Fix math error in ratings snippet (#1)

firebase · Jan 8, 2018 · 14d21e9 · 14d21e9
1 parent d614297
commit 14d21e9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/firestore/test.firestore.js b/firestore/test.firestore.js
@@ -807,7 +807,7 @@ describe("firestore", () => {
 
  // Compute new average rating
  var oldRatingTotal = res.data().avgRating * res.data().numRatings;
- var newAvgRating = (oldRatingTotal * rating) / newNumRatings;
+ var newAvgRating = (oldRatingTotal + rating) / newNumRatings;
 
  // Commit to Firestore
  transaction.update(restaurantRef, {