Fix notification email in case only expiry-TTL changes

README.md

@@ -452,6 +452,7 @@ Templates use Jinja2 syntax. Available variables:
 | ipv6_changed | Boolean, IPv6 changed |
 | ipv6 | Current IPv6 address |
 | last_ipv6_update | Last IPv6 update time |
+| expiry_ttl_changed | Boolean, Expiry-TTL changed |
 | expiry_ttl | Expiry TTL in seconds |
 
 **Expiry notification:**

files/change_notification.j2

@@ -7,3 +7,6 @@ IPv4 address: {{ipv4}} (changed at: {{last_ipv4_update}})
 {% if ipv6_changed %}
 IPv6 address: {{ipv6}} (changed at: {{last_ipv6_update}})
 {% endif %}
+{% if expiry_ttl_changed %}
+Expiry-TTL: {{expiry_ttl}}
+{% endif %}

src/ddns_service/email.py

@@ -98,7 +98,8 @@ class EmailService:
         email,
         hostname,
         ipv4_changed,
-        ipv6_changed
+        ipv6_changed,
+        expiry_ttl_changed
     ):
         """
         Send hostname changed notification email.
@@ -131,6 +132,7 @@ class EmailService:
             "ipv6_changed": ipv6_changed,
             "ipv6": hostname.last_ipv6,
             "last_ipv6_update": datetime_str(hostname.last_ipv6_update),
+            "expiry_ttl_changed": expiry_ttl_changed,
             "expiry_ttl": hostname.expiry_ttl,
         }
 

src/ddns_service/server.py

@@ -659,7 +659,8 @@ class DDNSRequestHandler(BaseHTTPRequestHandler):
                     hostname.user.email,
                     hostname,
                     ipv4_changed,
-                    ipv6_changed
+                    ipv6_changed,
+                    expiry_ttl_changed
                 )
             except Exception as e:
                 logging.error(f"Sending change notification error: {e}")