public async Task <bool> UpdatePartyPlaylistForEveryoneInPartyAsync(Party party, PartyGoer user)
{
try
{
if (party is null)
{
throw new Exception($"Obtaining a party with ID {party.Id} returned null from the database");
}
if (!party.Host.Id.Equals(user.Id, StringComparison.CurrentCultureIgnoreCase) &&
!party.Listeners.Exists(p => p.Id.Equals(user.Id, StringComparison.CurrentCultureIgnoreCase)))
{
throw new Exception($"A non host or party attendee tried to change the song for the party with ID {party.Id}. Attempted user ID: {user.Id}");
}
List <Task <List <string> > > topTrackUrisTasks = new List <Task <List <string> > >();
topTrackUrisTasks.Add(_spotifyHttpClient.GetUserTopTrackIdsAsync(user.Id, 5));
foreach (PartyGoer attendee in party.Listeners)
{
topTrackUrisTasks.Add(_spotifyHttpClient.GetUserTopTrackIdsAsync(attendee.Id, 5));
}
var recommendTrackUris = await _spotifyHttpClient.GetRecommendedTrackUrisAsync(user.Id, GetNNumberOfTrackUris(topTrackUrisTasks.SelectMany(p => p.Result).ToList(), 5));
List <Task <ServiceResult <UpdateSongError> > > updateSongForPartyTask = new List <Task <ServiceResult <UpdateSongError> > >();
foreach (PartyGoer attendee in party.Listeners)
{
updateSongForPartyTask.Add(_spotifyHttpClient.UpdateSongForPartyGoerAsync(attendee.Id, recommendTrackUris, 0));
}
await Task.WhenAll(updateSongForPartyTask);
// Verify all the updates worked
foreach (Task <ServiceResult <UpdateSongError> > task in updateSongForPartyTask)
{
if (!task.Result.Success)
{
return(false);
}
}
return(true);
}
catch (Exception ex)
{
await _logService.LogExceptionAsync(ex, "Error occurred in UpdatePartyPlaylistForEveryoneInPartyAsync");
return(false);
}
}
