private void DisplayInformationAboutTheLibrary()
{
Console.Clear();
Console.WriteLine("The library has {0} books.", BooksList.Count);
var groupedBooksByGenre = BooksList.GroupBy(book => book.Genere);
foreach (var group in groupedBooksByGenre)
{
Console.WriteLine("There are {0} in genere {1}", group.Count(), group.Key);
foreach (var book in group)
{
Console.WriteLine(book);
}
}
var theNewestBookYearOfPublication = BooksList.Max(book => book.YearOfPublication);
var theNewestBooks = BooksList.Where(book => book.YearOfPublication == theNewestBookYearOfPublication);
Console.WriteLine("The newest books are:");
foreach (var book in theNewestBooks)
{
Console.WriteLine(book);
}
var theOldestBookYearOfPublication = BooksList.Min(book => book.YearOfPublication);
var theOldestBooks = BooksList.Where(book => book.YearOfPublication == theOldestBookYearOfPublication);
Console.WriteLine("The oldest books are:");
foreach (var book in theOldestBooks)
{
Console.WriteLine(book);
}
var theMostPopularBookIndex = BooksList.Max(book => book.PopularityIndex);
var theMostPopularBooks = BooksList.Where(book => book.PopularityIndex == theMostPopularBookIndex);
Console.WriteLine("The most popular books are:");
foreach (var book in theMostPopularBooks)
{
Console.WriteLine(book);
}
var theMostUnPopularBookIndex = BooksList.Min(book => book.PopularityIndex);
var theMostUnPopularBooks = BooksList.Where(book => book.PopularityIndex == theMostUnPopularBookIndex);
Console.WriteLine("The most unpopular books are:");
foreach (var book in theMostUnPopularBooks)
{
Console.WriteLine(book);
}
Console.WriteLine("Please, press any key to continue...");
Console.ReadLine();
}
private void DisplayInformationAboutTheMostPopularBook()
{
Console.Clear();
var groupedBooksByGenre = BooksList.GroupBy(book => book.Genere);
foreach (var group in groupedBooksByGenre)
{
var theMostPopularBookIndex = group.Max(book => book.PopularityIndex);
var theMostPopularBooks = BooksList.Where(book => book.PopularityIndex == theMostPopularBookIndex);
Console.WriteLine("The most popular books in genre {0} are:", group.Key);
foreach (var book in theMostPopularBooks)
{
Console.WriteLine(book);
}
}
}
private void FindBooksByTheAuthor()
{
Console.Clear();
Console.WriteLine("Please, print the book's author.");
var author = Console.ReadLine();
var isAnyAuthorBook = BooksList.Any(book => book.Author == author && book.Count > 0);
if (isAnyAuthorBook)
{
var findedBooks = BooksList.Where(book => book.Author == author && book.Count > 0);
foreach (var findedBook in findedBooks)
{
Console.WriteLine(findedBook);
}
}
else
{
Console.WriteLine("There isn't any book of the author.");
}
}