public AddBorrowStatusCodes AddBorrow(int customerNumber, string bookTitle)
{
var newBorrowDate = DateTime.Today;
var newReturnDate = DateTime.Today.AddDays(30);
var customer = customerManager.GetCustomerByCustomerNumber(customerNumber);
if (customer == null)
{
return(AddBorrowStatusCodes.NoSuchCustomer);
}
var book = bookManager.GetBookByBookTitle(bookTitle);
if (book == null)
{
return(AddBorrowStatusCodes.NoSuchBook);
}
var newBorrow = borrowManager.GetBorrowFromCustomerAndBook(customerNumber, bookTitle);
if (book.IsBorrowed == true)
{
if (newBorrow != null && customer.Debt == 0)
{
borrowManager.ExtendBorrowDate(newBorrow.BorrowID, newBorrowDate, newReturnDate);
borrowManager.AddToHistoryListOfBorrow(customerNumber, bookTitle, newBorrowDate);
return(AddBorrowStatusCodes.ExtendBorrowForCustomer);
}
else if (newBorrow != null && customer.Debt > 0)
{
return(AddBorrowStatusCodes.CustomerHasDebtCanNotExtendBorrow);
}
return(AddBorrowStatusCodes.BookIsUnavailable);
}
if (borrowManager.GetAllCurrentBorrowFromCustomer(customerNumber).Count >= 5)
{
return(AddBorrowStatusCodes.CustomerCanNotExceedMaxBookQuantity);
}
if (customer.Debt > 0)
{
return(AddBorrowStatusCodes.CustomerHasDebt);
}
borrowManager.AddBorrow(customerNumber, bookTitle, newBorrowDate, newReturnDate);
borrowManager.AddBorrowToBook(bookTitle, true, newBorrow);
borrowManager.AddToHistoryListOfBorrow(customerNumber, bookTitle, newBorrowDate);
return(AddBorrowStatusCodes.Ok);
}
public List <Customer> GetListOfCustomersWithBirthdayToday()
{
var customersWithBirthday = new List <Customer>();
foreach (Customer customer in customerManager.GetAllCustomers())
{
if (customer.DateOfBirth.Month == DateTime.Today.Month && customer.DateOfBirth.Day == DateTime.Today.Day)
{
customersWithBirthday.Add(customer);
if (DateTime.Today.Year - customer.DateOfBirth.Year == 15)
{
borrowManager.AddBorrow(customer, SendMostPopularBook(customer));
}
}
}
return(customersWithBirthday);
}
public BorrowErrorCodes BorrowBook(int customerID, string bookTitle)
{
var customer = customerManager.GetCustomer(customerID);
if (customer == null)
{
return(BorrowErrorCodes.NoSuchCustomer);
}
var book = bookManager.GetListOfBooksByTitle(bookTitle);
if (book == null)
{
return(BorrowErrorCodes.NoSuchBook);
}
if (customer.Borrows != null && CheckIfCustomerAlreadyBorrowedBook(customer, book.First()) == true)
{
return(BorrowErrorCodes.CustomerBorrowHasBeenExteneded);
}
if (CheckIfCanBorrow(customer) == false)
{
return(BorrowErrorCodes.CustomerNotAllowedToBorrowMoreBooks);
}
var availableBook = new List <Book>();
foreach (Book book1 in book)
{
if (book1.Borrow == null)
{
availableBook.Add(book1);
}
}
if (availableBook.Count == 0)
{
return(BorrowErrorCodes.BookAlreadyBorrowed);
}
borrowManager.AddBorrow(customer, availableBook.First());
return(BorrowErrorCodes.ok);
}