It would be nice to add a method to the association proxy named the same
way as the inverse_of option which allows traversal back to the owner
object.
For example:
class Alphabet < ActiveRecord::Base
has_many :letters, inverse_of: :alphabet
end
class Letters < ActiveRecord::Base
end
letters = Alphabet.first.letters
letters.alphabet #Return the alphabet object
This can currently be done by doing the following:
```ruby
class Alphabet < ActiveRecord::Base
has_many :letters, inverse_of: :alphabet do
def alphabet
proxy_association.owner
end
end
```
I guess it's not so hard to define this manually every time, but it would
be a neat way to save some code, especially for occasions when you pass in
a association (say to a view or authorisation object) and you want to get
back the owner.
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