app/models/topic.rb
class Topic < ActiveRecord::Base
belongs_to :creator, class_name: 'User'
#TODO запилить ограничение в 3 хаба
has_many :hubs
#TODO добавить условный cache_counter
has_many :comments
#NOTE валидируем объект, а не id
validates :creator, presence: true
validates :name, presence: true
validates :body, presence: true
state_machine initial: :draft do
state :draft
state :published
event :published do
transition draft: :published
end
end
#NOTE включаем после state_machine для автогенерации скоупов
include TopicRepository
end