Use form_tag, not form_for, in _new_comment

app/controllers/comments_controller.rb

@@ -10,8 +10,8 @@ class CommentsController < ApplicationController
   respond_to :json, :only => :show
 
   def create
-    target = current_user.find_visible_post_by_id params[:comment][:post_id]
-    text = params[:comment][:text]
+    target = current_user.find_visible_post_by_id params[:post_id]
+    text = params[:text]
 
     @comment = current_user.build_comment(text, :on => target)
 

app/views/comments/_new_comment.html.haml

@@ -2,10 +2,10 @@
 -#   licensed under the Affero General Public License version 3 or later.  See
 -#   the COPYRIGHT file.
 
-= form_for Comment.new, :html => {:id => "new_comment_on_#{post_id}" }, :remote => true do |comment|
+= form_tag( comments_path, :id => "new_comment_on_#{post_id}" , :remote => true) do
   %p
     = label_tag "comment_text_on_#{post_id}", t('.comment')
-    = comment.text_area :text, :rows => 1, :id => "comment_text_on_#{post_id}", :class => "comment_box"
-  = comment.hidden_field :post_id, :id => "post_id_on_#{post_id}", :value => post_id
-  = comment.submit t('.comment'), :id => "comment_submit_#{post_id}", :class => "comment_submit button", :disable_with => t('.commenting')
-  
+    = text_area_tag :text, nil, :rows => 1, :class => "comment_box",:id => "comment_text_on_#{post_id}"
+  = hidden_field_tag :post_id,  post_id, :id => "post_id_on_#{post_id}"
+  = submit_tag t('.comment'), :id => "comment_submit_#{post_id}", :class => "comment_submit button", :disable_with => t('.commenting')
+

spec/controllers/comments_controller_spec.rb

@@ -20,9 +20,8 @@ describe CommentsController do
 
   describe '#create' do
     let(:comment_hash) {
-      {:comment =>{
-        :text =>"facebook, is that you?", 
-        :post_id =>"#{@post.id}"}}
+      {:text    =>"facebook, is that you?", 
+       :post_id =>"#{@post.id}"}
     }
 
     context "on a post from a contact" do
@@ -36,13 +35,13 @@ describe CommentsController do
       end
       it "doesn't overwrite person_id" do
         new_user = make_user
-        comment_hash[:comment][:person_id] = new_user.person.id.to_s
+        comment_hash[:person_id] = new_user.person.id.to_s
         post :create, comment_hash
-        Comment.find_by_text(comment_hash[:comment][:text]).person_id.should == user.person.id
+        Comment.find_by_text(comment_hash[:text]).person_id.should == user.person.id
       end
       it "doesn't overwrite id" do
         old_comment = user.comment("hello", :on => @post)
-        comment_hash[:comment][:id] = old_comment.id
+        comment_hash[:id] = old_comment.id
         post :create, comment_hash
         old_comment.reload.text.should == 'hello'
       end