private string GetAccountFromAD(string familyName, string firstName, string middleName, string email) { var adEmployees = ActiveDirectoryHelper.GetEmployeesFromAd(); if (adEmployees == null) { //return string.Empty; return(null); } /*im * var foundEmployeeByCredentials = * adEmployees.Where(x => (x.ConcatenatedCredentials == familyName.ToLower() + firstName.ToLower())).ToList(); * if (foundEmployeeByCredentials.Any()) * { * if (foundEmployeeByCredentials.Count == 1) * { * var account = ACCOUNT_DOMAIN + foundEmployeeByCredentials[0].Account; * return account; * } * else * { * var accountWithMiddleName = foundEmployeeByCredentials.Where(x => x.MiddleName == middleName).ToList(); * if (accountWithMiddleName.Any() && accountWithMiddleName.Count() == 1) * { * var account = ACCOUNT_DOMAIN + accountWithMiddleName[0].Account; * return account; * } * } * } * else * { * if (email != null) * { * var foundEmployeeByEmail = adEmployees.FirstOrDefault(x => (x.Email.ToLower() == email.ToLower())); * if (foundEmployeeByEmail != null) * { * return ACCOUNT_DOMAIN + foundEmployeeByEmail.Account; * } * } * else * { * return null; * } * } */ if (email != null) { var foundEmployeeByEmail = adEmployees.FirstOrDefault(x => (x.Email.ToLower() == email.ToLower())); if (foundEmployeeByEmail != null) { return(ACCOUNT_DOMAIN + foundEmployeeByEmail.Account); } } //return string.Empty; return(null); }