From 9e78e499b2416f5412c5ddcba840305821e70437 Mon Sep 17 00:00:00 2001
From: Samuel Clay <samuel@ofbrooklyn.com>
Date: Thu, 15 Dec 2016 12:20:00 -0800
Subject: [PATCH] Cascading new story fetches on front-end to prevent stampede.

---
 media/js/newsblur/views/dashboard_river.js | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/media/js/newsblur/views/dashboard_river.js b/media/js/newsblur/views/dashboard_river.js
index 6afff9c0f..93660cc65 100644
--- a/media/js/newsblur/views/dashboard_river.js
+++ b/media/js/newsblur/views/dashboard_river.js
@@ -143,8 +143,15 @@ NEWSBLUR.Views.DashboardRiver = Backbone.View.extend({
             }
         }
         
-        console.log(['Fetching dashboard story', story_hash]);
-        NEWSBLUR.assets.add_dashboard_story(story_hash);
+        var feed_id = story_hash.split(':')[0];
+        var feed = NEWSBLUR.assets.get_feed(feed_id);
+        var subs = feed.get('num_subscribers');
+        var delay = subs * 2; // 1,000 subs = 2 seconds
+        console.log(['Fetching dashboard story', story_hash, delay + 'ms delay']);
+        
+        _.delay(function() {
+            NEWSBLUR.assets.add_dashboard_story(story_hash);
+        }, Math.random() * delay);
         
     }