getting there

1 files changed, 10 insertions, 1 deletions

diff --git a/frontend/enhancers/enhancers.js b/frontend/enhancers/enhancers.js
index f7021c3..1abdd78 100644
--- a/frontend/enhancers/enhancers.js
+++ b/frontend/enhancers/enhancers.js
@@ -59,7 +59,16 @@ export const addtoCartEnhancer = graphql(ADD_TO_CART_MUTATION, {
   name: 'addToCart',
   options: {
     update: (proxy, payload) => {
-      console.log('=----asdf-asd-fas-df-asdf-sa-df');
+      const newCartItem = payload.data.addToCart;
+      const data = proxy.readQuery({ query: CURRENT_USER_QUERY });
+      const existingIndex = data.me.cart.findIndex(cartItem => cartItem.id === newCartItem.id);
+      if (existingIndex >= 0) {
+        // already in cache, just replace it
+        data.me.cart = [...data.me.cart.slice(0, existingIndex), newCartItem, ...data.me.cart.slice(existingIndex + 1)];
+      } else {
+        data.me.cart = [...data.me.cart, newCartItem];
+      }
+      proxy.writeQuery({ query: CURRENT_USER_QUERY, data });
     },
   },
 });