Add support for purchased paid media events

Enhanced the router to include `purchased_paid_media` handling. Added corresponding test cases to verify the new functionality and updated middleware to return the appropriate `EventContext`.

aiogram/dispatcher/middlewares/user_context.py

@@ -175,4 +175,8 @@ class UserContextMiddleware(BaseMiddleware):
                 ),
                 business_connection_id=event.edited_business_message.business_connection_id,
             )
+        if event.purchased_paid_media:
+            return EventContext(
+                user=event.purchased_paid_media.from_user,
+            )
         return EventContext()

aiogram/dispatcher/router.py

@@ -102,6 +102,7 @@ class Router:
             "business_connection": self.business_connection,
             "edited_business_message": self.edited_business_message,
             "business_message": self.business_message,
+            "purchased_paid_media": self.purchased_paid_media,
             "error": self.errors,
         }
 

tests/test_dispatcher/test_dispatcher.py

@@ -42,6 +42,7 @@ from aiogram.types import (
     ShippingQuery,
     Update,
     User,
+    PaidMediaPurchased,
 )
 from aiogram.types.error_event import ErrorEvent
 from tests.mocked_bot import MockedBot
@@ -586,6 +587,18 @@ class TestDispatcher:
                 True,
                 True,
             ),
+            pytest.param(
+                "purchased_paid_media",
+                Update(
+                    update_id=42,
+                    purchased_paid_media=PaidMediaPurchased(
+                        paid_media_payload="payload",
+                        from_user=User(id=42, is_bot=False, first_name="Test"),
+                    ),
+                ),
+                False,
+                True,
+            ),
         ],
     )
     async def test_listen_update(