Module: EchoUploads::TempFileSaving::ClassMethods

Defined in:
lib/echo_uploads/temp_file_saving.rb

Instance Method Summary collapse

Instance Method Details

#configure_temp_file_saving(attr, options) ⇒ Object

Wraps ActiveRecord’s persistence methods. We can’t use a callback for this. See the comment above for an explanation of why.



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# File 'lib/echo_uploads/temp_file_saving.rb', line 66

def configure_temp_file_saving(attr, options)
  # Wrap the #save method. This also suffices for #create.
  define_method("save_with_#{attr}_temp_file") do |*args|
    @echo_uploads_saving ||= {}
    @echo_uploads_saving[attr] = true
    begin
      success = maybe_save_temp_file(attr, options) do
        send "save_without_#{attr}_temp_file", *args
      end
      success
    ensure
      @echo_uploads_saving.delete attr
    end
  end
  alias_method_chain :save, "#{attr}_temp_file".to_sym
  
  # Wrap the #update and #update_attributes methods.
  define_method("update_with_#{attr}_temp_file") do |*args|
    @echo_uploads_updating ||= {}
    @echo_uploads_updating[attr] = true
    begin
      success = maybe_save_temp_file(attr, options) do
        send "update_without_#{attr}_temp_file", *args
      end
      success
    ensure
      @echo_uploads_updating.delete attr
    end
  end
  alias_method_chain :update, "#{attr}_temp_file".to_sym
  alias_method :update_attributes, "update_with_#{attr}_temp_file".to_sym
end