From 701a9762cfd87f8239a94510275fa1b91f8a71dd Mon Sep 17 00:00:00 2001
From: Tyrel Souza <tyrel@tyrelsouza.com>
Date: Mon, 26 Sep 2022 13:31:06 -0400
Subject: [PATCH] grouping items

---
 ordering/src/store/CartProvider.js | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/ordering/src/store/CartProvider.js b/ordering/src/store/CartProvider.js
index 3a47e27..cb6c8f7 100644
--- a/ordering/src/store/CartProvider.js
+++ b/ordering/src/store/CartProvider.js
@@ -8,9 +8,25 @@ const defaultCartState = {
 
 const cartReducer = (state, action) => {
     if (action.type === "ADD") {
-        const updatedItems = state.items.concat(action.item)
         const updatedTotalAmount =
             state.totalAmount + action.item.price * action.item.amount
+        const existingCartItemIndex = state.items.findIndex(
+            (item) => item.id === action.item.id
+        )
+        const existingCartItem = state.items[existingCartItemIndex]
+        let updatedItems
+        if (existingCartItem)
+        {
+            const updatedItem = {
+                ...existingCartItem,
+                amount: existingCartItem.amount + action.item.amount
+            }
+            updatedItems = [...state.items]
+            updatedItems[existingCartItemIndex] = updatedItem
+        } else {
+            updatedItems = state.items.concat(action.item)
+        }
+
         return {
             items: updatedItems,
             totalAmount: updatedTotalAmount,