public IHttpActionResult Post(Album album)
{
if (!ModelState.IsValid)
{
return BadRequest();
}
this.Data.Albums.Add(album);
this.Data.SaveChanges();
return Ok(album);
}
public IHttpActionResult Put(int id, Album album)
{
if (!ModelState.IsValid)
{
return BadRequest();
}
var albumFromDb = this.Data.Albums.GetById(id);
albumFromDb = album;
this.Data.Albums.Update(albumFromDb);
this.Data.SaveChanges();
return Ok(album);
}
private Album AddSongsToAlbum(int[] songIds, Album album)
{
album.Songs.Clear();
foreach (var songId in songIds)
{
var songToAdd = this.data.Songs.Find(songId);
if (songToAdd == null)
{
return null;
}
album.Songs.Add(songToAdd);
}
return album;
}
public IHttpActionResult Post([FromBody]AlbumDataModel model)
{
if (!this.ModelState.IsValid)
{
return this.BadRequest(this.ModelState);
}
if (this.data.Producers.Find(model.ProducerId) == null)
{
return this.BadRequest("No such producer can be found.");
}
var album = new Album
{
Name = model.Name,
ProducerId = model.ProducerId,
Year = model.Year
};
if (this.AddArtistsToAlbum(model.ArtistIds, album) == null || this.AddSongsToAlbum(model.SongIds, album) == null)
{
return this.BadRequest("No such song/artist can be found.");
}
this.data.Albums.Add(album);
this.data.Savechanges();
return this.Created(this.Url.ToString(), album);
}
private Album AddArtistsToAlbum(int[] artistIds, Album album)
{
album.Artists.Clear();
foreach (var artistId in artistIds)
{
var artistToAdd = this.data.Artists.Find(artistId);
if (artistToAdd == null)
{
return null;
}
album.Artists.Add(artistToAdd);
}
return album;
}
