#140 Rails 2.2 Extras

Dec 15, 2008 | 4 minutes | Active Record, Views, Rails 2.2

This episode finishes up the Rails 2.2 series by showing a few miscellaneous additions that I find useful.

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Resources

          script/console
        
Product.find_by_price(3) # => nil
Product.find_by_price!(3) # => RecordNotFound Exception
Product.find_last_by_price(4.99)
Product.all(:joins => :category, :conditions => { :categories => { :name => 'Clothing' } })

          application_helper.rb
        
def admin_area(&block)
  if admin?
    concat content_tag(:div, capture(&block), :class => 'admin')
  end
end

          rhtml
        
<% admin_area do %>
  <%= link_to "Edit", edit_product_path(@product) %> |
  <%= link_to "Destroy", @product, :confirm => 'Are you sure?', :method => :delete %>
<% end %>