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-rw-r--r--lib/seeding/fair_ranked_seeding.rb46
1 files changed, 46 insertions, 0 deletions
diff --git a/lib/seeding/fair_ranked_seeding.rb b/lib/seeding/fair_ranked_seeding.rb
new file mode 100644
index 0000000..2d0eeb4
--- /dev/null
+++ b/lib/seeding/fair_ranked_seeding.rb
@@ -0,0 +1,46 @@
+module Seeding
+ class FairRankedSeeding
+ def seed_matches(tournament)
+ matches = tournament.current_stage.matches
+ match = matches.first
+ match_num = 0
+ players_used = 0
+ best_first(tournament).each_slice(tournament.min_teams_per_match) do |slice|
+ (0..tournament.min_teams_per_match-1).each do |index|
+ match.teams[index].players += slice[index]
+ end
+ players_used += 1
+ if players_used == tournament.min_players_per_team
+ match_num += 1
+ match = matches[match_num]
+ players_used = 0
+ end
+ end
+ end
+
+ private
+ def best_first(tournament)
+ tournament.players.sort {|a, b| better(a, b, tournament) }
+ end
+
+ def better(player1, player2, tournament)
+ ps1 = previousScore(player1, tournament)
+ ps2 = previousScore(player2, tournament)
+ if ps1 > ps2
+ return 1
+ elsif ps2 > ps1
+ return -1
+ else
+ return 0
+ end
+ end
+
+ def previousScore(player, tournament)
+ score = tournament.statistics.getStatistic(player.matches.last, player, :score)
+ if score.nil?
+ return 0
+ end
+ score
+ end
+ end
+end \ No newline at end of file