public async Task <TLAbsMessages> GetHistoryAsync(TLAbsInputPeer peer, int offsetId = 0, int offsetDate = 0, int addOffset = 0, int limit = 100, int maxId = 0, int minId = 0, CancellationToken token = default(CancellationToken))
{
var req = new TLRequestGetHistory()
{
Peer = peer,
OffsetId = offsetId,
OffsetDate = offsetDate,
AddOffset = addOffset,
Limit = limit,
MaxId = maxId,
MinId = minId
};
return(await SendAuthenticatedRequestAsync <TLAbsMessages>(req, token)
.ConfigureAwait(false));
}
public async Task <TLAbsMessages> GetHistoryAsync(TLAbsInputPeer peer, int offset, int max_id, int limit)
{
if (!IsUserAuthorized())
{
throw new InvalidOperationException("Authorize user first!");
}
var req = new TLRequestGetHistory()
{
Peer = peer,
AddOffset = offset,
MaxId = max_id,
Limit = limit
};
return(await SendRequestAsync <TLAbsMessages>(req));
}
public async Task <List <Message> > GetChannelMessagesAsync(int channelId, long accessHash, int?offsetId, int?offsetDate, int?limit)
{
var req = new TLRequestGetHistory()
{
Peer = new TLInputPeerChannel()
{
ChannelId = channelId, AccessHash = accessHash
},
OffsetId = offsetId ?? 0,
OffsetDate = offsetDate ?? 0,
Limit = limit ?? 0
};
TLChannelMessages messages = new TLChannelMessages();
messages = await _client.SendRequestAsync <TLChannelMessages>(req);
return(RefineMessages(messages));
}
public async Task <IList <TLMessage> > GetMessagesAsync(TLAbsInputPeer peer, int limit = 1)
{
var r = new TLRequestGetHistory
{
peer = peer,//new TLInputPeerUser { user_id = 52086439, access_hash = -5263285720256180879 },
max_id = 0,
limit = limit,
offset_id = 0,//maxid
add_offset = 0
};
var result = await _telegramClient.SendRequestAsync <object>(r);
if (result is TLMessagesSlice)
{
return(((TLMessagesSlice)result).messages.lists.OfType <TLMessage>().ToList());
}
return(((TLMessages)result).messages.lists.OfType <TLMessage>().ToList());
}
public async Task <TLAbsMessages> GetHistoryAsync(TLAbsInputPeer peer, int offsetId = 0, int offsetDate = 0, int addOffset = 0, int limit = 100, int maxId = 0, int minId = 0)
{
if (!IsUserAuthorized())
{
throw new InvalidOperationException("Authorize user first!");
}
var req = new TLRequestGetHistory()
{
Peer = peer,
OffsetId = offsetId,
OffsetDate = offsetDate,
AddOffset = addOffset,
Limit = limit,
MaxId = maxId,
MinId = minId
};
return(await SendRequestAsync <TLAbsMessages>(req));
}
public async Task <IList <TLUser> > GetAddUserMessagesAsync(int chatId, int limit = 1)
{
var r = new TLRequestGetHistory
{
peer = new TLInputPeerChat {
chat_id = chatId
},
max_id = 0,
limit = limit,
offset_id = 0,//maxid
add_offset = 0
};
var history = await _telegramClient.SendRequestAsync <TLMessagesSlice>(r);
var result = new List <TLUser>();
foreach (var message in history.messages.lists.Where(
m => m is TLMessageService && ((TLMessageService)m).action is TLMessageActionChatAddUser)
.OfType <TLMessageService>()
.ToList())
{
foreach (var id in ((TLMessageActionChatAddUser)message.action).users.lists)
{
if (result.Any(u => u.id == id))
{
continue;
}
var user = history.users.lists.FirstOrDefault(u => u is TLUser && ((TLUser)u).id == id);
if (user != null)
{
result.Add((TLUser)user);
}
}
}
return(result);
}