From b208fddabbde7beebd05ff0b3d7ca598bcd62045 Mon Sep 17 00:00:00 2001
From: Nick Winter <livelily@gmail.com>
Date: Wed, 23 Mar 2016 15:56:45 -0700
Subject: [PATCH] Fix #3484

---
 app/models/LevelSession.coffee | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/app/models/LevelSession.coffee b/app/models/LevelSession.coffee
index 0865d2e31..63621fa66 100644
--- a/app/models/LevelSession.coffee
+++ b/app/models/LevelSession.coffee
@@ -67,7 +67,13 @@ module.exports = class LevelSession extends CocoModel
     return 0 unless last = state.lastUnsuccessfulSubmissionTime
     last = new Date(last) if _.isString last
     # Wait at least this long before allowing submit button active again.
-    (last - new Date()) + 22 * 60 * 60 * 1000
+    wait = (last - new Date()) + 22 * 60 * 60 * 1000
+    if wait > 24 * 60 * 60 * 1000
+      # System clock must've gotten busted; max out at one day's wait.
+      wait = 24 * 60 * 60 * 1000
+      state.lastUnsuccessfulSubmissionTime = new Date()
+      @set 'state', state
+    wait
 
   recordScores: (scores, level) ->
     state = @get 'state'