public void bookReturned(int bookId, string author, string title, bool byThisUser)
{
BookReturnedDTO bookReturnedDto = new BookReturnedDTO(bookId, author, title, byThisUser);
LibraryUserEventArgs libraryUserEventArgs = new LibraryUserEventArgs(LibraryUserEvent.BookReturned, bookReturnedDto);
Console.WriteLine("Book returned");
OnUserEvent(libraryUserEventArgs);
}
public void bookUpdated(int bookId, int newQuantity, bool byThisUser)
{
BookBorrowedDTO bookBorrowedDto = new BookBorrowedDTO(bookId, newQuantity, byThisUser);
LibraryUserEventArgs libraryUserEventArgs = new LibraryUserEventArgs(LibraryUserEvent.BookBorrowed, bookBorrowedDto);
Console.WriteLine("Book updated");
OnUserEvent(libraryUserEventArgs);
}
public void bookUpdated(int bookId, int newQuantity)
{
BookQuantityDTO bookQuantityDto = new BookQuantityDTO(bookId, newQuantity);
LibraryUserEventArgs libraryUserEventArgs = new LibraryUserEventArgs(LibraryUserEvent.BookUpdated, bookQuantityDto);
Console.WriteLine("Book updated");
OnUserEvent(libraryUserEventArgs);
}
protected virtual void OnUserEvent(LibraryUserEventArgs e)
{
if (updateEvent == null)
{
return;
}
updateEvent(this, e);
Console.WriteLine("Update Event called");
}
public void userUpdate(object sender, LibraryUserEventArgs e)
{
if (e.UserEventType == LibraryUserEvent.BookUpdated)
{
BookQuantityDTO bookQuantityDto = (BookQuantityDTO)e.Data;
Book updated = null;
foreach (Book availableBook in availableBooks)
{
if (availableBook.Id == bookQuantityDto.BookId)
{
updated = availableBook;
}
}
if (bookQuantityDto.NewQuantity == 0)
{
availableBooks.Remove(updated);
}
else
{
updated.Available = bookQuantityDto.NewQuantity;
}
availableBooksList.DataSource = null;
availableBooksList.DataSource = availableBooks;
}
if (e.UserEventType == LibraryUserEvent.BookReturned)
{
BookDTO bookDto = (BookDTO)e.Data;
Book returnedAvailable = null;
foreach (Book availableBook in availableBooks)
{
if (availableBook.Id == bookDto.Id)
{
returnedAvailable = availableBook;
}
}
if (returnedAvailable == null)
{
returnedAvailable = new Book(bookDto.Id, bookDto.Author, bookDto.Title, 1);
availableBooks.Add(returnedAvailable);
}
else
{
returnedAvailable.Available++;
}
Book returnedUser = null;
foreach (Book userBook in userBooks)
{
if (userBook.Id == bookDto.Id)
{
returnedUser = userBook;
}
}
userBooks.Remove(returnedUser);
userBooksList.DataSource = null;
userBooksList.DataSource = userBooks;
availableBooksList.DataSource = null;
availableBooksList.DataSource = availableBooks;
}
}
