/// <inheritdoc/>
public void AddBook(BookInfo book)
{
if (book == null)
{
throw new ArgumentNullException(nameof(book), "Argument is null");
}
foreach (var itemBook in this.books)
{
if (book.Equals(itemBook))
{
throw new ArgumentException($"The book is in the collection");
}
}
this.Books.Add(book);
}
/// <inheritdoc/>
public void AddBook(BookInfo book)
{
logger.Info("Adding new book in collection.");
if (book == null)
{
throw new ArgumentNullException(nameof(book), "Argument is null.");
}
foreach (var itemBook in this.books)
{
if (book.Equals(itemBook))
{
throw new ArgumentException($"The book is in the collection.");
}
}
try
{
this.Books.Add(book);
}
catch (Exception ex)
{
logger.Info("Unhandled exception while adding new book:");
logger.Info(ex.Message);
logger.Error(ex.StackTrace);
throw;
}
finally
{
if (this.Books.Contains(book))
{
logger.Info("Book successfully added.");
}
else
{
logger.Info("Book cannot be added.");
}
}
}
