public static async Task <TlContacts> GetContactsAsync(this ITelegramClient client)
{
if (!client.IsUserAuthorized())
{
throw new InvalidOperationException("Authorize user first!");
}
var req = new TlRequestGetContacts {
Hash = ""
};
return(await client.SendRequestAsync <TlContacts>(req));
}
public static async Task <TlAbsMessages> GetHistoryAsync(this ITelegramClient client, TlAbsInputPeer peer, int offset, int maxId, int limit)
{
if (!client.IsUserAuthorized())
{
throw new InvalidOperationException("Authorize user first!");
}
var req = new TlRequestGetHistory
{
Peer = peer,
AddOffset = offset,
MaxId = maxId,
Limit = limit
};
return(await client.SendRequestAsync <TlAbsMessages>(req));
}
public bool Authorize()
{
_client.ConnectAsync().Wait();
return(_client.IsUserAuthorized());
}