WIP: add support for refresh tokens

Uncomment the code when
inveniosoftware/invenio-oauthclient#328 is
merged

Author: palkerecsenyi

invenio_vcs/providers.py

@@ -234,7 +234,18 @@ def remote_token(self):
         if self._access_token is not None:
             return self._access_token
 
-        return RemoteToken.get(self.user_id, self.factory.remote.consumer_key)
+        token = RemoteToken.get(self.user_id, self.factory.remote.consumer_key)
+
+        # TODO: uncomment this when https://github.com/inveniosoftware/invenio-oauthclient/pull/328 is merged
+        """
+        if token is None:
+            return None
+
+        if token.is_expired():
+            token.refresh_access_token()
+        """
+
+        return token
 
     @cached_property
     def webhook_url(self):