def show
      if params[:set_session]
        session[:current_provider] = params[:id]
        redirect_to :back, provider: params[:id]
      elsif params[:clear_session]
        session.delete :current_provider
        redirect_to providers_path
      end
      @current_provider = Krikri::Provider.find(params[:id])
    end
def show
      if params[:set_session]
        session[:current_provider] = params[:id]
        redirect_to :back, provider: params[:id]
      elsif params[:clear_session]
        session.delete :current_provider
        redirect_to providers_path
      end
      @current_provider = Krikri::Provider.find(params[:id])
    end
Renders the show view for the provider given by `id`.