public VaccAssigner Vaccinate()
{
var prevHead = Head;
Head = Head?.Next;
return(prevHead);
}
public void Add(VaccAssigner newPerson)
{
if (Next is null)
{
Next = newPerson;
return;
}
if (Next.VacCat.CompareTo(newPerson.VacCat) > 0)
{
var temp = Next;
Next = newPerson;
Next.Next = temp;
return;
}
Next.Add(newPerson);
}
public void RegisterPerson(T1 newPerson, VacCat vacCat)
{
if (Head == null)
{
Head = new VaccAssigner(newPerson, vacCat);
return;
}
if (Head.VacCat.CompareTo(vacCat) > 0)
{
Head = new VaccAssigner(newPerson, vacCat)
{
Next = Head
};
return;
}
if (Head.Next is null)
{
Head.Next = new VaccAssigner(newPerson, vacCat);
return;
}
Head.Add(new VaccAssigner(newPerson, vacCat));
}
public T1[] VaccinateWholeCat()
{
if (Head is null)
{
return(null);
}
var cat = Head.VacCat;
var vaccCatCount = 0;
for (var curr = Head; curr != null; curr = curr.Next) // if head is null -> skip for_loop
{
if (curr.VacCat == cat)
{
vaccCatCount++;
}
}
var vaccinated = new T1[vaccCatCount];
var cnt = 0;
for (var curr = Head; curr != null; curr = curr.Next)
{
if (curr.VacCat == cat)
{
vaccinated[cnt] = (T1)curr.Person;
cnt++;
}
}
Head.Remove(cat);
if (Head.VacCat == cat)
{
Head = Head.Next;
}
return(vaccinated);
}