Migrations

app/models/department.rb

@@ -1,5 +1,6 @@
 class Department < ActiveRecord::Base
 
   has_many :users
+  has_friendly_id :name, :use_slug => true
 
 end

app/views/users/show.html.erb

@@ -9,7 +9,7 @@
 </div>
 <div class="bio right">
 	<h2><%= @user.name %></h2>
-	<h4><%= @user.department.name if @user.department %> - <%= @user.position %></h4>
+	<h4><%= link_to(@user.department.name, @user.department) if @user.department %> - <%= @user.position %></h4>
 
 	<% if @user.bio %>
 		<%= simple_format @user.bio %>

db/migrate/20110121211424_adding_department_url.rb

@@ -0,0 +1,9 @@
+class AddingDepartmentUrl < ActiveRecord::Migration
+  def self.up
+    add_column :departments, :cached_slug, :string
+  end
+
+  def self.down
+    remove_column :departments, :cached_slug
+  end
+end

db/schema.rb

@@ -10,12 +10,13 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20110121171312) do
+ActiveRecord::Schema.define(:version => 20110121211424) do
 
   create_table "departments", :force => true do |t|
     t.string   "name"
     t.datetime "created_at"
     t.datetime "updated_at"
+    t.string   "cached_slug"
   end
 
   create_table "friendships", :force => true do |t|