module Scheduling class Elimination include Rails.application.routes.url_helpers def initialize(tournament_stage) @tournament_stage = tournament_stage end def create_matches num_teams = (tournament.players.count/tournament.min_players_per_team).floor num_matches = (Float(num_teams - tournament.min_teams_per_match)/(tournament.min_teams_per_match - 1)).ceil + 1 for i in 1..num_matches tournament_stage.matches.create(status: 0, submitted_peer_evaluations: 0) end match_num = num_matches-1 team_num = 0 tournament.players.shuffle # for each grouping of min_players_per_team tournament.players.each_slice(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 == tournament.min_teams_per_match) match_num -= 1 team_num = 1 else team_num += 1 end # create a new team in the current match tournament_stage.matches[match_num].teams.push(Team.create(users: team_members)) end end def finish_match(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 numTeams = @tournament_stage.tournament.min_teams_per_match logBase = numTeams # depth of SVG tree depth = Math.log(matches.count*(logBase-1),logBase).floor+1; # height of SVG matchHeight = 50*logBase; height = [(matchHeight+50) * logBase**(depth-1) + 100, 500].max; str = <<-STRING <svg version="1.1" baseProfile="full" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="100%" height="#{height}"> <defs> <radialGradient id="gradMatch" cx="50%" cy="50%" r="80%" fx="50%" fy="50%"> <stop offset="0%" style="stop-color:#fff; stop-opacity:1" /> <stop offset="100%" style="stop-color:#ccc;stop-opacity:0" /> </radialGradient> </defs> STRING base = 1 pBase = 1 (1..matches.count).each do |i| matchDepth = Math.log(i*(logBase-1), logBase).floor+1 puts matchDepth if matchDepth > Math.log(base*(logBase-1), logBase).floor+1 pBase = base base = i end puts base rh = 100 / (logBase**(depth-1)+1) - 100/height; puts rh rw = 100/(depth+1) - 5 puts rw rx = 50/(depth+1) + 100/(depth+1)*(depth-matchDepth) puts rx ry = 100/(logBase**(matchDepth-1)+1) * (i-base+1) - rh/2 puts ry str += "\t<a id=\"svg-match-#{i}\" xlink:href=\"#{match_path(matches[i])}\"><g>\n" str += "\t\t<rect height=\"#{rh}%\" width=\"#{rw}%\" x=\"#{rx}%\" y=\"#{ry}%\" fill=\"url(#gradMatch)\" rx=\"5px\" stroke-width=\"2\"" case matches[i].status when 0 if matches[i].teams.count < @tournament_stage.tournament.min_teams_per_match str += ' stroke="red"' str += ' fill-opacity="0.6"' else str += ' stroke="green"' end when 1 str += ' stroke="orange"' when 2 str += ' stroke="yellow"' when 3 str += ' stroke="grey"' end str += "/>\n" t = 1 while t <= numTeams color = (matches[i].teams[t-1] and matches[i].teams[t-1].users.include?(current_user)) ? "#5BC0DE" : "white" str += "\t\t<rect width=\"#{rw-5}%\" height=\"#{rh*Float(30)/(matchHeight)}%\" x=\"#{rx + 2.5}%\" y=\"#{ry + (Float(t-1)/numTeams)*rh + 1 }%\" fill=\"#{color}\" />\n" if matches[i].teams[t-1] str += "\t\t<text x=\"#{rx + rw/4}%\" y=\"#{ry + (Float(t-1)/numTeams + Float(33)/(matchHeight))*rh}%\" font-size=\"200%\">Team #{matches[i].teams[t-1].id}</text>\n" end if (t < numTeams) str += "\t\t<text x=\"#{rx + 1.3*rw/3}%\" y=\"#{ry + (Float(t)/numTeams)*rh + 1}%\" font-size=\"200%\"> VS </text>\n" end t = t + 1 end if i > 1 parent = (i+logBase-2)/logBase pDepth = Math.log(parent*(logBase-1), logBase).floor+1 lastrx = 50/(depth+1) + 100/(depth+1)*(depth-pDepth) lastry = 100/(logBase**(pDepth-1)+1) * (parent-pBase+1) - rh/2 str += "\t\t<line x1=\"#{rx+rw}%\" y1=\"#{ry+rh/2}%\" x2=\"#{lastrx}%\" y2=\"#{lastry+rh/2}%\" stroke=\"white\" stroke-width=\"2\" >\n" end str += "</g></a>\n" end str += '</svg>' return str end private def tournament_stage @tournament_stage end def tournament tournament_stage.tournament end end end