* Continued work on improving post view templates

* Added statistics-based estimator for related tag calculator
* Fleshed out IpBan class based on changes to Danbooru 1.xx

app/controllers/comments_controller.rb

@@ -1,7 +1,27 @@
 class CommentsController < ApplicationController
+  respond_to :html, :xml, :json
+
   def index
   end
   
   def update
+    @comment = Comment.find(params[:id])
+    @comment.update_attributes(params[:comment])
+    respond_with(@comment)
+  end
+  
+  def create
+    @comment = Comment.new(params[:comment])
+    @comment.post_id = params[:comment][:post_id]
+    @comment.creator_id = @current_user.id
+    @comment.ip_addr = request.remote_ip
+    @comment.score = 0
+    @comment.save
+    respond_with(@comment) do |format|
+      format.html do
+        flash[:notice] = "Comment posted"
+        redirect_to posts_path(@comment.post)
+      end
+    end
   end
 end