class Coupdoeil::PopoversController

def set_popover_params
  @popover_params =
    if params[:params].blank?
      @popover_params = {}.freeze
    else
      raw_params = JSON.parse(params[:params])
      card_params = Coupdoeil::Params.deserialize(raw_params).sole
      card_params.with_indifferent_access
    end
end