/// <summary>
/// POST: api/Messages
/// Receive a message from a user and reply to it
/// </summary>
public async Task <HttpResponseMessage> Post([FromBody] Activity activity)
{
if (activity.Type == ActivityTypes.Message)
{
string replyText = null;
var optOutRequst = false;
if (activity.Value != null && ((dynamic)activity.Value).optout == true)
{
optOutRequst = true;
}
try
{
var senderAadId = activity.From.AsTeamsChannelAccount().Properties["aadObjectId"].ToString();
if (optOutRequst || string.Equals(activity.Text, "optout", StringComparison.InvariantCultureIgnoreCase))
{
await MeetupBot.OptOutUser(activity.GetChannelData <TeamsChannelData>().Tenant.Id, senderAadId, activity.ServiceUrl);
replyText = Resources.OptOutConfirmation;
}
else if (string.Equals(activity.Text, "optin", StringComparison.InvariantCultureIgnoreCase))
{
await MeetupBot.OptInUser(activity.GetChannelData <TeamsChannelData>().Tenant.Id, senderAadId, activity.ServiceUrl);
replyText = Resources.OptInConfirmation;
}
else
{
replyText = Resources.IDontKnow;
}
}
catch (Exception ex)
{
System.Diagnostics.Trace.TraceError(ex.ToString());
replyText = Resources.ErrorOccured;
}
using (var connectorClient = new ConnectorClient(new Uri(activity.ServiceUrl)))
{
var replyActivity = activity.CreateReply(replyText);
await connectorClient.Conversations.ReplyToActivityAsync(replyActivity);
}
}
else
{
await HandleSystemMessage(activity);
}
var response = Request.CreateResponse(HttpStatusCode.OK);
return(response);
}
private async Task <Activity> HandleSystemMessage(Activity message)
{
System.Diagnostics.Trace.TraceInformation("Processing system message");
try
{
var channelData = message.GetChannelData <TeamsChannelData>();
if (message.Type == ActivityTypes.ConversationUpdate)
{
// conversation-update fires whenever a new 1:1 gets created between us and someone else as well
// only process the Teams ones.
var teamsChannelData = message.GetChannelData <TeamsChannelData>();
if (teamsChannelData.Team == null || string.IsNullOrEmpty(teamsChannelData.Team.Id))
{
// conversation-update is for 1:1 chat. Just ignore.
return(null);
}
string memberAddedId = string.Empty;
if (message.MembersAdded.Count > 0)
{
memberAddedId = message.MembersAdded.First().Id;
}
string memberRemovedId = string.Empty;
if (message.MembersRemoved.Count > 0)
{
memberRemovedId = message.MembersRemoved.First().Id;
}
string myId = message.Recipient.Id;
if (memberAddedId.Equals(myId))
{
// we were just added to team
await MeetupBot.SaveAddedToTeam(message.ServiceUrl, message.Conversation.Id, channelData.Tenant.Id);
// TODO: post activity.from has who added the bot. Can record it in schema.
}
else if (memberRemovedId.Equals(myId))
{
// we were just removed from a team
await MeetupBot.SaveRemoveFromTeam(message.ServiceUrl, message.Conversation.Id, channelData.Tenant.Id);
}
else if (!string.IsNullOrEmpty(memberAddedId)) // If I wasn't added or removed, then someome else must have been added to team
{
// someone else was added
// send them a welcome message
await MeetupBot.WelcomeUser(message.ServiceUrl, memberAddedId, channelData.Tenant.Id, channelData.Team.Id);
}
}
return(null);
}
catch (Exception ex)
{
System.Diagnostics.Trace.TraceError(ex.Message);
throw;
}
}
