private async Task <UpdateContext?> CreateContext(Update update)
{
switch (update.Type)
{
case UpdateType.Message:
{
var message = TgConverter.ToMessage(update.Message);
var user = TgConverter.ToUser(update.Message.From);
// The only way to create chat with ownerId.
// GetChat can pass ownerId to Converter.ToChat().
var messenger = _bot.ResolveMessenger(message.MessengerSource);
var chat = await messenger.GetChat(update.Message.Chat.Id).ConfigureAwait(false);
return(new UpdateContext(messenger, chat, user, message));
}
default:
return(null);
}
}
public async Task <User?> GetUser(long userId)
{
var user = await _api.GetChatAsync(userId).ConfigureAwait(false);
return(TgConverter.ToUser(user));
}
