From d204f4b6b8dda269755a6352a3fdd6459ed999fd Mon Sep 17 00:00:00 2001
From: keyan <keyan.kousha+huumn@gmail.com>
Date: Tue, 7 Sep 2021 07:59:27 -0500
Subject: [PATCH] fix clientside race to update cache of item upvote

---
 components/upvote.js | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/components/upvote.js b/components/upvote.js
index 96756b06..50c13923 100644
--- a/components/upvote.js
+++ b/components/upvote.js
@@ -15,6 +15,16 @@ export default function UpVote ({ itemId, meSats, className }) {
         vote(id: $id, sats: $sats)
       }`, {
       update (cache, { data: { vote } }) {
+        // read in the cached object so we don't use meSats prop
+        // which can be stale
+        const item = cache.readFragment({
+          id: `Item:${itemId}`,
+          fragment: gql`
+            fragment votedItem on Item {
+              meSats
+            }
+          `
+        })
         cache.modify({
           id: `Item:${itemId}`,
           fields: {
@@ -22,10 +32,10 @@ export default function UpVote ({ itemId, meSats, className }) {
               return existingMeSats + vote
             },
             sats (existingSats = 0) {
-              return meSats === 0 ? existingSats + vote : existingSats
+              return item.meSats === 0 ? existingSats + vote : existingSats
             },
             boost (existingBoost = 0) {
-              return meSats >= 1 ? existingBoost + vote : existingBoost
+              return item.meSats >= 1 ? existingBoost + vote : existingBoost
             }
           }
         })