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diff --git a/protocols/Telegram/tdlib/td/example/csharp/TdExample.cs b/protocols/Telegram/tdlib/td/example/csharp/TdExample.cs
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--- a/protocols/Telegram/tdlib/td/example/csharp/TdExample.cs
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-//
-// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2023
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-using Td = Telegram.Td;
-using TdApi = Telegram.Td.Api;
-
-using System;
-using System.Threading;
-
-namespace TdExample
-{
- /// <summary>
- /// Example class for TDLib usage from C#.
- /// </summary>
- class Example
- {
- private static Td.Client _client = null;
- private readonly static Td.ClientResultHandler _defaultHandler = new DefaultHandler();
-
- private static TdApi.AuthorizationState _authorizationState = null;
- private static volatile bool _haveAuthorization = false;
- private static volatile bool _needQuit = false;
- private static volatile bool _canQuit = false;
-
- private static volatile AutoResetEvent _gotAuthorization = new AutoResetEvent(false);
-
- private static readonly string _newLine = Environment.NewLine;
- private static readonly string _commandsLine = "Enter command (gc <chatId> - GetChat, me - GetMe, sm <chatId> <message> - SendMessage, lo - LogOut, r - Restart, q - Quit): ";
- private static volatile string _currentPrompt = null;
-
- private static Td.Client CreateTdClient()
- {
- return Td.Client.Create(new UpdateHandler());
- }
-
- private static void Print(string str)
- {
- if (_currentPrompt != null)
- {
- Console.WriteLine();
- }
- Console.WriteLine(str);
- if (_currentPrompt != null)
- {
- Console.Write(_currentPrompt);
- }
- }
-
- private static string ReadLine(string str)
- {
- Console.Write(str);
- _currentPrompt = str;
- var result = Console.ReadLine();
- _currentPrompt = null;
- return result;
- }
-
- private static void OnAuthorizationStateUpdated(TdApi.AuthorizationState authorizationState)
- {
- if (authorizationState != null)
- {
- _authorizationState = authorizationState;
- }
- if (_authorizationState is TdApi.AuthorizationStateWaitTdlibParameters)
- {
- TdApi.SetTdlibParameters request = new TdApi.SetTdlibParameters();
- request.DatabaseDirectory = "tdlib";
- request.UseMessageDatabase = true;
- request.UseSecretChats = true;
- request.ApiId = 94575;
- request.ApiHash = "a3406de8d171bb422bb6ddf3bbd800e2";
- request.SystemLanguageCode = "en";
- request.DeviceModel = "Desktop";
- request.ApplicationVersion = "1.0";
- request.EnableStorageOptimizer = true;
-
- _client.Send(request, new AuthorizationRequestHandler());
- }
- else if (_authorizationState is TdApi.AuthorizationStateWaitPhoneNumber)
- {
- string phoneNumber = ReadLine("Please enter phone number: ");
- _client.Send(new TdApi.SetAuthenticationPhoneNumber(phoneNumber, null), new AuthorizationRequestHandler());
- }
- else if (_authorizationState is TdApi.AuthorizationStateWaitEmailAddress)
- {
- string emailAddress = ReadLine("Please enter email address: ");
- _client.Send(new TdApi.SetAuthenticationEmailAddress(emailAddress), new AuthorizationRequestHandler());
- }
- else if (_authorizationState is TdApi.AuthorizationStateWaitEmailCode)
- {
- string code = ReadLine("Please enter email authentication code: ");
- _client.Send(new TdApi.CheckAuthenticationEmailCode(new TdApi.EmailAddressAuthenticationCode(code)), new AuthorizationRequestHandler());
- }
- else if (_authorizationState is TdApi.AuthorizationStateWaitOtherDeviceConfirmation state)
- {
- Console.WriteLine("Please confirm this login link on another device: " + state.Link);
- }
- else if (_authorizationState is TdApi.AuthorizationStateWaitCode)
- {
- string code = ReadLine("Please enter authentication code: ");
- _client.Send(new TdApi.CheckAuthenticationCode(code), new AuthorizationRequestHandler());
- }
- else if (_authorizationState is TdApi.AuthorizationStateWaitRegistration)
- {
- string firstName = ReadLine("Please enter your first name: ");
- string lastName = ReadLine("Please enter your last name: ");
- _client.Send(new TdApi.RegisterUser(firstName, lastName), new AuthorizationRequestHandler());
- }
- else if (_authorizationState is TdApi.AuthorizationStateWaitPassword)
- {
- string password = ReadLine("Please enter password: ");
- _client.Send(new TdApi.CheckAuthenticationPassword(password), new AuthorizationRequestHandler());
- }
- else if (_authorizationState is TdApi.AuthorizationStateReady)
- {
- _haveAuthorization = true;
- _gotAuthorization.Set();
- }
- else if (_authorizationState is TdApi.AuthorizationStateLoggingOut)
- {
- _haveAuthorization = false;
- Print("Logging out");
- }
- else if (_authorizationState is TdApi.AuthorizationStateClosing)
- {
- _haveAuthorization = false;
- Print("Closing");
- }
- else if (_authorizationState is TdApi.AuthorizationStateClosed)
- {
- Print("Closed");
- if (!_needQuit)
- {
- _client = CreateTdClient(); // recreate _client after previous has closed
- } else {
- _canQuit = true;
- }
- }
- else
- {
- Print("Unsupported authorization state:" + _newLine + _authorizationState);
- }
- }
-
- private static long GetChatId(string arg)
- {
- long chatId = 0;
- try
- {
- chatId = Convert.ToInt64(arg);
- }
- catch (FormatException)
- {
- }
- catch (OverflowException)
- {
- }
- return chatId;
- }
-
- private static void GetCommand()
- {
- string command = ReadLine(_commandsLine);
- string[] commands = command.Split(new char[] { ' ' }, 2);
- try
- {
- switch (commands[0])
- {
- case "gc":
- _client.Send(new TdApi.GetChat(GetChatId(commands[1])), _defaultHandler);
- break;
- case "me":
- _client.Send(new TdApi.GetMe(), _defaultHandler);
- break;
- case "sm":
- string[] args = commands[1].Split(new char[] { ' ' }, 2);
- sendMessage(GetChatId(args[0]), args[1]);
- break;
- case "lo":
- _haveAuthorization = false;
- _client.Send(new TdApi.LogOut(), _defaultHandler);
- break;
- case "r":
- _haveAuthorization = false;
- _client.Send(new TdApi.Close(), _defaultHandler);
- break;
- case "q":
- _needQuit = true;
- _haveAuthorization = false;
- _client.Send(new TdApi.Close(), _defaultHandler);
- break;
- default:
- Print("Unsupported command: " + command);
- break;
- }
- }
- catch (IndexOutOfRangeException)
- {
- Print("Not enough arguments");
- }
- }
-
- private static void sendMessage(long chatId, string message)
- {
- // initialize reply markup just for testing
- TdApi.InlineKeyboardButton[] row = { new TdApi.InlineKeyboardButton("https://telegram.org?1", new TdApi.InlineKeyboardButtonTypeUrl()), new TdApi.InlineKeyboardButton("https://telegram.org?2", new TdApi.InlineKeyboardButtonTypeUrl()), new TdApi.InlineKeyboardButton("https://telegram.org?3", new TdApi.InlineKeyboardButtonTypeUrl()) };
- TdApi.ReplyMarkup replyMarkup = new TdApi.ReplyMarkupInlineKeyboard(new TdApi.InlineKeyboardButton[][] { row, row, row });
-
- TdApi.InputMessageContent content = new TdApi.InputMessageText(new TdApi.FormattedText(message, null), false, true);
- _client.Send(new TdApi.SendMessage(chatId, 0, 0, null, replyMarkup, content), _defaultHandler);
- }
-
- static void Main()
- {
- // disable TDLib log
- Td.Client.Execute(new TdApi.SetLogVerbosityLevel(0));
- if (Td.Client.Execute(new TdApi.SetLogStream(new TdApi.LogStreamFile("tdlib.log", 1 << 27, false))) is TdApi.Error)
- {
- throw new System.IO.IOException("Write access to the current directory is required");
- }
- new Thread(() =>
- {
- Thread.CurrentThread.IsBackground = true;
- Td.Client.Run();
- }).Start();
-
- // create Td.Client
- _client = CreateTdClient();
-
- // test Client.Execute
- _defaultHandler.OnResult(Td.Client.Execute(new TdApi.GetTextEntities("@telegram /test_command https://telegram.org telegram.me @gif @test")));
-
- // main loop
- while (!_needQuit)
- {
- // await authorization
- _gotAuthorization.Reset();
- _gotAuthorization.WaitOne();
-
- _client.Send(new TdApi.LoadChats(null, 100), _defaultHandler); // preload main chat list
- while (_haveAuthorization)
- {
- GetCommand();
- }
- }
- while (!_canQuit) {
- Thread.Sleep(1);
- }
- }
-
- private class DefaultHandler : Td.ClientResultHandler
- {
- void Td.ClientResultHandler.OnResult(TdApi.BaseObject @object)
- {
- Print(@object.ToString());
- }
- }
-
- private class UpdateHandler : Td.ClientResultHandler
- {
- void Td.ClientResultHandler.OnResult(TdApi.BaseObject @object)
- {
- if (@object is TdApi.UpdateAuthorizationState)
- {
- OnAuthorizationStateUpdated((@object as TdApi.UpdateAuthorizationState).AuthorizationState);
- }
- else
- {
- // Print("Unsupported update: " + @object);
- }
- }
- }
-
- private class AuthorizationRequestHandler : Td.ClientResultHandler
- {
- void Td.ClientResultHandler.OnResult(TdApi.BaseObject @object)
- {
- if (@object is TdApi.Error)
- {
- Print("Receive an error:" + _newLine + @object);
- OnAuthorizationStateUpdated(null); // repeat last action
- }
- else
- {
- // result is already received through UpdateAuthorizationState, nothing to do
- }
- }
- }
- }
-}