diff options
Diffstat (limited to 'lib/scoring/fibonacci_peer_with_blowout.rb')
-rw-r--r-- | lib/scoring/fibonacci_peer_with_blowout.rb | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/lib/scoring/fibonacci_peer_with_blowout.rb b/lib/scoring/fibonacci_peer_with_blowout.rb new file mode 100644 index 0000000..a13d76c --- /dev/null +++ b/lib/scoring/fibonacci_peer_with_blowout.rb @@ -0,0 +1,33 @@ +module Scoring + module FibonacciPeerWithBlowout + def self.stats_needed(match) + return ["votes", "win", "blowout"] + match.users.map{|u|"review_from_#{u.user_name}"} + end + + def self.score(match) + scores = {} + match.users.each do |user| + stats = user.statistics.where(match: match) + votes = 0 + match.users.each do |u| + votes += convert_place_to_votes stats.where(name: "review_from_#{u.user_name}").first.value + end + win = stats.where(name: "win" ).first.value + blowout = stats.where(name: "blowout").first.value + scores[user] = self.score_user(votes, win, blowout) + end + scores + end + + protected + + def self.score_user(votes, win, blowout) + fibonacci = Hash.new { |h,k| h[k] = k < 2 ? k : h[k-1] + h[k-2] } + fibonacci[votes+3] + (win ? blowout ? 12 : 10 : blowout ? 5 : 7) + end + + def self.convert_place_to_votes(place) + (place == 0 or place == 1) ? 1 : 0 + end + end +end |