Find a model by its referenced model (child?) in Ruby on Rails -

rails nooby here, looking tips. i've looked around on site , rails website , can't seem find i'm looking for.

i have account class

class account < activerecord::base   has_one :access_token, dependent: :destroy   has_secure_password

and of course

class accesstoken < activerecord::base

what want able in controllers account.find_by_access_token or that. there way in rails?

assuming column's name accesstoken named token, try:

class account < activerecord::base   def self.find_by_token(token)     account.joins(:access_token).where(access_tokens: { token: token } )   end end

and use this:

account.find_by_token('xxxxxxx')

Core code