Homes model, featured charts

gistfile1.rb

class HomesController < ApplicationController
  #load_and_authorize_resource
  
  def index
    
    @featured_charts = Chart.featured
    #I want to have one object, and run through and run the below methods on each Chart.featured instead of seperate lines below
    #If i try and run Chart.featured.items.each_car_fastest.ordered_by_et.topten i get error
    
    @list1 = Chart.find(1).items.each_car_fastest.ordered_by_et.topten#dynamic_query("car_model","name","Supra (MKIV)").dynamic_query("transmission","name","Getrag 6-Speed (V160)").each_car_fastest.topten
    @list2 = Chart.find(2).items.each_car_fastest.ordered_by_et.topten#dynamic_query("car_model","name","Supra (MKIV)").dynamic_query("transmission","name","Getrag 6-Speed (V160)").each_car_fastest.topten
    @list3 = Chart.find(3).items.each_car_fastest.ordered_by_et.topten#dynamic_query("car_model","name","Supra (MKIV)").dynamic_query("transmission","name","Getrag 6-Speed (V160)").each_car_fastest.topten

    
    @recent_timeslips = Timeslip.recents
    @recent_dynos = Dyno.recents
  end
end


#CHART MODEL
class Chart < ActiveRecord::Base
  has_many :chart_conditions, :dependent => :destroy
  accepts_nested_attributes_for :chart_conditions, allow_destroy: true
  
  validates :name, :category, presence: true
  
  def items
    mymodel = category.capitalize.constantize
    #CHART CONDITIONS
    mymodel.dynamic_query(chart_conditions).each_car_fastest.ordered_by_et#.to_a
    #mymodel.dynamic_query(cc.assoc_name,cc.name,cc.value)#.all#includes(:car).where(:car => {:car_model_id => CarModel.find_by_name("Supra (MKIV)").id})
  end
  
  def self.featured
    where(:featured => true)
  end
end