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class TartifletteScoringService
def self.scored?(tartiflette, session)
session[:scored_tartiflettes] ||= []
session[:scored_tartiflettes].include?(tartiflette.id)
end
def self.mark_as_scored(tartiflette, session)
session[:scored_tartiflettes] ||= []
session[:scored_tartiflettes] << tartiflette.id unless scored?(tartiflette, session)
end
def self.submit_scores(tartiflette, scores, session)
scores.each do |criterium_id, score_params|
Score.create!(
session_id: session.id,
tartiflette: tartiflette,
scoring_criterium_id: criterium_id,
value: score_params[:value]
)
end
mark_as_scored(tartiflette, session)
rescue ActiveRecord::RecordInvalid => e
raise StandardError, "Failed to create score: #{e.message}"
end
def self.update_scores(tartiflette, scores, session)
scores.each do |score_id, score_params|
score = tartiflette.scores.find(score_id)
score.update!(value: score_params[:value])
end
rescue ActiveRecord::RecordInvalid => e
raise StandardError, "Failed to update score: #{e.message}"
end
def self.average_score(tartiflette)
tartiflette.scores.average(:value).to_f
end
def self.average_score_by_category(tartiflette)
tartiflette
.scores
.group_by { |score| score.scoring_criterium.category }
.transform_values do |scores|
(scores.sum(&:value).to_f / scores.size).round(2)
end
end
def self.total_score_by_category(tartiflette)
tartiflette
.scores
.group_by { |score| score.scoring_criterium.category }
.transform_values do |scores|
(scores.sum(&:value).to_f / scores.size).round(2)
end
end
def self.leaderboard
Tartiflette
.joins(:scores)
.select("tartiflettes.*, SUM(scores.value) AS total_score")
.group("tartiflettes.id")
.order("total_score DESC")
.map { |tartiflette| [ tartiflette, tartiflette.total_score.to_f ] }
end
end
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