note submitters in keystore

app/models/comment.rb

@@ -10,7 +10,7 @@ class Comment < ActiveRecord::Base
     :indent_level
 
   before_create :assign_short_id_and_upvote
-  after_create :assign_votes
+  after_create :assign_votes, :mark_submitter
   after_destroy :unassign_votes
 
   MAX_EDIT_MINS = 45
@@ -50,6 +50,10 @@ class Comment < ActiveRecord::Base
     self.story.update_comment_count!
   end
 
+  def mark_submitter
+    Keystore.increment_value_for("user:#{self.user_id}:comments_posted")
+  end
+
   # http://evanmiller.org/how-not-to-sort-by-average-rating.html
   # https://github.com/reddit/reddit/blob/master/r2/r2/lib/db/_sorts.pyx
   def confidence

app/models/story.rb

@@ -20,6 +20,7 @@ class Story < ActiveRecord::Base
 
   after_save :deal_with_tags
   before_create :assign_short_id
+  after_create :mark_submitter
 
   validate do
     if self.url.present?
@@ -57,6 +58,10 @@ class Story < ActiveRecord::Base
     end
   end
 
+  def mark_submitter
+    Keystore.increment_value_for("user:#{self.user_id}:stories_submitted")
+  end
+
   def deal_with_tags
     (self.tags_to_delete || []).each do |t|
       if t.is_a?(Tagging)