Initial release of Discourse

app/serializers/basic_topic_serializer.rb

@@ -0,0 +1,53 @@
+require_dependency 'age_words'
+
+class BasicTopicSerializer < ApplicationSerializer
+  include ActionView::Helpers
+
+  attributes :id, :title, :reply_count, :posts_count, :highest_post_number, :image_url, :created_at, 
+             :last_posted_at, :age, :unseen, :last_read_post_number, :unread, :new_posts
+
+  def age
+    AgeWords.age_words(Time.now - (object.created_at || Time.now))
+  end
+
+  def seen
+    object.user_data.present?  
+  end
+
+  def unseen
+    return false if scope.blank?
+    return false if scope.user.blank?    
+    return false if object.user_data.present?
+    return false if object.created_at < scope.user.created_at
+
+    # Only mark things as new since your last visit
+    if scope.user.previous_visit_at.present?      
+      return false if object.created_at < scope.user.previous_visit_at
+    end
+
+
+    true
+  end
+
+  def last_read_post_number
+    object.user_data.last_read_post_number
+  end
+  alias :include_last_read_post_number? :seen
+
+  def unread
+    unread_helper.unread_posts
+  end
+  alias :include_unread? :seen
+
+  def new_posts
+    unread_helper.new_posts
+  end
+  alias :include_new_posts? :seen
+
+  protected
+
+    def unread_helper
+      @unread_helper ||= Unread.new(object, object.user_data)
+    end
+
+end