public static string GetFirstName(TLMessage25 message)
{
var message48 = message as TLMessage48;
if (message48 != null)
{
if (message48.FwdHeader != null)
{
var cacheService = InMemoryCacheService.Instance;
var channelId = message48.FwdHeader.ChannelId;
if (channelId != null)
{
var channel = cacheService.GetChat(message48.FwdHeader.ChannelId) as TLChannel;
if (channel != null)
{
return(channel.Title.ToString());
}
}
else
{
var userId = message48.FwdHeader.FromId;
if (userId != null)
{
var fromUser = cacheService.GetUser(message48.FwdHeader.FromId);
if (fromUser != null)
{
return(TLUserBase.GetFirstName(fromUser.FirstName, fromUser.LastName, fromUser.Phone));
}
}
}
}
}
if (message != null)
{
var fromUser = message.FwdFrom as TLUserBase;
if (fromUser != null)
{
return(TLUserBase.GetFirstName(fromUser.FirstName, fromUser.LastName, fromUser.Phone));
}
var fromChat = message.FwdFrom as TLChannel;
if (fromChat != null)
{
return(fromChat.Title.ToString());
}
var fromChatForbidden = message.FwdFrom as TLChannelForbidden;
if (fromChatForbidden != null)
{
return(fromChatForbidden.Title.ToString());
}
}
return(null);
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
var user = value as TLUserBase;
if (user != null)
{
return(TLUserBase.GetFirstName(user.FirstName, user.LastName, user.Phone));
}
var chat = value as TLChatBase;
if (chat != null)
{
return(chat.FullName);
}
return(value);
}