add to cart, cart page, change cart item quantity

1 files changed, 13 insertions, 26 deletions

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