From fd1be18b09e8e5141a2a899e786e7caf08b3ff62 Mon Sep 17 00:00:00 2001
From: Tiago Gimenes <tlgimenes@gmail.com>
Date: Fri, 25 Feb 2022 15:33:35 -0300
Subject: [PATCH] fix: Cart item availability (#1160)

* validate cart

* Update packages/api/src/platforms/vtex/resolvers/validateCart.ts

Co-authored-by: Eduardo Formiga <eduardo.formiga@gmail.com>

Co-authored-by: Eduardo Formiga <eduardo.formiga@gmail.com>
---
 .../api/src/platforms/vtex/clients/fetch.ts   |  1 +
 .../platforms/vtex/resolvers/validateCart.ts  | 44 +++++++++----------
 2 files changed, 23 insertions(+), 22 deletions(-)

diff --git a/packages/api/src/platforms/vtex/clients/fetch.ts b/packages/api/src/platforms/vtex/clients/fetch.ts
index 7020c11dba..458637fed4 100644
--- a/packages/api/src/platforms/vtex/clients/fetch.ts
+++ b/packages/api/src/platforms/vtex/clients/fetch.ts
@@ -7,6 +7,7 @@ export const fetchAPI = async (info: RequestInfo, init?: RequestInit) => {
     return response.json()
   }
 
+  console.error(info, init, response)
   const text = await response.text()
 
   throw new Error(text)
diff --git a/packages/api/src/platforms/vtex/resolvers/validateCart.ts b/packages/api/src/platforms/vtex/resolvers/validateCart.ts
index b654e9532a..56a0a404b8 100644
--- a/packages/api/src/platforms/vtex/resolvers/validateCart.ts
+++ b/packages/api/src/platforms/vtex/resolvers/validateCart.ts
@@ -1,6 +1,10 @@
 import deepEquals from 'fast-deep-equal'
 
-import type { IStoreCart, IStoreOffer } from '../../../__generated__/schema'
+import type {
+  IStoreOrder,
+  IStoreCart,
+  IStoreOffer,
+} from '../../../__generated__/schema'
 import type {
   OrderForm,
   OrderFormItem,
@@ -47,23 +51,22 @@ const groupById = (offers: IStoreOffer[]): Map<string, IStoreOffer> =>
     return acc
   }, new Map<string, IStoreOffer>())
 
-const equals = (of1: OrderForm, of2: OrderForm) => {
-  const pick = ({ orderFormId, messages, items, salesChannel }: OrderForm) => ({
-    orderFormId,
-    messages,
-    salesChannel,
-    items: items.map(
-      ({ uniqueId, quantity, seller, sellingPrice, availability }) => ({
-        uniqueId,
-        quantity,
-        seller,
-        sellingPrice,
-        availability,
-      })
-    ),
+const equals = (storeOrder: IStoreOrder, orderForm: OrderForm) => {
+  const pick = (item: Indexed<IStoreOffer>, index: number) => ({
+    ...item,
+    itemOffered: {
+      sku: item.itemOffered.sku,
+    },
+    index,
   })
 
-  return deepEquals(pick(of1), pick(of2))
+  const orderFormItems = orderForm.items.map(orderFormItemToOffer).map(pick)
+  const storeOrderItems = storeOrder.acceptedOffer.map(pick)
+
+  const isSameOrder = storeOrder.orderNumber === orderForm.orderFormId
+  const orderItensAreSync = deepEquals(orderFormItems, storeOrderItems)
+
+  return isSameOrder && orderItensAreSync
 }
 
 /**
@@ -81,13 +84,10 @@ const equals = (of1: OrderForm, of2: OrderForm) => {
  */
 export const validateCart = async (
   _: unknown,
-  {
-    cart: {
-      order: { orderNumber, acceptedOffer },
-    },
-  }: { cart: IStoreCart },
+  { cart: { order } }: { cart: IStoreCart },
   ctx: Context
 ) => {
+  const { orderNumber, acceptedOffer } = order
   const {
     clients: { commerce },
     loaders: { skuLoader },
@@ -145,7 +145,7 @@ export const validateCart = async (
   })
 
   // Step5: If no changes detected before/after updating orderForm, the order is validated
-  if (equals(orderForm, updatedOrderForm)) {
+  if (equals(order, updatedOrderForm)) {
     return null
   }