DG IZ; using group_id instead of group in post method. passing in :group_id into publisher partial

app/models/user.rb

@@ -42,8 +42,8 @@ class User
   def post(class_name, options = {})
     options[:person] = self.person
 
-    group = options[:group]
-    options.delete(:group)
+    group_id = options[:group_id]
+    options.delete(:group_id)
 
     model_class = class_name.to_s.camelize.constantize
     post = model_class.instantiate(options)
@@ -56,7 +56,8 @@ class User
     self.raw_visible_posts << post
     self.save
     
-    if group
+    if group_id
+      group = self.groups.find_by_id(group_id)
       group.my_posts << post
       group.save
     end

app/views/groups/index.html.haml

@@ -2,7 +2,7 @@
   welcome home,
   = current_user.profile.first_name
 
-= render "shared/publisher"
+= render "shared/publisher", :group_id => @group.id
 
 %ul#stream
   - for post in @posts

app/views/groups/show.html.haml

@@ -1,4 +1,4 @@
-= render "shared/publisher"
+= render "shared/publisher", :group_id => @group.id
 %ul#stream
   - for post in @posts
     = render type_partial(post), :post => post

app/views/shared/_publisher.haml

@@ -3,6 +3,9 @@
   #publisher_form
     = form_for StatusMessage.new, :remote => true do |f|
       = f.error_messages
+
+      = f.hidden_field :group_id, :value => group_id
+
       %p
         %label{:for => "status_message_message"} Message
         = f.text_area :message, :rows => 2

spec/models/group_spec.rb

@@ -57,7 +57,7 @@ describe Group do
     it 'should add post to group via post method' do
       @group = @user.group(:name => 'losers', :people => [@friend])
 
-      status_message = @user.post( :status_message, :message => "hey", :group => @group )
+      status_message = @user.post( :status_message, :message => "hey", :group_id => @group.id )
       
       @group.reload
       @group.my_posts.include?(status_message).should be true