$("#ps_cart_items").html("<%= escape_javascript(render('/cart/partials/cart_products')) %>");
$('#ps_cart_size').html("(<%= @cart.blank? ? 0 : @cart.cart_products.size %>)");
$("#ps_cart_summary_items").html("<%= escape_javascript(render('/cart/partials/cart_summary_products')) %>");
$.notify("Koszyk został wyczyszczony", "warn");