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fix NaN exception if user attend spielweise

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Thomas Hille
2017-04-12 13:24:56 +02:00
parent 341cd3a003
commit b9fb743cf8
1 changed files with 6 additions and 1 deletions
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7
app/models/proxy_exercise.rb
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@ -185,7 +185,12 @@ class ProxyExercise < ActiveRecord::Base
private :scoring_matrix_quantiles private :scoring_matrix_quantiles
def score(user, ex) def score(user, ex)
points_ratio = ex.maximum_score(user) / ex.maximum_score.to_f max_score = ex.maximum_score.to_f
if max_score <= 0
Rails.logger.debug("scoring user #{user.id} for exercise #{ex.id}: score: 0" )
return 0.0
end
points_ratio = ex.maximum_score(user) / max_score
if points_ratio == 0.0 if points_ratio == 0.0
Rails.logger.debug("scoring user #{user.id} for exercise #{ex.id}: points_ratio=#{points_ratio} score: 0" ) Rails.logger.debug("scoring user #{user.id} for exercise #{ex.id}: points_ratio=#{points_ratio} score: 0" )
return 0.0 return 0.0