From 6f900b2fe6b2040a83701933b2a30af6b1f3cbb8 Mon Sep 17 00:00:00 2001
From: white <122345776@umail.ucc.ie>
Date: Mon, 3 Mar 2025 11:43:15 +0000
Subject: [PATCH] UPDATE: Ensured primary key in newsletter cannot be
 duplicated

---
 web_server/utils/email.py | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/web_server/utils/email.py b/web_server/utils/email.py
index f647005..79bc644 100644
--- a/web_server/utils/email.py
+++ b/web_server/utils/email.py
@@ -30,7 +30,6 @@ def send_email(email, func) -> None:
 
     # Setup up the receiver details
     body, subject = func()
-    print(subject, flush=True)
 
     msg = MIMEText(body, "html")
     msg["Subject"] = subject
@@ -159,7 +158,20 @@ def newsletter_conf(email):
     </html>
     """
 
-    add_to_newsletter(email)
+    # Check if user is already in database
+    db = Database()
+    db.create_connection()
+
+    user_exists = db.fetchone("""
+                            SELECT *
+                            FROM newsletter
+                            WHERE email = ?;""", 
+                            (email,))
+    print(user_exists, flush=True)
+    db.close_connection()
+
+    if user_exists is None:
+        add_to_newsletter(email)
 
     return content, "Gander - Newsletter"