Module: Attach::Attachment::ClassMethods

Defined in:
lib/attach/attachment.rb

Overview

class << self

Instance Method Summary collapse

Instance Method Details

#attachment_properties ⇒ Object

Setup properties. Already added properties are not overriden.



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# File 'lib/attach/attachment.rb', line 13

def attachment_properties()
  klass = self
  [
    [:id, DataMapper::Property::Serial],
    [:filename, String],
    [:content_type, String],
    [:size, Integer],
    [:attachable_id, Integer],
    [:attachable_type, String],
    [:field_name, String],
    # Default position may be rather high, but I don't really care
    [:position, Integer, {:default => Proc.new { |photo, prop| (klass.max(:position) || -1) + 1 }}],
    [:created_at, DateTime],
    [:updated_at, DateTime]
  ].each do |args|
    unless self.properties.named?(args[0])
      self.property(*args)
    end
  end
end