public static async Task <List <IndexConstituent> > GetIndexConstituents(string indexCode)
{
var constituents = DataDao.GetIndexConstituents(indexCode);
if (DataHelper.IsDataReady(constituents?.FirstOrDefault()))
{
return(constituents);
}
else
{
constituents = await SwService.GetIndexConstituents(indexCode);
DataDao.UpdateIndexConstituents(constituents);
return(constituents);
}
}