From 81f83be16034f7660bffc3570821836495023cce Mon Sep 17 00:00:00 2001
From: Tyler Renelle <tylerrenelle@gmail.com>
Date: Tue, 13 Aug 2013 20:27:42 -0400
Subject: [PATCH] safeguard against NaN & null-value tasks

---
 script/algos.coffee | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/script/algos.coffee b/script/algos.coffee
index 81aec29859..9b2e53fe61 100644
--- a/script/algos.coffee
+++ b/script/algos.coffee
@@ -191,6 +191,12 @@ obj.score = (user, task, direction, options={}) ->
   [paths, times, cron] = [options.paths || {}, options.times || 1, options.cron || false]
   priority = task.priority or '!'
 
+  # Handle corrupt tasks
+  return 0 unless task.id
+  if !_.isNumber(value) or _.isNaN(value)
+    task.value = value = 0;
+    paths["task.#{task.id}.value"] = true
+
   # If they're trying to purhcase a too-expensive reward, don't allow them to do that.
   if task.value > user.stats.gp and task.type is 'reward'
     return