public static void Main(string[] args)
{
// Connecting to database and pulling data
var musiciansRepository = new MusiciansRepository();
var albumsRepository = new AlbumsRepository();
var songsRepository = new SongsRepository();
var albumsSongsRepository = new AlbumsSongsRepository();
const string connectionString = "Data Source=(LocalDb)\\MSSQLLocalDB;Initial Catalog=Music;Integrated Security=true;MultipleActiveResultSets=true;";
using (var connection = new SqlConnection(connectionString))
{
musiciansRepository.AddList(connection.Query <Musician>("SELECT * FROM Musician").ToList());
albumsRepository.AddList(connection.Query <Album>("SELECT * FROM Album").ToList());
songsRepository.AddList(connection.Query <Song>("SELECT * FROM Song").ToList());
albumsSongsRepository.AddList(connection.Query <AlbumSong>("SELECT * FROM AlbumSong").ToList());
}
musiciansRepository.CreateRelations();
albumsRepository.CreateRelations();
// Task 1
NewTask("Task 1");
Console.WriteLine("All musicians ordered by name: ");
musiciansRepository.GetAll()
.OrderBy(musician => musician.Name)
.ToList()
.ForEach(musician => Console.WriteLine(musician.ToString()));
// Task 2
NewTask("Task 2");
Console.Write("Choose nationality (0-1): ");
var selectedNationality = (Nationalities)int.Parse(Console.ReadLine());
musiciansRepository.GetAll()
.Where(musician => musician.Nationality == selectedNationality)
.ToList()
.ForEach(musician => Console.WriteLine(musician.ToString()));
// Task 3
NewTask("Task 3");
var groupedAlbumsRepository = albumsRepository.GetAll()
.GroupBy(album => album.ReleaseDate.Year)
.ToList();
groupedAlbumsRepository.ForEach(albumGroup => {
Console.WriteLine($"{albumGroup.Key}:");
albumGroup.ToList().ForEach(album => Console.WriteLine(album.ToString()));
});
// Task 4
NewTask("Task 4");
Console.Write("Input album name: ");
var selectedText = Console.ReadLine();
Console.WriteLine("All albums containing selected text: ");
albumsRepository.GetAll()
.Where(album => selectedText != null && album.Name.Contains(selectedText))
.ToList()
.ForEach(album => Console.WriteLine(album.ToString()));
// Task 5
NewTask("Task 5");
Console.WriteLine("Duration of all albums: ");
albumsRepository.GetAll()
.ForEach(album => Console.WriteLine($"{album.Name}: {album.Duration() / 60} minutes and {album.Duration() % 60} seconds"));
// Task 6
NewTask("Task 6");
Console.Write("Input name of the song: ");
var selectedSong = Console.ReadLine();
var selectedSongAsSong = songsRepository.GetAll().FirstOrDefault(song => selectedSong != null && song.Name.Contains(selectedSong));
Console.WriteLine("All albums with selected song: ");
albumsRepository.GetAll()
.Where(album => album.SongsList.Contains(selectedSongAsSong))
.ToList()
.ForEach(album => Console.WriteLine(album.ToString()));
// Task 7
NewTask("Task 7");
Console.Write("Input musician name: ");
var selectedMusician = Console.ReadLine();
Console.Write("Input release year: ");
var selectedReleaseYear = int.Parse(Console.ReadLine());
albumsRepository.GetAll()
.Where(album => selectedMusician != null && (album.Musician.Name.Contains(selectedMusician) && album.ReleaseDate.Year > selectedReleaseYear))
.ToList()
.ForEach(album => album.SongsList.ForEach(song => Console.WriteLine(song.ToString())));
}