archived-hc-harbor/app/services/anonymize_user_service.rb

class AnonymizeUserService
  def self.call(user)
    new(user).call
  end

  def initialize(user)
    @user = user
  end

  def call
    ActiveRecord::Base.transaction do
      preserve_emails_for_ban_tracking
      anonymize_user_data
      destroy_associated_records
      invalidate_sessions
    end
  end

  private

  attr_reader :user

  def preserve_emails_for_ban_tracking
    user.email_addresses.update_all(
      user_id: user.id,
      source: EmailAddress.sources[:preserved_for_deletion]
    )
  end

  def anonymize_user_data
    user.update!(
      slack_uid: nil,
      slack_username: nil,
      slack_avatar_url: nil,
      slack_access_token: nil,
      slack_scopes: [],
      slack_neighborhood_channel: nil,
      github_uid: nil,
      github_username: nil,
      github_avatar_url: nil,
      github_access_token: nil,
      hca_id: nil,
      hca_access_token: nil,
      hca_scopes: [],
      username: "deleted_user_#{user.id}",
      uses_slack_status: false,
      country_code: nil,
      mailing_address_otc: nil,
      deprecated_name: nil
    )
  end

  def destroy_associated_records
    user.api_keys.destroy_all
    user.admin_api_keys.destroy_all
    user.sign_in_tokens.destroy_all
    user.email_verification_requests.destroy_all
    user.wakatime_mirrors.destroy_all
    user.project_repo_mappings.destroy_all
    user.mailing_address&.destroy
    user.heartbeats.destroy_all

    user.access_grants.destroy_all
    user.access_tokens.destroy_all
  end

  def invalidate_sessions
    user.sign_in_tokens.destroy_all
  end
end