/// <summary>
/// Polls for new messages (activities).
/// </summary>
/// <param name="conversationId">The ID of the conversation.</param>
/// <returns></returns>
public async Task PollMessagesAsync(string conversationId)
{
if (string.IsNullOrEmpty(conversationId))
{
return;
}
ActivitySet activitySet = null;
using (DirectLineClient directLineClient = new DirectLineClient(_directLineSecret))
{
var watermark = _conversationCache.GetConversation(new IdAndTimestamp(conversationId))?.ActivityWaterMark;
var conversation = directLineClient.Conversations.ReconnectToConversation(conversationId);
activitySet = await directLineClient.Conversations.GetActivitiesAsync(conversationId, watermark);
// XXX WarterMarkこの段階で処理してしまうのはちょっと嫌。
_conversationCache.PutConversation(
new IdAndTimestamp(conversationId),
new ConversationContext(conversation, activitySet?.Watermark));
}
if (activitySet != null)
{
Debug.WriteLine($"conversationId {conversationId} {activitySet.Activities?.Count} activity/activities received");
if (activitySet.Activities?.Count > 0)
{
Debug.WriteLine(JsonConvert.SerializeObject(activitySet.Activities));
}
// ボットへ送る方向のアクティビティは処理しない。
// TODO このDirectLineClientではその方向のアクティビティに ReplyToId を指定していないためそれでフィルタしているが、恐らく正しいフィルタではない。
var activities = activitySet.Activities
.Where(x => !string.IsNullOrEmpty(x.ReplyToId))
.ToList();
if (_synchronizationContext != null)
{
_synchronizationContext.Post((o) => ActivitiesReceived?.Invoke(this, activities), null);
}
else
{
ActivitiesReceived?.Invoke(this, activities);
}
}
}
/// <summary>
/// Polls for new messages (activities).
/// </summary>
/// <param name="conversationId">The ID of the conversation.</param>
/// <returns></returns>
public async Task PollMessagesAsync(string conversationId = null)
{
if (!string.IsNullOrEmpty(conversationId) || !string.IsNullOrEmpty(_conversation?.ConversationId))
{
conversationId = string.IsNullOrEmpty(conversationId) ? _conversation.ConversationId : conversationId;
ActivitySet activitySet = null;
using (DirectLineClient directLineClient = new DirectLineClient(_directLineSecret))
{
directLineClient.Conversations.ReconnectToConversation(conversationId);
activitySet = await directLineClient.Conversations.GetActivitiesAsync(conversationId, _watermark);
}
if (activitySet != null)
{
#if DEBUG
if (activitySet.Activities?.Count > 0)
{
System.Diagnostics.Debug.WriteLine($"{activitySet.Activities?.Count} activity/activities received");
}
#endif
_watermark = activitySet?.Watermark;
var activities = (from activity in activitySet.Activities
select activity)
.ToList();
if (_synchronizationContext != null)
{
_synchronizationContext.Post((o) => ActivitiesReceived?.Invoke(this, activities), null);
}
else
{
ActivitiesReceived?.Invoke(this, activities);
}
}
}
}