get the comments as json

models/comment.rb

@@ -12,4 +12,14 @@ class Comment
   validates_presence_of :author, :email, :body
   validates_length_of   :email,  :min => 3, :max => 100
   validates_format_of   :email,  :with => :email_address
+
+  # overwrite the default to_json, because we don't need all fields
+  def to_json ressource_options
+    {
+      :id => id,
+      :post_id => post.id,
+      :author => author,
+      :body => body
+    }
+  end
 end

models/post.rb

@@ -15,4 +15,8 @@ class Post
   def self.get_released id
     first(:id => id, :released => true)
   end
+
+  def acknowledged_comments
+    comments(:acknowledged => true)
+  end
 end

page.rb

@@ -19,6 +19,10 @@ class Blog < Sinatra::Base
     end
   end
 
+  get '/post/:id/comment.json' do
+    Post.get_released(params[:id]).acknowledged_comments.to_json
+  end
+
   get '/stylesheet.css' do
     scss :stylesheet
   end