Andrei Don wrote:
> I have the following models:
>
> class Order < ActiveRecord::Base
>
> belongs_to :billing_address
> belongs_to :shipping_address
>
> accepts_nested_attributes_for :billing_address
> accepts_nested_attributes_for :shipping_address, :reject_if => proc {
> |attributes| attributes['has_shipping_address'] != '1' }
>
> def after_initialize
> self.build_billing_address unless billing_address
> self.build_shipping_address unless shipping_address
> end
>
> end
>
> class ShippingAddress < OrderAddress
> attr_accessor :has_shipping_address
> end
>
> class OrderAddress < ActiveRecord::Base
> validates_presence_of :name
> #more validations here..
> end
>
> And the view:
>
> <% form_for @order do |f| %>
> #...
> <% f.fields_for :shipping_address do |addr_f| %>
> <%= addr_f.check_box :has_shipping_address %>
> <%= addr_f.text_field :name %>
> #more fields for the address..
> <% end %>
> <% end %>
>
> The problem is that :reject_if doesn't seem to do it's job. No matter
> what the value for has_shipping_address is, the save method is still
> called on the nested ShippingAddress, resulting in validation errors.
> Am I missing something here?
> Thanks.
Turns out the :reject_if didn't work because I was doing the building of
the nested shipping_address in the after_initialize callback of the
order. After moving that to view (or a helper method), it works as
expected.
def after_initialize
self.build_billing_address unless billing_address
end
#the view is now
<% form_for @order do |f| %>
#...
<% @order.build_shipping_address unless @order.shipping_address %>
<% f.fields_for :shipping_address do |addr_f| %>
<%= addr_f.check_box :has_shipping_address %>
<%= addr_f.text_field :name %>
#more fields for the address..
<% end %>
<% end %>
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