/// <summary>
/// Tells the <see cref="MessageCollector"/> to begin collecting messages.
/// </summary>
/// <param name="filter">The raw filter that will be used when comparing messages.</param>
/// <param name="options">The options that will be used to set up the <see cref="MessageCollector"/>.</param>
public async Task <FilterCollection> CollectAsync(FilterCollectionDelegate filter, CollectionOptions options = null)
{
options ??= CollectionOptions.Default;
var matches = new FilterCollection();
var timer = new AsyncTimer(options.Timeout);
var complete = new TaskCompletionSource <bool>();
int index = 0;
async Task HandleAsync(SocketMessage arg)
{
bool isSuccess = filter.Invoke(arg, matches, index);
if (options.IncludeFailedMatches)
{
matches.Add(new FilterMatch(arg, index, isSuccess));
}
else if (isSuccess)
{
matches.Add(new FilterMatch(arg, index, isSuccess));
}
if (isSuccess && options.ResetTimeoutOnMatch)
{
timer.Reset();
}
if (options.Capacity.HasValue && matches.Count == options.Capacity.Value)
{
timer.Stop();
complete.SetResult(true);
}
index++;
}
_client.MessageReceived += HandleAsync;
if (options.Timeout.HasValue)
{
timer.Start();
}
await Task.WhenAny(timer.CompletionSource.Task, complete.Task);
_client.MessageReceived -= HandleAsync;
ElapsedTime = timer.ElapsedTime;
return(matches);
}
/// <summary> /// Tells the <see cref="MessageCollector"/> to begin collecting messages. /// </summary> /// <param name="filter">The filter that will be used when comparing messages.</param> /// <param name="options">The options that will be used to set up the <see cref="MessageCollector"/>.</param> public async Task <FilterCollection> CollectAsync(MessageFilter filter, CollectionOptions options = null) => await CollectAsync(filter.JudgeMany, options);