Adds ability to temporarily cache language selection upon account creation.

apps/cic-ussd/cic_ussd/tasks/callback_handler.py

@@ -32,14 +32,14 @@ celery_app = celery.current_app
 
 
 @celery_app.task(bind=True, base=CriticalSQLAlchemyTask)
-def account_creation_callback(self, result: str, url: str, status_code: int):
+def account_creation_callback(self, result: str, param: str, status_code: int):
     """This function defines a task that creates a user and
     :param self: Reference providing access to the callback task instance.
     :type self: celery.Task
     :param result: The blockchain address for the created account
     :type result: str
-    :param url: URL provided to callback task in cic-eth should http be used for callback.
-    :type url: str
+    :param param: URL provided to callback task in cic-eth should http be used for callback.
+    :type param: str
     :param status_code: The status of the task to create an account
     :type status_code: int
     """
@@ -69,6 +69,15 @@ def account_creation_callback(self, result: str, url: str, status_code: int):
     set_active_token(blockchain_address=result, token_symbol=token_symbol)
 
     queue = self.request.delivery_info.get('routing_key')
+    preferences_data = {"preferred_language": param}
+    # temporarily caching selected language
+    key = cache_data_key(bytes.fromhex(result), MetadataPointer.PREFERENCES)
+    cache_data(key, json.dumps(preferences_data))
+    s_preferences_metadata = celery.signature(
+        'cic_ussd.tasks.metadata.add_preferences_metadata', [result, preferences_data], queue=queue
+    )
+    s_preferences_metadata.apply_async()
+
     s_phone_pointer = celery.signature(
         'cic_ussd.tasks.metadata.add_phone_pointer', [result, phone_number], queue=queue
     )