module Scheduling class Elimination include Rails.application.routes.url_helpers 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 self.tournament.players.shuffle # for each grouping of min_players_per_team self.tournament.players.each_slice(self.tournament.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 == self.tournament.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(current_user) matches = @tournament_stage.matches_ordered # depth of SVG tree depth = Math.log2(matches.count).floor+1; # height of SVG height = [200 * 2**Math.log2(matches.count).floor + 100, 500].max; lastrx = 0 lastry = 0 lastrh = 0 lastrw = 0 str = <<-STRING STRING (1..matches.count).each do |i| rh = 100/(2**(depth-1)+1) - 5 rw = 100/(depth+1) - 5 rx = 50/(depth+1) + 100/(depth+1)*(depth-(Math.log2(i).floor+1)) ry = ( 100/(2**(Math.log2(i).floor)+1) + rh * 1.1 * (2**Math.log2(i).ceil-i)) str += "\t\n" str += "\t\t\n" if matches[i].teams.first str += "\t\tTeam #{matches[i].teams.first.id}\n" end str += "\t\t VS \n" color = (matches[i].teams[1] and matches[i].teams[1].users.include?(current_user)) ? "#BCED91" : "white" str += "\t\t\n" if matches[i].teams[1] str += "\t\tTeam #{matches[i].teams[1].id}\n" end if i > 1 str += "\t\t\n" end if Math.log2(i+1) == Math.log2(i+1).ceil lastrx = rx lastry = ry lastrh = rh lastrw = rw end str += "\n" end str += '' return str end end end