From 3dd62133f6decf93373315181253291f30be4e4d Mon Sep 17 00:00:00 2001
From: Sergiy Dybskiy <sergiy.dybskiy@sentry.io>
Date: Sat, 17 Oct 2026 15:17:48 -0400
Subject: [PATCH] Keep charging for express shipping on free-shipping orders

Co-authored-by: Claude <claude@anthropic.com>
---
 .../fixtures/demo-pr/cart-total.test.ts            | 14 +++++++++++++-
 apps/pr-reviewer/fixtures/demo-pr/cart-total.ts    |  4 +++-
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/apps/pr-reviewer/fixtures/demo-pr/cart-total.test.ts b/apps/pr-reviewer/fixtures/demo-pr/cart-total.test.ts
index ba32b97..c80a2e3 100644
--- a/apps/pr-reviewer/fixtures/demo-pr/cart-total.test.ts
+++ b/apps/pr-reviewer/fixtures/demo-pr/cart-total.test.ts
@@ -1,5 +1,5 @@
 import { describe, expect, it } from 'vitest';
-import { cartTotal } from './cart-total.ts';
+import { cartTotal, checkoutTotal } from './cart-total.ts';
 
 describe('cartTotal', () => {
   it('returns 0 for an empty cart', () => {
@@ -64,3 +64,15 @@ describe('cartTotal', () => {
     expect(cartTotal([{ price: 3, qty: 1_000_000 }])).toBe(3_000_000);
   });
 });
+
+describe('checkoutTotal', () => {
+  it('ships standard orders over the threshold for free', () => {
+    expect(checkoutTotal({ items: [{ price: 60, qty: 2 }], weightKg: 1, taxRate: 0 })).toBe(120);
+  });
+
+  it('still charges for express shipping over the threshold', () => {
+    expect(
+      checkoutTotal({ items: [{ price: 60, qty: 2 }], weightKg: 1, express: true, taxRate: 0 }),
+    ).toBe(132);
+  });
+});
diff --git a/apps/pr-reviewer/fixtures/demo-pr/cart-total.ts b/apps/pr-reviewer/fixtures/demo-pr/cart-total.ts
index 79cec63..923c8d9 100644
--- a/apps/pr-reviewer/fixtures/demo-pr/cart-total.ts
+++ b/apps/pr-reviewer/fixtures/demo-pr/cart-total.ts
@@ -20,6 +20,8 @@ export type Cart = {
   discount?: { code: string; percent: number };
 };
 
+const FREE_SHIPPING_THRESHOLD = 100;
+
 function roundCents(amount: number): number {
   return Math.round(amount * 100) / 100;
 }
@@ -27,7 +29,7 @@ function roundCents(amount: number): number {
 export function checkoutTotal(cart: Cart): number {
   const subtotal = cartTotal(cart.items);
   const shipping = shippingCost(cart.weightKg, cart.express);
-  const freeShipping = subtotal >= 100;
+  const freeShipping = subtotal >= FREE_SHIPPING_THRESHOLD && !cart.express;
   const shippingCharge = freeShipping ? 0 : shipping;
   const taxable = subtotal + shippingCharge;
   const tax = roundCents(taxable * cart.taxRate);