public async Task OnTurnAsync(ITurnContext turnContext,
CancellationToken cancellationToken = default(CancellationToken))
{
try
{
DialogContext dc = null;
switch (turnContext.Activity.Type)
{
case ActivityTypes.Message:
switch (turnContext.Activity.Text.ToLowerInvariant())
{
case "signout":
case "logout":
case "signoff":
case "logoff":
var botAdapter = (BotFrameworkAdapter)turnContext.Adapter;
await botAdapter.SignOutUserAsync(turnContext, ConnectionSettingName,
CancellationToken.None);
await turnContext.SendActivityAsync("You are now signed out.");
break;
case "help":
await turnContext.SendActivityAsync(HelpText);
break;
default:
dc = await _dialogs.CreateContextAsync(turnContext);
await dc.ContinueAsync();
if (!turnContext.Responded)
{
await dc.BeginAsync("displayToken");
}
break;
}
break;
case ActivityTypes.Event:
case ActivityTypes.Invoke:
// This handles the MS Teams invoke activity sent when magic code is not used
//See: https://docs.microsoft.com/en-us/microsoftteams/platform/concepts/authentication/auth-oauth-card#getting-started-with-oauthcard-in-teams
//Manifest Schema Here: https://docs.microsoft.com/en-us/microsoftteams/platform/resources/schema/manifest-schema
dc = await _dialogs.CreateContextAsync(turnContext);
await dc.ContinueAsync();
if (!turnContext.Responded)
{
await dc.BeginAsync("displayToken");
}
break;
case ActivityTypes.ConversationUpdate:
var newUserName = turnContext.Activity.MembersAdded.FirstOrDefault()?.Name;
if (!string.Equals("Bot", newUserName))
{
var reply = turnContext.Activity.CreateReply();
reply.Text = HelpText;
reply.Attachments = new List <Attachment> {
GetHeroCard(newUserName).ToAttachment()
};
await turnContext.SendActivityAsync(reply);
}
break;
}
}
catch (Exception e)
{
await turnContext.SendActivityAsync($"Exception: {e.Message}");
}
}