//ACCEPT A BOOK REQUEST OF INDIVIDUAL USER =>DAL
public bool AcceptRequestDAL(int userId, int bookId)
{
bool isDone = false;
try
{
RequestedBook requestBook = requestedBooks.Find(r => r.UserId == userId && r.BookId == bookId);
RecievedBook recievedBook = new RecievedBook()
{
BookId = requestBook.BookId,
BookName = requestBook.BookName,
DateRecieved = DateTime.Now.Date,
UserId = requestBook.UserId,
UserName = requestBook.UserName
};
recievedBooks.Add(recievedBook);
requestedBooks.Remove(requestBook);
isDone = true;
}
catch (ApplicationException e)
{
isDone = false;
throw new LibraryMSException(e.Message);
}
return(isDone);
}
//DELETE RECIEVED BOOK FROM RECIEVED TABLE =>DAL
public bool DeleteRecievedDAL(int bookId, int userId)
{
bool isDone = false;
try
{
RecievedBook delRecievedBook = recievedBooks.Find(d => d.BookId == bookId && d.UserId == userId);
recievedBooks.Remove(delRecievedBook);
Book book = BookDAL.books.Find(b => b.BookId == bookId);
book.BookCopies = book.BookCopies + 1;
isDone = true;
}
catch (ApplicationException e)
{
isDone = false;
throw new LibraryMSException(e.Message);
}
return(isDone);
}
