Reset quantity in frontend when product changes (open-telemetry#1447)

* reset quantity when product ID changes * update changelog --------- Co-authored-by: Juliano Costa <[email protected]>
julianocosta89 · Mar 13, 2024 · 5a5eb25 · 5a5eb25
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -7,6 +7,8 @@ the release.
 
 ## Unreleased
 
+* [frontend] reset quantity when new product selected
+  ([#1447](https://github.com/open-telemetry/opentelemetry-demo/pull/1447))
 * [featureflag] deprecate in favor of flagd
   ([#1338](https://github.com/open-telemetry/opentelemetry-demo/pull/1388))
 * [checkoutservice] add producer interceptor for tracing

diff --git a/src/frontend/pages/product/[productId]/index.tsx b/src/frontend/pages/product/[productId]/index.tsx
@@ -4,7 +4,7 @@
 import { NextPage } from 'next';
 import Image from 'next/image';
 import { useRouter } from 'next/router';
-import { useCallback, useState } from 'react';
+import { useCallback, useState, useEffect } from 'react';
 import { useQuery } from '@tanstack/react-query';
 import Ad from '../../../components/Ad';
 import Footer from '../../../components/Footer';
@@ -32,6 +32,10 @@ const ProductDetail: NextPage = () => {
   const { selectedCurrency } = useCurrency();
   const productId = query.productId as string;
 
+  useEffect(() => {
+    setQuantity(1);
+  }, [productId]);
+
   const {
     data: {
       name,