discourse/app/services/post_owner_changer.rb

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# frozen_string_literal: true
class PostOwnerChanger
def initialize(params)
@post_ids = params[:post_ids]
@topic = Topic.with_deleted.find_by(id: params[:topic_id].to_i)
@new_owner = params[:new_owner]
@acting_user = params[:acting_user]
@skip_revision = params[:skip_revision] || false
%i[post_ids topic new_owner acting_user].each do |arg|
raise ArgumentError.new(arg) if self.instance_variable_get("@#{arg}").blank?
end
end
def change_owner!
@post_ids.each do |post_id|
next unless post = Post.with_deleted.find_by(id: post_id, topic_id: @topic.id)
if post.is_first_post?
@topic.user = @new_owner
@topic.recover! if post.user.nil?
end
post.topic = @topic
post.set_owner(@new_owner, @acting_user, @skip_revision)
PostActionDestroyer.destroy(@new_owner, post, :like, skip_delete_check: true)
level = post.is_first_post? ? :watching : :tracking
TopicUser.change(
@new_owner.id,
@topic.id,
notification_level: NotificationLevels.topic_levels[level],
posted: true,
)
if post ==
@topic
.posts
.order("post_number DESC")
.where("NOT hidden AND posts.deleted_at IS NULL")
.first
@topic.last_poster = @new_owner
end
@topic.update_statistics
@new_owner.user_stat.update(
first_post_created_at: @new_owner.reload.posts.order("created_at ASC").first&.created_at,
)
Post.where(topic_id: @topic.id, reply_to_post_number: post.post_number).update_all(
reply_to_user_id: @new_owner.id,
)
@topic.save!(validate: false)
end
end
end