Update custom GraphQLView to use new GraphQL 3.0 syntax

server/core/views.py

@@ -1,4 +1,5 @@
 from django.http.request import HttpRequest
+from graphql import get_operation_ast, parse
 import requests
 from django.conf import settings
 from django.contrib.auth.mixins import LoginRequiredMixin
@@ -22,11 +23,13 @@ class SentryGraphQLView(GraphQLView):
         operation_name,
         show_graphiql,
     ):
-        operation_type = (
-            self.get_backend(request)
-            .document_from_string(self.schema, query)
-            .get_operation_type(operation_name)
-        )
+        """
+        adapted to use the new GraphQL 3.0 syntax, still need to get the operation type,
+        but the code to do this changed significantly, so the above link only explains
+        the 'what' and 'why', but no longer the 'how'
+        """
+        document = parse(query)
+        operation_type = get_operation_ast(document, operation_name).operation
         with start_transaction(op=operation_type, name=operation_name):
             return super().execute_graphql_request(
                 request, data, query, variables, operation_name, show_graphiql