private Flat[] RemoveDuplicates(Flat[] flats)
{
int nonNullFlatCount = 0;
foreach (var flat in flats)
{
if (flat != null)
{
nonNullFlatCount++;
}
}
var filteredFlats = new Flat[nonNullFlatCount];
var currentIndex = 0;
foreach (var flat in flats)
{
if (flat != null)
{
filteredFlats[currentIndex++] = flat;
}
}
return(filteredFlats);
}
public void AddFlat(Flat flat)
{
int stairway = GetStairway(flat.Id);
int floor = GetFloor(stairway, flat.Id);
flat.Stairway = stairway;
flat.Floor = floor;
Flats[FlatCount++] = flat;
}
public House(int flatCount)
{
if (flatCount <= MAX_FLAT_COUNT)
{
Flats = new Flat[flatCount];
FlatCount = 0;
}
else
{
throw new Exception($"Cannot create a house with more than {MAX_FLAT_COUNT} flats");
}
}
public Flat[] FilterByRoomCount(int roomCount)
{
var filteredFlats = new Flat[FlatCount];
for (int i = 0; i < FlatCount; i++)
{
if (Flats[i].RoomCount == roomCount)
{
filteredFlats[i] = Flats[i];
}
}
return(RemoveDuplicates(filteredFlats));
}
public Flat[] FilterByPrice(double price)
{
var filteredFlats = new Flat[FlatCount];
for (int i = 0; i < FlatCount; i++)
{
if (Flats[i].Price <= price)
{
filteredFlats[i] = Flats[i];
}
}
return(RemoveDuplicates(filteredFlats));
}
public Flat[] FilterByFloorInterval(int minFloor, int maxFloor)
{
var filteredFlats = new Flat[FlatCount];
for (int i = 0; i < FlatCount; i++)
{
if (Flats[i].Floor >= minFloor && Flats[i].Floor <= maxFloor)
{
filteredFlats[i] = Flats[i];
}
}
return(RemoveDuplicates(filteredFlats));
}
public House(Flat[] flats)
{
if (flats.Length <= MAX_FLAT_COUNT)
{
Flats = new Flat[flats.Length];
FlatCount = 0;
foreach (var flat in flats)
{
AddFlat(flat);
}
}
else
{
throw new Exception($"Cannot create a house with more than {MAX_FLAT_COUNT} flats");
}
}