+export default () => ( next ) => ( action ) => {
+	// let the action go to the reducers
+	next( action );
+
+	const middlewareAction = middlewareActions[ action.type ];
+	if ( ! middlewareAction ) {
+		return;
+	}
+
+	// perform the action
+	setTimeout( () => middlewareAction( action ) );
+};

client/main.js

@@ -66,7 +66,10 @@ Array.from( document.getElementsByClassName( 'wcc-root' ) ).forEach( ( container
 		Route.getReducer(),
 		{ ...serverState, ...persistedState },
 		compose(
-			applyMiddleware( thunk.withExtraArgument( args ) ),
+			applyMiddleware(
+				thunk.withExtraArgument( args ),
+				Route.getMiddleware ? Route.getMiddleware() : () => ( next ) => ( action ) => next( action ),
+			),
 			window.devToolsExtension ? window.devToolsExtension() : f => f
 		)
 	);