handle 0 max score

2015-04-23 15:43:23 +02:00
parent 90051fff1c
commit c7d939104f
1 changed files with 5 additions and 1 deletions
--- a/app/models/submission.rb
+++ b/app/models/submission.rb
@ -38,7 +38,11 @@ class Submission < ActiveRecord::Base
  end

  def normalized_score
-    score / exercise.maximum_score if score
+    if score && exercise.maximum_score && exercise.maximum_score > 0
+      score / exercise.maximum_score
+    else
+      0
+    return
  end

  def percentage