app/models/carousel/slide.rb in comfy_carousel-0.0.0 vs app/models/carousel/slide.rb in comfy_carousel-0.0.1

@@ -1,23 +1,27 @@
 class Carousel::Slide < ActiveRecord::Base
   
-  has_attached_file :slide, 
-    :styles => {
-                  :slide => "450x315#",
-                  :edit_page => "150x150>"
-               }
-    
-  attr_accessible :description,
-                  :url,
-                  :slide,
-                  :title,
-                  :sort
-                  
-  # -- Validations ----------------------------------------------------------
+  self.table_name = :carousel_slides
   
-  validates :description,
-            :url,
-            :title,
-            :sort,
+  has_attached_file :file
+  
+  # -- Relationships --------------------------------------------------------
+  belongs_to :carousel
+  
+  # -- Callbacks ------------------------------------------------------------
+  before_create :assign_position
+  
+  # -- Validations ----------------------------------------------------------
+  validates :carousel_id, :label,
     :presence => true
+    
+  # -- Scopes ---------------------------------------------------------------
+  default_scope order('carousel_slides.position')
+  
+protected
+  
+  def assign_position
+    max = carousel.slides.maximum(:position)
+    self.position = max ? max + 1 : 0
+  end
   
 end