discourse-custom-wizard/app/controllers/custom_wizard/admin/logs.rb

# frozen_string_literal: true
class CustomWizard::AdminLogsController < CustomWizard::AdminController
  before_action :find_wizard, except: [:index]

  def index
    render json:
             ActiveModel::ArraySerializer.new(
               CustomWizard::Wizard.list(current_user),
               each_serializer: CustomWizard::BasicWizardSerializer,
             )
  end

  def show
    render_json_dump(
      wizard: CustomWizard::BasicWizardSerializer.new(@wizard, root: false),
      logs:
        ActiveModel::ArraySerializer.new(
          log_list.logs,
          each_serializer: CustomWizard::LogSerializer,
        ),
      total: log_list.total,
    )
  end

  protected

  def log_list
    @log_list ||=
      begin
        list = CustomWizard::Log.list(params[:page].to_i, params[:limit].to_i, params[:wizard_id])

        if list.logs.any? && (usernames = list.logs.map(&:username)).present?
          user_map =
            User
              .where(username: usernames)
              .reduce({}) do |result, user|
                result[user.username] = user
                result
              end

          list.logs.each { |log_item| log_item.user = user_map[log_item.username] }
        end

        list
      end
  end
end