// Get boss list of an employee from bottom to top
public static List<Person> GetBossList(Person person)
{
List<Person> bossList = new List<Person>();
while (person.HasBoss())
{
Person boss = person.GetBoss();
bossList.Add(boss);
person = boss;
}
return bossList;
}
public void AddEmployee(Person employee)
{
if (this.Employees[MinimumEmployeesPerBoss - 1] == null)
{
for (int i = 0; i < this.Employees.Length; i++)
{
if (this.Employees[i] == null)
{
this.Employees[i] = employee;
break;
}
}
}
else
{
throw new System.ArgumentOutOfRangeException("Cannot add more than " + MinimumEmployeesPerBoss + " employees per person");
}
}
public Person(string name, Person boss = null)
{
this.Name = name;
this.Boss = boss;
this.Employees = new Person[MinimumEmployeesPerBoss];
}
public static void Main()
{
const string ExitMessage = "exit";
List<Person> personList = new List<Person>();
string hierarchy;
Console.WriteLine("This program aims to find the first common boss of two employees in hierarchical structure of manager - employee");
Console.WriteLine("Please enter first name: ");
string employeeInput1 = Console.ReadLine().Trim();
Console.WriteLine("Please enter second name: ");
string employeeInput2 = Console.ReadLine().Trim();
Console.WriteLine("Please enter N relations of {{manager}} - {{employee}} or click exit to execute the programe and find the common boss:");
while ((hierarchy = Console.ReadLine().Trim()) != ExitMessage)
{
if (string.IsNullOrEmpty(hierarchy) || !hierarchy.Contains(" - "))
{
Console.WriteLine("Wrong Input. Try again!");
continue;
}
string[] hierarchyArray = hierarchy.Split(new string[] { " - " }, StringSplitOptions.None);
Person manager;
if (personList.Count == 0)
{
manager = new Person(hierarchyArray[0]);
personList.Add(manager);
}
else
{
manager = personList.Find(employee => employee.Name == hierarchyArray[0]);
}
Person emp = new Person(hierarchyArray[1], manager);
try
{
manager.AddEmployee(emp);
}
catch (ArgumentOutOfRangeException ex)
{
Console.WriteLine(ex.ParamName);
}
personList.Add(emp);
}
// Find the equivalent from the input of the employees from string to type Person
Person employeePerson1 = personList.Find(employee => employee.Name == employeeInput1);
Person employeePerson2 = personList.Find(employee => employee.Name == employeeInput2);
List<Person> listBossesPerson1 = GetBossList(employeePerson1);
List<Person> listBossesPerson2 = GetBossList(employeePerson2);
try
{
string commonBoss = GetCommonBoss(listBossesPerson1, listBossesPerson2).Name;
Console.WriteLine("Common boss of {0} and {1} is {2}", employeeInput1, employeeInput2, commonBoss);
}
catch (ArgumentNullException ex)
{
Console.WriteLine(ex.ParamName);
}
}