private async Task <Activity> HandleSystemMessage(Activity message)
{
if (message.Type == ActivityTypes.DeleteUserData)
{
// Implement user deletion here
// If we handle user deletion, return a real message
}
else if (message.GetActivityType() == ActivityTypes.ConversationUpdate)
{
// Handle conversation state changes, like members being added and removed
// Use Activity.MembersAdded and Activity.MembersRemoved and Activity.Action for info
// Not available in all channels
IConversationUpdateActivity iConversationUpdated = message as IConversationUpdateActivity;
if (iConversationUpdated != null)
{
ConnectorClient connector = new ConnectorClient(new System.Uri(message.ServiceUrl));
foreach (var member in iConversationUpdated.MembersAdded ?? System.Array.Empty <ChannelAccount>())
{
if (member.Id == iConversationUpdated.Recipient.Id)
{
var cardText = await ScubaCardService.GetCardText("0-Welcome");
var reply = RootDialog.GetCardReply(message, cardText);
await connector.Conversations.ReplyToActivityAsync(reply);
}
}
}
}
else if (message.Type == ActivityTypes.ContactRelationUpdate)
{
// Handle add/remove from contact lists
// Activity.From + Activity.Action represent what happened
}
else if (message.Type == ActivityTypes.Typing)
{
// Handle knowing tha the user is typing
}
else if (message.Type == ActivityTypes.Ping)
{
}
return(null);
}
public static async Task <string> GetCardText(string cardName, Dictionary <string, string> replaceInfo = null)
{
string cardJson = await ScubaCardService.GetCardText(cardName);
if (string.IsNullOrEmpty(cardJson))
{
return(string.Empty);
}
if (replaceInfo == null)
{
return(cardJson);
}
foreach (var replaceKvp in replaceInfo)
{
cardJson = cardJson.Replace(replaceKvp.Key, replaceKvp.Value);
}
return(cardJson);
}
private async Task <IMessageActivity> GetCard(Activity activity, string cardName)
{
var cardText = await ScubaCardService.GetCardText(cardName);
return(GetCardReply(activity, cardText));
}
