##index.rhtml

<% if @loggedIn and @login.id == collection.favorites.user_id and collection.id == collection.favorites.post_id %>

   link to delete favorite because it exists

<% end %>

##debug(collection)
--- !ruby/object:Post
attributes:
  visibility: "3"
  updated_at: 2007-02-08 12:07:29
  text: am i sanitized?
  title: searching works
  id: "68"
  idx: searching works sanitized
  user_id: "1"
  created_at: 2007-02-08 12:07:29
favorites:
- !ruby/object:Favorite
  attributes:
    post_id: "68"
    id: "1"
    user_id: "3"
    created_at: 2007-02-20 17:30:09
user: !ruby/object:User
  attributes:
    salt:
    city:
    name:
    updated_at: 2007-01-29 16:32:49
    zip:
    crypted_password:
    remember_token_expires_at:
    country:
    id: "1"
    remember_token:
    login: anonymous
    created_at: 2007-01-29 16:32:49
    state:
    email:

## error

undefined method `user_id' for Favorite:Class