Possible repeats-finding method

repeats.rb

  def repeats
    if @repeats
      @repeats
    elsif practitioner.present?
      practitioner.practitioner_activities.where(
        survey_id: survey_id,
        start_hour: start_hour,
        start_minute: start_minute,
        end_hour: end_hour,
        end_minute: end_minute,
        school_id: school_id,
        setting_id: setting_id,
        role_activity_id: role_activity_id
        ).reject { |r| r.id  == self.id }
    else
      []
    end
  end