ECE: add support for extensions data (#4394)

* Add extensions data to POSTed order data

* Add js tests

* Add changelog and readme entries

* Update changelog.txt

Co-authored-by: daledupreez <[email protected]>

* Update readme.txt

Co-authored-by: daledupreez <[email protected]>

* Guard against undefined method

---------

Co-authored-by: Wesley Rosa <[email protected]>
Co-authored-by: daledupreez <[email protected]>

Author: 3 people

changelog.txt

@@ -59,6 +59,7 @@
 * Fix - Show correct price in express checkout for zero decimal currencies
 * Fix - Fixes a possible fatal error with Multibanco purchases when generating the email instructions.
 * Fix - Fix buggy unsaved changes warning in settings page
+* Update - Include extension data from block checkout when submitting an express checkout order
 * Fix - Use the platform's payment method configuration id constant when rendering the Optimized Checkout
 * Dev - Add Klarna e2e tests
 * Update - Improve checks in voucher purchase flow

client/express-checkout/utils/__tests__/normalize.test.js

@@ -148,6 +148,9 @@ describe( 'Express checkout normalization', () => {
 
 			select.mockImplementation( () => {
 				return {
+					getExtensionData: () => {
+						return {};
+					},
 					getAdditionalFields: () => {
 						return {};
 					},
@@ -280,6 +283,9 @@ describe( 'Express checkout normalization', () => {
 			};
 			select.mockImplementation( () => {
 				return {
+					getExtensionData: () => {
+						return {};
+					},
 					getAdditionalFields: () => {
 						return additionalFields;
 					},
@@ -299,13 +305,44 @@ describe( 'Express checkout normalization', () => {
 			);
 		} );
 
+		test( 'should include extension data in the normalized order data', () => {
+			const extensionData = {
+				'my-plugin': 'test',
+			};
+			select.mockImplementation( () => {
+				return {
+					getExtensionData: () => {
+						return extensionData;
+					},
+					getAdditionalFields: () => {
+						return {};
+					},
+					getCustomerData: () => {
+						return {};
+					},
+				};
+			} );
+
+			const expectedNormalizedDataWithAdditionalFields = {
+				...expectedNormalizedData,
+				extensions: extensionData,
+			};
+
+			expect( normalizeOrderData( { event, paymentMethodId } ) ).toEqual(
+				expectedNormalizedDataWithAdditionalFields
+			);
+		} );
+
 		test( 'should include additional customer (address) fields in the normalized order data', () => {
 			const additionalCustomerData = {
 				custom_address_field1: 'test1',
 				custom_address_field2: 'test2',
 			};
 			select.mockImplementation( () => {
 				return {
+					getExtensionData: () => {
+						return {};
+					},
 					getAdditionalFields: () => {
 						return {};
 					},

client/express-checkout/utils/normalize.js

@@ -49,7 +49,7 @@ export const normalizeOrderData = ( {
 		} ),
 		extensions: applyFilters(
 			'wcstripe.express-checkout.cart-place-order-extension-data',
-			{}
+			getExtensionDataFromStore()
 		),
 		additional_fields: getAdditionalFieldsData(),
 	};
@@ -288,6 +288,25 @@ const getAdditionalFieldsDataFromStore = () => {
 	return store.getAdditionalFields() || {};
 };
 
+/**
+ * Get extension data from the checkout store.
+ *
+ * @return {Object} The extension data.
+ */
+const getExtensionDataFromStore = () => {
+	const checkoutStore = window.wc?.wcBlocksData?.checkoutStore;
+	if ( ! checkoutStore ) {
+		return {};
+	}
+
+	const store = select( checkoutStore );
+	if ( ! store ) {
+		return {};
+	}
+
+	return store?.getExtensionData() || {};
+};
+
 /**
  * Build the custom fields object with empty values.
  *

readme.txt

@@ -163,5 +163,6 @@ If you get stuck, you can ask for help in the [Plugin Forum](https://wordpress.o
 * Fix - Fix payment processing for $0 subscription with recurring coupon
 * Dev - Add e2e tests to cover Affirm purchase flow
 * Fix - Add safety check when checking error object
+* Update - Include extension data from block checkout when submitting an express checkout order
 
 [See changelog for full details across versions](https://raw.githubusercontent.com/woocommerce/woocommerce-gateway-stripe/trunk/changelog.txt).