separate payment gateways model

apps/core/models.py

@@ -17,6 +17,22 @@ class BaseModel(models.Model):
 
 
 
+class BasePGModel(models.Model):
+    created_at = models.DateTimeField(auto_now_add=True, db_index=True)
+    updated_at = models.DateTimeField(auto_now=True, db_index=True)
+
+    def make_request(self):
+        pass
+
+    def confirm_request(self):
+        pass
+
+    def reverse_request(self):
+        pass
+
+    class Meta:
+        abstract = True
+
 
 
 

apps/pg/admin.py

@@ -1,8 +1,8 @@
 from django.contrib import admin
-from .models import ChargeRequest
+from .models import PaymentRequest
 
 
-class ChargeRequestAdmin(admin.ModelAdmin):
+class PaymentRequestAdmin(admin.ModelAdmin):
-    list_display = ['uuid', 'id']
+    list_display = ['uuid', 'amount', 'user_id']
 
-admin.site.register(ChargeRequest, ChargeRequestAdmin)
+admin.site.register(PaymentRequest, PaymentRequestAdmin)

apps/pg/constans.py

@@ -4,12 +4,15 @@ from django.utils.translation import gettext_lazy as _
 
 class StateChoices(IntegerChoices):
         CREATED = 1 , _('created')
-        DELAYED = 2 , _('delayed')  # delayed as user wish
+        IPG_PENDING = 2 , _('ipg pending')
-        PENDING = 3 , _('pending')  # wait for external service response (or action)
+        IPG_SUCCESS = 3 , _('ipg success')
-        INCOMPLETE = 4 , _('incomplete')  # started and wait for internal progress to complete
+
-        SUCCESS = 5 , _('success')
+        WALLET_SUBMIT_PENDING = 11 , _('wallet submit pending')
-        FAILED = 6 , _('failed')
+        WALLET_SUBMIT_SUCCESS = 12 , _('wallet submit success')
-        EXPECTED_FAILURE = 7 , _('expected_failure')  # no exact data available but guessed to be failed
+
+        FAILED = 18 , _('failed')
+        EXPECTED_FAILURE = 19 , _('expected failure')  # no exact data available but guessed to be failed
+        SUCCESS = 20 , _('success')
 
 
 class TypeChoices(IntegerChoices):

apps/pg/forms.py

@@ -1,10 +1,10 @@
 from django import forms
 
-from .models import ChargeRequest
+from .models import PaymentRequest
 
 
-class ChargeRequestForm(forms.ModelForm):
+class PaymentRequestForm(forms.ModelForm):
 
     class Meta:
-        model = ChargeRequest
+        model = PaymentRequest
         fields = []

apps/pg/migrations/0003_paymentrequest_pna_delete_chargerequest.py

@@ -0,0 +1,51 @@
+# Generated by Django 5.1.7 on 2025-05-26 15:28
+
+import django.db.models.deletion
+import uuid
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pg', '0002_alter_chargerequest_callback_url'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        migrations.swappable_dependency(settings.OAUTH2_PROVIDER_APPLICATION_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='PaymentRequest',
+            fields=[
+                ('uuid', models.UUIDField(db_index=True, default=uuid.uuid4, editable=False, primary_key=True, serialize=False, unique=True)),
+                ('gateway', models.CharField(choices=[('fake', 'fake'), ('pna', 'pna')], max_length=255)),
+                ('state', models.IntegerField(choices=[(1, 'created'), (2, 'ipg pending'), (3, 'ipg success'), (11, 'wallet submit pending'), (12, 'wallet submit success'), (18, 'failed'), (19, 'expected failure'), (20, 'success')], default=1)),
+                ('amount', models.PositiveBigIntegerField(blank=True, null=True)),
+                ('callback_url', models.CharField(blank=True, max_length=255, null=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True, db_index=True)),
+                ('updated_at', models.DateTimeField(auto_now=True, db_index=True)),
+                ('application', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, related_name='+', to=settings.OAUTH2_PROVIDER_APPLICATION_MODEL)),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='PNA',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('details', models.JSONField(blank=True, default=dict, null=True)),
+                ('pna_token', models.CharField(blank=True, db_index=True, max_length=255, null=True)),
+                ('pna_order_id', models.IntegerField(blank=True, db_index=True, null=True)),
+                ('pna_originator', models.CharField(blank=True, max_length=255, null=True)),
+                ('pna_status', models.IntegerField(blank=True, choices=[(1, 'created'), (2, 'ipg pending'), (3, 'ipg success'), (11, 'wallet submit pending'), (12, 'wallet submit success'), (18, 'failed'), (19, 'expected failure'), (20, 'success')], db_index=True, null=True)),
+                ('pna_status_code', models.IntegerField(blank=True, null=True)),
+                ('pna_status_message', models.CharField(blank=True, max_length=255, null=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True, db_index=True)),
+                ('updated_at', models.DateTimeField(auto_now=True, db_index=True)),
+                ('payment_request', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to='pg.paymentrequest')),
+            ],
+        ),
+        migrations.DeleteModel(
+            name='ChargeRequest',
+        ),
+    ]

apps/pg/migrations/0004_paymentrequest_phone_number_and_more.py

@@ -0,0 +1,24 @@
+# Generated by Django 5.1.7 on 2025-05-26 16:52
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pg', '0003_paymentrequest_pna_delete_chargerequest'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='paymentrequest',
+            name='phone_number',
+            field=models.CharField(blank=True, max_length=255, null=True),
+        ),
+        migrations.AlterField(
+            model_name='pna',
+            name='payment_request',
+            field=models.OneToOneField(on_delete=django.db.models.deletion.PROTECT, related_name='pna', to='pg.paymentrequest'),
+        ),
+    ]

apps/pg/models.py

@@ -1,45 +1,68 @@
 import urllib.parse
+from mimetypes import guess_all_extensions
 
 from django.conf import settings
 from django.db import models
+from django.db.models import TextChoices
 from django.urls import reverse
 from oauth2_provider.settings import oauth2_settings
 
-from apps.core.models import BaseModel
+from apps.core.models import BaseModel, BasePGModel
 from apps.pg.constans import StateChoices
 import uuid
 
 from utils.wallet_client import deposit_to_user_wallet_submit, withdraw_from_user_wallet_verify, \
     deposit_to_user_wallet_verify
 
-from  utils.pna import PNAClient
+from utils.pna import PNAClient
+from django.utils.translation import gettext_lazy as _
 
 
-class ChargeRequest(models.Model):
+class GatewayChoise(TextChoices):
-    uuid = models.UUIDField(editable=False, default=uuid.uuid4, unique=True, db_index=True)
+    FAKE = "fake", _("fake")
+    PNA = 'pna' , _('pna')
+
+
+class PaymentRequest(models.Model):
+    id = None
+    uuid = models.UUIDField(primary_key=True, editable=False, default=uuid.uuid4, unique=True, db_index=True)
 
     application = models.ForeignKey(oauth2_settings.APPLICATION_MODEL, on_delete=models.PROTECT,
                                     related_name='+', null=True, blank=True)
+
+    gateway = models.CharField(max_length=255, choices=GatewayChoise.choices)
+
     state = models.IntegerField(choices=StateChoices.choices, default=StateChoices.CREATED)
     user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.PROTECT)
     amount = models.PositiveBigIntegerField(null=True, blank=True)
+    phone_number = models.CharField(max_length=255, null=True, blank=True)
     callback_url = models.CharField(max_length=255, null=True, blank=True)
-    details = models.JSONField(null=True, blank=True, default=dict)
-
-    pna_token = models.CharField(null=True, blank=True, max_length=255, db_index=True)
-    pna_order_id = models.IntegerField(null=True, blank=True, db_index=True)
-    pna_originator = models.CharField(null=True, blank=True, max_length=255)
-    pna_status = models.IntegerField(choices=StateChoices.choices, null=True, blank=True, db_index=True)
-    pna_status_code = models.IntegerField(null=True, blank=True)
-    pna_status_message = models.CharField(null=True, blank=True, max_length=255)
 
     created_at = models.DateTimeField(auto_now_add=True, db_index=True)
     updated_at = models.DateTimeField(auto_now=True, db_index=True)
 
+    def get_gateway_tools(self):
+        if self.gateway == 'pna':
+            return self.pna
+
+
+    def set_gateway(self, gateway):
+        self.gateway = gateway
+        if gateway == 'pna':
+            pna = PNA.objects.create()
+            pna.payment_request = self
+
+        if gateway == 'fake':
+            pass
+
+        self.save()
+
+
+
     # TODO: complete and use this
     def change_state(self, from_state, to_state, error_message=None, **data):
         if self.state == from_state:
-            updated = ChargeRequest.objects.filter(pk=self.pk, state=from_state).update(
+            updated = PaymentRequest.objects.filter(pk=self.pk, state=from_state).update(
                 state=to_state,
                 **data
             )
@@ -50,44 +73,13 @@ class ChargeRequest(models.Model):
         else:
             raise Exception(error_message)
 
-    def request_sale(self):
-        pna_client = PNAClient()
-
-        description = 'from addwin ipg'
-        pna_callback_url = urllib.parse.urljoin(
-            settings.IPG_BASE_PUBLIC_URL,
-            reverse("pg:charge-confirm-view", kwargs={"uuid": self.uuid}))
-        response = pna_client.request_normal_sale(self.amount, description, pna_callback_url, order_id=self.id)
-
-        self.pna_status_code = response['status']
-        self.pna_status_message = response.get('title')
-
-        if response['status'] == 0:
-            self.pna_token = response['token']
-
-        self.save()
-
-    def get_pna_redirect_url(self):
-        if self.pna_token:
-            return PNAClient.pg_base_url.format(token=self.pna_token)
-
-
-    def confirm_sale(self):
-        pna_client = PNAClient()
-        description = 'from addwin ipg'
-        response = pna_client.request_normal_sale_confirm(self.pna_token)
-        # response = {'status': 0, 'cardNumberMasked': '504172******9210', 'rrn': 511629210215, 'appToken': 4101434578524, 'token': 'NDEwMTQzNDU3ODUyNA=='}
-
-        if response['status'] == 0:
-            self.pna_status = StateChoices.SUCCESS.value
-
     def charge_wallet_balance(self):
-        if self.state in [StateChoices.CREATED]:
+        if self.state in [StateChoices.IPG_SUCCESS]:
-            to_pending = ChargeRequest.objects.filter(
+            to_pending = PaymentRequest.objects.filter(
                 pk=self.pk,
-                state=StateChoices.CREATED.value,
+                state=StateChoices.IPG_SUCCESS.value,
             ).update(
-                state=StateChoices.PENDING.value)
+                state=StateChoices.WALLET_SUBMIT_PENDING.value)
             if not to_pending:
                 raise Exception('Cannot charge balance because state')
 
@@ -107,14 +99,29 @@ class ChargeRequest(models.Model):
             if not submit_response.uuid:
                 raise Exception('Failed to submit payment in wallet')
 
+            to_success = PaymentRequest.objects.filter(
+                pk=self.pk,
+                state=StateChoices.WALLET_SUBMIT_PENDING.value,
+            ).update(
+                state=StateChoices.WALLET_SUBMIT_SUCCESS.value)
+
+            if not to_success:
+                raise Exception('Cannot charge balance because state')
+
             verify_response = deposit_to_user_wallet_verify(self.uuid)
 
             if not verify_response.uuid or verify_response.state != 5:
+                to_pay_failed = PaymentRequest.objects.filter(
+                    pk=self.pk,
+                    state=StateChoices.WALLET_SUBMIT_SUCCESS.value
+                ).update(
+                    state=StateChoices.FAILED.value,
+                )
                 raise Exception('Failed to verify payment in wallet')
 
-            to_pay_success = ChargeRequest.objects.filter(
+            to_pay_success = PaymentRequest.objects.filter(
                 pk=self.pk,
-                state=StateChoices.PENDING.value
+                state=StateChoices.WALLET_SUBMIT_SUCCESS.value
             ).update(
                 state=StateChoices.SUCCESS.value,
             )
@@ -123,3 +130,56 @@ class ChargeRequest(models.Model):
                 raise Exception('Failed to update state payment')
 
             return bool(to_pay_success)
+
+
+
+class PNA(BasePGModel):
+    payment_request = models.OneToOneField(PaymentRequest, on_delete=models.PROTECT, related_name='pna')
+
+    details = models.JSONField(null=True, blank=True, default=dict)
+
+    pna_token = models.CharField(null=True, blank=True, max_length=255, db_index=True)
+    pna_order_id = models.IntegerField(null=True, blank=True, db_index=True)
+    pna_originator = models.CharField(null=True, blank=True, max_length=255)
+    pna_status = models.IntegerField(choices=StateChoices.choices, null=True, blank=True, db_index=True)
+    pna_status_code = models.IntegerField(null=True, blank=True)
+    pna_status_message = models.CharField(null=True, blank=True, max_length=255)
+
+
+    client = PNAClient()
+
+    def make_request(self):
+        amount = self.payment_request.amount
+        description = 'from addwin ipg'
+        callback_url = urllib.parse.urljoin(
+            settings.IPG_BASE_PUBLIC_URL,
+            reverse("pg:payment-confirm-view", kwargs={"uuid": self.payment_request.uuid}))
+        order_id = self.id
+        phone_number = self.payment_request.phone_number
+
+        response = self.client.request_normal_sale(amount, description, callback_url, order_id, phone_number)
+        self.pna_status_code = response['status']
+        self.pna_status_message = response.get('title')
+
+        if response['status'] == 0:
+            self.pna_token = response['token']
+
+        self.save()
+
+    def get_redirect_url(self):
+        if self.pna_token:
+            return self.client.pg_base_url.format(token=self.pna_token)
+
+    def confirm_request(self):
+        pna_token = self.pna_token
+        response = self.client.request_normal_sale_confirm(pna_token)
+        # response = {'status': 0, 'cardNumberMasked': '504172******9210', 'rrn': 511629210215, 'appToken': 4101434578524, 'token': 'NDEwMTQzNDU3ODUyNA=='}
+        self.details = response
+        if response['status'] == 0:
+            self.pna_status = StateChoices.SUCCESS.value
+        self.save()
+
+    def reverse_request(self):
+        raise NotImplementedError()
+
+

apps/pg/serializers.py

@@ -1,13 +1,13 @@
 from rest_framework import serializers
 
-from .models import ChargeRequest
+from .models import PaymentRequest
 
 
-class ChargeRequestSerializer(serializers.ModelSerializer):
+class PaymentRequestSerializer(serializers.ModelSerializer):
     # uuid = serializers.UUIDField(required=True)
 
     class Meta:
-        model = ChargeRequest
+        model = PaymentRequest
         fields = (
             'uuid',
             'user',

apps/pg/urls.py

@@ -1,10 +1,10 @@
 from django.urls import path, include
-from .views import ChargeRequestView, ChargeRequestCreateApiView, ChargeConfirmView
+from .views import PaymentRequestView, PaymentRequestCreateApiView, PaymentConfirmView
 
 app_name = "pg"
 
 urlpatterns = [
-    path('page/charge/<uuid>/', ChargeRequestView.as_view(), name='charge-request-view'),
+    path('page/charge/<uuid>/', PaymentRequestView.as_view(), name='payment-request-view'),
-    path('page/pna_callback/<uuid>/', ChargeConfirmView.as_view(), name='charge-confirm-view'),
+    path('page/pna_callback/<uuid>/', PaymentConfirmView.as_view(), name='payment-confirm-view'),
-    path('api/charge_create/', ChargeRequestCreateApiView.as_view(), name='charge-request-create-api-view'),
+    path('api/charge_create/', PaymentRequestCreateApiView.as_view(), name='charge-request-create-api-view'),
 ]

apps/pg/views.py

@@ -10,31 +10,31 @@ from oauth2_provider.contrib.rest_framework import TokenHasScope, IsAuthenticate
 from rest_framework import generics
 from rest_framework.views import APIView
 
-from .forms import ChargeRequestForm
+from .forms import PaymentRequestForm
-from .models import ChargeRequest
+from .models import PaymentRequest, GatewayChoise
-from .serializers import ChargeRequestSerializer
+from .serializers import PaymentRequestSerializer
 from .constans import StateChoices
 from ..gooyal_oauth2.utils import get_application
 
 
-class ChargeRequestCreateApiView(generics.CreateAPIView):
+class PaymentRequestCreateApiView(generics.CreateAPIView):
     permission_classes = [IsAuthenticatedOrTokenHasScope]
-    serializer_class = ChargeRequestSerializer
+    serializer_class = PaymentRequestSerializer
     required_scopes = ['wallet.wallet:get_balance']  # TODO: is it good scope?
-    model = ChargeRequest
+    model = PaymentRequest
 
     def perform_create(self, serializer):
         user = self.request.user
         application = get_application(self.request)
-        charge_request: ChargeRequest = serializer.save(user=user, application=application)
+        charge_request: PaymentRequest = serializer.save(user=user, application=application)
 
         # TODO: web view
         # charge_request.charge_wallet_balance()
 
 @method_decorator(csrf_exempt, name='dispatch')
-class ChargeRequestView(UpdateView):
+class PaymentRequestView(UpdateView):
-    template_name = 'pg/charge-request.html'
+    template_name = 'pg/payment-request.html'
-    form_class = ChargeRequestForm
+    form_class = PaymentRequestForm
     # pk_url_kwarg = 'uuid'
     slug_field = 'uuid'
     slug_url_kwarg = 'uuid'
@@ -42,36 +42,42 @@ class ChargeRequestView(UpdateView):
     def get_queryset(self):
         # return ChargeRequest.objects.all()
         # return Charge.objects.filter(state__in=[StateChoices.CREATED.value, StateChoices.SUCCESS.value])
-        return ChargeRequest.objects.filter(state__in=[StateChoices.CREATED.value])
+        return PaymentRequest.objects.filter(state__in=[StateChoices.CREATED.value])
 
     def form_valid(self, form):
         self.object = form.save()
-        charge_request: ChargeRequest = self.get_object()
+        charge_request: PaymentRequest = self.get_object()
+
+        if 'fake' in form.data:
+            print('fake')
+
+        if 'pna' in form.data:
+            charge_request.set_gateway('pna')
+
+        tool = charge_request.get_gateway_tools()
+
 
         # try:
-        charge_request.request_sale()
+        tool.make_request()
-        pna_redirect_url = charge_request.get_pna_redirect_url()
+        redirect_url = tool.get_redirect_url()
-        if pna_redirect_url:
+        if redirect_url:
-            return HttpResponseRedirect(pna_redirect_url)
+            return HttpResponseRedirect(redirect_url)
         else:
-            messages.error(self.request, 'can not redirect to pna')
+            messages.error(self.request, 'can not redirect to payment gateway')
             # TODO: redirect to error page
-            return HttpResponseRedirect(reverse('pg:charge-confirm-view', kwargs={'uuid': charge_request.uuid}))
+            return HttpResponseRedirect(reverse('pg:payment-confirm-view', kwargs={'uuid': charge_request.uuid}))
 
-    def get_success_url(self):
-        return self.object.callback_url
-        # return reverse('pg:charge-request-view', kwargs={'pk': self.object.pk})
 
 @method_decorator(csrf_exempt, name='dispatch')
-class ChargeConfirmView(UpdateView):
+class PaymentConfirmView(UpdateView):
-    template_name = 'pg/charge-confirm.html'
+    template_name = 'pg/payment-confirm.html'
-    form_class = ChargeRequestForm
+    form_class = PaymentRequestForm
     # pk_url_kwarg = 'uuid'
     slug_field = 'uuid'
     slug_url_kwarg = 'uuid'
 
     def get_queryset(self):
-        return ChargeRequest.objects.all()
+        return PaymentRequest.objects.all()
         # return Charge.objects.filter(state__in=[StateChoices.CREATED.value, StateChoices.SUCCESS.value])
 
     def get(self, request, *args, **kwargs):
@@ -99,16 +105,16 @@ class ChargeConfirmView(UpdateView):
             return response
 
         else:
-
             # post = <QueryDict: {'Token': ['NDEwMTI0Nzc0MDMzMA=='], 'OrderId': ['7'], 'TerminalNo': ['31127029'], 'RRN': ['511629156251'], 'status': ['0'], 'TspToken': ['00000000-0000-0000-0000-000000000000'], 'HashCardNumber': ['6008617E6BAB76997499446356F5C8B60288445650DD551FDF32007BCF2B14AF'], 'Amount': ['21,000'], 'SwAmount': [''], 'STraceNo': ['123232']}>
             # post = <QueryDict: {'Token': ['NDI2MDY3ODI0MTg1OA=='], 'OrderId': ['47'], 'status': ['-138']}>
             print(dict(request.POST))
             post_dict = dict(request.POST)
             if post_dict.get('status') in [0, '0', [0], ['0']]:
                 try:
-                    charge_request: ChargeRequest = self.get_object()
+                    payment_request: PaymentRequest = self.get_object()
-                    charge_request.charge_wallet_balance()
+                    tool = payment_request.get_gateway_tools()
-                    charge_request.confirm_sale()
+                    tool.confirm_request()
+                    payment_request.charge_wallet_balance()
                     messages.success(self.request, 'شارژ انجام شد')
 
                 except Exception as e:

templates/pg/payment-request.html

@@ -20,11 +20,16 @@
                 {#                </div>#}
             </div>
             <h6 class="h6">پرداخت با:</h6>
-            <div class="row">
+            <div class="row justify-content-center">
                 <div class="col">
-                    <button type="submit" class="btn mx-auto d-block">
+{#                    <div class="">#}
-                        <img class="img-thumbnail" width="128" height="128" src="{% static "image/pna.png" %}"/>
+                        <button type="submit" class="btn mx-auto center-block" name="pna">
-                    </button>
+                            <img class="img-thumbnail" width="128" height="128" src="{% static "image/pna.png" %}"/>
+                        </button>
+                        <button type="submit" class="btn mx-auto center-block" name="fake">
+                            <img class="img-thumbnail" width="128" height="128" src="{% static "image/fake.png" %}"/>
+                        </button>
+                    </div>
                 </div>
             </div>
         </div>