public async Task can_create_employee()
{
var longTimeAgo = new DateTime(1956, 2, 1);
var newGuy = Employee.CreateNew(id: "1", dateOfBirth: longTimeAgo);
await _employeesRepository.AddNew(newGuy);
await _employeesRepository.CommitChanges(CancellationToken.None);
var employee = await _employeesRepository.GetById("1");
employee.ShouldNotBeNull();
employee.DateOfBirth.ShouldBe(longTimeAgo);
}
private async Task <(Employee NewEmployee, DomainError DomainError)> ImportEmployee(ImportEmployee command,
CancellationToken cancellationToken)
{
//We can predetermine our employee ID based on FistName + LastName + Age + Height.
var employeeId = EmployeeIdGenerator.Create(Encoding.UTF8.GetBytes(command.ToUniqueIdentifier)).ToString();
var employee = await _employeesRepository.GetById(employeeId, cancellationToken);
if (employee != null)
{
return(employee, DomainError.None);
}
if (command.Age < 18) //lets assume minimum working age is 18
{
//hey we are doing something doggy here
return(null, new DomainError("Child labor long time ago abolished. There must be a mistake somewhere"));
}
//we wont check for now the max life limit
//This gets interesting since we don't have the actual date of birth. but our company needs it to send a birthday postcard every year
employee =
Employee.CreateNew(employeeId, _getUtcNow())
//should be good approximation. Anyway we will mark that the real birthday is not supplied and later on in UI someone will notice
.WithEstimatedBirthDate(_getUtcNow().AddYears(-command.Age))
.WithFirstName(command.FirstName)
.WithLastName(command.LastName)
.WithHeightInMeters(command.HeightInMeters);
await _employeesRepository.AddNew(employee);
await _employeesRepository.CommitChanges(cancellationToken);
_logger.LogDebug("Employee {displayName} imported", $"{command.FirstName} {command.LastName}");
return(employee, DomainError.None);
}