Return 200 code on unknown subscription

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 
 This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.0.36] - 2023-04-06
+
+### Fixed
+
+- Minor bugs [@AivGitHub](https://github.com/AivGitHub/).
+
 ## [0.0.35] - 2023-04-06
 
 ### Improved

api/exceptions.py

@@ -17,3 +17,11 @@ def __init__(self, detail=None):
         if detail is None:
             detail = 'Not authenticated'
         super().__init__(detail=detail, code=status.HTTP_401_UNAUTHORIZED)
+
+
+class FeatureNotReady(BaseCustomException):
+    def __init__(self, detail=None):
+        if detail is None:
+            detail = 'Not implemented'
+        # Should be ``status.HTTP_501_NOT_IMPLEMENTED``, but webhook requires 200-299 response code.
+        super().__init__(detail=detail, code=status.HTTP_200_OK)

api/v1/services.py

@@ -1,3 +1,4 @@
+from api.exceptions import FeatureNotReady
 from payments.core import stripe
 from payments.models import get_payment_instance, Subscription
 
@@ -15,7 +16,16 @@ def process_post_request(self):
             self.customer_subscription_updated()
 
     def customer_subscription_updated(self):
-        payment_instance = Subscription.objects.get(psp_id=self.event.data.object.id)
+        try:
+            payment_instance = Subscription.objects.get(psp_id=self.event.data.object.id)
+        except Subscription.DoesNotExist:
+            # It can be in case payment was declined or something similar.
+            # For now, it's not important, subscription not created locally, because payment is no successful.
+            # I have no time to implement proper webhook handler.
+            # TODO: https://github.com/AivGitHub/brosfiles/issues/4 task for webhook handler.
+            #  I would appreciate any help in this.
+            raise FeatureNotReady()
+
         payment_instance.update_from_event(self.event)
 
     def checkout_session_completed(self):