public async void GetAndAddTopTracks(FullArtist artist, int trackCount, ProgressBarWrapperTask trackSearchTask)
{
int nextDelay = m_ViewModel.RequestStaggerer.GetNextDelay();
bool printLog = nextDelay % (RequestStaggerer.STAGGER_TIME * 10) == 0;
await Task.Delay(nextDelay);
if (printLog)
{
int remainingArtists = (m_ViewModel.RequestStaggerer.CurrentWait - nextDelay) / RequestStaggerer.STAGGER_TIME;
m_ViewModel.VisualLogger.AddLine($"Top songs of artists remaining: {remainingArtists}");
}
ArtistsTopTracksResponse response = await m_ViewModel.CurrentUser.Artists.GetTopTracks(artist.Id, new ArtistsTopTracksRequest("DE"));
trackSearchTask.CompleteSection(trackCount);
for (int i = 0; i < trackCount && i < response.Tracks.Count; i++)
{
m_ViewModel.Playlist.AddTrack(response.Tracks[i]);
}
}
public async void Search()
{
m_ViewModel.Playlist = new SpotifyPlaylist(m_ViewModel.UpdatePlaylistStats);
int depth = -1;
switch (GetSearchDepth())
{
case SearchDepth.Unfamiliar:
depth = 3;
break;
case SearchDepth.Normal:
depth = 2;
break;
case SearchDepth.Familiar:
depth = 1;
break;
}
m_ViewModel.RequestStaggerer.Reset();
m_ViewModel.SearchProgressBar.Reset();
m_ViewModel.VisualLogger.AddLine("Gathering related artists...");
List <string> artistIds = await GetArtistsToGenerateFrom();
int estimatedTaskSize = 20 * artistIds.Count;
for (int i = 1; i < depth; i++)
{
estimatedTaskSize *= 8;
}
m_ViewModel.VisualLogger.AddLine($"Getting an estimated maximum of {estimatedTaskSize} related artists...");
ProgressBarWrapperTask artistSearchTask = m_ViewModel.SearchProgressBar.AddTask(1, estimatedTaskSize);
ProgressBarWrapperTask trackSearchTask = m_ViewModel.SearchProgressBar.AddTask(3, 1);
int trackCountEstimate = 0;
Dictionary <string, Tuple <FullArtist, int> > uniqueArtists = new Dictionary <string, Tuple <FullArtist, int> >();
Dictionary <int, List <string> > artistIdsToGet = new Dictionary <int, List <string> >();
for (int i = 1; i <= depth; i++)
{
if (depth == i)
{
artistIdsToGet[i] = new List <string>(artistIds);
}
else
{
artistIdsToGet[i] = new List <string>();
}
}
int currentProgress = 0;
List <string> currentArtistsToGet = artistIdsToGet[depth];
while (currentArtistsToGet.Count != 0)
{
string nextArtistId = currentArtistsToGet[0];
await Task.Delay(100);
if (!string.IsNullOrEmpty(nextArtistId))
{
ArtistsRelatedArtistsResponse relatedArtists = await m_ViewModel.CurrentUser.Artists.GetRelatedArtists(nextArtistId);
foreach (FullArtist artist in relatedArtists.Artists)
{
if (!uniqueArtists.ContainsKey(artist.Uri))
{
currentProgress++;
if (currentProgress % 10 == 0)
{
m_ViewModel.VisualLogger.AddLine($"Related artists remaining: {estimatedTaskSize - currentProgress}");
}
int trackCount = GetTrackCountForDepth(depth);
trackCountEstimate += trackCount;
uniqueArtists.Add(artist.Uri, new Tuple <FullArtist, int>(artist, trackCount));
artistSearchTask.CompleteSection();
if (depth != 1)
{
artistIdsToGet[depth - 1].Add(artist.Id);
}
}
}
}
currentArtistsToGet.RemoveAt(0);
if (currentArtistsToGet.Count == 0)
{
depth--;
if (artistIdsToGet.ContainsKey(depth))
{
currentArtistsToGet = artistIdsToGet[depth];
}
}
}
artistSearchTask.ForceComplete();
trackSearchTask.UpdateSectionCount(trackCountEstimate);
m_ViewModel.VisualLogger.AddLine($"Gathering top track data for {uniqueArtists.Count} artists...");
foreach (Tuple <FullArtist, int> artistData in uniqueArtists.Values)
{
GetAndAddTopTracks(artistData.Item1, artistData.Item2, trackSearchTask);
}
}