From 82218fd7cba89c9b2eda06f70660d804d32d2ab5 Mon Sep 17 00:00:00 2001
From: Maxwell Salzberg <maxwell@joindiaspora.com>
Date: Wed, 23 May 2012 17:24:47 -0700
Subject: [PATCH] new stream now remembers how far you have scrolled.

also, jasmine is really cool.
---
 app/assets/javascripts/app/pages/stream.js | 15 ++++++++++++++-
 app/assets/javascripts/app/router.js       |  1 +
 spec/javascripts/app/pages/stream_spec.js  | 20 +++++++++++++++++++-
 3 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/app/assets/javascripts/app/pages/stream.js b/app/assets/javascripts/app/pages/stream.js
index 578b1c6fb..06bf43a08 100644
--- a/app/assets/javascripts/app/pages/stream.js
+++ b/app/assets/javascripts/app/pages/stream.js
@@ -29,5 +29,18 @@ app.pages.Stream = app.views.Base.extend({
 
   postRenderTemplate : function() {
     this.$("#header").css("background-image", "url(" + app.currentUser.get("wallpaper") + ")")
-  }
+    this.setUpHashChangeOnStreamLoad()
+  },
+
+  setUpHashChangeOnStreamLoad : function(){
+    var self = this;
+    this.streamView.on('loadMore', function(){
+      var post = this.stream.items.last();
+      self.navigateToPost(post)
+    });
+  },
+
+  navigateToPost : function(post){
+    app.router.navigate(location.pathname + "?ex=true&max_time=" + post.createdAt(), {replace: true})
+  },
 });
diff --git a/app/assets/javascripts/app/router.js b/app/assets/javascripts/app/router.js
index dcebdc820..88c544738 100644
--- a/app/assets/javascripts/app/router.js
+++ b/app/assets/javascripts/app/router.js
@@ -1,6 +1,7 @@
 app.Router = Backbone.Router.extend({
   routes: {
     //new hotness
+    "stream?ex=true:params": 'newStream',
     "stream?ex=true": 'newStream',
     "people/:id?ex=true": "newProfile",
     "posts/new" : "composer",
diff --git a/spec/javascripts/app/pages/stream_spec.js b/spec/javascripts/app/pages/stream_spec.js
index ae8ef89d2..4095ff0ab 100644
--- a/spec/javascripts/app/pages/stream_spec.js
+++ b/spec/javascripts/app/pages/stream_spec.js
@@ -10,7 +10,6 @@ describe("app.Pages.Stream", function(){
   describe('postRenderTemplate', function(){
     it("sets the background-image of #header", function(){
       this.page.render()
-      console.log(this.page.$('#header').css('background-image'))
       expect(this.page.$('#header').css('background-image')).toBeTruthy()
     })
 
@@ -34,4 +33,23 @@ describe("app.Pages.Stream", function(){
       })
     })
   })
+
+  describe("setUpHashChangeOnStreamLoad", function(){
+    it('calls navigateToPost on the loadMore event', function(){
+      spyOn(this.page, 'navigateToPost')
+      this.page.setUpHashChangeOnStreamLoad()
+      this.page.streamView.trigger('loadMore')
+      expect(this.page.navigateToPost).toHaveBeenCalled()
+    })
+  })
+
+  describe("navigateToPost", function(){
+    it("sets the max time of the url to the created at time of a post", function(){
+      spyOn(app.router, 'navigate')
+      this.page.navigateToPost(this.post)
+      var url = location.pathname + "?ex=true&max_time=" + this.post.createdAt()
+      var options =  {replace: true}
+      expect(app.router.navigate).toHaveBeenCalledWith(url, options)
+    })
+  })
 });
\ No newline at end of file