#131 Going Back

Oct 12, 2008 | 4 minutes | Controllers

This episode demonstrates a couple ways to redirect the user back to a previous page. Applying this to your site can help minimize the user's need to press the back button.

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          cart_items_controller.rb
        
def create
  current_cart.cart_items.create!(params[:cart_item])
  flash[:notice] = "Product added to cart"
  redirect_to :back
end

# or

def create
  current_cart.cart_items.create!(params[:cart_item])
  flash[:notice] = "Product added to cart"
  session[:last_product_page] = request.env['HTTP_REFERER'] || products_url
  redirect_to current_cart_url
end

          carts/show.html.erb
        
<% if session[:last_product_page] %>
  <%= link_to "Continue Shopping", session[:last_product_page] %> |
<% end %>