/// <summary>
/// Run the tally for the specified quest.
/// </summary>
/// <param name="quest">The quest to scan.</param>
/// <param name="token">Cancellation token.</param>
public async Task RunAsync(IQuest quest, CancellationToken token)
{
if (quest == null)
{
throw new ArgumentNullException(nameof(quest));
}
try
{
TallyIsRunning = true;
TallyResults = string.Empty;
// Mark the quest as one that we will listen for changes from.
quest.PropertyChanged -= Quest_PropertyChanged;
quest.PropertyChanged += Quest_PropertyChanged;
voteCounter.ResetUserDefinedTasks(quest.DisplayName);
using (var forumReader = serviceProvider.GetRequiredService <ForumReader>())
{
try
{
forumReader.StatusChanged += ForumReader_StatusChanged;
var(threadTitles, posts) = await forumReader.ReadQuestAsync(quest, token).ConfigureAwait(false);
voteCounter.SetThreadTitles(threadTitles);
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
await TallyPosts(posts, quest, token).ConfigureAwait(false);
stopwatch.Stop();
logger.LogDebug($"Time to process posts: {stopwatch.ElapsedMilliseconds} ms.");
}
finally
{
forumReader.StatusChanged -= ForumReader_StatusChanged;
}
}
}
catch (InvalidOperationException e)
{
TallyResults += $"\n{e.Message}";
return;
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception)
{
//VoteCounter.Instance.Quest = null;
throw;
}
finally
{
TallyIsRunning = false;
// Free memory used by loading pages as soon as we're done:
GC.Collect();
}
await UpdateResults(token).ConfigureAwait(false);
}