no senti que avanzo nada. problemas con comentarios polimorficos

AskBeaver/app/controllers/comments_controller.rb

@@ -1,2 +1,24 @@
 class CommentsController < ApplicationController
+	def index
+		@question_answer = find_question_answer
+		@comments = @question_answer.comments
+	end
+
+	def create
+		@question_answer = find_question_answer
+		@comment = @question_answer.comments.create(params[:comment])
+		redirect_to polymorphic_path[@question_answer, Comment]
+	end
+
+	private
+
+	def find_question_answer
+		params.each do |name, value|
+			if name =~ /(.+)_id$/
+				return $1.classify.constantize.find(value)
+			end
+		end
+		nil
+	end
+
 end

AskBeaver/app/controllers/questions_controller.rb

@@ -14,7 +14,6 @@ def index
   # GET /questions/1.json
   def show
     @question = Question.find(params[:id])
-
     respond_to do |format|
       format.html # show.html.erb
       format.json { render json: @question }

AskBeaver/app/models/answer.rb

@@ -1,6 +1,6 @@
 class Answer < ActiveRecord::Base
   belongs_to :question
   attr_accessible :content
-  has_many :comments, :as => :question_answer, :dependent => :destroy
+  has_many :comments, :as => :question_answer
 
 end

AskBeaver/app/models/question.rb

@@ -1,5 +1,5 @@
 class Question < ActiveRecord::Base
   attr_accessible :content, :title
-  has_many :answers, :dependent => :destroy
-  has_many :comments, :as => :question_answer, :dependent => :destroy
+  has_many :answers
+  has_many :comments, :as => :question_answer
 end

AskBeaver/app/views/questions/show.html.erb

@@ -10,21 +10,50 @@
   <%= @question.content %>
 </p>
 
+<!-- COMENTARIOS CORRESPONDIENTES A UNA PREGUNTA -->
+<p>
+
+
+<h2>Comments</h2>
+<% @question.comments.each do |comment| %>
+  <p>
+    <b>Comment:</b>
+    <%= comment.content %>
+  </p> 
+<% end %>
+
+<!-- CREACION DE UN NUEVO COMENTARIO -->
+
+
+<h2>Add a comment:</h2>
+<%= form_for([@question_answer, Comment.new]) do |f| %>
+  <div class="field">
+    <%= f.label :content %><br />
+    <%= f.text_field :content %>
+  </div>
+  <div class="actions">
+    <%= f.submit %>
+  </div>
+<% end %>
+
+<!-- RESPUESTAS -->
+
 <h2>Answers</h2>
 <% @question.answers.each do |answer| %>
   <p>
     <b>Answer:</b>
     <%= answer.content %>
-  </p>
-
+  </p>  
   <p>
   <%= link_to 'Destroy Answer', [answer.question, answer],
                :confirm => 'Are you sure?',
                :method => :delete %>
   </p>
+
+
 <% end %>
 
-<h2>Add a answer:</h2>
+ <h2>Add a answer:</h2>
 <%= form_for([@question, @question.answers.build]) do |f| %>
   <div class="field">
     <%= f.label :content %><br />
@@ -37,4 +66,4 @@
 
 
 <%= link_to 'Edit', edit_question_path(@question) %> |
-<%= link_to 'Back', questions_path %>
+<%= link_to 'Back', questions_path %>