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privatized methods in proxy_exercise

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Thomas Hille
2017-02-27 11:43:06 +01:00
parent 66a2d8c992
commit 355e8af14b
1 changed files with 7 additions and 0 deletions
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7
app/models/proxy_exercise.rb
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@ -61,6 +61,7 @@ class ProxyExercise < ActiveRecord::Base
recommended_exercise recommended_exercise
end end
end end
private :find_matching_exercise
def select_best_matching_exercise(user, exercises_user_has_accessed, potential_recommended_exercises) def select_best_matching_exercise(user, exercises_user_has_accessed, potential_recommended_exercises)
topic_knowledge_user_and_max = get_user_knowledge_and_max_knowledge(user, exercises_user_has_accessed) topic_knowledge_user_and_max = get_user_knowledge_and_max_knowledge(user, exercises_user_has_accessed)
@ -93,6 +94,7 @@ class ProxyExercise < ActiveRecord::Base
Rails.logger.info("relative improvements #{relative_knowledge_improvement.map{|k,v| k.id.to_s + ':' + v.to_s}}") Rails.logger.info("relative improvements #{relative_knowledge_improvement.map{|k,v| k.id.to_s + ':' + v.to_s}}")
best_matching_exercise best_matching_exercise
end end
private :select_best_matching_exercise
def find_best_exercise(relative_knowledge_improvement, highest_difficulty_user_has_accessed) def find_best_exercise(relative_knowledge_improvement, highest_difficulty_user_has_accessed)
Rails.logger.info("select most appropiate exercise for user. his highest difficulty was #{highest_difficulty_user_has_accessed}") Rails.logger.info("select most appropiate exercise for user. his highest difficulty was #{highest_difficulty_user_has_accessed}")
@ -111,6 +113,7 @@ class ProxyExercise < ActiveRecord::Base
Rails.logger.info("no match, select easiest exercise as fallback #{easiest_exercise.id}") Rails.logger.info("no match, select easiest exercise as fallback #{easiest_exercise.id}")
easiest_exercise easiest_exercise
end end
private :find_best_exercise
# [score][quantile] # [score][quantile]
def scoring_matrix def scoring_matrix
@ -126,6 +129,7 @@ class ProxyExercise < ActiveRecord::Base
def scoring_matrix_quantiles def scoring_matrix_quantiles
[0.2,0.4,0.6,0.8] [0.2,0.4,0.6,0.8]
end end
private :scoring_matrix_quantiles
def score(user, ex) def score(user, ex)
points_ratio = ex.maximum_score(user) / ex.maximum_score.to_f points_ratio = ex.maximum_score(user) / ex.maximum_score.to_f
@ -149,6 +153,7 @@ class ProxyExercise < ActiveRecord::Base
"score: #{scoring_matrix[points_ratio_index][quantile_index]}") "score: #{scoring_matrix[points_ratio_index][quantile_index]}")
scoring_matrix[points_ratio_index][quantile_index] scoring_matrix[points_ratio_index][quantile_index]
end end
private :score
def get_relative_knowledge_loss(user, exercises) def get_relative_knowledge_loss(user, exercises)
# initialize knowledge for each tag with 0 # initialize knowledge for each tag with 0
@ -170,6 +175,7 @@ class ProxyExercise < ActiveRecord::Base
end end
relative_loss relative_loss
end end
private :get_relative_knowledge_loss
def get_user_knowledge_and_max_knowledge(user, exercises) def get_user_knowledge_and_max_knowledge(user, exercises)
# initialize knowledge for each tag with 0 # initialize knowledge for each tag with 0
@ -191,6 +197,7 @@ class ProxyExercise < ActiveRecord::Base
end end
{user_topic_knowledge: topic_knowledge_loss_user, max_topic_knowledge: topic_knowledge_max} {user_topic_knowledge: topic_knowledge_loss_user, max_topic_knowledge: topic_knowledge_max}
end end
private :get_user_knowledge_and_max_knowledge
def select_easiest_exercise(exercises) def select_easiest_exercise(exercises)
exercises.order(:expected_difficulty).first exercises.order(:expected_difficulty).first