get "#{APIPREFIX}/comments/:comment_id" do |comment_id|
  comment.to_hash(recursive: bool_recursive).to_json
end

put "#{APIPREFIX}/comments/:comment_id" do |comment_id|
  comment.update_attributes(params.slice(*%w[body endorsed]))
  if comment.errors.any?
    error 400, comment.errors.full_messages.to_json
  else
    comment.to_hash.to_json
  end
end

post "#{APIPREFIX}/comments/:comment_id" do |comment_id|
  sub_comment = comment.children.new(params.slice(*%w[body course_id]))
  sub_comment.anonymous = bool_anonymous || false
  sub_comment.author = user
  sub_comment.comment_thread = comment.comment_thread
  sub_comment.save
  if sub_comment.errors.any?
    error 400, sub_comment.errors.full_messages.to_json
  else
    user.subscribe(comment.comment_thread) if bool_auto_subscribe
    sub_comment.to_hash.to_json
  end
end

delete "#{APIPREFIX}/comments/:comment_id" do |comment_id|
  comment.destroy
  comment.to_hash.to_json
end