on photo delete, photo checks to see if it is set in user profile. if it is, profile is edited.

app/models/photo.rb

@@ -26,9 +26,13 @@ class Photo < Post
   after_save :log_save_inspection 
   validates_true_for :album_id, :logic => lambda {self.validate_album_person}
 
+  before_destroy :ensure_user_picture
+
+
   def validate_album_person
     album.person_id == person_id
   end
+
   def remote_photo
     @remote_photo ||= User.owner.url.chop + image.url(:scaled_full)
   end
@@ -40,4 +44,11 @@ class Photo < Post
     image.store!
     Rails.logger.info("Setting remote photo with id #{id}")
   end
+
+  def ensure_user_picture
+    user = User.owner
+    if user.profile.image_url == image.url(:thumb_medium)
+      user.profile.update_attributes!(:image_url => nil)
+    end
+  end
 end

spec/models/photo_spec.rb

@@ -26,7 +26,6 @@ describe Photo do
   end
 
   it 'must have an album' do
-
     photo = Photo.new(:person => @user)
     photo.image = File.open(@fixture_name)
     photo.save
@@ -36,6 +35,18 @@ describe Photo do
     Photo.first.album.name.should == 'foo'
   end
 
+  it 'should remove its reference in user profile if it is referred' do
+    @photo.image.store! File.open(@fixture_name)
+    @photo.save
+
+    @user.profile.image_url = @photo.image.url(:thumb_medium)
+    @user.save
+
+    User.first.profile.image_url.should == @photo.image.url(:thumb_medium)
+    @photo.destroy
+    User.first.profile.image_url.should be nil
+  end
+
   describe 'non-image files' do
     it 'should not store' do
       file = File.open(@fail_fixture_name)
@@ -52,9 +63,6 @@ describe Photo do
       @photo.image = file
       @photo.save.should == false
     end
-
-
-
   end
 
   describe 'with encryption' do
@@ -81,11 +89,11 @@ describe Photo do
       @photo.image.store!
       @photo.save
   
-  
       xml = @photo.to_xml.to_s
 
       xml.include?("bp.jpeg").should be true
     end
+
     it 'should have an album id on serialization' do
        @photo.image = File.open(@fixture_name)