private static void OCPWithExtensionMethods()
{
var resultCategory = new FilterBookWithoutOCP_V1().FilterByCategory(BooksToFilter, TypeCategory.Philosophy);
var resultLanguage = new FilterBookWithoutOCP_V1().FilterByLanguage(BooksToFilter, TypeLanguage.EN);
Console.WriteLine(
string.Format("Princípio OCP aplicado utilizando Extension Methods, {0} items encontrados para a categoria Filosofy, {1} items encontrados para o idioma EN",
resultCategory.Count().ToString(),
resultLanguage.Count().ToString())
);
}
public static IEnumerable <Book> FilterByLanguage(this FilterBookWithoutOCP_V1 filter,
IList <Book> list, TypeLanguage language)
{
return(list.Where(x => x.TypeLanguage.Equals(language)).ToList());
}
public static IEnumerable <Book> FilterByCategory(this FilterBookWithoutOCP_V1 filer,
IList <Book> list, TypeCategory category)
{
return(list.Where(x => x.TypeCategory.Equals(category)).ToList());
}
