From 79822d45a7a3e330ee2af8eb6f123e65afc78b8c Mon Sep 17 00:00:00 2001
From: William Chong <me@williamchong.cloud>
Date: Fri, 27 Sep 2024 18:13:43 +0800
Subject: [PATCH] =?UTF-8?q?=E2=9C=A8=20Fetch=20cart=20coupon=20from=20item?=
 =?UTF-8?q?s=20if=20qs=20not=20set?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/pages/shopping-cart/book.vue | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/pages/shopping-cart/book.vue b/src/pages/shopping-cart/book.vue
index 77eee337f..b2e91ee0a 100644
--- a/src/pages/shopping-cart/book.vue
+++ b/src/pages/shopping-cart/book.vue
@@ -165,6 +165,15 @@ export default {
       'shoppingCartBookProductList',
       'shoppingCartBookItems',
     ]),
+    coupon() {
+      if (this.$route.query.coupon) {
+        return this.$route.query.coupon;
+      }
+      // stripe only support one coupon
+      const firstCoupon = this.shoppingCartBookItems.find(item => item.coupon)
+        .coupon;
+      return firstCoupon || '';
+    },
     purchaseEventParams() {
       let { locale } = this.$i18n;
       if (locale === 'zh-Hant') {
@@ -333,7 +342,7 @@ export default {
           gadSource: this.gadSource,
           items: this.shoppingCartBookItems,
           email: this.walletEmail,
-          coupon: this.$route.query.coupon,
+          coupon: this.coupon,
           giftInfo,
         });
         if (url) {