class TopicConverter attr_reader :topic def initialize(topic, user) @topic = topic @user = user end def convert_to_public_topic(category_id = nil) Topic.transaction do @topic.category_id = if category_id category_id elsif SiteSetting.allow_uncategorized_topics SiteSetting.uncategorized_category_id else Category.where(read_restricted: false) .where.not(id: SiteSetting.uncategorized_category_id) .first.id end @topic.archetype = Archetype.default @topic.save update_user_stats watch_topic(topic) end @topic end def convert_to_private_message Topic.transaction do @topic.category_id = nil @topic.archetype = Archetype.private_message add_allowed_users @topic.save watch_topic(topic) end @topic end private def update_user_stats @topic.posts.where(deleted_at: nil).each do |p| user = User.find(p.user_id) # update posts count user.user_stat.post_count += 1 user.user_stat.save! end # update topics count @topic.user.user_stat.topic_count += 1 @topic.user.user_stat.save! end def add_allowed_users @topic.posts.where(deleted_at: nil).each do |p| user = User.find(p.user_id) @topic.topic_allowed_users.build(user_id: user.id) unless @topic.topic_allowed_users.where(user_id: user.id).exists? # update posts count user.user_stat.post_count -= 1 user.user_stat.save! end @topic.topic_allowed_users.build(user_id: @user.id) # update topics count @topic.user.user_stat.topic_count -= 1 @topic.user.user_stat.save! end def watch_topic(topic) @topic.notifier.watch_topic!(topic.user_id) @topic.topic_allowed_users(true).each do |tau| next if tau.user_id < 0 || tau.user_id == topic.user_id topic.notifier.watch!(tau.user_id) end end end