team_factory.rb

class TeamFactory
  class PageValue < OpenStruct.new(:page, :name)
  end

  def self.build_from_individual_page page, name = nil, builder = self
    value     = PageValue.new page, name
    team      = builder.build_team value
    team_page = builder.build_team_page value
    builder.persist! team, team_page
    team
  end

  def self.build_team value
    Team.new name: value.name || "Team #{page.name}"
  end

  def self.build_team_page value
    # ...
  end

  def self.persist! *args
    ActiveRecord::Base.transaction do
      args.all &:save!
    end
  end
end