带有新项目的 ActiveAdmin 嵌套表单

Question

我在使用 ActiveAdmin 和嵌套表单时遇到问题：当我创建一个带有一些回复的新问题时，我收到一个错误（问题不能为空白）。但是，如果我创建一个问题，然后在更新时添加一些回复，一切都会顺利。

谁能帮帮我？

这是我的代码

# models/question.rb
class Question < ActiveRecord::Base
  attr_accessible :points, :text, :replies_attributes
# RELATIONS
  has_many :replies

  accepts_nested_attributes_for :replies
end

# models/reply.rb
class Reply < ActiveRecord::Base
  attr_accessible :correct, :question_id, :text, :question
# VALIDATIONS
  validates_presence_of :text, :question_id
# RELATIONS
  belongs_to :question
end

# admin/question.rb
ActiveAdmin.register Question do
  form do |f|
    f.inputs "Details" do
      f.input :text
      f.input :points
    end
    f.inputs do
      f.has_many :replies do |rp|
        rp.input :text
        rp.input :correct
      end
    end
    f.actions
  end
end

Answer 1

...也许 :inverse_of 可以帮助你。

What does inverse_of do? What SQL does it generate?