take acts-as-taggable-on gem from git, solve tag case-sensitivity

Gemfile

@@ -92,7 +92,7 @@ gem 'SystemTimer', '1.2.3', :platforms => :ruby_18
 
 # tags
 
-gem 'acts-as-taggable-on', '~> 2.2.2'
+gem 'acts-as-taggable-on', :git => "git://github.com/mbleigh/acts-as-taggable-on.git"
 
 # URIs and HTTP
 

Gemfile.lock

@@ -13,6 +13,13 @@ GIT
   specs:
     settingslogic (2.0.8)
 
+GIT
+  remote: git://github.com/mbleigh/acts-as-taggable-on.git
+  revision: 4690e041e59114ad1d42efaa463462140a703dba
+  specs:
+    acts-as-taggable-on (2.2.2)
+      rails (~> 3.0)
+
 GIT
   remote: git://github.com/pivotal/jasmine-gem.git
   revision: 1e075fbf5a69812fcc914c453f002ecf5bed38ab
@@ -57,8 +64,6 @@ GEM
     activesupport (3.2.2)
       i18n (~> 0.6)
       multi_json (~> 1.0)
-    acts-as-taggable-on (2.2.2)
-      rails (~> 3.0)
     acts_as_api (0.4)
       activemodel (>= 3.0.0)
       activesupport (>= 3.0.0)
@@ -462,7 +467,7 @@ PLATFORMS
 DEPENDENCIES
   SystemTimer (= 1.2.3)
   activerecord-import (~> 0.2.9)
-  acts-as-taggable-on (~> 2.2.2)
+  acts-as-taggable-on!
   acts_as_api
   addressable (~> 2.2)
   airbrake

app/models/tag_following.rb

@@ -3,9 +3,9 @@ class TagFollowing < ActiveRecord::Base
   belongs_to :tag, :class_name => "ActsAsTaggableOn::Tag"
 
   validates_uniqueness_of :tag_id, :scope => :user_id
-  
+
   def self.user_is_following?(user, tagname)
     tagname.nil? ? false : joins(:tag).where(:tags => {:name => tagname.downcase}, :user_id => user.id).exists?
   end
-  
+
 end

config/initializers/acts_as_taggable_on.rb

@@ -0,0 +1,3 @@
+
+ActsAsTaggableOn.force_lowercase = true
+

lib/stream/tag.rb

@@ -12,7 +12,7 @@ class Stream::Tag < Stream::Base
   end
 
   def tag
-    @tag ||= ActsAsTaggableOn::Tag.find_by_name(tag_name)
+    @tag ||= ActsAsTaggableOn::Tag.named(tag_name).first
   end
 
   def tag_follow_count

spec/lib/stream/tag_spec.rb

@@ -72,6 +72,19 @@ describe Stream::Tag do
     end
   end
 
+  describe 'case insensitivity' do
+    before do
+      @post_lc = alice.post(:status_message, :text => '#newhere', :public => true, :to => 'all')
+      @post_uc = alice.post(:status_message, :text => '#NewHere', :public => true, :to => 'all')
+      @post_cp = alice.post(:status_message, :text => '#NEWHERE', :public => true, :to => 'all')
+    end
+
+    it 'returns posts regardless of the tag case' do
+      stream = Stream::Tag.new(nil, "newhere")
+      stream.posts.should == [@post_lc, @post_uc, @post_cp]
+    end
+  end
+
   describe 'shared behaviors' do
     before do
       @stream = Stream::Tag.new(Factory(:user), "test")
@@ -90,7 +103,7 @@ describe Stream::Tag do
       stream.tag_name.should == 'what'
     end
   end
-  
+
   describe "#publisher" do
     it 'creates a publisher with the tag prefill' do
       Publisher.should_receive(:new).with(anything(), anything)

spec/models/status_message_spec.rb

@@ -259,6 +259,20 @@ STR
       @object = Factory.build(:status_message)
     end
     it_should_behave_like 'it is taggable'
+
+    it 'associates different-case tags to the same tag entry' do
+      assert_equal ActsAsTaggableOn.force_lowercase, true
+
+      msg_lc = Factory.build(:status_message, :text => '#newhere')
+      msg_uc = Factory.build(:status_message, :text => '#NewHere')
+      msg_cp = Factory.build(:status_message, :text => '#NEWHERE')
+
+      msg_lc.save; msg_uc.save; msg_cp.save
+
+      tag_array = msg_lc.tags
+      msg_uc.tags.should == tag_array
+      msg_cp.tags.should == tag_array
+    end
   end
 
   describe "XML" do