N + 1

.rb

 def list
    ## FILTER
    @dealweekdays = DealWeekday.active
    if params[:search_term]
      search_name = @dealweekdays.like_name(params[:search_term])
      search_district = @dealweekdays.district_by_name(params[:search_term])
      joined = search_name + search_district
      joined_ids = joined.uniq.map{|bar| bar.id}
      @dealweekdays = DealWeekday.where(id:joined_ids)
    end
    @dealweekdays = @dealweekdays.by_city(params[:city_id]) if params[:city_id].present?
    @dealweekdays = @dealweekdays.by_district(params[:bairro]) if params[:bairro].present?
    if params[:beers].present?
      beer_array = params[:beers].split(',')
      @dealweekdays = @dealweekdays.by_beer(beer_array)
    end

    ## ORDER
    me = [params[:lat],params[:lng]]
    me = [params[:centerlatitude],params[:centerlongitude]] if me.include?(nil)
    if !me.include?(nil)
      #@bars = @bars.by_distance(origin: me)
    end
    resp_json = []
    response = @dealweekdays.group_by{|e| e.deal}
    response.each do |deal_group|
      internal = deal_group[1].group_by{|e| e.bar}
      internal.each do |bar_group|
        begin
          array = bar_group[1]
          deal = array[0].deal
          today = Weekday.today(deal.city)
          dealweekday_ids = array.map{|bar| bar.id}
          deal_weekdays = DealWeekday.where(id:dealweekday_ids)
          deal_today = deal_weekdays.where(weekday:today).first
          bar = array[0].bar
          bar_hash = Hash.new
          bar_hash = {
            id: bar.id,
            name: bar.name,
            bairro: bar.district.name,
            telefone: bar.phone,
            address: bar.address,
            latitude: bar.latitude,
            longitude: bar.longitude
          }
          hash = Hash.new
          hash = {
            id: deal.id,
            title: deal.title,
            image: deal.image.home.url,
            discount: deal.discount,
            available: deal_today.nil? ? false : true,
            consumption_time: deal_today.mobile_formatted_consumption_time,
            bar: bar_hash
          }

        rescue
          puts "ERROR BUILDING HASH"
        end
        resp_json << hash
      end
    end
    respond_to do |format|
      format.json  { render :json => resp_json}
    end
  end