forgot some files.

lib/ranked/ranking.rb

@@ -0,0 +1,23 @@
+module Ranked
+  module Ranking
+
+    def self.ladder
+      ladder = []
+      Result.order(:at).each do |r|
+        ladder.push(r.winner_id) unless ladder.include?(r.winner_id)
+        ladder.push(r.loser_id) unless ladder.include?(r.loser_id)
+
+        winner_index = ladder.index(r.winner_id)
+        loser_index = ladder.index(r.loser_id)
+
+        if winner_index > loser_index
+          ladder.delete_at(winner_index)
+          ladder = ladder.insert(loser_index, r.winner_id)
+        end
+      end
+
+      ladder.map { |i| Player[i] }
+    end
+
+  end
+end

scripts/sample.rb

@@ -0,0 +1,27 @@
+#!/usr/bin/env ruby
+
+$:.unshift(File.expand_path(File.join(File.dirname(File.dirname($0)), "lib")))
+
+require "sequel"
+
+require "ranked/log"
+require "ranked/conf"
+require "ranked/autoload"
+
+include Ranked
+
+if db = Sequel.connect(Conf.database_url)
+  ok = db.test_connection
+  Log.notice ok: ok
+  if ok
+    db.tables.each { |model| Sequel::Model(model) }
+    p1 = Player.create user: "fine@heroku.com"
+    p2 = Player.create user: "pedro@heroku.com"
+    p3 = Player.create user: "blake@heroku.com"
+    Result.create at: Time.now, winner_id: p1.id, loser_id: p2.id
+    Result.create at: Time.now + 1000, winner_id: p1.id, loser_id: p3.id
+    Result.create at: Time.now + 2000, winner_id: p2.id, loser_id: p3.id
+  end
+end    
+
+