Prevent Zero-Division Exception

2019-05-08 20:09:51 +02:00
parent dbe0b10dfa
commit 8c56dec038
1 changed files with 1 additions and 1 deletions
--- a/app/models/exercise.rb
+++ b/app/models/exercise.rb
@ -208,7 +208,7 @@ class Exercise < ApplicationRecord
    end

    results = self.class.connection.execute(study_group_working_time_query(id, study_group_id, additional_filter)).each do |tuple|
-      if tuple['score'] <= maximum_score
+      if maximum_score > 0.0 && tuple['score'] <= maximum_score
        bucket = (tuple['score'] / maximum_score * max_bucket).round
      else
        bucket = max_bucket # maximum_score / maximum_score will always be 1