fix email endpoint to stop throwing json errors when 'metadata' section not in args

services/capability/capability/views/capability_version.py

@@ -401,8 +401,11 @@ def get_user_email(request: Request) -> Response:
         if not version.parameters:
             not_found_msg = f"No parameters found for version {version_id} of request with ID {capability_request_id}. Couldn't find user_email information."
             return HTTPNotFound(detail=not_found_msg)
-        elif ("user_email" in version.parameters and version.parameters["user_email"]
-              and "workspaces-analysts" not in version.parameters["user_email"]):
+        elif (
+            "user_email" in version.parameters
+            and version.parameters["user_email"]
+            and "workspaces-analysts" not in version.parameters["user_email"]
+        ):
             # exclude the case of follow-on requests when the default user_email is the analyst list,
             # otherwise send to specified address
             return Response(status_int=http.HTTPStatus.OK, json_body={"resp": f"{version.parameters['user_email']}"})
@@ -412,7 +415,8 @@ def get_user_email(request: Request) -> Response:
         elif "sdmId" in version.parameters and version.parameters["sdmId"]:
             process_call = ["aat_wrest", "-si", version.parameters["sdmId"]]
         elif (
-            version.parameters.metadata
+            "metadata" in version.parameters
+            and version.parameters.metadata
             and "sdm_id" in version.parameters.metadata
             and version.parameters.metadata["sdm_id"]
         ):