Add wallet balance to User model and implement Atoll/Island management

- Added `wallet_balance` field to the User model.
- Updated UserAdmin to include `wallet_balance` in the admin interface.
- Created serializers and views for Atoll and Island management.
- Implemented endpoints for listing, creating, and updating Atolls and Islands.
- Enhanced payment processing with UUIDs for Payment and Topup models.
- Added migration files for new fields and constraints.
- Improved error handling and validation in various views.
- Updated email templates for better responsiveness and SEO.

api/admin.py

@@ -15,6 +15,7 @@ class UserAdmin(BaseUserAdmin):
         "is_staff",
         "mobile",
         "address",
+        "wallet_balance",
         "acc_no",
         "id_card",
         "dob",
@@ -35,6 +36,7 @@ class UserAdmin(BaseUserAdmin):
                     "email",
                     "mobile",
                     "address",
+                    "wallet_balance",
                     "acc_no",
                     "id_card",
                     "dob",

api/migrations/0005_alter_atoll_name_alter_island_name.py

@@ -0,0 +1,22 @@
+# Generated by Django 5.1.2 on 2025-01-20 14:39
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("api", "0004_alter_atoll_id_alter_island_id"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="atoll",
+            name="name",
+            field=models.CharField(max_length=255, unique=True),
+        ),
+        migrations.AlterField(
+            model_name="island",
+            name="name",
+            field=models.CharField(max_length=255, unique=True),
+        ),
+    ]

api/models.py

@@ -7,6 +7,7 @@ from django.db import models
 from .managers import CustomUserManager
 from django.utils import timezone
 
+
 class User(AbstractUser):
     email = models.EmailField(unique=True, blank=True, null=True)
     address = models.CharField(max_length=255, blank=True)
@@ -20,8 +21,13 @@ class User(AbstractUser):
     policy_accepted = models.BooleanField(default=False)
     wallet_balance = models.FloatField(default=0.0)
     ninja_user_id = models.CharField(max_length=255, blank=True)
-    atoll = models.ForeignKey('Atoll', on_delete=models.SET_NULL, null=True, blank=True, related_name='users')
-    island = models.ForeignKey('Island', on_delete=models.SET_NULL, null=True, blank=True, related_name='users')
+    atoll = models.ForeignKey(
+        "Atoll", on_delete=models.SET_NULL, null=True, blank=True, related_name="users"
+    )
+    island = models.ForeignKey(
+        "Island", on_delete=models.SET_NULL, null=True, blank=True, related_name="users"
+    )
+
     def get_all_fields(self, instance):
         return [field.name for field in instance.get_fields()]
 
@@ -29,16 +35,17 @@ class User(AbstractUser):
 
 
 class Atoll(models.Model):
-    name = models.CharField(max_length=255)
+    name = models.CharField(max_length=255, unique=True)
     created_at = models.DateTimeField(default=timezone.now)
     updated_at = models.DateTimeField(auto_now=True)
 
     def __str__(self):
         return self.name
 
+
 class Island(models.Model):
-    atoll = models.ForeignKey(Atoll, on_delete=models.CASCADE, related_name='islands')
-    name = models.CharField(max_length=255)
+    atoll = models.ForeignKey(Atoll, on_delete=models.CASCADE, related_name="islands")
+    name = models.CharField(max_length=255, unique=True)
     created_at = models.DateTimeField(default=timezone.now)
     updated_at = models.DateTimeField(auto_now=True)
 

api/serializers.py

@@ -1,6 +1,6 @@
 from knox.models import AuthToken
 from django.contrib.auth import authenticate
-from api.models import User
+from api.models import User, Atoll, Island
 
 from rest_framework import serializers
 
@@ -46,7 +46,6 @@ class CustomReadOnlyUserSerializer(serializers.ModelSerializer):
             "username",
             "mobile",
             "address",
-
         )
 
 
@@ -92,3 +91,15 @@ class KnoxTokenSerializer(serializers.ModelSerializer):
     class Meta:  # type: ignore
         model = AuthToken
         fields = "__all__"
+
+
+class AtollSerializer(serializers.ModelSerializer):
+    class Meta:  # type: ignore
+        model = Atoll
+        fields = "__all__"
+
+
+class IslandSerializer(serializers.ModelSerializer):
+    class Meta:  # type: ignore
+        model = Island
+        fields = "__all__"

api/signals.py

@@ -7,17 +7,23 @@ from django.db.models.signals import post_save
 from api.models import User
 from django.contrib.auth.models import Permission
 
+
 @receiver(post_save, sender=User)
 def assign_device_permissions(sender, instance, created, **kwargs):
     if created:
         # Assign all permissions for devices and read permission for atoll and island
-        device_permissions = Permission.objects.filter(content_type__model='device')
-        atoll_read_permission = Permission.objects.get(codename='view_atoll')
-        island_read_permission = Permission.objects.get(codename='view_island')
+        device_permissions = Permission.objects.filter(content_type__model="device")
+        atoll_read_permission = Permission.objects.get(codename="view_atoll")
+        island_read_permission = Permission.objects.get(codename="view_island")
+        payment_permissions = Permission.objects.filter(
+            content_type__model="payment"
+        ).exclude(codename="delete_payment")
 
         for permission in device_permissions:
             instance.user_permissions.add(permission)
         instance.user_permissions.add(atoll_read_permission, island_read_permission)
+        for permission in payment_permissions:
+            instance.user_permissions.add(permission)
 
 
 @receiver(reset_password_token_created)

api/urls.py

@@ -11,6 +11,10 @@ from .views import (
     UserDetailAPIView,
     healthcheck,
     test_email,
+    ListCreateAtollView,
+    RetrieveUpdateDestroyAtollView,
+    ListCreateIslandView,
+    RetrieveUpdateDestroyIslandView,
 )
 
 
@@ -26,5 +30,16 @@ urlpatterns = [
     path("users/<int:pk>/", UserDetailAPIView.as_view(), name="user-detail"),
     path("healthcheck/", healthcheck, name="healthcheck"),
     path("test/", test_email, name="testemail"),
-
+    path("atolls/", ListCreateAtollView.as_view(), name="atolls"),
+    path(
+        "atolls/<int:pk>/",
+        RetrieveUpdateDestroyAtollView.as_view(),
+        name="atoll-detail",
+    ),
+    path("islands/", ListCreateIslandView.as_view(), name="islands"),
+    path(
+        "islands/<int:pk>/",
+        RetrieveUpdateDestroyIslandView.as_view(),
+        name="island-detail",
+    ),
 ]

api/views.py

@@ -11,6 +11,7 @@ from rest_framework.response import Response
 from rest_framework import status
 from rest_framework.exceptions import ValidationError
 from rest_framework.decorators import api_view, permission_classes
+from api.serializers import AtollSerializer, IslandSerializer
 
 # knox imports
 from knox.views import LoginView as KnoxLoginView
@@ -85,13 +86,19 @@ class CreateUserView(generics.CreateAPIView):
             return Response({"message": "Policy acceptance is required."}, status=400)
 
         if not re.match(r"^[A-Z]{1,2}[0-9]{6,7}$", id_card):
-            return Response({"message": "Please enter a valid ID card number."}, status=400)
+            return Response(
+                {"message": "Please enter a valid ID card number."}, status=400
+            )
 
         if not re.match(r"^[7|9][0-9]{6}$", mobile):
-            return Response({"message": "Please enter a valid mobile number."}, status=400)
+            return Response(
+                {"message": "Please enter a valid mobile number."}, status=400
+            )
 
         if not re.match(r"^(7\d{12}|9\d{16})$", acc_no):
-            return Response({"message": "Please enter a valid account number."}, status=400)
+            return Response(
+                {"message": "Please enter a valid account number."}, status=400
+            )
 
         # Fetch Atoll and Island instances
         try:
@@ -109,7 +116,7 @@ class CreateUserView(generics.CreateAPIView):
             username=username,
             password=password,
             address=address,
-            mobile=str("+960") + str(mobile),
+            mobile=mobile,
             acc_no=acc_no,
             id_card=id_card,
             dob=dob,
@@ -219,3 +226,64 @@ def test_email(request):
         fail_silently=False,
     )
     return Response({"status": "ok"}, status=status.HTTP_200_OK)
+
+
+class ListCreateAtollView(StaffEditorPermissionMixin, generics.ListCreateAPIView):
+    serializer_class = AtollSerializer
+    queryset = Atoll.objects.all()
+
+    def create(self, request, *args, **kwargs):
+        serializer = self.get_serializer(data=request.data)
+        serializer.is_valid(raise_exception=True)
+        name = serializer.validated_data.get("name")
+        print(name)
+        if Atoll.objects.filter(name=name).exists():
+            return Response({"message": "Atoll name already exists."}, status=400)
+        return super().create(request, *args, **kwargs)
+
+
+class RetrieveUpdateDestroyAtollView(
+    StaffEditorPermissionMixin, generics.RetrieveUpdateDestroyAPIView
+):
+    serializer_class = AtollSerializer
+    queryset = Atoll.objects.all()
+    lookup_field = "pk"
+
+    def update(self, request, *args, **kwargs):
+        instance = self.get_object()
+        serializer = self.get_serializer(instance, data=request.data, partial=True)
+        serializer.is_valid(raise_exception=True)
+        name = serializer.validated_data.get("name")
+        if name and Atoll.objects.filter(name=name).exclude(pk=instance.pk).exists():
+            return Response({"message": "Atoll name already exists."}, status=400)
+        return super().update(request, *args, **kwargs)
+
+
+class ListCreateIslandView(StaffEditorPermissionMixin, generics.ListCreateAPIView):
+    serializer_class = IslandSerializer
+    queryset = Island.objects.all()
+
+    def create(self, request, *args, **kwargs):
+        serializer = self.get_serializer(data=request.data)
+        serializer.is_valid(raise_exception=True)
+        name = serializer.validated_data.get("name")
+        if Island.objects.filter(name=name).exists():
+            return Response({"message": "Island name already exists."}, status=400)
+        return super().create(request, *args, **kwargs)
+
+
+class RetrieveUpdateDestroyIslandView(
+    StaffEditorPermissionMixin, generics.RetrieveUpdateDestroyAPIView
+):
+    serializer_class = IslandSerializer
+    queryset = Island.objects.all()
+    lookup_field = "pk"
+
+    def update(self, request, *args, **kwargs):
+        instance = self.get_object()
+        serializer = self.get_serializer(instance, data=request.data, partial=True)
+        serializer.is_valid(raise_exception=True)
+        name = serializer.validated_data.get("name")
+        if name and Island.objects.filter(name=name).exclude(pk=instance.pk).exists():
+            return Response({"message": "Island name already exists."}, status=400)
+        return super().update(request, *args, **kwargs)

apibase/urls.py

@@ -36,7 +36,8 @@ urlpatterns = [
     path("api/auth/", include("api.urls")),
     # Devices
     path("api/devices/", include("devices.urls")),
-
+    # Billing
+    path("api/billing/", include("billing.urls")),
 ]
 if settings.DEBUG:
     urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

billing/admin.py

@@ -1,3 +1,13 @@
 from django.contrib import admin
+from .models import Payment, BillFormula, Topup
 
 # Register your models here.
+
+
+class PaymentAdmin(admin.ModelAdmin):
+    list_display = ("id", "user", "amount", "paid", "paid_at", "method")
+
+
+admin.site.register(Payment, PaymentAdmin)
+admin.site.register(BillFormula)
+admin.site.register(Topup)

billing/migrations/0003_alter_billformula_id_alter_payment_id.py

@@ -0,0 +1,27 @@
+# Generated by Django 5.1.2 on 2025-01-20 14:58
+
+import uuid
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("billing", "0002_billformula_payment_topup_delete_device"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="billformula",
+            name="id",
+            field=models.BigAutoField(
+                auto_created=True, primary_key=True, serialize=False, verbose_name="ID"
+            ),
+        ),
+        migrations.AlterField(
+            model_name="payment",
+            name="id",
+            field=models.UUIDField(
+                default=uuid.uuid4, editable=False, primary_key=True, serialize=False
+            ),
+        ),
+    ]

billing/migrations/0004_alter_topup_id.py

@@ -0,0 +1,20 @@
+# Generated by Django 5.1.2 on 2025-01-20 15:00
+
+import uuid
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("billing", "0003_alter_billformula_id_alter_payment_id"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="topup",
+            name="id",
+            field=models.UUIDField(
+                default=uuid.uuid4, editable=False, primary_key=True, serialize=False
+            ),
+        ),
+    ]

billing/models.py

@@ -1,35 +1,37 @@
 from django.db import models
 from django.utils import timezone
 from api.models import User
+import uuid
 
 # Create your models here.
 
 from devices.models import Device
+
 # Create your models here.
 
+
 class Payment(models.Model):
     PAYMENT_TYPES = [
-        ('WALLET', 'Wallet'),
-        ('TRANSFER', 'Transfer'),
+        ("WALLET", "Wallet"),
+        ("TRANSFER", "Transfer"),
     ]
-
-    id = models.CharField(primary_key=True, max_length=255)
+    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
     number_of_months = models.IntegerField()
     amount = models.FloatField()
     paid = models.BooleanField(default=False)
-    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='payments')
+    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name="payments")
     paid_at = models.DateTimeField(null=True, blank=True)
-    method = models.CharField(max_length=255, choices=PAYMENT_TYPES, default='TRANSFER')
+    method = models.CharField(max_length=255, choices=PAYMENT_TYPES, default="TRANSFER")
     expires_at = models.DateTimeField(null=True, blank=True)
     created_at = models.DateTimeField(default=timezone.now)
     updated_at = models.DateTimeField(auto_now=True)
-    devices = models.ManyToManyField(Device, related_name='payments')
+    devices = models.ManyToManyField(Device, related_name="payments")
 
     def __str__(self):
         return f"Payment by {self.user}"
 
+
 class BillFormula(models.Model):
-    id = models.CharField(primary_key=True, max_length=255)
     formula = models.CharField(max_length=255)
     base_amount = models.FloatField()
     discount_percentage = models.FloatField()
@@ -39,10 +41,11 @@ class BillFormula(models.Model):
     def __str__(self):
         return self.formula
 
+
 class Topup(models.Model):
-    id = models.CharField(primary_key=True, max_length=255)
+    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
     amount = models.FloatField()
-    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='topups')
+    user = models.ForeignKey(User, on_delete=models.CASCADE, related_name="topups")
     paid = models.BooleanField(default=False)
     created_at = models.DateTimeField(default=timezone.now)
     updated_at = models.DateTimeField(auto_now=True)

billing/serializers.py

@@ -0,0 +1,11 @@
+from rest_framework import serializers
+from .models import Payment
+from devices.serializers import DeviceSerializer
+
+
+class PaymentSerializer(serializers.ModelSerializer):
+    devices = DeviceSerializer(many=True, read_only=True)
+
+    class Meta:
+        model = Payment
+        fields = "__all__"

billing/urls.py

@@ -0,0 +1,8 @@
+# billing/urls.py
+from django.urls import path
+from .views import CreatePaymentView, VerifyPaymentView
+
+urlpatterns = [
+    path("create-payment/", CreatePaymentView.as_view(), name="create-payment"),
+    path("verify-payment/", VerifyPaymentView.as_view(), name="verify-payment"),
+]

billing/views.py

@@ -1,2 +1,141 @@
-
 # Create your views here.
+# billing/views.py
+from .models import Payment, Device
+from datetime import datetime, timedelta
+import requests
+from rest_framework.views import APIView
+from rest_framework.response import Response
+from rest_framework import status
+from decouple import config
+from .serializers import PaymentSerializer
+from rest_framework.permissions import AllowAny
+from api.mixins import StaffEditorPermissionMixin
+from rest_framework import generics
+
+
+class InsufficientFundsError(Exception):
+    pass
+
+
+class CreatePaymentView(StaffEditorPermissionMixin, generics.CreateAPIView):
+    serializer_class = PaymentSerializer
+    queryset = Payment.objects.all()
+
+    def create(self, request):
+        data = request.data
+        user = request.user
+        amount = data.get("amount")
+        number_of_months = data.get("number_of_months")
+        device_ids = data.get("device_ids", [])
+        print(amount, number_of_months, device_ids)
+
+        if not amount or not number_of_months:
+            return Response(
+                {"message": "amount and number_of_months are required."},
+                status=status.HTTP_400_BAD_REQUEST,
+            )
+        if not device_ids:
+            return Response(
+                {"message": "device_ids are required."},
+                status=status.HTTP_400_BAD_REQUEST,
+            )
+        # Create payment
+        payment = Payment.objects.create(
+            amount=amount,
+            number_of_months=number_of_months,
+            paid=data.get("paid", False),
+            user=user,
+        )
+
+        # Connect devices to payment
+        devices = Device.objects.filter(id__in=device_ids, user=user)
+        payment.devices.set(devices)
+
+        serializer = PaymentSerializer(payment)
+        return Response(serializer.data, status=status.HTTP_201_CREATED)
+
+
+class VerifyPaymentView(StaffEditorPermissionMixin, generics.UpdateAPIView):
+    serializer_class = PaymentSerializer
+    queryset = Payment.objects.all()
+
+    def update(self, request, *args, **kwargs):
+        data = request.data
+        user = request.user
+        print(user)
+        method = data.get("method")
+        payment_id = data.get("payment_id")
+        abs_amount = data.get("abs_amount")
+        if not method:
+            return Response(
+                {"message": "method is required. 'WALLET' or 'TRANSFER'"},
+                status=status.HTTP_400_BAD_REQUEST,
+            )
+        if not payment_id:
+            return Response(
+                {"message": "payment_id is required."},
+                status=status.HTTP_400_BAD_REQUEST,
+            )
+        if not abs_amount:
+            return Response(
+                {"message": "abs_amount is required."},
+                status=status.HTTP_400_BAD_REQUEST,
+            )
+
+        try:
+            payment = Payment.objects.get(id=payment_id)
+            devices = payment.devices.all()
+
+            if data["type"] == "WALLET":
+                print("processing WALLET payment")
+                self.process_wallet_payment(user, payment, float(data["abs_amount"]))
+            elif data["type"] == "TRANSFER":
+                self.verify_external_payment(data, payment)
+
+            # Update devices
+            expiry_date = datetime.now() + timedelta(days=30 * payment.number_of_months)
+            devices.update(is_active=True, expiry_date=expiry_date)
+
+            return Response({"message": "Payment verified successfully."})
+
+        except Payment.DoesNotExist:
+            return Response(
+                {"message": "Payment not found."}, status=status.HTTP_404_NOT_FOUND
+            )
+        except InsufficientFundsError:
+            return Response(
+                {"message": "Insufficient funds in wallet."},
+                status=status.HTTP_400_BAD_REQUEST,
+            )
+        except Exception as e:
+            return Response(
+                {"message": str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR
+            )
+
+    def process_wallet_payment(self, user, payment, amount):
+        print("processing wallet payment")
+        print(user, amount)
+        if user.wallet_balance < amount:
+            return Response(
+                {"message": "Insufficient funds in wallet."},
+                status=status.HTTP_400_BAD_REQUEST,
+            )
+
+        payment.paid = True
+        payment.paid_at = datetime.now()
+        payment.method = "WALLET"
+        payment.save()
+
+        user.wallet_balance -= amount
+        user.save()
+
+    def verify_external_payment(self, data, payment):
+        response = requests.post(
+            f"{config('PAYMENT_VERIFY_BASE_URL')}/verify-payment",
+            json=data,
+            headers={"Content-Type": "application/json"},
+        )
+        response.raise_for_status()
+        print(response.json())
+        if not response.json().get("success"):
+            raise Exception("Payment verification failed.")

devices/views.py

@@ -2,7 +2,11 @@ from rest_framework import generics, status
 from rest_framework.response import Response
 from django_filters.rest_framework import DjangoFilterBackend
 from .models import Device
-from .serializers import CreateDeviceSerializer, DeviceSerializer, ReadOnlyDeviceSerializer
+from .serializers import (
+    CreateDeviceSerializer,
+    DeviceSerializer,
+    ReadOnlyDeviceSerializer,
+)
 from api.mixins import StaffEditorPermissionMixin
 from .filters import DeviceFilter
 import re
@@ -27,16 +31,17 @@ class DeviceListCreateAPIView(
     def create(self, request, *args, **kwargs):
         mac = request.data.get("mac", None)
         if not re.match(r"^([0-9A-Fa-f]{2}([.:-]?)){5}[0-9A-Fa-f]{2}$", mac):
-            return Response({"error": "Invalid mac address"}, status=400)
+            return Response({"message": "Invalid mac address."}, status=400)
         if Device.objects.filter(mac=mac).exists():
-            return Response({"error": "Device with this mac already exists"}, status=400)
+            return Response(
+                {"message": "Device with this mac address already exists."}, status=400
+            )
         return super().create(request, *args, **kwargs)
 
     def perform_create(self, serializer):
         serializer.save(user=self.request.user)
 
 
-
 class DeviceDetailAPIView(StaffEditorPermissionMixin, generics.RetrieveAPIView):
     queryset = Device.objects.select_related("user").all()
     serializer_class = ReadOnlyDeviceSerializer
@@ -52,6 +57,9 @@ class DeviceUpdateAPIView(StaffEditorPermissionMixin, generics.UpdateAPIView):
         # Pass 'partial=True' to allow partial updates
         partial = kwargs.pop("partial", True)
         instance = self.get_object()
+        mac = request.data.get("mac", None)
+        if not re.match(r"^([0-9A-Fa-f]{2}([.:-]?)){5}[0-9A-Fa-f]{2}$", mac):
+            return Response({"message": "Invalid mac address"}, status=400)
         serializer = self.get_serializer(instance, data=request.data, partial=partial)
         serializer.is_valid(raise_exception=True)
         self.perform_update(serializer)
@@ -73,4 +81,3 @@ class DeviceDestroyAPIView(StaffEditorPermissionMixin, generics.DestroyAPIView):
             {"message": f"Device '{device_name}' deleted."},
             status=status.HTTP_200_OK,
         )
-

djangopasswordlessknox/templates/passwordless_default_token_email.html

@@ -1,5 +1,9 @@
 <!doctype html>
 <html lang="en">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="description" content="Your login token">
+    <meta name="keywords" content="login, token, SARLink Portal">
+
     <head>
         <meta charset="UTF-8" />
         <title>Your Login Token</title>
@@ -62,6 +66,7 @@
             }
         </style>
     </head>
+
     <body>
         <div class="container">
             <div class="header">
@@ -85,4 +90,5 @@
             </div>
         </div>
     </body>
-</html>
+
+</html>

djangopasswordlessknox/templates/passwordless_default_verification_token_email.html

@@ -1,10 +1,16 @@
 <!doctype html>
 <html lang="en">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="description" content="Your verification token">
+    <meta name="keywords" content="verification, token, sarlink">
+
     <head>
         <meta charset="UTF-8" />
         <title>Your Verification Token</title>
     </head>
+
     <body>
         <h2>Use this verification code: {{ callback_token }}</h2>
     </body>
-</html>
+
+</html>

djangopasswordlessknox/utils.py

@@ -1,4 +1,5 @@
 import logging
+
 # import os
 from django.contrib.auth import get_user_model
 from django.core.exceptions import PermissionDenied
@@ -7,10 +8,12 @@ from django.template import loader
 from django.utils import timezone
 from djangopasswordlessknox.models import CallbackToken
 from djangopasswordlessknox.settings import api_settings
+
 # from twilio.rest import Client
 from decouple import config
 import requests
 import json
+
 logger = logging.getLogger(__name__)
 User = get_user_model()
 
@@ -27,9 +30,13 @@ def authenticate_by_token(callback_token):
         return token.user
 
     except CallbackToken.DoesNotExist:
-        logger.debug("djangopasswordlessknox: Challenged with a callback token that doesn't exist.")
+        logger.debug(
+            "djangopasswordlessknox: Challenged with a callback token that doesn't exist."
+        )
     except User.DoesNotExist:
-        logger.debug("djangopasswordlessknox: Authenticated user somehow doesn't exist.")
+        logger.debug(
+            "djangopasswordlessknox: Authenticated user somehow doesn't exist."
+        )
     except PermissionDenied:
         logger.debug("djangopasswordlessknox: Permission denied while authenticating.")
 
@@ -41,15 +48,19 @@ def create_callback_token_for_user(user, token_type):
     token = None
     token_type = token_type.upper()
 
-    if token_type == 'EMAIL':
-        token = CallbackToken.objects.create(user=user,
-                                             to_alias_type=token_type,
-                                             to_alias=getattr(user, api_settings.PASSWORDLESS_USER_EMAIL_FIELD_NAME))
+    if token_type == "EMAIL":
+        token = CallbackToken.objects.create(
+            user=user,
+            to_alias_type=token_type,
+            to_alias=getattr(user, api_settings.PASSWORDLESS_USER_EMAIL_FIELD_NAME),
+        )
 
-    elif token_type == 'MOBILE':
-        token = CallbackToken.objects.create(user=user,
-                                             to_alias_type=token_type,
-                                             to_alias=getattr(user, api_settings.PASSWORDLESS_USER_MOBILE_FIELD_NAME))
+    elif token_type == "MOBILE":
+        token = CallbackToken.objects.create(
+            user=user,
+            to_alias_type=token_type,
+            to_alias=getattr(user, api_settings.PASSWORDLESS_USER_MOBILE_FIELD_NAME),
+        )
 
     if token is not None:
         return token
@@ -83,12 +94,20 @@ def verify_user_alias(user, token):
     """
     Marks a user's contact point as verified depending on accepted token type.
     """
-    if token.to_alias_type == 'EMAIL':
-        if token.to_alias == getattr(user, api_settings.PASSWORDLESS_USER_EMAIL_FIELD_NAME):
-            setattr(user, api_settings.PASSWORDLESS_USER_EMAIL_VERIFIED_FIELD_NAME, True)
-    elif token.to_alias_type == 'MOBILE':
-        if token.to_alias == getattr(user, api_settings.PASSWORDLESS_USER_MOBILE_FIELD_NAME):
-            setattr(user, api_settings.PASSWORDLESS_USER_MOBILE_VERIFIED_FIELD_NAME, True)
+    if token.to_alias_type == "EMAIL":
+        if token.to_alias == getattr(
+            user, api_settings.PASSWORDLESS_USER_EMAIL_FIELD_NAME
+        ):
+            setattr(
+                user, api_settings.PASSWORDLESS_USER_EMAIL_VERIFIED_FIELD_NAME, True
+            )
+    elif token.to_alias_type == "MOBILE":
+        if token.to_alias == getattr(
+            user, api_settings.PASSWORDLESS_USER_MOBILE_FIELD_NAME
+        ):
+            setattr(
+                user, api_settings.PASSWORDLESS_USER_MOBILE_VERIFIED_FIELD_NAME, True
+            )
     else:
         return False
     user.save()
@@ -116,32 +135,47 @@ def send_email_with_callback_token(user, email_token, **kwargs):
             # Make sure we have a sending address before sending.
 
             # Get email subject and message
-            email_subject = kwargs.get('email_subject',
-                                        api_settings.PASSWORDLESS_EMAIL_SUBJECT)
-            email_plaintext = kwargs.get('email_plaintext',
-                                            api_settings.PASSWORDLESS_EMAIL_PLAINTEXT_MESSAGE)
-            email_html = kwargs.get('email_html',
-                                    api_settings.PASSWORDLESS_EMAIL_TOKEN_HTML_TEMPLATE_NAME)
+            email_subject = kwargs.get(
+                "email_subject", api_settings.PASSWORDLESS_EMAIL_SUBJECT
+            )
+            email_plaintext = kwargs.get(
+                "email_plaintext", api_settings.PASSWORDLESS_EMAIL_PLAINTEXT_MESSAGE
+            )
+            email_html = kwargs.get(
+                "email_html", api_settings.PASSWORDLESS_EMAIL_TOKEN_HTML_TEMPLATE_NAME
+            )
             # Inject context if user specifies.
-            context = inject_template_context({'callback_token': email_token.key, })
-            html_message = loader.render_to_string(email_html, context,)
+            context = inject_template_context(
+                {
+                    "callback_token": email_token.key,
+                }
+            )
+            html_message = loader.render_to_string(
+                email_html,
+                context,
+            )
             send_mail(
                 email_subject,
                 email_plaintext % email_token.key,
                 api_settings.PASSWORDLESS_EMAIL_NOREPLY_ADDRESS,
                 [getattr(user, api_settings.PASSWORDLESS_USER_EMAIL_FIELD_NAME)],
                 fail_silently=False,
-                html_message=html_message,)
+                html_message=html_message,
+            )
 
         else:
-            logger.debug("Failed to send token email. Missing PASSWORDLESS_EMAIL_NOREPLY_ADDRESS.")
+            logger.debug(
+                "Failed to send token email. Missing PASSWORDLESS_EMAIL_NOREPLY_ADDRESS."
+            )
             return False
         return True
 
     except Exception as e:
-        logger.debug("Failed to send token email to user: %d."
-                  "Possibly no email on user object. Email entered was %s" %
-                  (user.id, getattr(user, api_settings.PASSWORDLESS_USER_EMAIL_FIELD_NAME)))
+        logger.debug(
+            "Failed to send token email to user: %d."
+            "Possibly no email on user object. Email entered was %s"
+            % (user.id, getattr(user, api_settings.PASSWORDLESS_USER_EMAIL_FIELD_NAME))
+        )
         logger.debug(e)
         return False
 
@@ -152,60 +186,62 @@ def send_sms_with_callback_token(user, mobile_token, **kwargs):
 
     Passes silently without sending in test environment.
     """
-    base_string = kwargs.get('mobile_message', api_settings.PASSWORDLESS_MOBILE_MESSAGE)
+    base_string = kwargs.get("mobile_message", api_settings.PASSWORDLESS_MOBILE_MESSAGE)
 
     try:
-        if api_settings.PASSWORDLESS_MOBILE_NOREPLY_NUMBER:
-            print("Sending SMS")
-            # We need a sending number to send properly
-            if api_settings.PASSWORDLESS_TEST_SUPPRESSION is True:
-                # we assume success to prevent spamming SMS during testing.
-                return True
-            to_number = getattr(user, api_settings.PASSWORDLESS_USER_MOBILE_FIELD_NAME)
-            if to_number.__class__.__name__ == 'PhoneNumber':
-                to_number = to_number.__str__()
+        print("Sending SMS")
+        # We need a sending number to send properly
+        if api_settings.PASSWORDLESS_TEST_SUPPRESSION is True:
+            # we assume success to prevent spamming SMS during testing.
+            return True
+        to_number = getattr(user, api_settings.PASSWORDLESS_USER_MOBILE_FIELD_NAME)
+        if to_number.__class__.__name__ == "PhoneNumber":
+            to_number = to_number.__str__()
 
-            # user_withh_mobile_exists = User.objects.filter(mobile=to_number).exists()
-            # if not user_withh_mobile_exists:
-            #     print("User with mobile number does not exist.")
-            #     logger.debug("User with mobile number does not exist.")
-            #     return False
+        # user_withh_mobile_exists = User.objects.filter(mobile=to_number).exists()
+        # if not user_withh_mobile_exists:
+        #     print("User with mobile number does not exist.")
+        #     logger.debug("User with mobile number does not exist.")
+        #     return False
 
-
-            api_url = config("SMS_API_URL")
-            api_key = config("SMS_API_KEY")
-            if not api_url or not api_key:
-                logger.debug("Failed to send SMS. Missing SMS_API_URL or SMS_API_KEY.")
-                return False
-
-            headers = {
-                "Content-Type": "application/json",
-                "Authorization": f"Bearer {api_key}"
-            }
-            data = {
-                "number": to_number,
-                "message": base_string % mobile_token.key,
-                "check_delivery": False
-            }
-
-            response = requests.post(api_url, headers=headers, data=json.dumps(data))
-            if response.status_code == 200:
-                return True
-            else:
-                logger.debug(f"Failed to send SMS. Status code: {response.status_code}")
-                return False
-        else:
-            logger.debug("Failed to send token sms. Missing PASSWORDLESS_MOBILE_NOREPLY_NUMBER.")
+        api_url = config("SMS_API_URL")
+        api_key = config("SMS_API_KEY")
+        if not api_url or not api_key:
+            logger.debug("Failed to send SMS. Missing SMS_API_URL or SMS_API_KEY.")
             return False
+
+        headers = {
+            "Content-Type": "application/json",
+            "Authorization": f"Bearer {api_key}",
+        }
+        data = {
+            "number": to_number,
+            "message": base_string % mobile_token.key,
+            "check_delivery": False,
+        }
+
+        response = requests.post(api_url, headers=headers, data=json.dumps(data))
+        if response.status_code == 200:
+            return True
+        else:
+            logger.debug(f"Failed to send SMS. Status code: {response.status_code}")
+            return False
+
     except ImportError:
         logger.debug("Couldn't import Twilio client. Is twilio installed?")
         return False
     except KeyError:
-        logger.debug("Couldn't send SMS."
-                  "Did you set your Twilio account tokens and specify a PASSWORDLESS_MOBILE_NOREPLY_NUMBER?")
+        logger.debug(
+            "Couldn't send SMS."
+            "Did you set your Twilio account tokens and specify a PASSWORDLESS_MOBILE_NOREPLY_NUMBER?"
+        )
     except Exception as e:
-        logger.debug("Failed to send token SMS to user: {}. "
-                  "Possibly no mobile number on user object or the twilio package isn't set up yet. "
-                  "Number entered was {}".format(user.id, getattr(user, api_settings.PASSWORDLESS_USER_MOBILE_FIELD_NAME)))
+        logger.debug(
+            "Failed to send token SMS to user: {}. "
+            "Possibly no mobile number on user object or the twilio package isn't set up yet. "
+            "Number entered was {}".format(
+                user.id, getattr(user, api_settings.PASSWORDLESS_USER_MOBILE_FIELD_NAME)
+            )
+        )
         logger.debug(e)
         return False