一种形式生成两个模型

Question

I'm new to rails and I'm facing a problem that I couldn't find a solution yet.

I want to have a single page form that will generate two different models. Is that possible? For example, when the user presses the submit button, some of the input will be used to generate the User model and other inputs will be used to generate a Pharmacy model.

Thanks in advance

Answer 1

You will use a form_for and pass in the parent object. Then, when you get to the fields for the other object, you can use the fields_for method and pass in the other object. Then in the model you can do something like:

def pharmacy_attributes=(attributes)
  @pharmacy = Pharmacy.create(attributes)
  self.pharmacy = @pharmacy
  save
end

If you are using rails 4 you will have to allow the nested attributes in the controller and add accepts_nested_attributes_for :pharmacy to the user model if that is the way your relationships are set up.

Answer 2

Take a look at the following code climate blog post:

http://blog.codeclimate.com/blog/2012/10/17/7-ways-to-decompose-fat-activerecord-models/

Of particular interest will be section: "3. Extract Form Objects"