public string Execute(string[] args)
{
int age = int.Parse(args[0]);
var employees = employeeController.OlderThanAge(age);
if (employees == null)
{
throw new ArgumentException($"No employees older than {age} years.");
}
var result = new StringBuilder();
foreach (var emp in employees.OrderByDescending(e => e.Salary))
{
result.Append($"{emp.FirstName} {emp.LastName} - ${emp.Salary:F2} - Manager: ");
if (emp.Manager == null)
{
result.Append("[no manager]");
}
else
{
result.Append(emp.Manager.LastName);
}
result.AppendLine();
}
return(result.ToString().TrimEnd());
}