Show the number of new comments

app/helpers/node_helper.rb

@@ -112,9 +112,9 @@ def read_it(content)
     if current_account
       status = node.read_status(current_account)
       visit  = case status
-               when :not_read     then ", non visité"
-               when :new_comments then ", Nouveaux !"
-               else                    ", déjà visité"
+               when :not_read then ", non visité"
+               when Integer   then ", #{pluralize status, "nouveau", "nouveaux"} !"
+               else                ", déjà visité"
                end
       visit  = content_tag(:span, visit, :class => "visit")
     else

app/models/node.rb

@@ -112,11 +112,14 @@ def self.last_reading(node_id, account_id)
   end
 
   def read_status(account)
+    return @read_status if @read_status
     r = Node.last_reading(self.id, account.id) if account
-    return :not_read     if r.nil?
-    return :no_comments  if last_commented_at.nil?
-    return :new_comments if r < last_commented_at
-    return :read
+    @read_status = case
+                   when r.nil?                 then :not_read
+                   when last_commented_at.nil? then :no_comments
+                   when r >= last_commented_at then :read
+                   else comments.where("created_at > ?", r).count
+                   end
   end
 
   def board_status(account)

spec/models/section_spec.rb

@@ -13,7 +13,7 @@
 require 'spec_helper'
 
 describe Section do
-  subject { FactoryGirl.build(:section) }
+  subject { FactoryGirl.build(:section, :title => "Ruby") }
 
   it { should be_valid }