DG MS; upon friend deletion, all connected posts and comments are purged

app/models/person.rb

@@ -17,32 +17,29 @@ class Person
 
   timestamps!
 
-  validates_presence_of :url
+  before_validation :clean_url
+  validates_presence_of :email, :url
   validates_format_of :url, :with =>
      /^(https?):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*(\.[a-z]{2,5})?(:[0-9]{1,5})?(\/.*)?$/ix
   
-  #validates_uniqueness_of :url
   validates_true_for :url, :logic => lambda { self.url_unique?}
 
-  scope :friends,  where(:_type => "Person", :active => true)
-  validates_presence_of :email
-  
-  before_validation :clean_url
- 
+  after_destroy :remove_all_traces
 
+  scope :friends,  where(:_type => "Person", :active => true)
+
+ 
   def real_name
     "#{profile.first_name.to_s} #{profile.last_name.to_s}"
   end
 
-  
-
   def key
     GPGME::Ctx.new.get_key key_fingerprint
   end
+
+
   protected
   
-
-
   def url_unique?
     same_url = Person.first(:url => self.url)
     return same_url.nil? || same_url.id == self.id
@@ -55,4 +52,14 @@ class Person
       self.url = self.url + '/' if self.url[-1,1] != '/'
     end
   end
+
+  private
+
+  def remove_all_traces
+    self.posts.delete_all
+    Comment.delete_all(:person_id => self.id)
+  end
+
+
+
  end

app/models/user.rb

@@ -36,11 +36,6 @@ class User < Person
     end
   end 
 
-  
-  def do_bad_things
-    self.password_confirmation = self.password
-  end
-
   def accept_friend_request(friend_request_id)
     request = Request.where(:id => friend_request_id).first
     request.activate_friend
@@ -53,7 +48,6 @@ class User < Person
   def ignore_friend_request(friend_request_id)
     request = Request.where(:id => friend_request_id).first
     person = request.person
-
     person.destroy unless person.active
     request.destroy
   end
@@ -67,10 +61,17 @@ class User < Person
     end
   end
 
+  
+  ###Helpers############
   def mine?(post)
     self == post.person
   end
-
+ 
+  def do_bad_things
+    self.password_confirmation = self.password
+  end
+  
+  
   protected
   
   def assign_key

spec/models/person_spec.rb

@@ -34,4 +34,28 @@ describe Person do
   end
 
 
+  it 'should delete all of user upon user deletion' do
+    Factory.create(:user)
+
+    f = Factory.create(:person)
+    p = Factory.create(:person)
+    Factory.create(:status_message, :person => f)
+    Factory.create(:blog, :person => f)
+    Factory.create(:bookmark, :person => f)
+    Factory.create(:status_message, :person => f)
+    s = Factory.create(:status_message, :person => p)
+   
+    Factory.create(:comment, :person_id => f.id, :text => "yes i do", :post => s)
+    Factory.create(:comment, :person_id => f.id, :text => "i love you", :post => s)
+    Factory.create(:comment, :person_id => f.id, :text => "hello", :post => s)
+    Factory.create(:comment, :person_id => p.id, :text => "you are creepy", :post => s)
+
+    f.destroy
+
+    Post.count.should == 1
+    Comment.all.count.should == 1
+    s.comments.count.should == 1
+  end
+
+
 end