Fix NaN error for exercises without scores

2016-01-21 14:03:42 +01:00
parent 55cf067799
commit a24e29345d
1 changed files with 1 additions and 1 deletions
--- a/app/models/exercise.rb
+++ b/app/models/exercise.rb
@ -29,7 +29,7 @@ class Exercise < ActiveRecord::Base


  def average_percentage
-    (average_score / maximum_score * 100).round if average_score
+    (average_score / maximum_score * 100).round if average_score and maximum_score != 0.0 else 0
  end

  def average_score