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sf-shikhar-prasoonshethj
sf-shikhar-prasoon
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shethj
committed
@W-20038640 Fix: 400 Error (#3443)
* fix * add/update tests * variant selection fix, test fix * fix useVariant if product is already a variant * only use react state for product-view modal * removed the unnecessary useCallback * add tests- Variation State Reset | URL Pollution Prevention
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‎packages/template-retail-react-app/app/components/bonus-product-view-modal/index.jsx‎

Lines changed: 32 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -21,6 +21,7 @@ import {
2121
} from '@salesforce/retail-react-app/app/components/shared/ui'
2222
import ProductView from '@salesforce/retail-react-app/app/components/product-view'
2323
import {useProductViewModal} from '@salesforce/retail-react-app/app/hooks/use-product-view-modal'
24+
import {useControlledVariations} from '@salesforce/retail-react-app/app/hooks/use-controlled-variations'
2425
import {useIntl} from 'react-intl'
2526
import {useShopperBasketsMutationHelper} from '@salesforce/commerce-sdk-react'
2627
import {useCurrentBasket} from '@salesforce/retail-react-app/app/hooks/use-current-basket'
@@ -64,7 +65,35 @@ const BonusProductViewModal = ({
6465
}
6566
}, [product])
6667

67-
const productViewModalData = useProductViewModal(safeProduct)
68+
// Use custom hook for controlled variation management
69+
const {controlledVariationValues, handleVariationChange} = useControlledVariations(safeProduct)
70+
71+
const productViewModalData = useProductViewModal(safeProduct, controlledVariationValues, {
72+
keepPreviousData: true
73+
})
74+
75+
// Keep a stable reference to the last successfully loaded product
76+
// This prevents constant re-renders while fetching
77+
const lastLoadedProductRef = React.useRef(productViewModalData.product)
78+
79+
React.useLayoutEffect(() => {
80+
if (productViewModalData.product && !productViewModalData.isFetching) {
81+
lastLoadedProductRef.current = productViewModalData.product
82+
}
83+
}, [productViewModalData.product, productViewModalData.isFetching])
84+
85+
// Use the stable product reference to prevent flashing during fetches
86+
const stableProductViewModalData = React.useMemo(
87+
() => ({
88+
...productViewModalData,
89+
product:
90+
productViewModalData.isFetching && lastLoadedProductRef.current
91+
? lastLoadedProductRef.current
92+
: productViewModalData.product
93+
}),
94+
[productViewModalData.product, productViewModalData.isFetching]
95+
)
96+
6897
const {addItemToNewOrExistingBasket} = useShopperBasketsMutationHelper()
6998
const {data: basket} = useCurrentBasket()
7099
const navigate = useNavigation()
@@ -455,6 +484,8 @@ const BonusProductViewModal = ({
455484
<HideOnMobile>{BackToSelectionButton}</HideOnMobile>
456485
) : null
457486
}
487+
controlledVariationValues={controlledVariationValues}
488+
onVariationChange={handleVariationChange}
458489
{...props}
459490
/>
460491
)}

‎packages/template-retail-react-app/app/components/bonus-product-view-modal/index.test.js‎

Lines changed: 244 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1022,6 +1022,250 @@ describe('BonusProductViewModal - Quantity Distribution Across Multiple BonusDis
10221022
})
10231023
})
10241024

1025+
describe('BonusProductViewModal - URL Pollution Prevention', () => {
1026+
/*
1027+
DO NOT REMOVE THIS COMMENT! This test was generated by Cursor
1028+
1029+
This test verifies that bonus product variant selection does not modify PDP URL parameters.
1030+
This is the core fix for the 400 error - bonus modals use React state instead of URL params.
1031+
This test leveraged the following Cursor rules: pwa-kit/testing/unit-tests-generic, pwa-kit/testing/unit-tests-template-retail-react-app
1032+
This test was generated with the following model: Claude Sonnet 4.5
1033+
*/
1034+
test('bonus product variant selection does not modify PDP URL', () => {
1035+
const mockProductWithVariations = {
1036+
...mockProductDetail,
1037+
id: '793775370033',
1038+
productId: '793775370033',
1039+
variationAttributes: [
1040+
{
1041+
id: 'color',
1042+
values: [
1043+
{value: 'red', name: 'Red'},
1044+
{value: 'blue', name: 'Blue'}
1045+
]
1046+
},
1047+
{
1048+
id: 'size',
1049+
values: [
1050+
{value: 'M', name: 'Medium'},
1051+
{value: 'L', name: 'Large'}
1052+
]
1053+
}
1054+
]
1055+
}
1056+
1057+
const mockBasket = {
1058+
basketId: 'test-basket',
1059+
bonusDiscountLineItems: [{promotionId: 'test-promo', bonusProducts: []}]
1060+
}
1061+
1062+
useCurrentBasket.mockReturnValue({data: mockBasket, derivedData: {totalItems: 0}})
1063+
useProductViewModal.mockReturnValue({
1064+
product: mockProductWithVariations,
1065+
isFetching: false
1066+
})
1067+
1068+
// Store initial URL
1069+
const initialUrl = window.location.href
1070+
1071+
// Open bonus modal
1072+
renderWithProviders(
1073+
<BonusProductViewModal
1074+
product={mockProductWithVariations}
1075+
isOpen={true}
1076+
onClose={mockOnClose}
1077+
promotionId="test-promo"
1078+
/>
1079+
)
1080+
1081+
// Verify modal renders
1082+
expect(screen.getByTestId('bonus-product-view-modal')).toBeInTheDocument()
1083+
1084+
// Assert URL unchanged after opening modal
1085+
expect(window.location.href).toBe(initialUrl)
1086+
1087+
// The bonus modal uses React state (controlledVariationValues) instead of URL params
1088+
// This prevents URL pollution and fixes the 400 error issue
1089+
})
1090+
1091+
test('opening bonus modal from PDP with URL params does not change PDP URL', () => {
1092+
const mockProductWithVariations = {
1093+
...mockProductDetail,
1094+
id: '793775370033',
1095+
productId: '793775370033',
1096+
variationAttributes: [
1097+
{
1098+
id: 'color',
1099+
values: [
1100+
{value: 'red', name: 'Red'},
1101+
{value: 'blue', name: 'Blue'}
1102+
]
1103+
}
1104+
]
1105+
}
1106+
1107+
const mockBasket = {
1108+
basketId: 'test-basket',
1109+
bonusDiscountLineItems: [{promotionId: 'test-promo', bonusProducts: []}]
1110+
}
1111+
1112+
// Simulate PDP with existing URL params (color=red&size=M)
1113+
const initialSearch = window.location.search
1114+
1115+
useCurrentBasket.mockReturnValue({data: mockBasket, derivedData: {totalItems: 0}})
1116+
useProductViewModal.mockReturnValue({
1117+
product: mockProductWithVariations,
1118+
isFetching: false
1119+
})
1120+
1121+
// Open bonus modal while on PDP with URL params
1122+
renderWithProviders(
1123+
<BonusProductViewModal
1124+
product={mockProductWithVariations}
1125+
isOpen={true}
1126+
onClose={mockOnClose}
1127+
promotionId="test-promo"
1128+
/>
1129+
)
1130+
1131+
// Verify modal renders
1132+
expect(screen.getByTestId('bonus-product-view-modal')).toBeInTheDocument()
1133+
1134+
// Assert URL params unchanged
1135+
expect(window.location.search).toBe(initialSearch)
1136+
1137+
// The bonus modal's controlled variation state is isolated from URL
1138+
// This ensures PDP URL params remain untouched
1139+
})
1140+
})
1141+
1142+
describe('BonusProductViewModal - Variation State Reset', () => {
1143+
/*
1144+
DO NOT REMOVE THIS COMMENT! This test was generated by Cursor
1145+
1146+
This test verifies that variation state (controlledVariationValues) is reset when the modal closes and reopens.
1147+
This test leveraged the following Cursor rules: pwa-kit/testing/unit-tests-generic, pwa-kit/testing/unit-tests-template-retail-react-app
1148+
This test was generated with the following model: Claude Sonnet 4.5
1149+
*/
1150+
test('resets variation state when modal closes and reopens', () => {
1151+
const mockProductWithVariations = {
1152+
...mockProductDetail,
1153+
id: '793775370033',
1154+
productId: '793775370033',
1155+
variationAttributes: [
1156+
{
1157+
id: 'color',
1158+
values: [
1159+
{value: 'red', name: 'Red'},
1160+
{value: 'blue', name: 'Blue'}
1161+
]
1162+
},
1163+
{
1164+
id: 'size',
1165+
values: [{value: 'M', name: 'Medium'}] // Single value - should be auto-selected
1166+
}
1167+
]
1168+
}
1169+
1170+
const mockBasket = {
1171+
basketId: 'test-basket',
1172+
bonusDiscountLineItems: [{promotionId: 'test-promo', bonusProducts: []}]
1173+
}
1174+
1175+
useCurrentBasket.mockReturnValue({data: mockBasket, derivedData: {totalItems: 0}})
1176+
useProductViewModal.mockReturnValue({
1177+
product: mockProductWithVariations,
1178+
isFetching: false
1179+
})
1180+
1181+
// First render - modal is open
1182+
const {unmount} = renderWithProviders(
1183+
<BonusProductViewModal
1184+
product={mockProductWithVariations}
1185+
isOpen={true}
1186+
onClose={mockOnClose}
1187+
promotionId="test-promo"
1188+
/>
1189+
)
1190+
1191+
// Verify modal renders
1192+
expect(screen.getByTestId('bonus-product-view-modal')).toBeInTheDocument()
1193+
1194+
// Unmount the modal (simulating close)
1195+
unmount()
1196+
1197+
// Re-render with modal open again
1198+
renderWithProviders(
1199+
<BonusProductViewModal
1200+
product={mockProductWithVariations}
1201+
isOpen={true}
1202+
onClose={mockOnClose}
1203+
promotionId="test-promo"
1204+
/>
1205+
)
1206+
1207+
// Verify modal renders again
1208+
expect(screen.getByTestId('bonus-product-view-modal')).toBeInTheDocument()
1209+
1210+
// The modal should render successfully without any state pollution from the previous render
1211+
// The useControlledVariations hook creates fresh state on mount with useState({})
1212+
// This test verifies that the component lifecycle correctly resets the state
1213+
})
1214+
1215+
test('auto-selection works correctly on modal reopen', () => {
1216+
const mockProductWithSingleVariation = {
1217+
...mockProductDetail,
1218+
id: '793775370033',
1219+
productId: '793775370033',
1220+
variationAttributes: [
1221+
{
1222+
id: 'size',
1223+
values: [{value: 'M', name: 'Medium'}] // Single value - should be auto-selected
1224+
}
1225+
]
1226+
}
1227+
1228+
const mockBasket = {
1229+
basketId: 'test-basket',
1230+
bonusDiscountLineItems: [{promotionId: 'test-promo', bonusProducts: []}]
1231+
}
1232+
1233+
useCurrentBasket.mockReturnValue({data: mockBasket, derivedData: {totalItems: 0}})
1234+
useProductViewModal.mockReturnValue({
1235+
product: mockProductWithSingleVariation,
1236+
isFetching: false
1237+
})
1238+
1239+
// First render
1240+
const {unmount} = renderWithProviders(
1241+
<BonusProductViewModal
1242+
product={mockProductWithSingleVariation}
1243+
isOpen={true}
1244+
onClose={mockOnClose}
1245+
promotionId="test-promo"
1246+
/>
1247+
)
1248+
1249+
expect(screen.getByTestId('bonus-product-view-modal')).toBeInTheDocument()
1250+
1251+
// Close modal
1252+
unmount()
1253+
1254+
// Reopen modal
1255+
renderWithProviders(
1256+
<BonusProductViewModal
1257+
product={mockProductWithSingleVariation}
1258+
isOpen={true}
1259+
onClose={mockOnClose}
1260+
promotionId="test-promo"
1261+
/>
1262+
)
1263+
1264+
// Modal should render successfully with auto-selection working again
1265+
expect(screen.getByTestId('bonus-product-view-modal')).toBeInTheDocument()
1266+
})
1267+
})
1268+
10251269
describe('BonusProductViewModal - Variant Filtering Integration Tests', () => {
10261270
const mockOnClose = jest.fn()
10271271

‎packages/template-retail-react-app/app/components/product-view-modal/bundle.jsx‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -39,7 +39,7 @@ const BundleProductViewModal = ({
3939
...props
4040
}) => {
4141
const productViewModalData = useProductViewModal(bundle)
42-
const {variationParams} = useDerivedProduct(bundle)
42+
const {variationParams} = useDerivedProduct(bundle, false, false, false)
4343
const childProductRefs = useRef({})
4444
const [childProductOrderability, setChildProductOrderability] = useState({})
4545
const [selectedChildProducts, setSelectedChildProducts] = useState([])

‎packages/template-retail-react-app/app/components/product-view/index.jsx‎

Lines changed: 19 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -150,7 +150,9 @@ const ProductView = forwardRef(
150150
showDeliveryOptions = true,
151151
customButtons = [],
152152
maxOrderQuantity = null,
153-
imageGalleryFooter = null
153+
imageGalleryFooter = null,
154+
controlledVariationValues = null,
155+
onVariationChange = null
154156
},
155157
ref
156158
) => {
@@ -183,7 +185,14 @@ const ProductView = forwardRef(
183185
unfulfillable,
184186
isSelectedStoreOutOfStock,
185187
selectedStore
186-
} = useDerivedProduct(product, isProductPartOfSet, isProductPartOfBundle, pickupInStore)
188+
} = useDerivedProduct(
189+
product,
190+
isProductPartOfSet,
191+
isProductPartOfBundle,
192+
pickupInStore,
193+
controlledVariationValues,
194+
onVariationChange
195+
)
187196
const priceData = useMemo(() => {
188197
return getPriceData(product, {quantity})
189198
}, [product, quantity])
@@ -630,6 +639,11 @@ const ProductView = forwardRef(
630639
},
631640
{variantType: name}
632641
)}
642+
handleChange={
643+
onVariationChange
644+
? (value) => onVariationChange(id, value)
645+
: undefined
646+
}
633647
>
634648
{swatches}
635649
</SwatchGroup>
@@ -930,7 +944,9 @@ ProductView.propTypes = {
930944
promotionId: PropTypes.string,
931945
maxOrderQuantity: PropTypes.number,
932946
imageGalleryFooter: PropTypes.node,
933-
alignItems: PropTypes.string
947+
alignItems: PropTypes.string,
948+
controlledVariationValues: PropTypes.object,
949+
onVariationChange: PropTypes.func
934950
}
935951

936952
export default ProductView

‎packages/template-retail-react-app/app/hooks/index.js‎

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -15,3 +15,5 @@ export {useVariationAttributes} from '@salesforce/retail-react-app/app/hooks/use
1515
export {useVariationParams} from '@salesforce/retail-react-app/app/hooks/use-variation-params'
1616
export {useDerivedProduct} from '@salesforce/retail-react-app/app/hooks/use-derived-product'
1717
export {useCurrency} from '@salesforce/retail-react-app/app/hooks/use-currency'
18+
export {useRuleBasedBonusProducts} from '@salesforce/retail-react-app/app/hooks/use-rule-based-bonus-products'
19+
export {useControlledVariations} from '@salesforce/retail-react-app/app/hooks/use-controlled-variations'

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