public Employee Add(Employee employee)
{
Employee employeeModified = null;
if (employee == null)
{
_logger.WriteLog("Invalid Record");
throw new Exception("Invalid Record");
}
if (context.Employees.Count() == 0)
{
employeeModified = context.Employees.Add(employee);
}
else
{
var isExisting = context.Employees.FirstOrDefault(x => x.FName.ToUpper() == employee.FName.ToUpper() && x.LName.ToUpper() == employee.LName.ToUpper());
if (employee.Addresses != null)
{
string phoneNumber = employee.Addresses.FirstOrDefault().Phone.ToUpper();
var isPhoneExists = context.Addresses.FirstOrDefault(x => x.Phone.ToUpper() == phoneNumber);
if (isExisting == null && isPhoneExists == null)
{
employeeModified = context.Employees.Add(employee);
}
else
{
if (isExisting != null)
{
_logger.WriteException("Exception Occured :", new FaultException("Duplicate Entry Found"));
throw new FaultException("Duplicate Entry Found");
}
if (isPhoneExists != null)
{
_logger.WriteException("Exception Occured :", new FaultException("Duplicate Phone Number Found"));
throw new FaultException("Duplicate Phone Number Found");
}
}
}
}
context.SaveChanges();
return(employeeModified);
}