fix exercise_file duplication bug

2019-10-07 18:50:07 +02:00
parent 49d438cef8
commit 6a296cbe65
5 changed files with 19 additions and 11 deletions
--- a/app/models/exercise.rb
+++ b/app/models/exercise.rb
@ -35,13 +35,13 @@ class Exercise < ApplicationRecord
  validates :public, boolean_presence: true
  validates :title, presence: true
  validates :token, presence: true, uniqueness: true
+  validates_uniqueness_of :uuid

  @working_time_statistics = nil
  attr_reader :working_time_statistics

  MAX_EXERCISE_FEEDBACKS = 20

-
  def average_percentage
    if average_score and maximum_score != 0.0 and submissions.exists?(cause: 'submit')
      (average_score / maximum_score * 100).round(2)