public async Task <string> WxPost([FromQuery] string signature, [FromQuery] string nonce, [FromQuery] string timestamp)
{
// WX message validataion
if (WXHelper.IsMessageFromWX(signature, nonce, timestamp, WxToken))
{
using (var reader = new StreamReader(Request.Body))
{
var body = reader.ReadToEnd();
if (String.IsNullOrEmpty(body))
{
return("Failed to get message");
}
// Parse WX Message
WXMsg msg = WXHelper.ParseWXMsgFromBodyString(body);
string wxUserId = msg.FromUserName.Trim();
string responseXML = "";
// Only care about Text message
if (msg.MsgType == WXMsgType.Text)
{
if (!conMap.activeConversations.ContainsKey(wxUserId))
{
// Create a DirectlineCline and initialize the waltermark
var createdCon = await botClient.Conversations.StartConversationAsync();
conMap.activeConversations.Add(wxUserId, new ConversationInfo(createdCon, ""));
}
// Create a Bot Message Activity
Activity userMessage = new Activity
{
From = new ChannelAccount(wxUserId),
Text = msg.Content,
Type = ActivityTypes.Message
};
// Post the message to Bot
var thisConverstaionID = conMap.activeConversations[wxUserId].Conversation.ConversationId;
await botClient.Conversations.PostActivityAsync(thisConverstaionID, userMessage);
// Get Activity Set from Bot
var activitySet = await botClient.Conversations.GetActivitiesAsync(thisConverstaionID, conMap.activeConversations[wxUserId].Waltermark);
conMap.activeConversations[wxUserId].Waltermark = activitySet.Watermark;
var activities = from x in activitySet.Activities
where x.From.Id == botId
select x;
var returnString = "";
foreach (Activity activity in activities)
{
returnString += activity.Text + "||";
}
responseXML = WXHelper.ConstructWXTextMessage(msg, returnString);
}
return(responseXML);
}
}
else
{
return("");
}
}
