public void AddStorage(DataStorage storage) //Method for adding Data Storage
{
_storages.Add(storage);
Console.WriteLine($"Storage {storage.Name} was added");
}
public void Change(int index, string value, DataStorage storage) //Method for changing some property of some Data Storage
{
if (_storages.Count == 0)
{
Console.WriteLine("There are no items!");
return;
}
if (!(_storages.Contains(storage)))
{
Console.WriteLine("Item doesn't belong to list");
return;
}
else
{
switch (index)
{
case 0: //if we want to change Name
storage.Name = value;
break;
case 1: //if we want to change Producer
storage.Producer = value;
break;
case 2: //if we want to change Model
storage.Model = value;
break;
case 3: //if we want to change Quantity
int quantity;
try
{
quantity = Int32.Parse(value);
}
catch (Exception)
{
Console.WriteLine("Invalid value!");
break;
}
storage.Quantity = quantity;
break;
case 4: //if we want to change price
decimal price;
try
{
price = Decimal.Parse(value);
}
catch (Exception)
{
Console.WriteLine("Invalid value!");
break;
}
storage.Price = price;
break;
case 5: //if we want to change the first unique class property
if (storage is Dvd) //if object is Dvd we changing the Writing Speed
{
double writingSpeed;
try
{
writingSpeed = Double.Parse(value);
}
catch (Exception)
{
Console.WriteLine("Invalid value!");
break;
}
Dvd dvd = storage as Dvd;
dvd.WritingSpeed = writingSpeed;
}
else if (storage is Hdd) //if object is Hdd we changing the Disk Size
{
int diskSize;
try
{
diskSize = Int32.Parse(value);
}
catch (Exception)
{
Console.WriteLine("Invalid value!");
break;
}
Hdd hdd = storage as Hdd;
hdd.DiskSize = diskSize;
}
else //if object is Flash Drive we changing the Memory Amount
{
int memoryAmount;
try
{
memoryAmount = Int32.Parse(value);
}
catch (Exception)
{
Console.WriteLine("Invalid value!");
break;
}
FlashDrive flashDrive = storage as FlashDrive;
flashDrive.MemoryAmount = memoryAmount;
}
break;
case 6: //if we want to change the second unique class property
double num; //one variable, cause second unqie class property anyway has type double
try
{
num = double.Parse(value);
}
catch (Exception)
{
Console.WriteLine("Invalid value!");
break;
}
if (storage is Dvd) //if object is Dvd we changing the Reading Speed
{
Dvd dvd = storage as Dvd;
dvd.ReadingSpeed = num;
}
else if (storage is Hdd) //if object is Hdd we changing the Speed
{
Hdd hdd = storage as Hdd;
hdd.Speed = num;
}
else //if object is Flash Drive we changing the Speed
{
FlashDrive flashDrive = storage as FlashDrive;
flashDrive.Speed = num;
}
break;
default: //if index is invalid
Console.WriteLine("Invalid index!");
break;
}
}
}
