stuff changed:

- ui has been made 'kinda better' (after making it worse for a while lol
- ESP rfid readers are now supported [ill upload the code for them in another repo later]
- admin system has been secured a bit better and seems to be working well

backend/app/api/v1/payments.py

@@ -5,6 +5,7 @@ from datetime import datetime, timedelta
 from dateutil.relativedelta import relativedelta
 
 from ...core.database import get_db
+from ...core.datetime import unix_ms_utc, utc_now
 from ...models.models import Payment, PaymentStatus, PaymentMethod, User, Membership, MembershipStatus, MembershipTier
 from ...schemas import (
     PaymentCreate, PaymentUpdate, PaymentResponse, MessageResponse,
@@ -121,7 +122,7 @@ async def update_payment(
     
     # If marking as completed, set payment_date if not already set
     if update_data.get("status") == PaymentStatus.COMPLETED and not payment.payment_date:
-        update_data["payment_date"] = datetime.utcnow()
+        update_data["payment_date"] = utc_now()
     
     for field, value in update_data.items():
         setattr(payment, field, value)
@@ -182,7 +183,7 @@ async def process_square_payment(
         )
     
     # Create a reference ID for tracking
-    reference_id = f"user_{current_user.id}_tier_{tier.id}_{datetime.utcnow().timestamp()}"
+    reference_id = f"user_{current_user.id}_tier_{tier.id}_{unix_ms_utc(utc_now())}"
     
     # Process payment with Square
     square_result = await square_service.create_payment(
@@ -204,7 +205,7 @@ async def process_square_payment(
     # Payment succeeded - create membership and payment records in a transaction
     try:
         # Calculate membership dates
-        start_date = datetime.utcnow().date()
+        start_date = utc_now().date()
         end_date = start_date + relativedelta(years=1)
         
         # Create membership with ACTIVE status
@@ -226,7 +227,7 @@ async def process_square_payment(
             payment_method=PaymentMethod.SQUARE,
             status=PaymentStatus.COMPLETED,
             transaction_id=square_result.get('payment_id'),
-            payment_date=datetime.utcnow(),
+            payment_date=utc_now(),
             notes=payment_request.note
         )
         db.add(payment)
@@ -389,7 +390,7 @@ async def record_manual_payment(
         payment_method=payment_data.payment_method,
         notes=payment_data.notes,
         status=PaymentStatus.COMPLETED,
-        payment_date=datetime.utcnow()
+        payment_date=utc_now()
     )
     
     db.add(payment)