/// <summary>
/// IFormattable interface implementation.
/// </summary>
/// <param name="format">Format type.</param>
/// <param name="formatProvider">Culture.</param>
/// <returns>Book as a string with particular format.</returns>
public string ToString(string format, IFormatProvider formatProvider)
{
if (string.IsNullOrEmpty(format))
{
format = "FULL";
}
if (formatProvider == null)
{
formatProvider = CultureInfo.CurrentCulture;
}
string outputDateFormat = "yyyy";
switch (format.ToUpperInvariant())
{
case "FULL":
return
($"ISBN: {ISBN}" +
$"\nAuthor: {Author}" +
$"\nTitle: {Title}" +
$"\nPublisher: {Publisher}" +
$"\nYear published: {YearPublished.ToString(outputDateFormat)}" +
$"\nPages: {Pages}" +
$"\nPrice: {Price}" +
$"\n\n");
case "AT":
return
($"Author: {Author}" +
$"\nTitle: {Title}" +
$"\n\n");
case "IATPUYPR":
return
($"ISBN: {ISBN}" +
$"\nAuthor: {Author}" +
$"\nTitle: {Title}" +
$"\nPublisher: {Publisher}" +
$"\nYear published: {YearPublished.ToString(outputDateFormat)}" +
$"\nPrice: {Price}" +
$"\n\n");
default:
throw new FormatException(string.Format("The {0} format string is not supported.", format));
}
}
public override int GetHashCode()
{
var hashCode = -1891000852;
hashCode = hashCode * -1521134295 + Id.GetHashCode();
hashCode = hashCode * -1521134295 + EqualityComparer <string> .Default.GetHashCode(Title);
hashCode = hashCode * -1521134295 + EqualityComparer <string> .Default.GetHashCode(Author);
hashCode = hashCode * -1521134295 + EqualityComparer <string> .Default.GetHashCode(Genre);
hashCode = hashCode * -1521134295 + YearPublished.GetHashCode();
hashCode = hashCode * -1521134295 + EqualityComparer <string> .Default.GetHashCode(Publisher);
hashCode = hashCode * -1521134295 + Rating.GetHashCode();
return(hashCode);
}
public override string ToString()
{
string outputDateFormat = "yyyy";
string bookToString =
$"Id: {Id}" +
$"\nISBN: {ISBN}" +
$"\nAuthor: {Author}" +
$"\nTitle: {Title}" +
$"\nPublisher: {Publisher}" +
$"\nYear published: {YearPublished.ToString(outputDateFormat)}" +
$"\nPages: {Pages}" +
$"\nPrice: {Price}" +
$"\n\n";
return(bookToString);
}
public override int GetHashCode()
{
var hashCode = -619652410;
hashCode = (hashCode * -1521134295) + this.Id.GetHashCode();
hashCode = (hashCode * -1521134295) + EqualityComparer <string> .Default.GetHashCode(this.ISBN);
hashCode = (hashCode * -1521134295) + EqualityComparer <string> .Default.GetHashCode(Author);
hashCode = (hashCode * -1521134295) + EqualityComparer <string> .Default.GetHashCode(Title);
hashCode = (hashCode * -1521134295) + EqualityComparer <string> .Default.GetHashCode(Publisher);
hashCode = (hashCode * -1521134295) + YearPublished.GetHashCode();
hashCode = (hashCode * -1521134295) + Pages.GetHashCode();
hashCode = (hashCode * -1521134295) + Price.GetHashCode();
return(hashCode);
}