Rails - Oct 2009 - Variable sizes with paperclip

How can i create variable sizes with paperclip.

That the user can set the size he want and paperclip makes the picture.
I only can create fixed sizes.
-- 
Posted via http://www.ruby-forum.com/.

On 08 Oct 2009, at 17:39, GG9 Rails wrote:
> How can i create variable sizes with paperclip.
>
> That the user can set the size he want and paperclip makes the  
> picture.
> I only can create fixed sizes.
Probably adding the following to your model will work:

    before_post_process :get_thumbnail_sizes

    def get_thumbnail_sizes
       User.stamper.thumbnail_sizes.each do |target_size|
          asset.styles[target_size.name] = { :geometry =>  
target_size.geometry,   :format => "png", :processors =>
"thumbnail" }
       end
    end

User.stamper is something you can get by adding the Userstamp plugin
(http://github.com/delynn/userstamp
) to your project (to make it easy on yourself). There''s still a  
couple of things you''ll need to figure out yourself, but this should  
at least get you started.


Best regards

Peter De Berdt


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I found a more simple solotion now

  def self.last_avatar
      Avatar.find(:last)
  end

  def self.new_avatar_size
     last_avatar.avatar_size
     rescue
     "48x48"
  end


  has_attached_file :avatar, :styles => { :small => new_avatar_size, 
:large => "500x500>" },


The only problem left now is

When two users doo create an avatar on same time the and one of them is 
faster he got''s the size of last user

I can''t use conditions into the model


request.remote_ip doesn''t work in model, also cookies is not usable for
find the richt id
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Posted via http://www.ruby-forum.com/.