implement credit card listing

uncloud_net/models.py

@@ -6,7 +6,7 @@ from django.contrib.auth import get_user_model
 from django.core.validators import MinValueValidator, MaxValueValidator
 from django.core.exceptions import FieldError, ValidationError
 
-from uncloud_pay.models import Order
+from uncloud_pay.models import Order, Product
 
 class WireGuardVPNPool(models.Model):
     """
@@ -123,6 +123,19 @@ class WireGuardVPN(models.Model):
     def __str__(self):
         return f"{self.address} ({self.pool_index})"
 
+    def create_product(self):
+        """
+        Ensure we have a product for the WireguardVPN
+        """
+
+        pass
+
+        # Product.objects.get_or_create(
+        #     name="WireGuardVPN",
+        #     description="Wireguard VPN",
+        #     currency=Currency.CHF,
+        #     config=
+
 
 class WireGuardVPNFreeLeases(models.Model):
     """

uncloud_net/services.py

@@ -4,9 +4,24 @@ from .models    import *
 from .selectors import *
 from .tasks     import *
 
+
 @transaction.atomic
 def create_wireguard_vpn(owner, public_key, network_mask):
+    # Check if the user has a membership.
+    #------------------------------------
+    # If yes, user is eligible for API access and 2 VPNs
+    # If user already has 2 VPNs, we deduct from the credit
+    # If deduction is higher than the allowed credit, we fail
 
+
+    #
+    # Check if the user has suitable balance
+    # Create order
+    #
+    return create_wireguard_vpn_tech(owner, public_key, network_mask)
+
+@transaction.atomic
+def create_wireguard_vpn_tech(owner, public_key, network_mask):
     pool = get_suitable_pools(network_mask)[0]
     count = pool.wireguardvpn_set.count()