From 144d936141a552ebc383f8b82b5db960ca77b3ca Mon Sep 17 00:00:00 2001
From: Paulo Jorge Reis <paulojreis@gmail.com>
Date: Mon, 8 Apr 2019 11:19:20 +0100
Subject: [PATCH] Merge pull request #1691 from sharelatex/cmg-tag-duplicates

Stop duplicate tags being created

GitOrigin-RevId: 7e2b4228dc6ec7ebc2a4e30e18a6d5dcbd5cb6c8
---
 .../web/public/src/main/project-list/project-list.js   | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/services/web/public/src/main/project-list/project-list.js b/services/web/public/src/main/project-list/project-list.js
index 91e9fa947d..50a242b1dc 100644
--- a/services/web/public/src/main/project-list/project-list.js
+++ b/services/web/public/src/main/project-list/project-list.js
@@ -403,8 +403,14 @@ define(['base'], function(App) {
       })
 
       return modalInstance.result.then(function(tag) {
-        $scope.tags.push(tag)
-        return $scope.addSelectedProjectsToTag(tag)
+        const tagIsDuplicate = $scope.tags.find(function(existingTag) {
+          return tag.name === existingTag.name
+        })
+
+        if (!tagIsDuplicate) {
+          $scope.tags.push(tag)
+          return $scope.addSelectedProjectsToTag(tag)
+        }
       })
     }