kmayer/gist:f9e808488229e0576333

## gistfile1.txt
class BankAccount < ActiveRecord::Base
  # :identifier is a column in "bank_accounts"

  delegate :name, to: :balanced_api

  private

  def balanced_api
    @balanced_api ||= begin
      Balanced::BankAccount.fetch(identifier)
    rescue Balanced::NotFound, Faraday::ConnectionFailed
      NullObject.new([:name, :bank_name, :account_number, :bank_account_verification])
    end
  end
end

ba = BankAccount.new("/bank_accounts/BA4SxkOT8OEF6w9cqNQseadF")
ba.name # => "boom"

## gistfile2.txt
class V1::BankAccountsController < V1::BaseController
  def create
    bank_account = current_user.build_bank_account(bank_account_params)

    if bank_account.save
      render json: { bank_account: V1::BankAccountPresenter.new(bank_account) }, status: :created
    else
      render json: bank_account.errors, status: :bad_request
    end
  end

  private

  def bank_account_params
    params.require(:bank_account).permit(:identifier)
  end
end
	class BankAccount < ActiveRecord::Base
	# :identifier is a column in "bank_accounts"

	delegate :name, to: :balanced_api

	private

	def balanced_api
	@balanced_api \|\|= begin
	Balanced::BankAccount.fetch(identifier)
	rescue Balanced::NotFound, Faraday::ConnectionFailed
	NullObject.new([:name, :bank_name, :account_number, :bank_account_verification])
	end
	end
	end

	ba = BankAccount.new("/bank_accounts/BA4SxkOT8OEF6w9cqNQseadF")
	ba.name # => "boom"
	class V1::BankAccountsController < V1::BaseController
	def create
	bank_account = current_user.build_bank_account(bank_account_params)

	if bank_account.save
	render json: { bank_account: V1::BankAccountPresenter.new(bank_account) }, status: :created
	else
	render json: bank_account.errors, status: :bad_request
	end
	end

	private

	def bank_account_params
	params.require(:bank_account).permit(:identifier)
	end
	end