```ruby
require 'her'

module Userbin
  class Model
    include Her::Model
  end

  class User < Model; end

  class Token < Model;
    has_one :identity
  end

  class Identity < Model;
    def activate!
      Identity.save_existing(id, pending: false)
    end
  end

  class Session < Model
    has_one :user

    # Hack to avoid loading a remote user
    def user
      return self['user'] if self['user'].is_a?(User)
      User.new(self['user']) if self['user']
    end

    def authenticated?
      !user.id.nil? rescue false
    end
  end

  class Event < Model
  end
end
```

Send an optional local database id with the activation request
user
```ruby
require 'her'

module Userbin
  class Model
    include Her::Model
  end

  class User < Model; end

  class Token < Model;
    has_one :identity
  end

  class Identity < Model;
    def activate!(local_id = nil)
      Identity.save_existing(id, pending: false, local_id: local_id)
    end
  end

  class Session < Model
    has_one :user

    # Hack to avoid loading a remote user
    def user
      return self['user'] if self['user'].is_a?(User)
      User.new(self['user']) if self['user']
    end

    def authenticated?
      !user.id.nil? rescue false
    end
  end

  class Event < Model
  end
end
```
assistant