Redmine

    if @user == User.current && !@user.own_account_deletable?

      error_messages = @user.own_account_deletion_errors.full_messsages

      respond_to do |format|

        format.html { return render_error message: error_messages.join(', '), status: 422 }

        format.api  { return render_api_errors(error_messages) }

      end

    end

    own_account_deletion_errors.present?

  end

  def own_account_deletion_errors

    errors = ActiveModel::Errors.new(self)

    unless Setting.unsubscribe?

      errors.add(:base, :error_unable_delete_own_account)

      return errors

    end

    if admin? && !User.active.admin.where("id <> ?", id).exists?

      errors.add(:base, :error_unable_delete_last_active_admin)

    end

    errors