From 636383e630967c373d762ae2475f4f4e7e05f974 Mon Sep 17 00:00:00 2001
From: Jonathan Seitel <jon.seitel@gmail.com>
Date: Thu, 31 Jan 2013 22:23:49 -0800
Subject: Committing user_class to master

---
 app/models/refinery/blog/post.rb                   |  2 +-
 app/views/refinery/blog/admin/posts/_form.html.erb |  2 +-
 .../config/initializers/refinery/blog.rb.erb       |  3 +++
 lib/refinery/blog/configuration.rb                 | 23 ++++++++++++++++++++++
 4 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/app/models/refinery/blog/post.rb b/app/models/refinery/blog/post.rb
index 28d14e5..7252c47 100644
--- a/app/models/refinery/blog/post.rb
+++ b/app/models/refinery/blog/post.rb
@@ -14,7 +14,7 @@ module Refinery
 
       default_scope :order => 'published_at DESC'
 
-      belongs_to :author, :class_name => 'Refinery::User', :foreign_key => :user_id, :readonly => true
+      belongs_to :author, :class_name => Refinery::Blog.user_class.to_s, :foreign_key => :user_id, :readonly => true
 
       has_many :comments, :dependent => :destroy, :foreign_key => :blog_post_id
       acts_as_taggable
diff --git a/app/views/refinery/blog/admin/posts/_form.html.erb b/app/views/refinery/blog/admin/posts/_form.html.erb
index 41aa8de..f9666ba 100644
--- a/app/views/refinery/blog/admin/posts/_form.html.erb
+++ b/app/views/refinery/blog/admin/posts/_form.html.erb
@@ -94,7 +94,7 @@
           <%= f.label :user_id, t('.author') %>
           <%= refinery_help_tag t('.author_help') %>
           <br/>
-          <%= f.collection_select :user_id, ::Refinery::User.all, :id, :username %>
+          <%= f.collection_select :user_id, Refinery::Blog.user_class.all, :id, :username %>
         </span>
       </div>
 
diff --git a/lib/generators/refinery/blog/templates/config/initializers/refinery/blog.rb.erb b/lib/generators/refinery/blog/templates/config/initializers/refinery/blog.rb.erb
index 294c258..4d61e5d 100644
--- a/lib/generators/refinery/blog/templates/config/initializers/refinery/blog.rb.erb
+++ b/lib/generators/refinery/blog/templates/config/initializers/refinery/blog.rb.erb
@@ -10,4 +10,7 @@ Refinery::Blog.configure do |config|
   # config.share_this_key = <%= Refinery::Blog.share_this_key.inspect %>
 
   # config.page_url = <%= Refinery::Blog.page_url.inspect %>
+  
+  # If you're grafting onto an existing app, change this to your User class
+  # Refinery::Blog.user_class = <%= Refinery::Blog.user_class.inspect %>
 end
diff --git a/lib/refinery/blog/configuration.rb b/lib/refinery/blog/configuration.rb
index b7598e8..6198cb2 100644
--- a/lib/refinery/blog/configuration.rb
+++ b/lib/refinery/blog/configuration.rb
@@ -11,5 +11,28 @@ module Refinery
     self.post_teaser_length = 250
     self.share_this_key = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"
     self.page_url = "/blog"
+  
+    # Refinery::User isn't available when this line gets hit, so we use static methods instead
+    @@user_class_name = nil
+    class << self
+      def user_class=(class_name)
+        if class_name.is_a?(Class)
+          raise TypeError, "You can't set user_class to be a class, e.g., User.  Instead, please use a string like 'User'"
+        elsif class_name.is_a?(String)
+          @@user_class_name = class_name
+        else
+          raise TypeError, "Invalid type for user_class.  Please use a string like 'User'"
+        end
+      end
+
+      def user_class
+        class_name = @@user_class_name || 'Refinery::User'
+        begin
+          Object.const_get(class_name)
+        rescue NameError
+          class_name.constantize
+        end
+      end
+    end
   end
 end
-- 
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