feat: added tpv app

2024-03-22 00:44:49 +01:00
parent a13eb6c9d9
commit b8562b3d7b
27 changed files with 1153 additions and 7 deletions
@@ -0,0 +1,169 @@
+import base64
+import json
+from decimal import Decimal
+from django.urls import reverse
+from rest_framework import status
+from rest_framework.test import APITestCase
+from django.conf import settings
+
+from tpv.models import PaymentTPV
+from tpv.redsys import RedsysClient
+from tpv.settings import ERROR_CODES
+
+
+class TestRedsysTPV(APITestCase):
+    def test_redsys_client(self):
+        amount_to_pay = Decimal("10.00")
+        order = PaymentTPV.objects.create(amount=amount_to_pay)
+
+        items = [
+            {
+                "id": 1,
+                "name": "Papacolas",
+                "description": "Las mejores papacolas",
+                "type": "INV",
+                "amount_to_pay": str(amount_to_pay),
+            }
+        ]
+
+        order.metadata["items"] = items
+        order.save()
+
+        client = RedsysClient()
+        merchant_parameters = client.get_merchant_parameters_for_order(order)
+
+        assert merchant_parameters.get("DS_MERCHANT_ORDER") == order.hash.hex
+        assert merchant_parameters.get("DS_MERCHANT_AMOUNT") == str(
+            int(amount_to_pay) * 100
+        )
+        assert (
+            merchant_parameters.get("DS_MERCHANT_TERMINAL") == settings.REDSYS_TERMINAL
+        )
+        assert (
+            merchant_parameters.get("DS_MERCHANT_MERCHANTCODE")
+            == settings.REDSYS_MERCHANT_CODE
+        )
+
+        client.get_body_for_order(order)
+
+    def test_redsys_webhook(self):
+        amount_to_pay = Decimal("10.00")
+        order = PaymentTPV.objects.create(amount=amount_to_pay)
+
+        items = [
+            {
+                "id": 1,
+                "name": "Papacolas",
+                "description": "Las mejores papacolas",
+                "type": "INV",
+                "amount_to_pay": str(amount_to_pay),
+            }
+        ]
+        order.metadata["items"] = items
+        order.save()
+
+        response = self.client.get(
+            reverse("tpv:order_created", kwargs={"order": order.hash})
+        )
+        assert response.status_code == status.HTTP_200_OK
+
+        redsys_response_data = {
+            "Ds_MerchantCode": "999008881",
+            "Ds_Terminal": "001",
+            "Ds_Order": order.hash.hex,
+            "Ds_Amount": str(order.amount_integer),
+            "Ds_Currency": "978",
+            "Ds_Date": "01/01/2024",
+            "Ds_Hour": "00:00",
+            "Ds_SecurePayment": "1",
+            "Ds_Card_Number": "454881******1156",
+            "Ds_Card_Country": "724",
+            "Ds_Response": "0000",
+            "Ds_MerchantData": "",
+            "Ds_TransactionType": "0",
+            "Ds_ConsumerLanguage": "1",
+            "Ds_AuthorisationCode": "182670",
+            "Ds_Card_Brand": "1",
+            "Ds_ProcessedPayMethod": "80",
+            "Ds_ECI": "05",
+            "Ds_Response_Description": "OPERACION AUTORIZADA",
+        }
+        redsys_response_data_str = json.dumps(redsys_response_data)
+        b64_merchant_params = base64.b64encode(
+            redsys_response_data_str.encode()
+        ).decode()
+
+        response = self.client.post(
+            reverse("tpv:webhook", kwargs={"order": order.hash}),
+            data={
+                "Ds_MerchantParameters": b64_merchant_params,
+                "Ds_Signature": settings.REDSYS_SHARED_SECRET,
+                "Ds_SignatureVersion": "HMAC_SHA256_V1",
+            },
+        )
+
+        assert response.status_code == status.HTTP_200_OK
+
+    def test_redsys_webhook_payment_error(self):
+        amount_to_pay = Decimal("10.00")
+        order = PaymentTPV.objects.create(amount=amount_to_pay)
+
+        items = [
+            {
+                "id": 1,
+                "name": "Papacolas",
+                "description": "Las mejores papacolas",
+                "type": "INV",
+                "amount_to_pay": str(amount_to_pay),
+            }
+        ]
+
+        order.metadata["items"] = items
+
+        order.save()
+
+        response = self.client.get(
+            reverse("tpv:order_created", kwargs={"order": order.hash})
+        )
+        assert response.status_code == status.HTTP_200_OK
+
+        redsys_response_data = {
+            "Ds_MerchantCode": "999008881",
+            "Ds_Terminal": "001",
+            "Ds_Order": order.hash.hex,
+            "Ds_Amount": "1000",
+            "Ds_Currency": "978",
+            "Ds_Date": "01/01/2024",
+            "Ds_Hour": "00:00",
+            "Ds_SecurePayment": "1",
+            "Ds_Card_Number": "454881******1156",
+            "Ds_Card_Country": "724",
+            "Ds_Response": "0184",
+            "Ds_MerchantData": "",
+            "Ds_TransactionType": "0",
+            "Ds_ConsumerLanguage": "1",
+            "Ds_AuthorisationCode": "182670",
+            "Ds_Card_Brand": "1",
+            "Ds_ProcessedPayMethod": "80",
+            "Ds_ECI": "05",
+            "Ds_Response_Description": "OPERACION AUTORIZADA",
+        }
+
+        redsys_response_data_str = json.dumps(redsys_response_data)
+        b64_merchant_params = base64.b64encode(
+            redsys_response_data_str.encode()
+        ).decode()
+
+        response = self.client.post(
+            reverse("tpv:webhook", kwargs={"order": order.hash}),
+            data={
+                "Ds_MerchantParameters": b64_merchant_params,
+                "Ds_Signature": settings.REDSYS_SHARED_SECRET,
+                "Ds_SignatureVersion": "HMAC_SHA256_V1",
+            },
+        )
+
+        assert response.status_code == status.HTTP_409_CONFLICT
+        order.refresh_from_db()
+        assert str(ERROR_CODES.get("0184")) in order.observations
+        assert order.status == PaymentTPV.StatusChoices.ERROR