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module Scheduling
class Elimination
def initialize(tournament_stage)
@tournament_stage = tournament_stage
end
def tournament_stage
@tournament_stage
end
def tournament
self.tournament_stage.tournament
end
def create_matches
num_teams = (self.tournament.players.count/self.tournament.min_players_per_team).floor
num_matches = num_teams - 1
for i in 1..num_matches
self.tournament_stage.matches.create(status: 0, submitted_peer_evaluations: 0)
end
match_num = num_matches-1
team_num = 0
# for each grouping of min_players_per_team
self.tournament.players.each_slice(min_players_per_team) do |team_members|
# if the match is full, move to the next match, otherwise move to the next team
if (team_num == min_teams_per_match)
match_num -= 1
team_num = 0
else
team_num += 1
end
# create a new team in the current match
self.tournament_stage.matches[match_num].teams.push(Team.create(users: team_members))
end
end
def match_finished(match)
matches = match.tournament_stage.matches_ordered
cur_match_num = matches.invert[match]
unless cur_match_num == 1
match.winner.matches.push(matches[cur_match_num/2])
end
end
def graph
require 'erb'
erb_filename = File.join(File.dirname(__FILE__), 'elimination.svg.erb')
erb = ERB.new(File.read(erb_filename))
erb.filename = erb_filename
return erb.result
end
end
end
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