public static void InitializeCurrentTest(TestContext testContext)
{
_catalog = new CatalogDictionary()
{
new Book("1111111111111", "A", new DateTime(2000, 10, 10)),
new Book("2222222222222", "B", new DateTime(1990, 10, 10)),
new Book("3333333333333", "C", new DateTime(1980, 10, 10))
};
}
public static void Main(string[] args)
{
var alan = new Author("Alan", "Cooper");
var bob = new Author("Bob", "Smith");
var authorsOfFirst = new List <Author>
{
alan,
bob
};
var authorsOfSecond = new List <Author>
{
alan
};
var catalog = new CatalogDictionary
{
new Book("111-1-11-111111-1", "The catcher in the rye", DateTime.Now, authorsOfFirst),
new Book("3333333333333", "The great Gatsby", new DateTime(1987, 05, 05), authorsOfSecond),
new Book("1111111111111", "The catcher", DateTime.Now, authorsOfFirst),
};
Console.WriteLine(catalog["111-1-11-111111-1".Replace("-", "")].Name);
Console.WriteLine(catalog["1111111111111"].Name);
Console.WriteLine("***");
foreach (var item in catalog.GetBookByCurrentAuthor(new Author("ALAN", "COOPER")))
{
Console.WriteLine(item.Name);
}
Console.WriteLine("***");
foreach (var item in catalog.SortBooksDescending())
{
Console.WriteLine(item.PublicationDate);
}
Console.WriteLine();
foreach (var(author, count) in catalog.GetStatisticsOnAuthors())
{
Console.Write(author.FirstName + " " + author.SecondName + " ");
Console.WriteLine(count);
Console.WriteLine();
}
Console.WriteLine(catalog[0].Equals(catalog[1]));
Console.ReadKey();
}
public void SortBooksDescending_SortedNewCollection_SortedCollectionReturned()
{
var newCatalog = new CatalogDictionary()
{
new Book("2222222222222", "B", new DateTime(1990, 10, 10)),
new Book("1111111111111", "A", new DateTime(2000, 10, 10)),
new Book("3333333333333", "C", new DateTime(1980, 10, 10))
};
var sortedCatalog = newCatalog.SortBooksDescending();
Assert.AreEqual(_catalog[0], sortedCatalog.ToList()[0]);
Assert.AreEqual(_catalog[1], sortedCatalog.ToList()[1]);
Assert.AreEqual(_catalog[2], sortedCatalog.ToList()[2]);
// Assert.IsTrue(_catalog.SequenceEqual(newCatalog, new CatalogEqualityComparer()));
}
/// <summary>
/// Transforms the collection into a dictionary containing collections of <see cref="ICatalog"/> elements grouped by culture.
/// </summary>
/// <param name="collection">The collection of <see cref="ICatalog"/> to transform.</param>
/// <returns></returns>
public static CatalogDictionary GroupByCulture(this IEnumerable <ICatalog> collection)
{
// dictionary to store all groups for the culture name
var catalogs = new CatalogDictionary();
// group all by catalogs by the variation of the specified culture name
foreach (var g in collection.GroupBy(r => r.Culture.Name))
{
// add catalogs to a list for each language group
var list = new List <ICatalog>();
foreach (var cat in g)
{
list.Add(cat);
}
catalogs.Add(g.Key, list);
}
return(catalogs);
}
