// PUT api/Songs/5
public HttpResponseMessage PutSong(int id, Song song)
{
if (!ModelState.IsValid)
{
return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
}
var songToUpdate = db.Songs.FirstOrDefault(a => a.SongId == id);
if (songToUpdate != null && song != null)
{
songToUpdate.SongTitle = song.SongTitle ?? songToUpdate.SongTitle;
songToUpdate.SongYear = song.SongYear ?? songToUpdate.SongYear;
songToUpdate.Genre = song.Genre ?? songToUpdate.Genre;
}
else
{
return Request.CreateResponse(HttpStatusCode.BadRequest);
}
db.Entry(songToUpdate).State = EntityState.Modified;
try
{
db.SaveChanges();
}
catch (DbUpdateConcurrencyException ex)
{
return Request.CreateErrorResponse(HttpStatusCode.NotFound, ex);
}
return Request.CreateResponse(HttpStatusCode.OK);
}
static void Main()
{
var baseUrl = "http://localhost:12243/";
var contentType = "application/json";
var requester = new HttpRequester(baseUrl, contentType);
// Test album Creation
Album album = new Album { Producer = "Pesho", Title = "Testov album", ReleaseDate = DateTime.Now };
requester.Post<Album>("api/album", album);
Console.WriteLine("Simple Album added!");
Song song = new Song { Genre = "RnB", Title = "Shake it!", Year = DateTime.Now.AddYears(-20) };
Artist artist = new Artist { Name = "Pesho Zlia", BirthDate = new DateTime(1950, 1, 1), Country = "Germany" };
album.Songs.Add(song);
album.Artists.Add(artist);
requester.Post<Album>("api/album", album);
Console.WriteLine("Album added!");
// Test albums Retrieving
var retrievedAlbums = requester.Get<IList<Album>>("api/album/");
foreach (var retrievedAlbum in retrievedAlbums)
{
Console.WriteLine("Album found! Title:" + retrievedAlbum.Title);
}
// Test one album Retrieving
var getedAlbum = requester.Get<Album>("api/album/" + retrievedAlbums[0].AlbumId);
Console.WriteLine("First Album found! Title:" + getedAlbum.Title);
// Test album updating
getedAlbum.Title = "Updated Title";
requester.Put<Album>("api/album/" + getedAlbum.AlbumId, getedAlbum);
Console.WriteLine("Title updated!");
// Check new title
getedAlbum = requester.Get<Album>("api/album/" + retrievedAlbums[0].AlbumId);
Console.WriteLine("First Album found! Title:" + getedAlbum.Title);
// Add
Album newAlbum = new Album { Producer = "Pesho", Title = "Testov album", ReleaseDate = DateTime.Now };
//Delete the album!
requester.Delete<Album>("api/album/" + getedAlbum.AlbumId, getedAlbum);
Console.WriteLine("Album deleted");
}
// POST api/Songs
public HttpResponseMessage PostSong(Song song)
{
if (ModelState.IsValid)
{
CheckAlbumsInSong(song);
var artist = db.Artists.FirstOrDefault(x => x.ArtistId == song.ArtistId);
song.Artist = artist;
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);
}
}
private void CheckAlbumsInSong(Song song)
{
var albums = new List<Album>();
song.Albums.ToList().ForEach(album =>
{
var a = db.Albums.FirstOrDefault(x => x.AlbumId == album.AlbumId);
//if (a == null)
//{
// a = new Album();
// a.AlbumTitle = album.AlbumTitle;
//}
albums.Add(a);
});
song.Albums = albums;
}
private static void UpdateSong(string artistName, string title, string newTitle, int? year, string genre, string applicationType)
{
if (string.IsNullOrWhiteSpace(title))
{
Console.WriteLine("Song title cannot be empty.");
}
var artist = AllArtists.FirstOrDefault(a => a.ArtistName == artistName);
if (artist == null)
{
Console.WriteLine("No such artist.");
}
var song = artist.Songs.FirstOrDefault(s => s.SongTitle == title);
if (song == null)
{
Console.WriteLine("No such song.");
}
var modelSong = new Song
{
SongTitle = newTitle,
SongYear = year,
Genre = genre
};
HttpResponseMessage response = null;
if (applicationType == "application/json")
{
response = Client.PutAsJsonAsync("api/Songs/" + song.SongId, modelSong).Result;
}
else
{
response = Client.PutAsXmlAsync("api/Songs/" + song.SongId, modelSong).Result;
}
if (response.IsSuccessStatusCode)
{
song.SongTitle = modelSong.SongTitle ?? song.SongTitle;
song.SongYear = modelSong.SongYear ?? song.SongYear;
song.Genre = modelSong.Genre ?? song.Genre;
Console.WriteLine("Song updated!");
}
else
{
Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
}
}
internal static void AddNewSong(string title, int year, string genre, string applicationType, string artistName, string albumTitle)
{
Artist artist = AllArtists.FirstOrDefault(a => a.ArtistName == artistName);
if (artist == null)
{
Console.WriteLine("Artist doesn't exist.");
return;
}
Album album = artist.Albums.FirstOrDefault(a => a.AlbumTitle == albumTitle);
if (album == null)
{
Console.WriteLine("Artist dosn't have such an album.");
return;
}
// Add an Accept header for JSON format.
Client.DefaultRequestHeaders.Accept.Add(
new MediaTypeWithQualityHeaderValue(applicationType));
var song = new Song
{
SongTitle = title,
SongYear = year,
Genre = genre,
};
song.Albums.Add(album);
song.Artist = artist;
song.ArtistId = artist.ArtistId;
HttpResponseMessage response = null;
if (applicationType == "application/json")
{
response = Client.PostAsJsonAsync("api/Songs", song).Result;
}
else
{
response = Client.PostAsXmlAsync("api/Songs", song).Result;
}
if (response.IsSuccessStatusCode)
{
Console.WriteLine("Song added!");
int songID = int.Parse(response.Headers.Location.Segments[3]);
song.SongId = songID;
artist.Songs.Add(song);
}
else
{
Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
}
}
