/// <summary>
/// Gets a user's playlists as a list of ListingPlaylist objects
/// </summary>
/// <param name="userID">The ID of the user to look up.</param>
/// <param name="forceRequest">If false, this function will attempt to return the result from the cache first. If true, it will always make a fresh request and update the cache.</param>
/// <returns></returns>
public static async Task <List <ListingPlaylist> > GetUserPlaylistListing(string userID, bool forceRequest = false)
{
if (userID == null)
{
return(null); // to handle it when the user isn't logged in
}
if (!forceRequest && Cache.UsersPlaylists != null)
{
return(Cache.UsersPlaylists);
}
var firstPage = await API.S.GetUserPlaylistsAsync(userID, PLAYLIST_REQUEST_LIMIT);
var results = await Depaginator <SimplePlaylist> .Depage(firstPage);
var userplaylists = new List <ListingPlaylist>();
foreach (var playlist in results)
{
var lp = new ListingPlaylist(playlist);
userplaylists.Add(lp);
Cache.Save(playlist); // save simple playlist so the info screen is populated
}
Cache.UsersPlaylists = userplaylists;
return(userplaylists);
}
public static async Task <ListingPlaylist> GetAndExtendPlaylist(string id, LoadingStatus status = null, bool forceUpdate = false)
{
var fullPlaylist = await API.S.GetPlaylistAsync(id);
var listingPlaylist = new ListingPlaylist(fullPlaylist);
status?.ChangeStage(LoadingStatus.Stage.Tracks, 0);
listingPlaylist.Tracks = await Requester.GetPlaylistTracks(fullPlaylist, status);
var retrievedIDs = ExtractIDsFromPlaylist(listingPlaylist.Tracks);
status?.ChangeStage(LoadingStatus.Stage.Analysis, retrievedIDs.TrackIDs.Count);
// if we're not forcing a fresh request, use a linq function to filter out any tracks already cached, ToList as SpotifyAPI-NET can't handle enumerable
if (!forceUpdate)
{
await Requester.CacheAnalysedTracks(retrievedIDs.TrackIDs.Where(Not(Cache.HasAnalysedTrack)).ToList(), status);
}
else
{
await Requester.CacheAnalysedTracks(retrievedIDs.TrackIDs, status);
}
status?.ChangeStage(LoadingStatus.Stage.Artists, retrievedIDs.ArtistIDs.Count);
if (!forceUpdate)
{
await Requester.CacheFullArtists(retrievedIDs.ArtistIDs.Where(Not(Cache.HasFullArtist)).ToList(), status);
}
else
{
await Requester.CacheFullArtists(retrievedIDs.ArtistIDs, status);
}
// Album is no use unless you want album popularity or the label of an album
// status?.ChangeStage(LoaderInfo.Stage.Albums, retrievedIDs.AlbumIDs.Count);
// var CachedAlbums = await Requester.CacheFullAlbums(retrievedIDs.AlbumIDs, status);
// no real use since the table starts rendering and the site hangs before RefreshableComponent ticks over on this
status?.ChangeStage(LoadingStatus.Stage.Rendering, 0);
// Cache.Save(listingPlaylist);
listingPlaylist.IsLoaded = true;
return(listingPlaylist);
}
