Class: Blueprinter::AssociationExtractor Private

Inherits:
Extractor
  • Object
show all
Includes:
EmptyTypes
Defined in:
lib/blueprinter/extractors/association_extractor.rb

This class is part of a private API. You should avoid using this class if possible, as it may be removed or be changed in the future.

Instance Method Summary collapse

Methods inherited from Extractor

extract

Constructor Details

#initialize ⇒ AssociationExtractor

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Returns a new instance of AssociationExtractor.



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# File 'lib/blueprinter/extractors/association_extractor.rb', line 11

def initialize
  @extractor = Blueprinter.configuration.extractor_default.new
end

Instance Method Details

#extract(association_name, object, local_options, options = {}) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/blueprinter/extractors/association_extractor.rb', line 15

def extract(association_name, object, local_options, options = {})
  options_without_default = options.except(:default, :default_if)
  # Merge in assocation options hash
  local_options = local_options.merge(options[:options]) if options[:options].is_a?(Hash)
  value = @extractor.extract(association_name, object, local_options, options_without_default)
  return default_value(options) if use_default_value?(value, options[:default_if])

  view = options[:view] || :default
  blueprint = association_blueprint(options[:blueprint], value)
  blueprint.prepare(value, view_name: view, local_options: local_options)
end