public void Return(Book book, User user)
{
Reservation reservationToReturn = db.Reservations
.Where(reservation => reservation.BookId == book.Id && reservation.EndDate == null).SingleOrDefault();
if (reservationToReturn != null)
{
var userId = GetUserId(user.Name);
if (reservationToReturn.UserId != userId)
{
throw new System.InvalidOperationException("You cannot return a book that someone else borrowed");
}
else
{
reservationToReturn.EndDate = System.DateTime.Now.ToString();
db.SaveChanges();
}
}
else
{
throw new System.InvalidOperationException("You cannot return a book that has not been borrowed");
}
}
public void Add(Reservation entity)
{
Book relevantBook = _dbContext.Books
.OrderBy(b => b.id)
.Where(b => b.id == entity.book.id)
.SingleOrDefault();
if (relevantBook == null)
{
throw new InvalidOperationException("That book doesn't exist");
}
entity.book = relevantBook;
if (reservationValid(entity))
{
_dbContext.Reservations.Add(entity);
_dbContext.SaveChanges();
}
else
{
throw new InvalidOperationException("Book already reserved at that time");
};
}
public FilledBookRepository(ILibraryContext dbContext)
{
_dbContext = dbContext;
if (_dbContext.Books.Count() == 0)
{
_dbContext.Books.Add(new Book {
title = "Tennis", isbn = "11111", author = "Andy Murray", publishDate = "01/01/2001"
});
_dbContext.Books.Add(new Book {
title = "All about tennis", isbn = "22222", author = "Tim Henman", publishDate = "02/02/2002"
});
_dbContext.Books.Add(new Book {
title = "Yeah tennis", isbn = "33333", author = "Boris Becker", publishDate = "03/03/2003"
});
}
_dbContext.SaveChanges();
}
public void Add(Book entity)
{
_dbContext.Books.Add(entity);
_dbContext.SaveChanges();
}
public void Add(Book entity)
{
db.Books.Add(entity);
db.SaveChanges();
}
public void SaveChanges()
{
_db.SaveChanges();
}
public void SaveChanges()
{
LibraryDb.SaveChanges();
}