only load photos for a post if photos_count > 0; display 'limited' or 'public' in stream elements; fix small like bug in stream

app/models/post.rb

@@ -31,7 +31,13 @@ class Post < ActiveRecord::Base
     t.add :root
     t.add :o_embed_cache
     t.add :user_like
-    t.add :photos
+    t.add lambda { |post|
+      if post.photos_count > 0
+        post.photos
+      else
+        []
+      end
+    }, :as => :photos
   end
 
   xml_attr :provider_display_name

app/views/templates/feedback.jst

@@ -1,4 +1,9 @@
 <div class="info">
+  <span class="post_scope">
+    <%= public ? "Public" : "Limited" %>
+  </span>
+  –
+
   <a href="#" class="like_action" rel='nofollow'>
     <%= user_like ? "Unlike" : "Like" %>
   </a>

lib/stream/base.rb

@@ -114,7 +114,9 @@ class Stream::Base
   protected
   # @return [void]
   def like_posts_for_stream!(posts)
-    likes = Like.where(:target_id => posts.map(&:id), :target_type => "Post")
+    return posts unless @user
+
+    likes = Like.where(:author_id => @user.person.id, :target_id => posts.map(&:id), :target_type => "Post")
 
     like_hash = likes.inject({}) do |hash, like|
       hash[like.target_id] = like

spec/javascripts/app/views/feedback_view_spec.js

@@ -13,61 +13,63 @@ describe("app.views.Feedback", function(){
       this.link = function(){ return this.view.$(".like_action"); }
     })
 
-    context("when the user likes the post", function(){
-      beforeEach(function(){
-        this.view.render();
+    context("likes", function(){
+      context("when the user likes the post", function(){
+        beforeEach(function(){
+          this.view.render();
+        })
+
+        it("the like action should be 'Unlike'", function(){
+          expect(this.link().text()).toContain('Unlike');
+        })
+
+        it("removes like when Unlike is clicked", function() {
+          var likeModel = new app.models.Like(this.view.model.get("user_like"));
+          spyOn(this.view.model.likes, "get").andReturn(likeModel);
+          spyOn(likeModel, "destroy");
+
+          this.link().click();
+          expect(likeModel.destroy).toHaveBeenCalled();
+        })
       })
 
-      it("the like action should be 'Unlike'", function(){
-        expect(this.link().text()).toContain('Unlike');
-      })
+      context("when the user doesn't yet like the post", function(){
+        beforeEach(function(){
+          this.view.model.set({user_like : null});
+          this.view.render();
+        })
 
-      it("removes like when Unlike is clicked", function() {
-        var likeModel = new app.models.Like(this.view.model.get("user_like"));
-        spyOn(this.view.model.likes, "get").andReturn(likeModel);
-        spyOn(likeModel, "destroy");
+        it("contains a .like_action", function(){
+          expect($(this.view.el).html()).toContain("like_action");
+        })
 
-        this.link().click();
-        expect(likeModel.destroy).toHaveBeenCalled();
-      })
-    })
+        it("the like action should be 'Like'", function(){
+          expect(this.link().text()).toContain('Like');
+        })
 
-    context("when the user doesn't yet like the post", function(){
-      beforeEach(function(){
-        this.view.model.set({user_like : null});
-        this.view.render();
-      })
+        it("allows for unliking a just-liked post", function(){
+          var like = new app.models.Like({id : 2});
 
-      it("contains a .like_action", function(){
-        expect($(this.view.el).html()).toContain("like_action");
-      })
+          spyOn(this.post.likes, "create").andReturn(like);
 
-      it("the like action should be 'Like'", function(){
-        expect(this.link().text()).toContain('Like');
-      })
+          expect(this.link().text()).toContain('Like');
+          this.link().click();
 
-      it("allows for unliking a just-liked post", function(){
-        var like = new app.models.Like({id : 2});
+          this.view.render();
+          expect(this.link().text()).toContain('Unlike');
 
-        spyOn(this.post.likes, "create").andReturn(like);
+          // spying + stubbing for destroy
+          var likeModel = new app.models.Like(this.view.model.get("user_like"));
+          spyOn(this.view.model.likes, "get").andReturn(likeModel);
+          spyOn(likeModel, "destroy").andReturn(function(){
+            this.view.model.set({user_like : null})
+          });
 
-        expect(this.link().text()).toContain('Like');
-        this.link().click();
+          this.link().click();
 
-        this.view.render();
-        expect(this.link().text()).toContain('Unlike');
-
-        // spying + stubbing for destroy
-        var likeModel = new app.models.Like(this.view.model.get("user_like"));
-        spyOn(this.view.model.likes, "get").andReturn(likeModel);
-        spyOn(likeModel, "destroy").andReturn(function(){
-          this.view.model.set({user_like : null})
-        });
-
-        this.link().click();
-
-        this.view.render();
-        expect(this.link().text()).toContain('Like');
+          this.view.render();
+          expect(this.link().text()).toContain('Like');
+        })
       })
     })
 
@@ -77,6 +79,10 @@ describe("app.views.Feedback", function(){
         this.view.render();
       })
 
+      it("shows 'Public'", function(){
+        expect($(this.view.el).html()).toContain('Public')
+      })
+
       it("shows a reshare_action link", function(){
         expect($(this.view.el).html()).toContain('reshare_action')
       });
@@ -96,6 +102,10 @@ describe("app.views.Feedback", function(){
         this.view.render();
       })
 
+      it("shows 'Limited'", function(){
+        expect($(this.view.el).html()).toContain('Limited')
+      })
+
       it("does not show a reshare_action link", function(){
         expect($(this.view.el).html()).not.toContain('reshare_action');
       });