unfriend still not removing association from bad_friend

app/models/person.rb

@@ -33,8 +33,7 @@ class Person
 
   after_destroy :remove_all_traces, :remove_key
 
-  scope :friends,  where(:_type => "Person", :active => true)
-
+  scope :friends, where(:_type => "Person", :active => true)
 
  
   def real_name

app/models/user.rb

@@ -73,18 +73,22 @@ class User
   end
 
   def unfriend(friend_id)
-    bad_friend  = self.friends.first(:id => friend_id)
-    self.friends.detect{|x| x.id == friend_id}.delete
+    bad_friend = Person.first(:id => friend_id)
+
+
+    puts bad_friend.users.count
+
+    self.friend_ids.delete( friend_id )
+    self.save
+
+
+
+    puts bad_friend.users.count
+    
     if bad_friend 
-
-
-      bad
-
-
       Retraction.for(self).push_to_url(bad_friend.url) 
       bad_friend.destroy if bad_friend.users.count == 0
     end
-    self.save
   end
 
   def send_request(rel_hash)

spec/factories.rb

@@ -22,7 +22,7 @@ Factory.define :user do |u|
   u.password "bluepin7"
   u.password_confirmation "bluepin7"
 
-  u.person  Factory.create(:person)
+  u.sequence(:person) {|p| Factory.create(:person, :email => "robert-#{p}@grimm.org")}
 end
 
 Factory.define :status_message do |m|

spec/models/person_spec.rb

@@ -42,16 +42,49 @@ describe Person do
     s.comments.count.should == 4
   end
 
-  it 'should let a user unfriend a person' do
-    user = Factory.create(:user)
-    person = Factory.create(:person)
+  describe "unfriending" do
+    it 'should delete an orphaned friend' do
+      user = Factory.create(:user)
+      user.save
+      
+      person = Factory.create(:person)
 
-    user.friends << person
+      person.users << user
+      user.friend_ids << person.id
 
-    user.friends.count.should == 1
-    user.unfriend(person.id)
-    user.friends.count.should == 0
-    Person.all.count.should == 1
+      Person.all.count.should == 2
+      user.friends.count.should == 1
+      user.unfriend(person.id)
+      user.friends.count.should == 0
+      Person.all.count.should == 1
+    end
+
+    it 'should not delete an un-orphaned friend' do
+      user_one = Factory.create(:user)
+      user_two = Factory.create(:user)
+
+      user_one.save
+      user_two.save
+
+      person = Factory.create(:person)
+
+      person.users << user_one
+      person.users << user_two
+
+      user_one.friend_ids << person.id
+      user_two.friend_ids << person.id
+
+      Person.all.count.should == 3
+      user_one.friends.count.should == 1
+      user_two.friends.count.should == 1
+
+      user_one.unfriend(person.id)
+
+      user_one.friends.count.should == 0
+      user_two.friends.count.should == 1
+
+      Person.all.count.should == 2
+    end
   end
 
 end