user can retract a reshared post

app/models/post.rb

@@ -24,8 +24,8 @@ class Post < ActiveRecord::Base
   has_many :contacts, :through => :post_visibilities
   has_many :mentions, :dependent => :destroy
 
-  has_many :reshares, :class_name => "Reshare"
-  has_many :resharers, :through => :reshares, :foreign_key => :root_id, :source => :author
+  has_many :reshares, :class_name => "Reshare", :foreign_key => :root_id
+  has_many :resharers, :class_name => 'Person', :through => :reshares, :source => :author
 
   belongs_to :author, :class_name => 'Person'
 

app/models/reshare.rb

@@ -7,6 +7,20 @@ class Reshare < Post
     self.public = true
   end
 
+  def receive(user, person)
+    local_reshare = Reshare.where(:guid => self.guid).first
+    if local_reshare.root.author_id == user.person.id
+      local_reshare.root.reshares << local_reshare
+      
+      if user.contact_for(person)
+        local_reshare.receive(user, person)
+      end
+
+    else
+      super(user, person)
+    end
+  end
+
   private
 
   def root_must_be_public

app/models/user.rb

@@ -237,7 +237,12 @@ class User < ActiveRecord::Base
       retraction = Retraction.for(target)
     end
 
-    mailman = Postzord::Dispatch.new(self, retraction)
+    opts = {}
+    if target.is_a?(Post)
+      opts[:additional_subscribers] = target.resharers
+    end
+
+    mailman = Postzord::Dispatch.new(self, retraction, opts)
     mailman.post
 
     retraction.perform(self)

app/views/posts/show.html.haml

@@ -4,7 +4,7 @@
 
 .span-20.append-2.prepend-2.last
   #main_stream.stream.status_message_show
-    = render 'shared/stream_element_shim', :post => @post, :commenting_disabled => defined?(@commenting_disabled)
+    = render 'shared/stream_element', :post => @post, :commenting_disabled => defined?(@commenting_disabled)
   %br
   %br
   %br

app/views/reshares/_reshare.haml

@@ -17,7 +17,7 @@
         = link_to image_tag(post.image_url, 'data-small-photo' => post.image_url, 'data-full-photo' => post.image_url, :class => 'stream-photo'), post.object_url, :class => "stream-photo-link"
       - else
         = render 'status_messages/status_message', :post => post, :photos => post.photos
-      - if (post.author_id != current_user.person.id) && (post.public?) && !reshare?(post)
+      - if defined?(current_user) && current_user && (post.author_id != current_user.person.id) && (post.public?) && !reshare?(post)
         %span.reshare_action
           = link_to "Reshare", reshares_path(:root_id => post.id), :method => :post, :remote => true, :confirm => "Reshare: #{post.author.name} - #{post.text}?"
 

spec/models/reshare_spec.rb

@@ -20,7 +20,7 @@ describe Reshare do
 
   describe "#receive" do
     before do
-      @reshare = Factory.build(:reshare, :root => Factory.build(:status_message, :public => false))
+      @reshare = Factory.create(:reshare, :root => Factory(:status_message, :author => bob.person, :public => true))
       @root = @reshare.root
       @reshare.receive(@root.author.owner, @reshare.author)
     end

spec/models/user_spec.rb

@@ -752,4 +752,49 @@ describe User do
       end
     end
   end
+
+  describe '#retract' do
+    before do
+      @retraction = mock
+    end
+
+    context "regular retractions" do
+      before do
+        Retraction.stub(:for).and_return(@retraction)
+        @retraction.stub(:perform)
+
+        @post = Factory(:status_message, :author => bob.person, :public => true)
+      end
+
+      it 'sends a retraction' do
+        dispatcher = mock
+        Postzord::Dispatch.should_receive(:new).with(bob, @retraction, anything()).and_return(dispatcher)
+        dispatcher.should_receive(:post)
+
+        bob.retract(@post)
+      end
+
+      it 'adds resharers of target post as additional subsctibers' do
+        person = Factory(:person)
+        reshare = Factory(:reshare, :root => @post, :author => person)
+        @post.reshares << reshare
+
+        dispatcher = mock
+        Postzord::Dispatch.should_receive(:new).with(bob, @retraction, {:additional_subscribers => [person]}).and_return(dispatcher)
+        dispatcher.should_receive(:post)
+
+        bob.retract(@post)
+      end
+
+      it 'performs the retraction' do
+
+      end
+    end
+
+    context "relayable retractions" do
+      it 'sends a relayable retraction if the object is relayable' do
+
+      end
+    end
+  end
 end