diff options
Diffstat (limited to 'lib/scheduling/elimination.rb')
| -rw-r--r-- | lib/scheduling/elimination.rb | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/lib/scheduling/elimination.rb b/lib/scheduling/elimination.rb new file mode 100644 index 0000000..1ac696d --- /dev/null +++ b/lib/scheduling/elimination.rb @@ -0,0 +1,130 @@ + +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 +<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="80%" fy="80%"> + <stop offset="0%" style="stop-color:#ffd281; stop-opacity:0" /> + <stop offset="100%" style="stop-color:#ccc;stop-opacity:1" /> + </radialGradient> + </defs> +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<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" + + color = (matches[i].teams[0] and matches[i].teams[0].users.include?(current_user)) ? "#BCED91" : "white" + str += "\t\t<rect width=\"#{rw-5}%\" height=\"#{rh/4}%\" x=\"#{rx + 2.5}%\" y=\"#{ry + rh/6}%\" fill=\"#{color}\" />\n" + if matches[i].teams.first + str += "\t\t<text x=\"#{rx + rw/4}%\" y=\"#{ry + rh/3}%\" font-size=\"#{rh}\">Team #{matches[i].teams.first.id}</text>\n" + end + + str += "\t\t<text x=\"#{rx + 1.3*rw/3}%\" y=\"#{ry + 5.2*rh/9}%\" font-size=\"#{rh}\"> VS </text>\n" + + color = (matches[i].teams[1] and matches[i].teams[1].users.include?(current_user)) ? "#BCED91" : "white" + str += "\t\t<rect width=\"#{rw-5}%\" height=\"#{rh/4}%\" x=\"#{rx + 2.5}%\" y=\"#{ry + 3*rh/5}%\" fill=\"#{color}\" />\n" + if matches[i].teams[1] + str += "\t\t<text x=\"#{rx + rw/4}%\" y=\"#{ry + 4*rh/5}%\" font-size=\"#{rh}\">Team #{matches[i].teams[1].id}</text>\n" + end + + if i > 1 + str += "\t\t<line x1=\"#{rx+rw}%\" y1=\"#{ry+rh/2}%\" x2=\"#{lastrx}%\" y2=\"#{lastry+lastrh/2}%\" stroke=\"black\" stroke-width=\"2\" >\n" + end + if Math.log2(i+1) == Math.log2(i+1).ceil + lastrx = rx + lastry = ry + lastrh = rh + lastrw = rw + end + str += "</g></a>\n" + end + str += '</svg>' + + return str + end + end +end |