From d34fe197542264c293642cde1baafe21028b31f0 Mon Sep 17 00:00:00 2001
From: cuom1999 <lephuocdinh99@gmail.com>
Date: Fri, 25 Aug 2023 16:04:07 -0500
Subject: [PATCH] Check for email exists during verification

---
 judge/views/email.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/judge/views/email.py b/judge/views/email.py
index 922b74f..56c43b9 100644
--- a/judge/views/email.py
+++ b/judge/views/email.py
@@ -80,10 +80,9 @@ def verify_email_view(request, uidb64, token):
     except (TypeError, ValueError, OverflowError, User.DoesNotExist):
         user = None
     if user is not None and default_token_generator.check_token(user, token):
-        # Update the user's email address
         profile = Profile.objects.get(user=user)
         new_email = profile.email_change_pending
-        if new_email:
+        if new_email and not User.objects.filter(email=new_email).exists():
             user.email = new_email
             profile.email_change_pending = None
             user.save()