private async Task<byte[]> DownloadArtistPictureFromLastFm(string artistName)
{
var lastFmClient = new LastFmClient();
var lastFmArtist = await lastFmClient.GetArtistInfo(artistName);
if (lastFmArtist == null) return null;
try
{
var clientPic = new HttpClient();
var imageElement = lastFmArtist.Images.LastOrDefault(node => !string.IsNullOrEmpty(node.Url));
if (imageElement == null) return null;
HttpResponseMessage responsePic = await clientPic.GetAsync(imageElement.Url);
byte[] img = await responsePic.Content.ReadAsByteArrayAsync();
return img;
}
catch (Exception)
{
Debug.WriteLine("Error getting or saving art from LastFm.");
return null;
}
}
public async Task<string> GetArtistBiography(string artistName)
{
if (string.IsNullOrEmpty(artistName)) return null;
var biography = string.Empty;
try
{
var lastFmClient = new LastFmClient();
var artistInformation = await lastFmClient.GetArtistInfo(artistName);
biography = artistInformation != null ? artistInformation.Biography : String.Empty;
}
catch
{
Debug.WriteLine("Failed to get artist biography from LastFM. Returning nothing.");
}
return biography;
}
public async Task<List<Artist>> GetTopArtistGenre(string genre)
{
try
{
if (string.IsNullOrEmpty(genre)) return null;
var lastFmClient = new LastFmClient();
var artists = await lastFmClient.GetTopArtistsGenre(genre);
return artists;
}
catch
{
}
return null;
}
public async Task<List<Artist>> GetArtistSimilarsArtist(string artistName)
{
try
{
if (string.IsNullOrEmpty(artistName)) return null;
var lastFmClient = new LastFmClient();
var similarArtists = await lastFmClient.GetSimilarArtists(artistName);
return similarArtists;
}
catch
{
Debug.WriteLine("Error getting similar artists from this artist.");
}
return null;
}
public async Task<List<Album>> GetArtistTopAlbums(string artistName)
{
try
{
if (string.IsNullOrEmpty(artistName)) return null;
Debug.WriteLine("Getting TopAlbums from LastFM API");
var lastFmClient = new LastFmClient();
var albums = await lastFmClient.GetArtistTopAlbums(artistName);
Debug.WriteLine("Receive TopAlbums from LastFM API");
return albums;
}
catch
{
Debug.WriteLine("Error getting top albums from artist.");
}
return null;
}
private async Task<List<Show>> DownloadArtistEventFromLastFm(string artistName)
{
var lastFmClient = new LastFmClient();
var lastfmArtistEvents = await lastFmClient.GetArtistEventInfo(artistName);
if (lastfmArtistEvents == null) return null;
try
{
var shows = new List<Show>();
foreach (var show in lastfmArtistEvents.Shows)
{
DateTime date;
Show Show = null;
bool tryParse = DateTime.TryParse(show.StartDate, out date);
if (tryParse)
{
if (show.Venue.Location.GeoPoint != null && show.Venue.Location.GeoPoint.Latitude != null &&
show.Venue.Location.GeoPoint.Longitute != null)
{
Show = new Show(show.Title, date, show.Venue.Location.City, show.Venue.Location.Country, show.Venue.Location.GeoPoint.Latitude, show.Venue.Location.GeoPoint.Longitute);
}
else
{
Show = new Show(show.Title, date, show.Venue.Location.City, show.Venue.Location.Country);
}
}
else continue;
foreach (var artistShow in show.Artists.Artists)
{
// dirty hack
if (artistShow is JValue)
Show.Artists.Add(artistShow.Value);
}
shows.Add(Show);
}
return shows;
}
catch (Exception exception)
{
Debug.WriteLine("Error when trying to map from Events collection to Artist object for artist : " + artistName + " exceptio log " + exception.ToString());
}
return null;
}
private async Task<byte[]> DownloadAlbumPictureFromLastFm(string albumName, string albumArtist)
{
var lastFmClient = new LastFmClient();
var lastFmAlbum = await lastFmClient.GetAlbumInfo(albumName, albumArtist);
if (lastFmAlbum == null) return null;
if (lastFmAlbum.Images == null || lastFmAlbum.Images.Count == 0) return null;
try
{
if (string.IsNullOrEmpty(lastFmAlbum.Images.LastOrDefault().Url)) return null;
var clientPic = new HttpClient();
var url = lastFmAlbum.Images.Count == 1 ? lastFmAlbum.Images[0].Url : lastFmAlbum.Images[lastFmAlbum.Images.Count - 2].Url;
HttpResponseMessage responsePic = await clientPic.GetAsync(url);
byte[] img = await responsePic.Content.ReadAsByteArrayAsync();
return img;
}
catch (Exception ex)
{
Debug.WriteLine(string.Format("Error getting or saving art from lastFm. {0}", ex));
}
return null;
}