Remove Association Programmatically in Rails

Question

I am writing an extension for Spree and I want to delete an existing association.

Given the following code:

class Project < ActiveRecord::Base
  has_one :status
  ...
end

How to delete a call has_one :statusat runtime? I want to remove the association and its associated methods.

Answer 1

Unfortunately, a rather complicated DSL call that adds a lot of methods to the class, you have to remove all of them, and probably it would not be worth it.

It might be easier to create a new CleanProject class, add a Project object to it using composition or inheritance, and then just go through the calls for those parts of the project that you want.

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status.project_id = nil
status.save

Answer 2

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def need_assoc
  eval <<-EOC
    class Project < ActiveRecord::Base
    has_one :status
    ...
    end
  EOC
end

eval .