コード例 #1
0
        public Borrowing Create(string bookTitle, string accountName)
        {
            // TODO Should be dependency injection here 2x
            var dbBookService = new DbBookService(Database);
            var book          = dbBookService.Read(bookTitle);

            var dbAccountService = new DbAccountService(Database);
            var account          = dbAccountService.Read(accountName);

            if (Database.BorrowingsTbl.Any(x => x.BookId == book.Id))
            {
                return(null);
            }
            else
            {
                var borrowing = new Borrowing {
                    WhenBorrowed = DateTime.Now
                };

                book.Borrowings.Add(borrowing);
                account.BooksBorrowed.Add(borrowing);
                Database.SaveChanges();

                return(borrowing);
            }
        }
コード例 #2
0
        public void Create(string bookTitle, string categoryDescription, string accountName)
        {
            // TODO Should be dependency injection here 3x
            var dbBookService = new DbBookService(Database);
            var book          = dbBookService.Read(bookTitle);

            var dbCathegoryService = new DbCategoryServices(Database);
            var category           = dbCathegoryService.Read(categoryDescription);

            var dbAccountService = new DbAccountService(Database);
            var account          = dbAccountService.Read(accountName);

            var bookCat = new BookCategory {
                When = DateTime.Now, Who = account
            };

            book.BelongsToCatgegories.Add(bookCat);
            category.BooksBelongsToCategory.Add(bookCat);

            Database.SaveChanges();
        }