DG; Person is now the parent of Friend and User

app/models/friend.rb

-class Friend
-  include Mongoid::Document
-  include ROXML
+class Friend < Person
 
-  xml_accessor :username
   xml_accessor :url
-  xml_accessor :real_name
 
-  field :username
   field :url
-  field :real_name
 
-  validates_presence_of :username, :url, :real_name
+  validates_presence_of :url
   validates_format_of :url, :with =>
     /^(http|https):\/\/[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(([0-9]{1,5})?\/.*)?$/ix
     

app/models/user.rb

-class User
-  include Mongoid::Document
+class User < Person
   
   # Include default devise modules. Others available are:
   # :token_authenticatable, :confirmable, :lockable and :timeoutable
   devise :database_authenticatable, :registerable,
          :recoverable, :rememberable, :trackable, :validatable
   
-  field :real_name
-
-  validates_presence_of :real_name
-
 end

app/views/friends/index.html.haml

@@ -2,11 +2,13 @@
 
 %table
   %tr
-    %th username
+    %th real name
+    %th email
     %th url
   - for friend in @friends
     %tr
-      %td= friend.username
+      %td= friend.real_name
+      %td= friend.email
       %td= friend.url
       %td= link_to 'Show', friend
       %td= link_to 'Destroy', friend, :confirm => 'Are you sure?', :method => :delete

app/views/friends/new.html.haml

@@ -3,9 +3,13 @@
 = form_for @friend do |f|
   = f.error_messages
   %p
-    = f.label :username
+    = f.label :real_name
     %br
-    = f.text_field :username
+    = f.text_field :real_name
+  %p
+    = f.label :email
+    %br
+    = f.text_field :email
   %p
     = f.label :url
     %br

app/views/friends/show.html.haml

 - title "Friend"
 
 %p
-  %strong Username:
-  = @friend.username
+  %strong Real Name:
+  = @friend.real_name
+%p
+  %strong Email:
+  = @friend.email
 %p
   %strong Url:
   = @friend.url

app/views/users/index.html.haml

@@ -2,9 +2,11 @@
 
 %table
   %tr
-    %th User
+    %th Real Name
+    %th email
     %th Password
   - for user in @users
     %tr
+      %td= user.real_name
       %td= user.email
       %td= user.encrypted_password

spec/factories.rb

@@ -4,7 +4,7 @@
 
 Factory.define :friend do |f|
   f.real_name 'John Doe'
-  f.username 'max'
+  f.email 'max@max.com'
   f.url  'http://max.com/'
 end
 

spec/models/friend_spec.rb

@@ -64,7 +64,7 @@ describe Friend do
    describe "XML" do
     before do
       @f = Factory.build(:friend)
-      @xml = "<friend>\n  <username>#{@f.username}</username>\n  <url>#{@f.url}</url>\n  <real_name>#{@f.real_name}</real_name>\n</friend>" 
+      @xml = "<friend>\n  <url>#{@f.url}</url>\n  <email>#{@f.email}</email>\n  <real_name>#{@f.real_name}</real_name>\n</friend>" 
     end
       
     it 'should serialize to XML' do
@@ -73,7 +73,7 @@ describe Friend do
   
     it 'should marshal serialized XML to object' do       
       parsed = Friend.from_xml(@xml)
-      parsed.username.should == @f.username
+      parsed.email.should == @f.email
       parsed.url.should == @f.url
       parsed.valid?.should be_true
     end

spec/models/post_spec.rb

@@ -5,8 +5,6 @@ describe Post do
     Factory.create(:user, :email => "bob@aol.com")
   end
 
-  describe 'requirements' do
-  end
 
   describe 'defaults' do
     before do