Module: Paperclip::Helpers

Defined in:
lib/mongoid-paperclip.rb

Instance Method Summary collapse

Instance Method Details

#each_instance_with_attachment(klass, name) ⇒ Object

Find all instances of the given Active Record model klass with attachment name. This method is used by the refresh rake tasks.



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# File 'lib/mongoid-paperclip.rb', line 29

def each_instance_with_attachment(klass, name)
  if defined?(Mongoid::Document) && class_for(klass) < Mongoid::Document
    class_for(klass).unscoped.where("#{name}_file_name" => {:$exists => true}).to_a.map do |instance|
      yield(instance)
    end
  else
    class_for(klass).unscoped.where("#{name}_file_name IS NOT NULL").find_each do |instance|
      yield(instance)
    end
  end
end