public void UpdateBorrowing(int personaID, int bookID, Borrowing borrowing)
{
Borrowing tmp = this.GetBorrowing(personaID, bookID);
if (tmp != null)
{
tmp.Reader = borrowing.Reader;
tmp.Date = borrowing.Date;
tmp.State = borrowing.State;
}
}
public void AddBorrowing(Reader reader, State state)
{
if (reader == null || state == null)
{
throw new ArgumentNullException();
}
Borrowing tmp = new Borrowing(reader, DateTime.Now.Date, state);
_repository.GetAllBorrowing().CollectionChanged += OnAddCollectionChanged;
_repository.AddBorrowing(tmp);
}
//Borrowing
public void AddBorrowing(Borrowing borrowing)
{
if (borrowing.State.Quantity < 1)
{
throw new Exception("Brak ksiazki!");
}
else
{
borrowing.State.Quantity--;
}
if (borrowing != null)
{
_kontekstDanych.borrowingsCollection.Add(borrowing);
}
else
{
throw new ArgumentNullException();
}
}
public void DeleteBorrowing(Borrowing borrowing)
{
_kontekstDanych.borrowingsCollection.Remove(borrowing);
}
public void UpdateBorrowing(int personalID, int bookID, Borrowing borrowing)
{
_repository.UpdateBorrowing(personalID, bookID, borrowing);
}
public void DeleteBorrowing(Borrowing borrowing)
{
_repository.GetAllBorrowing().CollectionChanged += OnDeleteCollectionChanged;
_repository.DeleteBorrowing(borrowing);
}
