Update.

mywebdav/billing/invoice_generator.py

@@ -1,4 +1,4 @@
-from datetime import datetime, date, timedelta
+from datetime import datetime, date, timedelta, timezone
 from decimal import Decimal
 from typing import Optional
 from calendar import monthrange
@@ -182,6 +182,6 @@ The MyWebdav Team
     @staticmethod
     async def mark_invoice_paid(invoice: Invoice) -> Invoice:
         invoice.status = "paid"
-        invoice.paid_at = datetime.utcnow()
+        invoice.paid_at = datetime.now(timezone.utc)
         await invoice.save()
         return invoice

mywebdav/billing/models.py

@@ -69,7 +69,7 @@ class Invoice(models.Model):
     user = fields.ForeignKeyField("models.User", related_name="invoices")
     invoice_number = fields.CharField(max_length=50, unique=True)
     stripe_invoice_id = fields.CharField(max_length=255, unique=True, null=True)
-    period_start = fields.DateField(index=True)
+    period_start = fields.DateField(db_index=True)
     period_end = fields.DateField()
     subtotal = fields.DecimalField(max_digits=10, decimal_places=4)
     tax = fields.DecimalField(max_digits=10, decimal_places=4, default=0)

mywebdav/billing/usage_tracker.py

@@ -1,5 +1,5 @@
 import uuid
-from datetime import datetime, date
+from datetime import datetime, date, timezone
 from decimal import Decimal
 from typing import Optional
 from tortoise.transactions import in_transaction
@@ -15,7 +15,7 @@ class UsageTracker:
         resource_id: int = None,
         metadata: dict = None
     ):
-        idempotency_key = f"storage_{user.id}_{datetime.utcnow().timestamp()}_{uuid.uuid4().hex[:8]}"
+        idempotency_key = f"storage_{user.id}_{datetime.now(timezone.utc).timestamp()}_{uuid.uuid4().hex[:8]}"
 
         await UsageRecord.create(
             user=user,
@@ -37,7 +37,7 @@ class UsageTracker:
         metadata: dict = None
     ):
         record_type = f"bandwidth_{direction}"
-        idempotency_key = f"{record_type}_{user.id}_{datetime.utcnow().timestamp()}_{uuid.uuid4().hex[:8]}"
+        idempotency_key = f"{record_type}_{user.id}_{datetime.now(timezone.utc).timestamp()}_{uuid.uuid4().hex[:8]}"
 
         await UsageRecord.create(
             user=user,