Fixed problem where views could be null. Moved view increment to model.

app/controllers/photos_controller.rb

@@ -19,8 +19,7 @@ class PhotosController < ApplicationController
   def show
     # Log the view
     @photo = Photo.find(params[:id])
-    @photo.views += 1
-    @photo.save
+    @photo.log_view
     # Get the image and send it to the browser
     data = File.open(@photo.photo.path, 'rb').read
     send_data(data , :filename => 'photo', :type => 'image/jpg', :disposition => 'inline')

app/models/photo.rb

@@ -29,6 +29,15 @@ class Photo < ActiveRecord::Base
       self.title
     end
 
+    def log_view
+      if self.views.nil?
+        self.views = 1
+      else
+        self.views += 1
+      end
+      self.save
+    end
+
 private
     def get_exif
         exif = MiniExiftool.new photo.queued_for_write[:original].path