/// <summary>
/// Initialise the data.
/// </summary>
private void LoadDatabase()
{
Book bk1 = new Book()
{
Id = 1,
Title = "The furst book",
Author = "Someone",
Copies = new List<Copy>()
};
bk1.Copies.Add(new Copy() { IsAvailable = false });
bk1.Copies.Add(new Copy() { IsAvailable = true });
Book bk2 = new Book()
{
Id = 2,
Title = "The Second book",
Author = "Someone Else",
Copies = new List<Copy>()
};
bk2.Copies.Add(new Copy() { IsAvailable = false });
Book bk3 = new Book()
{
Id = 3,
Title = "The Third book",
Author = "Someone",
Copies = new List<Copy>()
};
bk3.Copies.Add(new Copy() { IsAvailable = false });
bk3.Copies.Add(new Copy() { IsAvailable = true });
bk3.Copies.Add(new Copy() { IsAvailable = true });
_library.Add(bk1);
_library.Add(bk2);
_library.Add(bk3);
}
/// <summary>
/// Add a book to the fake database
/// </summary>
/// <param name="book">The book to be added</param>
/// <returns>The Id of the book added.</returns>
/// <remarks>
/// If the book already exists, comparison by Title,
/// then the copies are added to it.
/// </remarks>
public int AddBook(Book book)
{
int rc = 0;
// Look for the book by Title.
var idx = _library.FindIndex(b => b.Title == book.Title);
if (idx >= 0)
{
// Update existing by adding the number of copies
foreach (var c in book.Copies)
_library[idx].Copies.Add(c);
rc = _library[idx].Id;
}
else
{
// Assign the next available id.
book.Id = GetNextId();
// Add a new book to the library
_library.Add(book);
rc = book.Id;
}
return rc;
}