Tag Archives: belongs to

Monkeypatching for cleaner code

Recently, after reading Object on Rails, I started thinking and experimenting with various ideas of making Rails applications code cleaner. Here’s one of these ideas.

Let’s imagine we have two model classes, connected with a has-many/belongs-to relation, e.g.:

# file user.rb
class User < ActiveRecord::Base
  has_many :posts, dependent: :destroy
  # ...
  # rest of the user stuff
  # ...
# file post.rb
class Post < ActiveRecord::Base
  belongs_to :author, class: "User"

The above code is probably how most of Rails programmers would go about implementing a “user has many posts/post belongs to its author” scenario. It’s the tutorials-approved way. But when you look at it from a architectonic point of view, you have just created a circular dependency.
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