From 390bc24c1cf18063be67b3c9f565ed874ed0a2a8 Mon Sep 17 00:00:00 2001
From: ivan1548 <47206132+ivan1548@users.noreply.github.com>
Date: Mon, 25 Feb 2019 07:35:49 -0800
Subject: [PATCH] Remove duplicates from history (#216)

---
 src/js/history.js | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/js/history.js b/src/js/history.js
index 750f141ff..784435d79 100644
--- a/src/js/history.js
+++ b/src/js/history.js
@@ -30,7 +30,20 @@ function addToHistory(videoId){
     videoId: videoId,
     timeWatched: new Date().getTime(),
   };
-  historyDb.insert(data, (err, newDoc) => {});
+
+  historyDb.findOne({ videoId: videoId }, function (err, doc) {
+    if(doc === null) {
+      historyDb.insert(data, (err, newDoc) => {});
+    } else {
+      historyDb.update(
+        { videoId: videoId }, 
+        { 
+          $set: {
+            timeWatched: data.timeWatched,
+          } 
+        }, {}, (err, newDoc) => {});
+    }
+  });
 }
 
 /**