public bool VerifyNumbers(LeadCollection allLeadCollection, List <LeadRequest> firstTimeRequestedLeads)
{
if (!IsConnected || !IsAuthorized)
{
throw new InvalidOperationException("Service isn't running. Start service before executing some commands");
return(false);
}
if (firstTimeRequestedLeads.Count == 0)
{
return(true);
}
try
{
var contacts = firstTimeRequestedLeads.Select(lead => new LeadToContactAdapter(lead.Id.ToString(), lead.Phone))
.ToList();
var task = TelegramClient.ImportContactsAsync(contacts);
task.Wait();
var imported = task.Result.Users;
var toDeleteUsers = new List <TLAbsInputUser>();
var importedUsers = imported.Select(user => user as TLUser)
.Where(user => user != null && !string.IsNullOrWhiteSpace(user.Username)).ToDictionary(user => user.Phone);
foreach (var lead in allLeadCollection.Leads)
{
if (importedUsers.TryGetValue(lead.Key, out TLUser importedUser))
{
toDeleteUsers.Add(new TLInputUser()
{
AccessHash = importedUser.AccessHash ?? 0, UserId = importedUser.Id
});
lead.Value.IsTelegram = true;
lead.Value.TelegramUser = importedUser.Username;
}
}
if (toDeleteUsers.Count > 0)
{
TelegramClient.DeleteContactsAsync(toDeleteUsers).Wait();
}
return(true);
}
catch (Exception e)
{
Console.WriteLine(e);
return(false);
}
return(true);
}