From 112bdcf2d0c4825b05d85fac637f00241d4af7de Mon Sep 17 00:00:00 2001
From: Jeremy Zhang <jkzhang@uw.edu>
Date: Sat, 15 Apr 2017 07:14:09 +0000
Subject: [PATCH] Stop fetching when already is fetching

---
 titanembeds/static/js/embed.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/titanembeds/static/js/embed.js b/titanembeds/static/js/embed.js
index 8a5d0d7..e5aa108 100644
--- a/titanembeds/static/js/embed.js
+++ b/titanembeds/static/js/embed.js
@@ -8,6 +8,7 @@
 (function () {
     var logintimer; // timer to keep track of user inactivity after hitting login
     var fetchtimeout; // fetch routine timer
+    var currently_fetching; // fetch lock- if true, do not fetch
     var last_message_id; // last message tracked
     var selected_channel = guild_id; // user selected channel, defaults to #general channel
     var guild_channels = {}; // all server channels used to highlight channels in messages
@@ -200,7 +201,7 @@
         }
         guild_members_arr.sort(function(a, b) {
           return parseInt(b.position) - parseInt(a.position);
-        })
+        });
         var template_role = $('#mustache_memberrole').html();
         Mustache.parse(template_role);
         var template_user = $('#mustache_authedusers').html();
@@ -388,6 +389,10 @@
     }
 
     function run_fetch_routine() {
+        if (currently_fetching) {
+            return;
+        }
+        currently_fetching = true;
         var channel_id = selected_channel;
         var fet;
         var jumpscroll;
@@ -432,6 +437,9 @@
               fetchtimeout = setTimeout(run_fetch_routine, 10000);
           }
         });
+        fet.always(function() {
+            currently_fetching = false;
+        });
     }
 
     function update_embed_userchip(authenticated, avatar, username, userid, discrim=null) {