def outlet_coverages
    d = []
    Store.by_customer_and_city(params[:customer_id],params[:city_id],params[:data_date])
         .each do |x|
                 percent_num = (x.average_score.floor.to_s.size>1) ? x.average_score.floor.to_s[0]+'0'  : "10"
                 d << {
                       latLng: [x.latitude.to_f, x.longitude.to_f],
                       data: "<b>#{x.name_store}</b><br>#{x.address}<br>percentage: #{x.average_score}%",
                       city_id: x.city_id,
                       tag: ['marker',
                             x.city.code,
                             Customer.by_store(x.id).code,
                             Area.by_store(x.id).code],
                             options:{icon: request.base_url + "/assets/percentages/21px-#{percent_num}p.png" }
                      }
               end
    render json: d
  end