discourse/plugins/chat/lib/chat_seeder.rb

# frozen_string_literal: true

class ChatSeeder
  def execute(args = {})
    return if !SiteSetting.needs_chat_seeded

    begin
      create_category_channel_from(SiteSetting.staff_category_id)
      create_category_channel_from(SiteSetting.general_category_id)
    rescue => error
      Rails.logger.warn("Error seeding chat category - #{error.inspect}")
    ensure
      SiteSetting.needs_chat_seeded = false
    end
  end

  def create_category_channel_from(category_id)
    category = Category.find_by(id: category_id)
    return if category.nil?

    chat_channel = category.create_chat_channel!(auto_join_users: true, name: category.name)
    category.custom_fields[Chat::HAS_CHAT_ENABLED] = true
    category.save!

    Chat::ChatChannelMembershipManager.new(chat_channel).enforce_automatic_channel_memberships
    chat_channel
  end
end