go to image page

app/models/portfolio_image.rb

@@ -9,6 +9,16 @@ class PortfolioImage < ActiveRecord::Base
   
   scope :after, lambda {|time| {:conditions => ["shoot_at > ?", time]}}
   
+  def position(portfolio)
+    portfolio.images.after(self.shoot_at).count+1
+    
+  end
+  
+  def page(portfolio)
+    per_page = portfolio.content_type || 1
+    (self.position(portfolio)/(per_page*1.0)).ceil
+  end
+  
   def width
     self.photo.geometry[:width]
   end

app/views/portfolios/index.html.haml

@@ -7,7 +7,7 @@
 		
 		
 	-@index_images.each do |img|
-		=link_to image_tag(img.photo.square.url), img.portfolios.first.path
+		=link_to image_tag(img.photo.square.url), portfolio_path(:id => img.portfolios.first.slug, :page => img.page(img.portfolios.first),:position => img.position(img.portfolios.first))
 	%p{:style => "clear:both;height:2px;"}
 	:javascript
 		function size_index_images(){