Some refactoring, and make possible to remove own comments

app/assets/javascripts/backbone/models/comment.js.coffee

@@ -1,5 +1,8 @@
 class AsciiIo.Models.Comment extends Backbone.Model
 
+  user: ->
+    this.get('user')
+
 class AsciiIo.Collections.Comments extends Backbone.Collection
   model: AsciiIo.Models.Comment
 

app/assets/javascripts/backbone/templates/comments/show.jst.hbs

@@ -10,4 +10,8 @@
   <div class="body">{{body}}</div>
 </div>
 
+{{#if show_remove_link}}
+<a href="#" class="remove">remove</a>
+{{/if}}
+
 <div class="clear"></div>

app/assets/javascripts/backbone/views/base.js.coffee

@@ -0,0 +1,4 @@
+class AsciiIo.Views.Base extends Backbone.View
+
+  current_user: ->
+    AsciiIo.current_user

app/assets/javascripts/backbone/views/comments/comment_entry.js.coffee

@@ -1,10 +1,28 @@
-class AsciiIo.Views.CommentEntry extends Backbone.View
+class AsciiIo.Views.CommentEntry extends AsciiIo.Views.Base
 
   template: JST['backbone/templates/comments/show']
   tagName: 'li'
   className: 'comment'
 
-  render: ->
-    $(@el).html(@template(@model.toJSON()))
+  events:
+    'click .remove': 'removeComment'
+
+  initialize:(options) ->
+    @collection = options.collection
 
+  render: ->
+    context = _.extend(@model.toJSON(), { show_remove_link: @showRemoveLink() })
+    $(@el).html @template(context)
     this
+
+  showRemoveLink: ->
+    @current_user() && ( @current_user().id == @model.user().id )
+
+  removeComment: (event) ->
+    event.preventDefault()
+    @model.destroy
+      wait: true
+      success: =>
+        $(this.el).slideUp("slow", =>
+          this.remove()
+        )

app/assets/javascripts/backbone/views/comments/comments_index.js.coffee

@@ -1,4 +1,4 @@
-class AsciiIo.Views.CommentsIndex extends Backbone.View
+class AsciiIo.Views.CommentsIndex extends AsciiIo.Views.Base
 
   el: '#comments'
   template: JST['backbone/templates/comments/index']
@@ -10,14 +10,12 @@ class AsciiIo.Views.CommentsIndex extends Backbone.View
     @collection.on('reset', @render, this)
     @collection.on('add', @render, this)
 
-    @current_user = AsciiIo.current_user
-
   render: ->
     $(@el).html @template( show_form: @current_user )
 
     $comments = this.$('.comments')
 
-    @collection.each (comment) ->
+    @collection.each (comment) =>
       view = new AsciiIo.Views.CommentEntry({ model: comment, collection: @collection})
       $comments.append view.render().el
 

app/models/comment.rb

@@ -17,7 +17,7 @@ class Comment < ActiveRecord::Base
     super({
       :include => {
         :user => {
-          :only => [ :nickname, :avatar_url ]
+          :only => [ :id, :nickname, :avatar_url ]
          }
        },
        :methods => [:created]

app/views/asciicasts/show.html.erb

@@ -26,7 +26,7 @@
     var comments = new AsciiIo.Collections.Comments();
     var asciicast_id = <%= @asciicast.id %>
 
-    comments.url = ['/api/asciicasts/', asciicast_id, '/comments.json'].join('');
+    comments.url = ['/api/asciicasts/', asciicast_id, '/comments'].join('');
     comments.fetch();
 
     view = new AsciiIo.Views.CommentsIndex({ collection: comments });

app/views/layouts/_current_user_js.html.erb

@@ -1,5 +1,5 @@
 <script type="text/javascript">
   jQuery(document).ready(function(){
-    AsciiIo.current_user = <%= raw current_user.to_json(:only => [:nickname, :avatar_url]) %>;
+    AsciiIo.current_user = <%= raw current_user.to_json(:only => [:id, :nickname, :avatar_url]) %>;
   });
 </script>

spec/models/comment_spec.rb

@@ -14,16 +14,12 @@ describe Comment do
       comment.user = user
     end
 
-    it "should include user.gravatar_url" do
-      hash = comment.as_json
-      hash.should include(:user)
-      hash[:user].should include("avatar_url")
-    end
-
-    it "should include user.nickname" do
+    it "should include user comment creator properties user" do
       hash = comment.as_json
       hash.should include(:user)
       hash[:user].should include("nickname")
+      hash[:user].should include("avatar_url")
+      hash[:user].should include("id")
     end
 
     it "should include comment.created" do