public static void AddArtist(HttpClient client, Artist artist)
{
HttpResponseMessage response = null;
if (client.DefaultRequestHeaders.Accept.Contains(new MediaTypeWithQualityHeaderValue("application/xml")))
{
response = client.PostAsXmlAsync<Artist>("api/Artist", artist).Result;
}
else if (client.DefaultRequestHeaders.Accept.Contains(new MediaTypeWithQualityHeaderValue("application/json")))
{
response = client.PostAsJsonAsync<Artist>("api/Artist", artist).Result;
}
if (response == null)
{
throw new InvalidOperationException("Client must use json or xml.");
}
if (response.IsSuccessStatusCode)
{
Console.WriteLine("Artist added.");
}
else
{
Console.WriteLine("{0} ({1})", (int)response.StatusCode, response.ReasonPhrase);
}
}
// POST api/Artist
public HttpResponseMessage PostArtist(Artist artist)
{
if (ModelState.IsValid)
{
db.Artists.Add(artist);
db.SaveChanges();
HttpResponseMessage response = Request.CreateResponse(HttpStatusCode.Created, artist);
response.Headers.Location = new Uri(Url.Link("DefaultApi", new { id = artist.ArtistId }));
return response;
}
else
{
return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
}
}
public static void UpdateArtist(HttpClient client, int id, string newName = null,
string newCountry = null, DateTime? newDateOfBirth = null)
{
if (id <= 0)
{
throw new ArgumentOutOfRangeException("Id must be a positive integer.");
}
HttpResponseMessage response = client.GetAsync("api/Artist/" + id).Result;
if (response.IsSuccessStatusCode)
{
var artist = response.Content.ReadAsAsync<SerializableArtist>().Result;
Artist updatedArtist = new Artist();
updatedArtist.ArtistId = id;
if (newCountry != null)
{
updatedArtist.Country = newCountry;
}
else
{
updatedArtist.Country = artist.Country;
}
if (newDateOfBirth != null)
{
updatedArtist.DateOfBirth = newDateOfBirth.Value;
}
else
{
updatedArtist.DateOfBirth = artist.DateOfBirth;
}
if (newName != null)
{
updatedArtist.Name = newName;
}
else
{
updatedArtist.Name = artist.Name;
}
HttpResponseMessage innerResponse = null;
if (client.DefaultRequestHeaders.Accept.Contains(new MediaTypeWithQualityHeaderValue("application/xml")))
{
innerResponse = client.PutAsXmlAsync<Artist>("api/Artist/" + id, updatedArtist).Result;
}
else if (client.DefaultRequestHeaders.Accept.Contains(new MediaTypeWithQualityHeaderValue("application/json")))
{
innerResponse = client.PutAsJsonAsync<Artist>("api/Artist/" + id, updatedArtist).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);
}
}
// PUT api/Artist/5
public HttpResponseMessage PutArtist(int id, Artist artist)
{
if (!ModelState.IsValid)
{
return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
}
if (id != artist.ArtistId)
{
return Request.CreateResponse(HttpStatusCode.BadRequest);
}
db.Entry(artist).State = EntityState.Modified;
try
{
db.SaveChanges();
}
catch (DbUpdateConcurrencyException ex)
{
return Request.CreateErrorResponse(HttpStatusCode.NotFound, ex);
}
return Request.CreateResponse(HttpStatusCode.OK);
}
// POST api/Artist
public HttpResponseMessage PostArtist(Artist artist)
{
if (ModelState.IsValid)
{
Artist artistToAdd = new Artist();
artistToAdd.ArtistId = artist.ArtistId;
artistToAdd.Country = artist.Country;
artistToAdd.DateOfBirth = artist.DateOfBirth;
artistToAdd.Name = artist.Name;
foreach (var song in artist.Songs)
{
var searchedSong = db.Songs.FirstOrDefault(s => s.Title == song.Title && s.Genre == song.Genre
&& s.Year == song.Year);
if (searchedSong != null)
{
artistToAdd.Songs.Add(searchedSong);
}
else
{
artistToAdd.Songs.Add(new Song()
{
Title = song.Title,
Year = song.Year,
Genre = song.Genre
});
}
}
foreach (var album in artist.Albums)
{
var searchedAlbum = db.Albums.FirstOrDefault(a => a.Producer == album.Producer && a.Title == album.Title
&& a.Year == album.Year);
if (searchedAlbum != null)
{
artistToAdd.Albums.Add(searchedAlbum);
}
else
{
artistToAdd.Albums.Add(new Album()
{
Title = album.Title,
Year = album.Year,
Producer = album.Producer
});
}
}
db.Artists.Add(artistToAdd);
db.SaveChanges();
HttpResponseMessage response = Request.CreateResponse(HttpStatusCode.Created, artist);
response.Headers.Location = new Uri(Url.Link("DefaultApi", new { id = artist.ArtistId }));
return response;
}
else
{
return Request.CreateErrorResponse(HttpStatusCode.BadRequest, ModelState);
}
}
