// POST api/Song
public HttpResponseMessage PostSong(Song song)
{
if (ModelState.IsValid)
{
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/Song/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 UpdateSong(HttpClient client, int id, string newTitle = null,
string newGenre = null, int? newYear = null)
{
if (id <= 0)
{
throw new ArgumentOutOfRangeException("Id must be a positive integer.");
}
HttpResponseMessage response = client.GetAsync("api/Song/" + id).Result;
if (response.IsSuccessStatusCode)
{
var song = response.Content.ReadAsAsync<SerializableSong>().Result;
Song updatedSong = new Song();
updatedSong.SongId = id;
if (newTitle != null)
{
updatedSong.Title = newTitle;
}
else
{
updatedSong.Title = song.Title;
}
if (newGenre != null)
{
updatedSong.Genre = newGenre;
}
else
{
updatedSong.Genre = song.Genre;
}
if (newYear != null)
{
updatedSong.Year = newYear.Value;
}
else
{
updatedSong.Year = song.Year;
}
HttpResponseMessage innerResponse = null;
if (client.DefaultRequestHeaders.Accept.Contains(new MediaTypeWithQualityHeaderValue("application/xml")))
{
innerResponse = client.PutAsXmlAsync<Song>("api/Song/" + id, updatedSong).Result;
}
else if (client.DefaultRequestHeaders.Accept.Contains(new MediaTypeWithQualityHeaderValue("application/json")))
{
innerResponse = client.PutAsJsonAsync<Song>("api/Song/" + id, updatedSong).Result;
}
if (innerResponse == null)
{
throw new InvalidOperationException("Client must use json or xml.");
}
if (innerResponse.IsSuccessStatusCode)
{
Console.WriteLine("Update successful.");
}
else
{
Console.WriteLine("{0} ({1})", (int)innerResponse.StatusCode, innerResponse.ReasonPhrase);
}
}
else
{
Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
}
}
// POST api/Song
public HttpResponseMessage PostSong(Song song)
{
if (ModelState.IsValid)
{
Song songToAdd = new Song();
songToAdd.SongId = song.SongId;
songToAdd.Title = song.Title;
songToAdd.Year = song.Year;
songToAdd.Genre = song.Genre;
foreach (var artist in song.Artists)
{
var searchedArtist = db.Artists.FirstOrDefault(a => a.Country == artist.Country &&
a.DateOfBirth == artist.DateOfBirth && a.Name == artist.Name);
if (searchedArtist != null)
{
songToAdd.Artists.Add(searchedArtist);
}
else
{
songToAdd.Artists.Add(new Artist()
{
Country = artist.Country,
Name = artist.Name,
DateOfBirth =artist.DateOfBirth
});
}
}
foreach (var album in song.Albums)
{
var searchedAlbum = db.Albums.FirstOrDefault(a => a.Producer == album.Producer && a.Title == album.Title
&& a.Year == album.Year);
if (searchedAlbum != null)
{
songToAdd.Albums.Add(searchedAlbum);
}
else
{
songToAdd.Albums.Add(new Album()
{
Title = album.Title,
Year = album.Year,
Producer = album.Producer
});
}
}
db.Songs.Add(songToAdd);
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);
}
}
public static void AddSong(HttpClient client, Song song)
{
HttpResponseMessage response = null;
if (client.DefaultRequestHeaders.Accept.Contains(new MediaTypeWithQualityHeaderValue("application/xml")))
{
response = client.PostAsXmlAsync<Song>("api/Song", song).Result;
}
else if (client.DefaultRequestHeaders.Accept.Contains(new MediaTypeWithQualityHeaderValue("application/json")))
{
response = client.PostAsJsonAsync<Song>("api/Song", song).Result;
}
if (response == null)
{
throw new InvalidOperationException("Client must use json or xml.");
}
if (response.IsSuccessStatusCode)
{
Console.WriteLine("Song added.");
}
else
{
Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
}
}
