public void AddToCart(Song song)
{
// Get the matching cart and album instances
var cartItem = db.Playlists.SingleOrDefault(
c => c.playlistID == PlaylistCartId
&& c.songID == song.songID);
if (cartItem == null)
{
// Create a new cart item if no cart item exists
cartItem = new Playlist
{
songID = song.songID,
playlistID = PlaylistCartId,
count = 1,
};
db.Playlists.Add(cartItem);
}
else
{
// If the item does exist in the cart, then add one to the quantity
cartItem.count++;
}
// Save changes
db.SaveChanges();
}
// POST api/Songs
public HttpResponseMessage PostSong(Song song)
{
if (ModelState.IsValid)
{
var newArtist = (from artist in db.Artists
where artist.ArtistId == song.ArtistId
select artist).FirstOrDefault();
song.Artist = newArtist;
var newAlbum = (from album in db.Albums
where album.AlbumId == song.AlbumId
select album).FirstOrDefault();
song.Album = newAlbum;
db.Songs.Add(song);
db.SaveChanges();
HttpResponseMessage response = Request.CreateResponse(HttpStatusCode.Created, song);
response.Headers.Location = new Uri(Url.Link("DefaultApi", new { id = song.SongId }));
return response;
}
else
{
return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
}
}
// PUT api/Songs/5
public HttpResponseMessage PutSong(int id, Song song)
{
if (!ModelState.IsValid)
{
return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
}
if (id != song.SongId)
{
return Request.CreateResponse(HttpStatusCode.BadRequest);
}
db.Entry(song).State = EntityState.Modified;
try
{
db.SaveChanges();
}
catch (DbUpdateConcurrencyException ex)
{
return Request.CreateErrorResponse(HttpStatusCode.NotFound, ex);
}
return Request.CreateResponse(HttpStatusCode.OK);
}
public static void SongsDemo()
{
Client.DefaultRequestHeaders.Accept.Add(
new MediaTypeWithQualityHeaderValue("application/json"));
// Uncomment lines below to work with xml.
//Client.DefaultRequestHeaders.Accept.Add(
//new MediaTypeWithQualityHeaderValue("application/xml"));
Console.WriteLine("Try add data");
Artist testArtist = new Artist() { Name = "Grafa", DateOfBirth = DateTime.Now, Country = "Bulgaria" };
Song testSong = new Song() { Artist = testArtist, Genre = "Pop", Title = "Ako ima rai", Year = 2005 };
Song secondTestSong = new Song() { Genre = "Folk", Title = "Some song title", Year = 2008 };
Album someAlbum = new Album() { Producer = "Some Producer", Title = "Some Title", Year = 2010 };
someAlbum.Songs.Add(testSong);
someAlbum.Songs.Add(secondTestSong);
someAlbum.Artists.Add(testArtist);
AddAlbum(someAlbum);
int lastSongId = 0;
Console.WriteLine("\nGet all songs and print title.");
var getSongs = Client.GetAsync("api/Songs").Result.Content.ReadAsAsync<IEnumerable<SongDto>>().Result;
foreach (var song in getSongs)
{
Console.WriteLine(song.Title);
lastSongId = song.Id;
}
Console.WriteLine("\nGet last song by ID");
var lastSong = Client.GetAsync("api/Songs/" + lastSongId).Result.Content.ReadAsAsync<SongDto>().Result;
Console.WriteLine(lastSong.Title);
Console.WriteLine("\nChange last song name from \"{0}\" to \"Other song title\"", lastSong.Title);
lastSong.Title = "Other song title";
var update = Client.PutAsJsonAsync("api/Songs/" + lastSong.Id, lastSong).Result;
Console.WriteLine("\nGet last song by ID with changed name");
var lastSongWithChangedName = Client.GetAsync("api/Songs/" + lastSongId).Result.Content.ReadAsAsync<Song>().Result;
Console.WriteLine(lastSongWithChangedName.Title);
Console.WriteLine("\nDelete last song");
var delete = Client.DeleteAsync("api/Songs/" + lastSongId).Result;
Console.WriteLine("\nGet all songs again");
var getSongsAfterDelete = Client.GetAsync("api/Songs").Result.Content.ReadAsAsync<IEnumerable<Song>>().Result;
foreach (var song in getSongsAfterDelete)
{
Console.WriteLine(song.Title);
lastSongId = song.SongId;
}
}
public static void AddSong(Song song)
{
var response = Client.PostAsJsonAsync("api/Songs", song).Result;
if (response.IsSuccessStatusCode)
{
Console.WriteLine("Song \"{0}\" added!", song.Title);
}
else
{
Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
}
}
protected static SongDto ConvertSongs(Song song)
{
var songDto = new SongDto()
{
Id = song.SongId
};
if (song.Title != null)
{
songDto.Title = song.Title;
}
if (song.Year != 0)
{
songDto.Year = song.Year;
}
if (song.Genre != null)
{
songDto.Genre = song.Genre;
}
if (song.Artist != null)
{
songDto.ArtistName = song.Artist.Name;
}
return songDto;
}
