public int CalculateQuantity(string name, string writer, LibaryItem item)
{
var ListOfItems = GetAllItems();
int copyNumber = 1;
if (item.GetType() == typeof(Book))
{
for (int i = ListOfItems.Count - 1; i >= 0; i--)
{
Book b = ListOfItems[i] as Book;
if (name == ListOfItems[i].ItemName && writer == b.WriterName)
{
copyNumber = ListOfItems[i].CopyNumber + 1;
return(copyNumber);
}
}
return(copyNumber);
}
if (item.GetType() == typeof(Journal))
{
for (int i = ListOfItems.Count - 1; i >= 0; i--)
{
Journal b = ListOfItems[i] as Journal;
if (name == ListOfItems[i].ItemName && writer == b.Editor)
{
copyNumber = ListOfItems[i].CopyNumber + 1;
return(copyNumber);
}
}
return(copyNumber);
}
return(copyNumber);
}
public void Remove(LibaryItem libaryItem)
{
try { ListOfItems.Remove(libaryItem); }
catch { throw new Exception(); }
}
public async void Add(LibaryItem libaryItem)
{
try { ListOfItems.Add(libaryItem); await UpdateAll(); }
catch { throw new Exception(); }
}
public void RemoveItem(LibaryItem libaryItem)
{
itemRepository.Remove(libaryItem);
}
public void AddItem(LibaryItem libaryItem)
{
itemRepository.Add(libaryItem);
}
