chore: refactor settings

tpv/redsys.py

@@ -43,11 +43,15 @@ class RedsysClient:
     def get_currency_code(self) -> str:
         return settings.REDSYS_CURRENCY_CODE
 
-    def get_merchant_url_ok_for_transaction(self, transaction: PaymentTransaction) -> str:
+    def get_merchant_url_ok_for_transaction(
+        self, transaction: PaymentTransaction
+    ) -> str:
         path = reverse("tpv:ok", kwargs={"transaction": transaction.hash})
         return f"{settings.REDSYS_TPV_DOMAIN}{path}"
 
-    def get_merchant_url_ko_for_transaction(self, transaction: PaymentTransaction) -> str:
+    def get_merchant_url_ko_for_transaction(
+        self, transaction: PaymentTransaction
+    ) -> str:
         path = reverse("tpv:ko", kwargs={"transaction": transaction.hash})
         return f"{settings.REDSYS_TPV_DOMAIN}{path}"
 
@@ -63,7 +67,9 @@ class RedsysClient:
         return compute_signature(str(hash), payload, key).decode()
 
     def get_merchant_parameters_for_transaction(
-        self, transaction: PaymentTransaction, transaction_type: int = TransactionTypes.AUTHORIZATION
+        self,
+        transaction: PaymentTransaction,
+        transaction_type: int = TransactionTypes.AUTHORIZATION,
     ) -> dict:
         merchant_code = self.get_merchant_code()
 
@@ -71,7 +77,10 @@ class RedsysClient:
             "DS_MERCHANT_AMOUNT": str(transaction.amount_integer),
             "DS_MERCHANT_CURRENCY": self.get_currency_code(),
             "DS_MERCHANT_MERCHANTCODE": merchant_code,
-            "DS_MERCHANT_MERCHANTURL": self.get_webhook_url_for_transaction(transaction),  # Webhook
+            # Webhook
+            "DS_MERCHANT_MERCHANTURL": self.get_webhook_url_for_transaction(
+                transaction
+            ),
             "DS_MERCHANT_ORDER": transaction.hash.hex,
             "DS_MERCHANT_TERMINAL": self.get_terminal(),
             "DS_MERCHANT_TRANSACTIONTYPE": transaction_type,
@@ -82,14 +91,20 @@ class RedsysClient:
         }
 
     def get_encoded_merchant_parameters_for_transaction(
-        self, transaction: PaymentTransaction, transaction_type: int = TransactionTypes.AUTHORIZATION
+        self,
+        transaction: PaymentTransaction,
+        transaction_type: int = TransactionTypes.AUTHORIZATION,
     ) -> str:
-        body = self.get_merchant_parameters_for_transaction(transaction, transaction_type)
+        body = self.get_merchant_parameters_for_transaction(
+            transaction, transaction_type
+        )
         stringified_body = json.dumps(body)
         return base64.b64encode(stringified_body.encode()).decode("utf-8")
 
     def get_body_for_transaction(
-        self, transaction: PaymentTransaction, transaction_type: int = TransactionTypes.AUTHORIZATION
+        self,
+        transaction: PaymentTransaction,
+        transaction_type: int = TransactionTypes.AUTHORIZATION,
     ) -> dict:
         merchant_parameters = self.get_encoded_merchant_parameters_for_transaction(
             transaction, transaction_type

tpv/tests/test_redsys.py

@@ -30,7 +30,9 @@ class TestRedsysTPV(APITestCase):
         transaction.save()
 
         client = RedsysClient()
-        merchant_parameters = client.get_merchant_parameters_for_transaction(transaction)
+        merchant_parameters = client.get_merchant_parameters_for_transaction(
+            transaction
+        )
 
         assert merchant_parameters.get("DS_MERCHANT_ORDER") == transaction.hash.hex
         assert merchant_parameters.get("DS_MERCHANT_AMOUNT") == str(

tpv/utils.py

@@ -39,7 +39,9 @@ def compare_signatures(signature_1, signature_2):
     return sig1safe == sig2safe
 
 
-def validate_payment_for_transaction(request, transaction: PaymentTransaction) -> Decimal:
+def validate_payment_for_transaction(
+    request, transaction: PaymentTransaction
+) -> Decimal:
     """
     example_response_data = {
         'Ds_MerchantCode': '999008881',

tpv/views.py

@@ -41,14 +41,18 @@ def webhook(request, transaction):
     try:
         amount_paid = validate_payment_for_transaction(request, transaction)
         pay_transaction(transaction, amount_paid)
-        redsys_payment_accepted.send_robust(PaymentTransaction.__class__, hash=transaction.hash)
+        redsys_payment_accepted.send_robust(
+            PaymentTransaction.__class__, hash=transaction.hash
+        )
 
         return HttpResponse(status=200)
     except Exception as e:
         transaction.status = PaymentTransaction.StatusChoices.ERROR
         transaction.observations = str(e)
         transaction.save()
-        redsys_payment_rejected.send_robust(PaymentTransaction.__class__, hash=transaction.hash)
+        redsys_payment_rejected.send_robust(
+            PaymentTransaction.__class__, hash=transaction.hash
+        )
 
         return HttpResponse(status=409)
 
@@ -64,7 +68,9 @@ def transaction_created(request, transaction):
         template_name="tpv/order_created.html",
         context={
             "form": UpdateEmailForm({"contact_email": transaction.contact_email}),
-            "action": reverse("tpv:order_created", kwargs={"transaction": transaction.hash}),
+            "action": reverse(
+                "tpv:order_created", kwargs={"transaction": transaction.hash}
+            ),
             "order": transaction,
             "signature_version": parameters.get("Ds_SignatureVersion"),
             "merchant_parameters": parameters.get("Ds_MerchantParameters"),