discourse/app/services/user_password_expirer.rb

# frozen_string_literal: true

class UserPasswordExpirer
  def self.expire_user_password(user)
    UserPassword
      .where(
        user:,
        password_hash: user.password_hash,
        password_salt: user.salt,
        password_algorithm: user.password_algorithm,
      )
      .first_or_initialize
      .update!(password_expired_at: Time.zone.now)
  end
end