Rails - Nov 2007 - attachment_fu: setting the default image

Hey everyone, quick question ,

how can I set the default image using attachment_fu? (this is not a
quesiton on how to use it, cause I got it working and the first image
is being set as default)

Thing is, I want the user to have the option to change the default
image to whichever he likes, currently I have this in the user_image
controller:


    def default_image
      @image = UserImage.find(params[:id])
      @userimg = UserImage.find(:all, :conditions => [''parent_id is
null AND user_id=?'',@image.user_id])
      @userimg.each do |daimg|
         daimg.update_attributes(:default => false)
      end
      @image.set_as_default
      redirect_to user_url(current_user)
    end


in the model:

  def set_as_default
      self.default = true
      self.save
  end

BUT this takes way too long because it re-creates every single image
and thumbnail again...

what other way can I do this ? (where the already uploaded image dont
get re-created again)


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anyone ?
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*Bump*

I have same scenario...want to let the user change an image associated
with a product as being the default.
Using a radio button.

http://pastie.org/138562 -- currently, it always sets the first image
as the default.

They should be able to pick one, or change the existing default with
radio button selection.

On Nov 16 2007, 6:50 am,
"andres...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org"
<andres...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> anyone ?
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