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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