/// <summary>
/// Adds a Book object to the database
/// </summary>
/// <param name="title"></param>
/// <param name="author"></param>
/// <param name="description"></param>
/// <param name="genre"></param>
/// <param name="dateAdded"></param>
/// <param name="price"></param>
/// <returns>Book Id</returns>
public int AddBook(string title, string author, string description, string genre, DateTime dateAdded, double price)
{
using (RENTIT21Entities proxy = new RENTIT21Entities())
{
SMUbook theBook = new SMUbook()
{
title = title,
author = author,
description = description,
genre = genre,
price = price,
dateAdded = dateAdded,
SMUrentals = new Collection<SMUrental>(),
};
proxy.SMUbooks.Add(theBook);
proxy.SaveChanges();
return theBook.id;
}
}
/// <summary>
/// Returns a Book object
/// </summary>
/// <param name="theBook">A SMUBook object</param>
/// <returns></returns>
public Book GetBookRepresentation(SMUbook theBook)
{
using (RENTIT21Entities context = new RENTIT21Entities())
{
var books = from book in context.SMUbooks
where book.id == theBook.id
select book;
if (books.Any() == false)
{
throw new ArgumentException("No book with bookId = " + theBook.id);
}
return books.First().GetBook();
}
}
