def self.find_or_new(params = {}, opts = {})
  opts[:id] ||= params[:id]
  begin
    find(opts[:id])
  rescue ActiveRecord::RecordNotFound
    Address.new(params)
  end
end

def self.messy_way(id = nil)
  if id
    begin
      find(id)
    rescue ActiveRecord::RecordNotFound
      Address.new
    end
  else
    Address.new
  end
end

def self.messy_way_refactor(id = nil)
  if id
    find_or_rescue(id)
  else
    Address.new
  end
end

def find_or_rescue(id)
  begin
    find(id)
  rescue ActiveRecord::RecordNotFound
    Address.new(params)
  end
end