initial commit for attempt at deep search with built in indexing

models/comment.rb

@@ -20,6 +20,7 @@ class Comment < Content
 
   belongs_to :comment_thread, index: true
   belongs_to :author, class_name: "User", index: true
+  after_save :update_thread_index
 
   attr_accessible :body, :course_id, :anonymous, :anonymous_to_peers, :endorsed
 
@@ -103,4 +104,10 @@ private
     self.comment_thread.update_attributes!(last_activity_at: Time.now.utc)
   end
 
+  def update_thread_index
+    #after each save of a comment, update it's thread's search index
+    #t = self.comment_thread
+    tire.update_index
+  end
+
 end

models/comment_thread.rb

@@ -46,10 +46,13 @@ class CommentThread < Content
     indexes :author_id, type: :string, as: 'author_id', index: :not_analyzed, included_in_all: false
     indexes :group_id, type: :integer, as: 'group_id', index: :not_analyzed, included_in_all: false
     #indexes :pinned, type: :boolean, as: 'pinned', index: :not_analyzed, included_in_all: false
+    indexes :comments do
+      indexes :body, analyzer: 'snowball'
+    end
   end
 
   belongs_to :author, class_name: "User", inverse_of: :comment_threads, index: true#, autosave: true
-  has_many :comments, dependent: :destroy#, autosave: true# Use destroy to envoke callback on the top-level comments TODO async
+  has_many :comments, dependent: :destroy #, autosave: true# Use destroy to envoke callback on the top-level comments TODO async
   has_many :activities, autosave: true
 
   attr_accessible :title, :body, :course_id, :commentable_id, :anonymous, :anonymous_to_peers, :closed