public IdentityUser GetIdentityUserByUserName(string noramlizedUserName) { var parameters = new QueryParameters { FilterSettings = FilterSettingsBuilder <User> .Create() .AddFilterRule(x => x.NormalizedUserName, FilterOperator.IsEqualTo, noramlizedUserName) .GetSettings() }; var user = unitOfWork.GetSingleOrDefault <User>(parameters); return(mapper.Map <IdentityUser>(user)); }