Fixed 4903 and not render vote form when user is not logged

app/assets/javascripts/app/views/poll_view.js

@@ -10,6 +10,16 @@ app.views.Poll = app.views.Base.extend({
     this.model.bind('change', this.render, this);
   },
 
+  presenter: function(){
+    var defaultPresenter = this.defaultPresenter();
+    var show_form = defaultPresenter.loggedIn && 
+                    !this.model.attributes.already_participated_in_poll;
+
+    return _.extend(defaultPresenter, {
+      show_form: show_form 
+    });
+  },
+
   postRenderTemplate: function() {
     this.poll = this.model.attributes.poll;
     this.setProgressBar();

app/assets/templates/poll_tpl.jst.hbs

@@ -7,7 +7,7 @@
       </div>
     </div>
     <div class="row-fluid poll_content">
-      {{#unless already_participated_in_poll}}
+      {{#if show_form}}
         <form action="/posts/{{poll.post_id}}/poll_participations" method="POST">
           {{#poll.poll_answers}}
             <label class="radio result-row">
@@ -36,7 +36,7 @@
             </div>
           </div>
         {{/poll.poll_answers}}
-      {{/unless}}
+      {{/if}}
     </div>
   </div>
 {{/if}}

app/presenters/post_presenter.rb

@@ -77,7 +77,7 @@ def user_signed_in?
   private
 
   def already_participated_in_poll
-    if @post.poll
+    if @post.poll && user_signed_in?
       @post.poll.already_participated?(current_user)
     end
   end

spec/javascripts/app/views/poll_view_spec.js

@@ -33,5 +33,21 @@ describe("app.views.Poll", function(){
       expect(obj.poll_id).toBe(poll.poll_id);
       expect(obj.poll_answer_id).toBe(answer.id);
     })
-  })
+  });
+
+  describe("vote form", function(){
+    it('show vote form when user is logged in and not voted before', function(){
+      expect(this.view.$('form').length).toBe(1);
+    });
+    it('hide vote form when user voted before', function(){
+      this.view.model.attributes.already_participated_in_poll = true;
+      this.view.render();
+      expect(this.view.$('form').length).toBe(0);
+    });
+    it("hide vote form when user not logged in", function(){
+      logout();
+      this.view.render();
+      expect(this.view.$('form').length).toBe(0);
+    });
+  });
 });

spec/presenters/post_presenter_spec.rb

@@ -3,6 +3,7 @@
 describe PostPresenter do
   before do
     @sm = FactoryGirl.create(:status_message, :public => true)
+    @sm_with_poll = FactoryGirl.create(:status_message_with_poll, public: true)
     @presenter = PostPresenter.new(@sm, bob)
     @unauthenticated_presenter = PostPresenter.new(@sm)
   end
@@ -96,4 +97,11 @@
       end
     end
   end
+
+  describe '#poll' do
+    it 'works without a user' do
+      presenter = PostPresenter.new(@sm_with_poll)
+      presenter.as_json.should be_a(Hash)
+    end
+  end
 end