From f7380d423df6c8663655dc7c15b28291b92964da Mon Sep 17 00:00:00 2001
From: Robert Ing <rmi22186@gmail.com>
Date: Wed, 6 Sep 2023 16:02:54 -0400
Subject: [PATCH] fix: Map CouponCode to reserved attributes `coupon` (#50)

---
 packages/GA4Client/src/commerce-handler.js |  3 +++
 packages/GA4Client/test/src/tests.js       | 27 +++++++++++-----------
 2 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/packages/GA4Client/src/commerce-handler.js b/packages/GA4Client/src/commerce-handler.js
index ba6a4fa..2a154da 100644
--- a/packages/GA4Client/src/commerce-handler.js
+++ b/packages/GA4Client/src/commerce-handler.js
@@ -282,6 +282,9 @@ function parseProduct(product) {
             case 'Category':
                 productWithAllAttributes.item_category = product.Category;
                 break;
+            case 'CouponCode':
+                productWithAllAttributes.coupon = product.CouponCode;
+                break;
             case 'Variant':
                 productWithAllAttributes.item_variant = product.Variant;
                 break;
diff --git a/packages/GA4Client/test/src/tests.js b/packages/GA4Client/test/src/tests.js
index 08f337d..0641321 100644
--- a/packages/GA4Client/test/src/tests.js
+++ b/packages/GA4Client/test/src/tests.js
@@ -279,7 +279,7 @@ describe('Google Analytics 4 Event', function () {
                         value: 100,
                         items: [
                             {
-                                coupon_code: 'coupon',
+                                coupon: 'coupon',
                                 item_brand: 'brand',
                                 item_category: 'category',
                                 item_id: 'iphoneSKU',
@@ -295,7 +295,7 @@ describe('Google Analytics 4 Event', function () {
                             {
                                 eventMetric1: 'metric1',
                                 journeyType: 'testjourneytype2',
-                                coupon_code: 'coupon',
+                                coupon: 'coupon',
                                 item_brand: 'brand',
                                 item_category: 'category',
                                 item_id: 'iphoneSKU',
@@ -779,7 +779,7 @@ describe('Google Analytics 4 Event', function () {
                             {
                                 eventMetric1: 'metric2',
                                 journeyType: 'testjourneytype1',
-                                coupon_code: 'coupon',
+                                coupon: 'coupon',
                                 item_brand: 'brand',
                                 item_category: 'category',
                                 item_id: 'iphoneSKU',
@@ -793,7 +793,7 @@ describe('Google Analytics 4 Event', function () {
                             {
                                 eventMetric1: 'metric1',
                                 journeyType: 'testjourneytype2',
-                                coupon_code: 'coupon',
+                                coupon: 'coupon',
                                 item_brand: 'brand',
                                 item_category: 'category',
                                 item_id: 'iphoneSKU',
@@ -1040,7 +1040,7 @@ describe('Google Analytics 4 Event', function () {
                             {
                                 eventMetric1: 'metric2',
                                 journeyType: 'testjourneytype1',
-                                coupon_code: 'coupon',
+                                coupon: 'coupon',
                                 item_brand: 'brand',
                                 item_category: 'category',
                                 item_id: 'iphoneSKU',
@@ -1054,7 +1054,7 @@ describe('Google Analytics 4 Event', function () {
                             {
                                 eventMetric1: 'metric1',
                                 journeyType: 'testjourneytype2',
-                                coupon_code: 'coupon',
+                                coupon: 'coupon',
                                 item_brand: 'brand',
                                 item_category: 'category',
                                 item_id: 'iphoneSKU',
@@ -1137,7 +1137,7 @@ describe('Google Analytics 4 Event', function () {
                             {
                                 eventMetric1: 'metric2',
                                 journeyType: 'testjourneytype1',
-                                coupon_code: 'coupon',
+                                coupon: 'coupon',
                                 item_brand: 'brand',
                                 item_category: 'category',
                                 item_id: 'iphoneSKU',
@@ -1151,7 +1151,7 @@ describe('Google Analytics 4 Event', function () {
                             {
                                 eventMetric1: 'metric1',
                                 journeyType: 'testjourneytype2',
-                                coupon_code: 'coupon',
+                                coupon: 'coupon',
                                 item_brand: 'brand',
                                 item_category: 'category',
                                 item_id: 'iphoneSKU',
@@ -1317,7 +1317,7 @@ describe('Google Analytics 4 Event', function () {
                             {
                                 eventMetric1: 'metric2',
                                 journeyType: 'testjourneytype1',
-                                coupon_code: 'coupon',
+                                coupon: 'coupon',
                                 item_brand: 'brand',
                                 item_category: 'category',
                                 item_id: 'iphoneSKU',
@@ -1331,7 +1331,7 @@ describe('Google Analytics 4 Event', function () {
                             {
                                 eventMetric1: 'metric1',
                                 journeyType: 'testjourneytype2',
-                                coupon_code: 'coupon',
+                                coupon: 'coupon',
                                 item_brand: 'brand',
                                 item_category: 'category',
                                 item_id: 'iphoneSKU',
@@ -1820,7 +1820,6 @@ describe('Google Analytics 4 Event', function () {
                 });
             });
         });
-
     });
 
     describe('identity', function () {
@@ -2047,7 +2046,7 @@ describe('Google Analytics 4 Event', function () {
                                 eventMetric1: 'metric1',
                                 journeyType: 'testjourneytype2',
                                 test4ever___: 'tester',
-                                coupon_code: 'coupon',
+                                coupon: 'coupon',
                                 item_brand: 'brand',
                                 item_category: 'category',
                                 item_id: 'iphoneSKU',
@@ -2132,7 +2131,7 @@ describe('Google Analytics 4 Event', function () {
                             {
                                 eventMetric1: 'metric2',
                                 journeyType: 'testjourneytype1',
-                                coupon_code: 'coupon',
+                                coupon: 'coupon',
                                 item_brand: 'brand',
                                 item_category: 'category',
                                 item_id: 'iphoneSKU',
@@ -2149,7 +2148,7 @@ describe('Google Analytics 4 Event', function () {
                             {
                                 eventMetric1: 'metric1',
                                 journeyType: 'testjourneytype2',
-                                coupon_code: 'coupon',
+                                coupon: 'coupon',
                                 item_brand: 'brand',
                                 item_category: 'category',
                                 item_id: 'iphoneSKU',