toplist gauge wip

  end

  def field_values_at(time, opts={}, &block)

    opts[:max_fields] ||= 50

    opts[:limit] ||= (opts[:max_fields] || 50)

    sync_redis.zrevrange(

      tick_key(time), 

      0, opts[:max_fields]-1, 

      tick_key(time, opts[:append]), 

      0, opts[:limit]-1, 

      :withscores => true

    ).in_groups_of(2).map do |key, val|

      [key, calculate_value(val, time, opts, block)]

  def render(namespace, event)

    interval = parse_interval(event["interval"])

    colors = ["#2F635E", "#606B36", "#727070", "#936953", "#CD645A", "#FACE4F", "#42436B"]

    #res = @opts[:redis].zrevrangebyscore(rkey, "+inf", 0, :limit => [0, @opts[:show_top_n]]) 

    #@toplist = FnordMetric::Toplist.new

    ticks_in(interval).each do |_tick|

      puts field_values_at(_tick, 

        :limit => top_k, 

        :append => :toplist

      ).inspect

    end    

    @toplist = {}

    render_page(:toplist_gauge)

  end

private

  def observe(ctx, item)

    puts "YAY"

    at = ctx.send(:time)

    ctx.redis_exec :zincrby, tick_key(at, :toplist), 1, item

    ctx.redis_exec :incrby, tick_key(at, :total), 1

    ctx.redis_exec :zremrangebyrank, tick_key(at, :toplist), 0, -top_k

  end

    .headbar

      %h2 Top 50 #{key_nouns.last}

    .ui_toplist

      -50.times do

      - @toplist.each do |item, score|

        .toplist_item

          .title keyword

          .value 36

          .title= item

          .value= score

          .percent 73.5%