public RequestAvaibility Check(PreReservationViewModel preReservation)
{
var result = new RequestAvaibility();
var freeTables = GetAvailable(preReservation);
AddTables(ref freeTables, preReservation.HowManyPeoples, ref result);
return(result);
}
public static void AddTables(ref List <Table> freeTables, int ammountOfPeople, ref RequestAvaibility result)
{
if (ammountOfPeople > 0)
{
var exactAmount = freeTables.FirstOrDefault(ft => ft.Capacity == ammountOfPeople);
if (exactAmount != null)
{
result.IsAvailable = true;
result.TableList.Add(exactAmount);
ammountOfPeople = 0;
AddTables(ref freeTables, ammountOfPeople, ref result);
}
else
{
var totalCapacity = freeTables.Sum(ft => ft.Capacity);
if (totalCapacity < ammountOfPeople)
{
result.IsAvailable = false;
ammountOfPeople = 0;
AddTables(ref freeTables, ammountOfPeople, ref result);
}
else
{
var biggerTable = freeTables.Where(ft => ft.Capacity > ammountOfPeople)
.OrderBy(ft => ft.Capacity).FirstOrDefault();
if (biggerTable != null)
{
result.IsAvailable = true;
result.TableList.Add(biggerTable);
freeTables.Remove(biggerTable);
ammountOfPeople = ammountOfPeople - biggerTable.Capacity;
AddTables(ref freeTables, ammountOfPeople, ref result);
}
else
{
result.IsAvailable = true;
var table = freeTables.OrderByDescending(ft => ft.Capacity).FirstOrDefault();
result.TableList.Add(table);
freeTables.Remove(table);
ammountOfPeople = ammountOfPeople - table.Capacity;
AddTables(ref freeTables, ammountOfPeople, ref result);
}
}
}
}
}