Permalink support

Gemfile

@@ -12,6 +12,7 @@ gem 'atd-ancestry', :require => 'ancestry'
 gem 'devise'
 gem 'inherited_resources'
 gem 'cancan'
+gem 'stringex'
 
 gem "rspec-rails", ">= 2.0.0.beta"
 gem "factory_girl"

Gemfile.lock

@@ -112,6 +112,7 @@ GEM
       json_pure
       rubyzip
     sqlite3-ruby (1.3.1)
+    stringex (1.2.0)
     thor (0.14.3)
     treetop (1.4.8)
       polyglot (>= 0.3.1)
@@ -133,3 +134,4 @@ DEPENDENCIES
   rspec-rails (>= 2.0.0.beta)
   ruby-debug (>= 0.10.3)
   sqlite3-ruby
+  stringex

Rakefile

@@ -33,6 +33,7 @@ spec = Gem::Specification.new do |s|
   s.add_dependency('atd-ancestry', '~> 1.3.0')
   s.add_dependency('devise', '~> 1.1.3')
   s.add_dependency('inherited_resources', '~> 1.1.2')
+  s.add_dependency('stringex', '~> 1.2.0')
 end
 
 Rake::GemPackageTask.new(spec) do |pkg|

app/controllers/groups_controller.rb

@@ -1,2 +1,9 @@
 class GroupsController < InheritedResources::Base
+  protected
+
+  # Overwrite resource method to support permalink
+  # See InheritedResources::BaseHelpers#resource
+  def resource
+    @group ||= end_of_association_chain.find_by_permalink!(params[:id])
+  end
 end

app/models/actor.rb

@@ -2,6 +2,8 @@
 class Actor < ActiveRecord::Base
   include SocialStream::Models::Supertype
 
+  acts_as_url :name, :url_attribute => :permalink
+
   has_many :sent_ties,
            :class_name => "Tie",
            :foreign_key => 'sender_id',

lib/social_stream/models/actor.rb

@@ -13,7 +13,7 @@ module Actor
 
         delegate :name, :name=,
                  :email, :email=,
-                 :permalink, :permalink=,
+                 :permalink,
                  :ties, :sent_ties, :received_ties,
                  :active_ties_to,
                  :sender_subjects, :receiver_subjects, :suggestion,
@@ -32,6 +32,10 @@ def actor!
           actor || build_actor
         end
 
+        def to_param
+          permalink
+        end
+
         private
 
         def initialize_reflexive_ties
@@ -56,6 +60,15 @@ def receiving_subject_classes
             map(&:receiver_type).
             map(&:constantize)
         end
+
+        def find_by_permalink(perm)
+          joins(:actor).where('actors.permalink' => perm).first
+        end
+
+        def find_by_permalink!(perm)
+          find_by_permalink(perm) ||
+            raise(ActiveRecord::RecordNotFound)
+        end
       end
     end
   end

lib/social_stream/rails.rb

@@ -1,6 +1,10 @@
-# Load Devise constant
+# Permalinks:
+require 'stringex'
+# Hierchical relationships in Relation and Activity:
 require 'ancestry'
+# User authentication:
 require 'devise'
+# REST controllers:
 require 'inherited_resources'
 
 require 'social_stream/rails/common'

spec/factories/actor.rb

@@ -0,0 +1,3 @@
+Factory.define :actor do |s|
+  s.sequence(:name) { |n| "Actor #{ n }" }
+end

spec/models/actor_spec.rb

@@ -0,0 +1,16 @@
+require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
+
+describe Actor do
+  it "should generate permalink" do
+    assert Factory(:actor).permalink.present?
+  end
+
+  it "should generate different permalink" do
+    a = Factory(:actor)
+    b = Factory(:actor, :name => a.name)
+
+    a.name.should == b.name
+    a.permalink.should_not == b.permalink
+  end
+
+end

spec/models/user_space.rb

@@ -0,0 +1,10 @@
+require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
+
+describe User do
+  it "should find by permalink" do
+    user = Factory(:user)
+
+    assert user.should == User.find_by_permalink(user.permalink)
+  end
+end
+