Rename by_user to newest_by_user and sort accordingly.

app/controllers/home_controller.rb

@@ -86,7 +86,7 @@ class HomeController < ApplicationController
     by_user = User.where(:username => params[:user]).first!
 
     @stories, @show_more = get_from_cache(by_user: by_user) {
-      paginate stories.by_user(by_user)
+      paginate stories.newest_by_user(by_user)
     }
 
     @heading = @title = "Newest Stories by #{by_user.username}"

app/models/story_repository.rb

@@ -31,8 +31,8 @@ class StoryRepository
     newest.order("stories.created_at DESC")
   end
 
-  def by_user(user)
-    base_scope.where(user_id: user.id)
+  def newest_by_user(user)
+    base_scope.where(user_id: user.id).order("stories.id DESC")
   end
 
   def recent

spec/controllers/home_controller_spec.rb

@@ -70,7 +70,7 @@ describe HomeController do
     let(:scope) { double 'Newest By User Scope' }
     let(:user) { User.make! }
 
-    before { StoryRepository.any_instance.should_receive(:by_user).with(user) }
+    before { StoryRepository.any_instance.should_receive(:newest_by_user).with(user) }
     before { get 'newest_by_user', user: user.username }
 
     context 'assigns' do

spec/models/story_repository_spec.rb

@@ -87,17 +87,17 @@ describe StoryRepository do
     end
   end
 
-  describe '#by_user' do
+  describe '#newest_by_user' do
     let(:another_user) { User.make! }
 
-    subject { stories.by_user(another_user) }
+    subject { stories.newest_by_user(another_user) }
 
-    it 'orders by created_at' do
+    it 'orders by id descending' do
       story1 = Story.make! user_id: another_user.id
       story2 = Story.make!
       story3 = Story.make! user_id: another_user.id
 
-      expect(subject).to eq [story1, story3]
+      expect(subject).to eq [story3, story1]
     end
   end