Has anyone successfully used attachment_fu with rails 2.3 nested model
forms?
I've never used attachment_fu before so I may be doing something wrong
there not sure. Here's what I've got:
class Product < ActiveRecord::Base
has_one :cover_image
accepts_nested_attributes_for :cover_image, :allow_destroy => true
end
class CoverImage < ActiveRecord::Base
has_attachment :content_type => :image,
:storage => :file_system,
:path_prefix => 'public/images/covers
end
standard rest controller action:
def create
@product = Product.new(params[:product])
respond_to do |format|
if @product.save
flash[:notice] = 'Product was successfully created.'
format.html { redirect_to(@product) }
format.xml { render :xml => @product, :status
=> :created, :location => @product }
else
format.html { render :action => "new" }
format.xml { render :xml => @product.errors, :status
=> :unprocessable_entity }
end
end
end
and the new form:
<% form_for(:product, :url => products_path, :html => { :multipart =>
true }) do |f| %>
...
...
<% f.fields_for(:cover_image) do |c| %>
<%= c.file_field :uploaded_data %>
<% end %>
...
...
<% end %>
On submitting the form I get this error:
ActiveRecord::AssociationTypeMismatch (CoverImage(#70223327600060)
expected, got HashWithIndifferentAccess(#70223341431440)):
Any thoughts greatly appreciated!
Tim
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