app/helpers/formol/posts_helper.rb in formol-0.0.4 vs app/helpers/formol/posts_helper.rb in formol-0.0.5

@@ -21,7 +21,30 @@
     def display_signatures?(user, post)
       s = post.display_signature? && !post.user.preference.signature.blank?
       
       (s && user ? user.preference.display_signatures? : s)
     end
+    
+    def avatar_for(user)
+      img = if user.respond_to?(:avatar_url) && user.avatar_url.present?
+        user.avatar_url
+      elsif user.respond_to?(:email) && user.email.present?
+        require 'digest/md5' unless defined?(Digest::MD5)
+        
+        email_h = Digest::MD5.hexdigest(user.email.to_s.strip.downcase)
+        options = { :s => 100, :d => default_avatar }
+        
+        "http://www.gravatar.com/avatar/#{email_h}?#{options.to_param}"
+      else
+        default_avatar
+      end
+      
+      image_tag(img, :alt => user.display_name)
+    end
+    
+    def default_avatar
+      img = Formol.config.default_avatar
+      
+      img && URI(img).absolute? ? img : request.protocol + request.host_with_port + path_to_image(img)
+    end
   end
 end