Fixed #4726 infinite photo stream

app/controllers/photos_controller.rb

@@ -31,7 +31,7 @@ class PhotosController < ApplicationController
         @contact = Contact.new
       end
 
-      @posts = current_user.photos_from(@person)
+      @posts = current_user.photos_from(@person, max_time: max_time)
 
       respond_to do |format|
         format.all { render 'people/show' }

app/models/user/querying.rb

@@ -133,8 +133,11 @@ module User::Querying
     ::EvilQuery::ShareablesFromPerson.new(self, Post, person).make_relation!
   end
 
-  def photos_from(person)
+  def photos_from(person, opts={})
+    opts = prep_opts(Photo, opts)
     ::EvilQuery::ShareablesFromPerson.new(self, Photo, person).make_relation!
+      .by_max_time(opts[:max_time])
+      .limit(opts[:limit])
   end
 
   protected

spec/controllers/photos_controller_spec.rb

@@ -101,6 +101,14 @@ describe PhotosController do
       response.headers['Content-Type'].should match 'application/json.*'
       save_fixture(response.body, "photos_json")
     end
+    
+    it 'displays by date of creation' do
+      max_time = bob.photos.first.created_at - 1.day
+      get :index, person_id: bob.person.guid.to_s, 
+                  max_time: max_time.to_i
+
+      assigns[:posts].should be_empty
+    end
   end
 
   describe '#edit' do