/// <summary>
/// Tells if book is newer.
/// </summary>
/// <param name="bookToCheck">Book to check.</param>
/// <returns>True if book is published later than in given year.</returns>
/// <exception cref="ArgumentException">Thrown if book to check is null.</exception>
public bool IsMatch(Book bookToCheck)
{
BookValidator.CheckOnNull(bookToCheck);
if (bookToCheck.PublicationYear > this.year)
{
return(true);
}
return(false);
}
/// <summary>
/// Tells if title contain substring.
/// </summary>
/// <param name="bookToCheck">Book to check.</param>
/// <returns>True if if title contain substring, otherwise - null.</returns>
/// <exception cref="ArgumentException">Thrown if book to check is null.</exception>
public bool IsMatch(Book bookToCheck)
{
BookValidator.CheckOnNull(bookToCheck);
if (bookToCheck.Name.ToLower().Contains(this.searchSubstring.ToLower()))
{
return(true);
}
return(false);
}
/// <summary>
/// Method that returns the result of comparison of years.
/// </summary>
/// <param name="firstBook">First book.</param>
/// <param name="secondBook">Second book.</param>
/// <returns>Returns 0 of publication years are the same.
/// Returns 1 if first book was published earlier than second. Otherwise it returns -1.</returns>
public int Compare(Book firstBook, Book secondBook)
{
BookValidator.CheckOnNull(firstBook);
BookValidator.CheckOnNull(secondBook);
return(secondBook.AmountOfPages - firstBook.AmountOfPages);
}
public bool IsMatch(Book bookToCheck)
{
BookValidator.CheckOnNull(bookToCheck);
return(bookToCheck.Isbn == this.isbn);
}