module CanTango::Api
  module Scope
    module Account
      def account_scope scope, options = {}, &block
        account = scoped_account(scope)
        ab_scope = account_ability_scope(account, options)
        yield ab_scope if block
        ab_scope
      end

      def as_real_account scope, options = {}, &block
        scope_account scope, options.merge(:masquerade => false), &block
      end

      protected

      def account_ability_scope account, options = {}
        CanTango::Ability::Scope.new user_account_ability(account, options)
      end

      def scoped_acount scope
        send(:"current_#{scope}_account")
      end
    end
  end
end