From bd4008ac5c2a22c1d99239ba0691cfb8ef0e9aea Mon Sep 17 00:00:00 2001
From: Rafi Zadanly <rafizadanly@gmail.com>
Date: Wed, 14 Dec 2022 17:48:03 +0700
Subject: add to cart, cart page, change cart item quantity

---
 src/helpers/cart.js | 39 +++++++++++++--------------------------
 1 file changed, 13 insertions(+), 26 deletions(-)

(limited to 'src/helpers')

diff --git a/src/helpers/cart.js b/src/helpers/cart.js
index 07e47324..8712c03a 100644
--- a/src/helpers/cart.js
+++ b/src/helpers/cart.js
@@ -1,7 +1,7 @@
 const getCart = () => {
   const cart = localStorage.getItem('cart');
   if (cart) return JSON.parse(cart);
-  return [];
+  return {};
 }
 
 const setCart = (cart) => {
@@ -9,18 +9,18 @@ const setCart = (cart) => {
   return true;
 }
 
-const getItemIndex = (product_id) => {
-  const cart = getCart();
-  return cart.findIndex((item) => item.product_id == product_id);
+const getItemCart = (product_id) => {
+  let cart = getCart();
+  return cart[product_id];
 }
 
-const addToCart = (product_id, quantity) => {
+const createOrUpdateItemCart = (product_id, quantity) => {
   let cart = getCart();
-  let itemIndexByProductId = getItemIndex(product_id);
-  if (itemIndexByProductId > -1) {
-    updateItemCart(product_id, quantity);
+  let isFoundInCart = cart[product_id];
+  if (isFoundInCart) {
+    cart[product_id].quantity = quantity;
   } else {
-    cart.push({ product_id, quantity });
+    cart[product_id] = { product_id, quantity };
   }
   setCart(cart);
   return true;
@@ -28,27 +28,14 @@ const addToCart = (product_id, quantity) => {
 
 const deleteItemCart = (product_id) => {
   let cart = getCart();
-  let itemIndexByProductId = getItemIndex(product_id);
-  if (itemIndexByProductId > -1) {
-    cart.splice(itemIndexByProductId, 1)
-  }
-  setCart(cart);
-  return true;
-}
-
-const updateItemCart = (product_id, quantity) => {
-  let cart = getCart();
-  let itemIndexByProductId = getItemIndex(product_id);
-  if (itemIndexByProductId > -1) {
-    cart[itemIndexByProductId].quantity += quantity;
-  }
+  delete cart[product_id]
   setCart(cart);
   return true;
 }
 
 export {
   getCart,
-  addToCart,
-  deleteItemCart,
-  updateItemCart
+  getItemCart,
+  createOrUpdateItemCart,
+  deleteItemCart
 }
\ No newline at end of file
-- 
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