fix(core-flows): variant pricing batch update (#7677)

* fix: variant pricing batch update

* fix: batch endpoint throwing when `create` array isn't passed

* fix: batch variants workflow

packages/admin-next/dashboard/src/hooks/api/products.tsx

@@ -166,7 +166,10 @@ export const useUpdateProductVariantsBatch = (
   return useMutation({
     mutationFn: (
       payload: HttpTypes.AdminBatchProductVariantRequest["update"]
-    ) => sdk.admin.product.batchVariants(productId, { update: payload }),
+    ) =>
+      sdk.admin.product.batchVariants(productId, {
+        update: payload,
+      }),
     onSuccess: (data: any, variables: any, context: any) => {
       queryClient.invalidateQueries({ queryKey: variantsQueryKeys.lists() })
       queryClient.invalidateQueries({

packages/admin-next/dashboard/src/routes/products/product-prices/pricing-edit.tsx

@@ -48,17 +48,22 @@ export const PricingEdit = ({
 
   const handleSubmit = form.handleSubmit(
     async (values) => {
-      const reqData = {
-        update: values.variants.map((variant, ind) => ({
-          id: product.variants[ind].id,
-          prices: Object.entries(variant.prices || {}).map(
-            ([key, value]: any) => ({
-              currency_code: key,
-              amount: castNumber(value),
-            })
-          ),
-        })),
-      }
+      const reqData = values.variants.map((variant, ind) => ({
+        id: product.variants[ind].id,
+        prices: Object.entries(variant.prices || {}).map(
+          ([currency_code, value]: any) => {
+            const id = product.variants[ind].prices.find(
+              (p) => p.currency_code === currency_code
+            )?.id
+
+            const amount = castNumber(value)
+
+            return id
+              ? { id, amount, currency_code }
+              : { currency_code, amount }
+          }
+        ),
+      }))
       await mutateAsync(reqData, {
         onSuccess: () => {
           handleSuccess(`/products/${product.id}`)