module ActiveadminSelleoCms
  class HeaderImage < ActiveadminSelleoCms::Asset
    has_attached_file :data,
                      :url  => "/system/cms/header_images/:id/:style_:basename.:extension",
                      :path => ":rails_root/public/system/cms/header_images/:id/:style_:basename.:extension",
                      :styles => { :normal => "770x385#" },
                      :default_style => :normal

    validates_attachment_size :data, :less_than => 1.megabytes
    validates_attachment_presence :data
  end
end