add ability to view all friends

app/controllers/friends_controller.rb

@@ -0,0 +1,5 @@
+class FriendsController < ApplicationController
+  def index
+    @friends = current_user.friends
+  end
+end

app/models/user.rb

@@ -5,4 +5,12 @@ class User < ActiveRecord::Base
   attr_accessible :email, :password, :password_confirmation, :remember_me
   has_many :for_me, foreign_key: :recommendee_id, class_name: "MovieRecommendation"
   has_many :from_me, foreign_key: :recommender_id, class_name: "MovieRecommendation"
+
+  def friends
+    User.where("id != ?", id)
+  end
+
+  def to_s
+    email
+  end
 end

app/views/friends/index.html.haml

@@ -0,0 +1,3 @@
+%ul.friends
+  - @friends.each do |user|
+    = link_to user, friend_path(user)

config/routes.rb

@@ -2,5 +2,6 @@
   devise_for :users
   resources :movie_recommendations, only: [:index, :show]
   resources :my_recommendations, only: [:index]
+  resources :friends, only: [:index, :show]
   root to: "movie_recommendations#index"
 end

features/friends.feature

@@ -0,0 +1,9 @@
+Feature: Interact with other users
+
+  Scenario: View all users
+    Given 5 users exist
+    And I am signed in as "person@example.com"
+    When I visit my friends page
+    Then I should see links to 5 users
+
+  Scenario: View an individual user

features/step_definitions/friend_steps.rb

@@ -0,0 +1,9 @@
+When /^I visit my friends page$/ do
+  visit friends_path
+end
+
+Then /^I should see links to (\d+) users$/ do |count|
+  within ".friends" do
+    page.should have_css("a", count: count)
+  end
+end

spec/models/user_spec.rb

@@ -13,4 +13,15 @@
     from_user.from_me.should == [recommendation]
     to_user.for_me.should == [recommendation]
   end
+
+  it "#friends returns all other users" do
+    other_users = create_list(:user, 5)
+    user = create(:user)
+    user.friends.should == other_users
+  end
+
+  it "shows the email for to_s" do
+    user = build_stubbed(:user)
+    user.to_s.should == user.email
+  end
 end