Fix draft preview of blog posts

app/helpers/refinery/blog/controller_helper.rb

@@ -6,7 +6,7 @@ module Refinery
     
         def find_blog_post
           unless (@blog_post = Refinery::BlogPost.find(params[:id])).try(:live?)
-            if refinery_user? and current_user.authorized_plugins.include?("refinerycms_blog")
+            if refinery_user? and current_refinery_user.authorized_plugins.include?("refinerycms_blog")
               @blog_post = Refinery::BlogPost.find(params[:id])
             else
               error_404

app/views/refinery/blog/posts/_post.html.erb

@@ -27,5 +27,5 @@
     <span class="st_sharethis" displayText="ShareThis"></span>
   <% end %>
 </article>
-<%= render :partial => '/shared/draft_page_message' unless @blog_post.nil? or @blog_post.live? -%>
+<%= render :partial => '/refinery/draft_page_message' unless @blog_post.nil? or @blog_post.live? -%>
 <%= render 'nav' if next_or_previous?(@blog_post) %>

spec/factories/blog_posts.rb

@@ -5,5 +5,9 @@ FactoryGirl.define do
     draft false
     tag_list "chicago, shopping, fun times"
     published_at Time.now
+    
+    factory :blog_post_draft do
+      draft true
+    end
   end
 end

spec/requests/refinery/blog/posts_spec.rb

@@ -83,5 +83,27 @@ module Refinery
         end
       end
     end
+    
+    describe "#show draft preview" do
+      let(:blog_post) { FactoryGirl.create(:blog_post_draft) }
+      
+      context "when logged in as admin" do        
+        it "should display the draft notification" do
+          visit blog_post_path(blog_post)
+          
+          page.should have_content('This page is NOT live for public viewing.')
+        end
+      end
+      
+      context "when not logged in as an admin" do
+        before(:each) { visit destroy_refinery_user_session_path }
+        
+        it "should not display the blog post" do
+          visit blog_post_path(blog_post)
+          
+          page.should have_content("The page you were looking for doesn't exist (404)")
+        end
+      end
+    end
   end
 end