public async Task <ServiceResult <UpdateSongError> > UpdateCurrentSongForEveryoneInPartyAsync(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}");
}
// Get the current song from the host
CurrentSongDTO song = await _spotifyHttpClient.GetCurrentSongAsync(user.Id);
List <Task <ServiceResult <UpdateSongError> > > updateSongForPartyTask = new List <Task <ServiceResult <UpdateSongError> > >();
foreach (PartyGoer attendee in party.Listeners)
{
updateSongForPartyTask.Add(_spotifyHttpClient.UpdateSongForPartyGoerAsync(attendee.Id, new List <string> {
song.TrackUri
}, song.ProgressMs));
}
await Task.WhenAll(updateSongForPartyTask);
ServiceResult <UpdateSongError> errors = new ServiceResult <UpdateSongError>();
// Verify all the updates worked
foreach (Task <ServiceResult <UpdateSongError> > task in updateSongForPartyTask)
{
if (task.IsCompletedSuccessfully && !task.Result.Success)
{
foreach (var error in task.Result.Errors)
{
errors.AddError(error);
}
}
}
return(errors);
}
catch (Exception ex)
{
await _logService.LogExceptionAsync(ex, "Error occurred in UpdateCurrentSongForEveryoneInPartyAsync");
ServiceResult <UpdateSongError> error = new ServiceResult <UpdateSongError>();
error.AddError(new UpdateSongError("Unable to update everyone's song."));
return(error);
}
}
public async Task <CurrentSongDTO> GetCurrentSongAsync(string partyGoerId)
{
return(await _spotifyHttpClient.GetCurrentSongAsync(partyGoerId));
}