Graphs idea.rb

class Longtail
  attr_accessor :model
  attr_accessor :field

  def initialize(options)
    @model = options[:model]
    @field = options[:field]
  end 
  
  def fetch
    data = @model.count(:group => @field, :order => "count_all DESC")
    data.to_a.collect { |set| [set.second] }.to_json
  end 

end

class AnalyticsBase
  attr_accessor :longtail_graphs

  def initialize
    @longtail_graphs = []
  end 

  def register_longtail_graph(options)
    @longtail_graphs << Longtail.new(options)
  end 

end

class Analytics < AnalyticsBase
  register_longtail_graph :model => Design, :field => 'label_id'
  register_longtail_graph :model => HeartVote, :field => 'user_id'

end