bug-fix: Do not prematurely expire keys

Previously keys would be expired after 30 days even if the Stripe
subscription were still active. Now they will only be expired 30 days
after the last payment/cancellation in Stripe.

Author: PhiRho

app/core/worker.py

@@ -432,7 +432,8 @@ async def monitor_teams(db: Session):
             # Get all keys for the team grouped by region
             keys_by_region = get_team_keys_by_region(db, team.id)
             expire_keys = False
-            if days_remaining <= 0 and should_send_notifications:
+            # If the team has a product, expiry will be handled by a Stripe cancellation
+            if not has_products and days_remaining <= 0 and should_send_notifications:
                 expire_keys = True
 
             # Monitor keys and get total spend