Commented-on posts bubble up to the top

app/controllers/aspects_controller.rb

@@ -9,7 +9,7 @@ class AspectsController < ApplicationController
   respond_to :json, :only => :show
 
   def index
-    @posts  = current_user.visible_posts(:_type => "StatusMessage").paginate :page => params[:page], :per_page => 15, :order => 'created_at DESC'
+    @posts  = current_user.raw_visible_posts.find_all_by__type("StatusMessage", :order => 'updated_at desc').paginate :page => params[:page], :per_page => 15
     @post_hashes = hashes_for_posts @posts
     @aspect_hashes = hashes_for_aspects @aspects.all, @contacts
     @aspect = :all
@@ -62,7 +62,7 @@ def show
       @aspect_contacts = @aspect.contacts
       @aspect_contacts_count = @aspect_contacts.count
 
-      @posts = @aspect.posts.find_all_by__type("StatusMessage", :order => 'created_at desc').paginate :page => params[:page], :per_page => 15
+      @posts = @aspect.posts.find_all_by__type("StatusMessage", :order => 'updated_at desc').paginate :page => params[:page], :per_page => 15
       @post_hashes = hashes_for_posts @posts
       @post_count = @posts.count
 

app/controllers/people_controller.rb

@@ -11,7 +11,7 @@ class PeopleController < ApplicationController
   def index
     @aspect = :search
 
-    @people = Person.search(params[:q]).paginate :page => params[:page], :per_page => 25, :order => 'created_at DESC'
+    @people = Person.search(params[:q]).paginate :page => params[:page], :per_page => 25, :order => 'updated_at DESC'
     @requests = Request.all(:to_id.in => @people.map{|p| p.id})
 
     #only do it if it is an email address
@@ -39,7 +39,7 @@ def show
         @aspects_with_person = @contact.aspects
       end
 
-      @posts = current_user.visible_posts(:person_id => @person.id, :_type => "StatusMessage").paginate :page => params[:page], :order => 'created_at DESC'
+      @posts = current_user.visible_posts(:person_id => @person.id, :_type => "StatusMessage").paginate :page => params[:page], :order => 'updated_at DESC'
       @post_hashes = hashes_for_posts @posts
       respond_with @person, :locals => {:post_type => :all}
 

app/controllers/photos_controller.rb

@@ -21,7 +21,7 @@ def index
         @aspects_with_person = @contact.aspects
       end
 
-      @posts = current_user.raw_visible_posts.all(:_type => 'Photo', :person_id => @person.id, :order => 'created_at DESC').paginate :page => params[:page], :order => 'created_at DESC'
+      @posts = current_user.raw_visible_posts.all(:_type => 'Photo', :person_id => @person.id, :order => 'updated_at DESC').paginate :page => params[:page], :order => 'created_at DESC'
 
       render 'people/show'
 

app/models/comment.rb

@@ -36,6 +36,11 @@ class Comment
   validates_presence_of :text, :diaspora_handle, :post
   validates_with HandleValidator
 
+  after_create do
+    #save the parent post to update updated_at timestamp
+    post.save
+  end
+
   before_save do
     get_youtube_title text
   end

spec/models/comment_spec.rb

@@ -70,6 +70,15 @@
       user2.comment "sup dog", :on => @status
       @status.reload.comments.first.text.should == "sup dog"
     end
+
+    it "updates updated_at of parent post on creation" do
+      hash = @status.to_mongo
+      hash[:updated_at] = (Time.now - 20).to_s
+      @status.collection.save(hash)
+      user2.comment "sup dog", :on => @status
+      @status.reload.updated_at.should == @status.comments.first.created_at
+    end
+
   end
 
   it 'should not send out comments when we have no people' do