class Blueprinter::AssociationExtractor

@api private

Public Class Methods

new() click to toggle source
# File lib/blueprinter/extractors/association_extractor.rb, line 6
def initialize
  @extractor = Blueprinter.configuration.extractor_default.new
end

Public Instance Methods

extract(association_name, object, local_options, options={}) click to toggle source
# File lib/blueprinter/extractors/association_extractor.rb, line 10
def extract(association_name, object, local_options, options={})
  options_without_default = options.reject { |k,_| k == :default || k == :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

Private Instance Methods

association_blueprint(blueprint, value) click to toggle source
# File lib/blueprinter/extractors/association_extractor.rb, line 27
def association_blueprint(blueprint, value)
  blueprint.is_a?(Proc) ? blueprint.call(value) : blueprint
end
default_value(association_options) click to toggle source
# File lib/blueprinter/extractors/association_extractor.rb, line 23
def default_value(association_options)
  association_options.key?(:default) ? association_options.fetch(:default) : Blueprinter.configuration.association_default
end