From 82e03978b89938219958032efb1448cc76baa181 Mon Sep 17 00:00:00 2001
From: Saumit <justsaumit@protonmail.com>
Date: Sat, 27 Sep 2025 02:14:26 +0530
Subject: Initial snapshot - OpenTelemetry demo 2.1.3 -f

---
 src/frontend/components/CartItems/CartItems.tsx | 82 +++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 src/frontend/components/CartItems/CartItems.tsx

(limited to 'src/frontend/components/CartItems/CartItems.tsx')

diff --git a/src/frontend/components/CartItems/CartItems.tsx b/src/frontend/components/CartItems/CartItems.tsx
new file mode 100644
index 0000000..05e0279
--- /dev/null
+++ b/src/frontend/components/CartItems/CartItems.tsx
@@ -0,0 +1,82 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+import { useMemo } from 'react';
+import { useQuery, UseQueryOptions } from '@tanstack/react-query';
+import ApiGateway from '../../gateways/Api.gateway';
+import { Address, Money } from '../../protos/demo';
+import { useCurrency } from '../../providers/Currency.provider';
+import { IProductCartItem } from '../../types/Cart';
+import ProductPrice from '../ProductPrice';
+import CartItem from './CartItem';
+import * as S from './CartItems.styled';
+
+interface IProps {
+  productList: IProductCartItem[];
+  shouldShowPrice?: boolean;
+}
+
+const CartItems = ({ productList, shouldShowPrice = true }: IProps) => {
+  const { selectedCurrency } = useCurrency();
+  const address: Address = {
+    streetAddress: '1600 Amphitheatre Parkway',
+    city: 'Mountain View',
+    state: 'CA',
+    country: 'United States',
+    zipCode: '94043',
+  };
+
+  const queryKey = ['shipping', productList, selectedCurrency, address];
+  const queryFn = () => ApiGateway.getShippingCost(productList, selectedCurrency, address);
+  const queryOptions: UseQueryOptions<Money, Error> = {
+    queryKey,
+    queryFn,
+  };
+  const { data: shippingConst = { units: 0, currencyCode: 'USD', nanos: 0 } } = useQuery(queryOptions);
+
+  const total = useMemo<Money>(() => {
+    const nanoSum =
+      productList.reduce((acc, { product: { priceUsd: { nanos = 0 } = {} } }) => acc + Number(nanos), 0) +
+        shippingConst?.nanos || 0;
+    const nanoExceed = Math.floor(nanoSum / 1000000000);
+
+    const unitSum =
+      productList.reduce((acc, { product: { priceUsd: { units = 0 } = {} } }) => acc + Number(units), 0) +
+        (shippingConst?.units || 0) + nanoExceed;
+
+    return {
+      units: unitSum,
+      currencyCode: selectedCurrency,
+      nanos: nanoSum % 1000000000,
+    };
+  }, [shippingConst?.units, shippingConst?.nanos, productList, selectedCurrency]);
+
+  return (
+    <S.CartItems>
+      <S.CardItemsHeader>
+        <label>Product</label>
+        <label>Quantity</label>
+        <label>Price</label>
+      </S.CardItemsHeader>
+      {productList.map(({ productId, product, quantity }) => (
+        <CartItem key={productId} product={product} quantity={quantity} />
+      ))}
+      {shouldShowPrice && (
+        <>
+          <S.DataRow>
+            <span>Shipping</span>
+            <ProductPrice price={shippingConst} />
+          </S.DataRow>
+          <S.DataRow>
+            <S.TotalText>Total</S.TotalText>
+            <S.TotalText>
+              <ProductPrice price={total} />
+            </S.TotalText>
+          </S.DataRow>
+        </>
+      )}
+    </S.CartItems>
+  );
+};
+
+export default CartItems;
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