mixing in some sorcery auth

app/models/authentication.rb

@@ -0,0 +1,3 @@
+class Authentication < ActiveRecord::Base
+  belongs_to :user
+end

app/models/person.rb

@@ -1,6 +1,9 @@
 class Person < ActiveRecord::Base
+  authenticates_with_sorcery!
   has_many :parenthoods
   has_many :children, through: :parenthoods
+  has_many :authentications, dependent: :destroy
+  accepts_nested_attributes_for :authentications
   accepts_nested_attributes_for :children, reject_if: :all_blank
 
   validates :first_name, presence: true
@@ -30,4 +33,10 @@ class Person < ActiveRecord::Base
   def to_i
     id
   end
+
+  private
+
+    ## SorceryCore expects the model to hold a crypted_password field
+    ## Since we are only using external oAuth providers, faking this one out.
+    def crypted_password; end
 end