adding indices for the relationships table listing 11.1
created relationships model: testing relationship creation and attributes listing 11.2
testing the user.relationship attribute in user_spec listing 11.3
implementing the user/relationships has many associations in user.rb
testing the user/relationship belongs to association in the relationship_spec.rb
adding the belongs_to associations to the relationship model in relationship.rb
testing the relationships model validations listing 11.7
adding the relationship model validations in relationship.rb listing 11.8
a test for user.followed_users attributes in user_spec.rb listing 11.9
adding the User model followed association in user.rb listing 11.10
test for some 'following' ustility methods listing 11.11
the following? and follow! utility methods in user.rb
a test for unfollowing a user in user_spec.rb listing 11.13
unfollowing a user by destroying a user relationship
testing for reverse relationships in user_spec.rb listing 11.15
implementing the user.followers using reverse relationships in user.rb lising 11.16
adding sample data for following/follwer relationsips sample_data.rake listing 11.17
adding following and followers actions to Users controller listing 11.18
testing the following/follower statistics on home page listing 11.19
a partials for displaying user stats listing 11.20 -stats.html.erb