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Bot.cs
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Bot.cs
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
using Telegram.Bot;
using Telegram.Bot.Polling;
using Telegram.Bot.Types;
using Telegram.Bot.Types.Enums;
using Telegram.Bot.Types.ReplyMarkups;
using Visual_PowerShell.Models;
using Message = Telegram.Bot.Types.Message;
namespace Visual_PowerShell
{
// Telegram.Bot
public class Bot
{
// singleton
private static Bot instance;
private Bot() { }
public static Bot Instance
{
get
{
if (instance == null)
{
instance = new Bot();
}
return instance;
}
}
// Telegram.Bot
public TelegramBotClient client;
public long? chatId = null;
public Update lastUpdate;
public enum State
{
Idle,
Waiting,
Command,
Repository,
Input,
Launching,
FolderInput
};
public State state;
public User user;
public async Task<User> GetMe()
{
return user = await client.GetMeAsync();
}
public void SetToken(string token)
{
client = new TelegramBotClient(token);
using CancellationTokenSource cts = new();
state = State.Waiting;
// StartReceiving does not block the caller thread. Receiving is done on the ThreadPool.
ReceiverOptions receiverOptions = new()
{
AllowedUpdates = Array.Empty<UpdateType>() // receive all update types
};
client.StartReceiving(
updateHandler: HandleUpdateAsync,
pollingErrorHandler: HandlePollingErrorAsync,
receiverOptions: receiverOptions,
cancellationToken: cts.Token
);
}
private async Task HandlePollingErrorAsync(ITelegramBotClient client, Exception exception, CancellationToken ct)
{
MessageBox.Show(exception.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
await Task.Yield();
}
private async Task HandleUpdateAsync(ITelegramBotClient client, Update update, CancellationToken ct)
{
lastUpdate = update;
await handler(update);
}
public async Task SendRepositoryAsync(Repository repository)
{
if (chatId is null) return;
var list = new List<InlineKeyboardButton[]>();
List<Tuple<string, string>> pairs = new();
for (int i = 0; i < repository.Commands.Count; i += 2)
{
if (i + 1 < repository.Commands.Count)
{
pairs.Add(new Tuple<string, string>(repository.Commands[i].Name, repository.Commands[i + 1].Name));
}
else
{
pairs.Add(new Tuple<string, string>(repository.Commands[i].Name, ""));
}
}
foreach (var (a, b) in pairs)
{
if (string.IsNullOrEmpty(b))
{
list.Add(new InlineKeyboardButton[] { a });
continue;
}
list.Add(new InlineKeyboardButton[] { a, b });
}
list.Add(new InlineKeyboardButton[] { "[Switch Repository]" });
await client.SendTextMessageAsync(
chatId: chatId,
text: "Select command : ",
parseMode: ParseMode.Markdown,
replyMarkup: new InlineKeyboardMarkup(list)
);
state = State.Command;
}
public async Task SendRepositoriesAsync(List<Repository> commandRepositories)
{
if (chatId is null) return;
var list = new List<InlineKeyboardButton[]>();
List<Tuple<string, string>> pairs = new();
for (int i = 0; i < commandRepositories.Count; i += 2)
{
if (i + 1 < commandRepositories.Count)
{
pairs.Add(new Tuple<string, string>(commandRepositories[i].Name, commandRepositories[i + 1].Name));
}
else
{
pairs.Add(new Tuple<string, string>(commandRepositories[i].Name, ""));
}
}
foreach (var (a, b) in pairs)
{
if (string.IsNullOrEmpty(b))
{
list.Add(new InlineKeyboardButton[] { a });
continue;
}
list.Add(new InlineKeyboardButton[] { a, b });
}
list.Add(new InlineKeyboardButton[] { "[Back]" });
await client.SendTextMessageAsync(
chatId: chatId,
text: "Select repository : ",
parseMode: ParseMode.Markdown,
replyMarkup: new InlineKeyboardMarkup(list)
);
state = State.Repository;
}
public string lastValue = string.Empty;
public async Task Prompt(string text, string caption)
{
if (chatId is null) return;
await client.SendTextMessageAsync(
chatId: chatId,
text: $"*{text}* \n\r{caption}",
parseMode: ParseMode.Markdown
);
state = State.Input;
}
Message lastTextMessage = null;
public string lastText = "";
BackgroundWorker textMessageWorker;
bool textChanged = false;
InlineKeyboardMarkup cancelReplyKeyboardMarkup = new(new[]
{
new InlineKeyboardButton[] { "[Cancel]" },
});
InlineKeyboardMarkup doneReplyKeyboardMarkup = new(new[]
{
new InlineKeyboardButton[] { "[Done]" },
});
const int MaxMessageLength = 4000;
public void SendLog(string text)
{
lock (lastText)
{
lastText += $"\n\r{text}";
textChanged = true;
}
TextWorker();
}
public void TextWorker()
{
if (textMessageWorker is null)
{
textMessageWorker = new BackgroundWorker();
textMessageWorker.DoWork += async (a, b) =>
{
while (true)
{
if (lastTextMessage != null && textChanged)
{
bool isFailed = false;
bool overflow = lastText.Length >= MaxMessageLength;
try
{
textChanged = false;
var markup = overflow ? doneReplyKeyboardMarkup : cancelReplyKeyboardMarkup;
await client.EditMessageTextAsync(
chatId: chatId,
messageId: lastTextMessage.MessageId,
text: lastText.Substring(0, Math.Min(MaxMessageLength, lastText.Length)),
replyMarkup: markup
);
}
catch (System.Exception e)
{
if (!e.Message.Contains("message is not modified"))
{
lock (lastText)
{
lastText += $"\n\r{e.Message}";
}
isFailed = true;
}
}
if (isFailed)
{
lastTextMessage = await client.SendTextMessageAsync(
chatId: chatId,
text: lastText,
replyMarkup: cancelReplyKeyboardMarkup
);
}
else if (overflow)
{
lock (lastText)
{
lastText = lastText.Substring(MaxMessageLength);
}
lastTextMessage = await client.SendTextMessageAsync(
chatId: chatId,
text: lastText.Substring(0, Math.Min(MaxMessageLength, lastText.Length)),
replyMarkup: cancelReplyKeyboardMarkup
);
}
}
await Task.Delay(200);
}
};
textMessageWorker.RunWorkerAsync();
}
}
public async Task StartLog()
{
lock (lastText)
{
lastText = "";
}
lastTextMessage = await client.SendTextMessageAsync(
chatId: chatId,
text: "Running ...",
replyMarkup: cancelReplyKeyboardMarkup
);
}
public async Task EndLog()
{
textChanged = false;
if (lastTextMessage != null)
{
await client.EditMessageTextAsync(
chatId: chatId,
messageId: lastTextMessage.MessageId,
text: lastText.Substring(0, Math.Min(MaxMessageLength, lastText.Length)) + "˜",
replyMarkup: doneReplyKeyboardMarkup
);
}
lastTextMessage = null;
}
public async Task StartConversation()
{
ReplyKeyboardMarkup replyKeyboardMarkup = new(new[]
{
new KeyboardButton[] { "🛠️ Commands", "📚 Repositories" },
new KeyboardButton[] { "📁 Set Workspace" },
})
{
ResizeKeyboard = true
};
Message sentMessage = await client.SendTextMessageAsync(
chatId: chatId,
text: "*Welcome to Visual PowerShell!* \n\r /repo /cmd /workspace",
parseMode: ParseMode.Markdown,
replyMarkup: replyKeyboardMarkup);
}
public string currentPath;
public bool dialogFileSelectParam, dialogFolderSelectParam;
Message lastFolderDialog;
public async Task FolderDialog(string path, bool fileSelect = false, bool folderSelect = true, string text = "")
{
if (chatId is null) return;
dialogFileSelectParam = fileSelect;
dialogFolderSelectParam = folderSelect;
currentPath = path;
var list = new List<InlineKeyboardButton[]>();
List<Tuple<string, string>> pairs = new();
var directories = Directory.GetDirectories(path);
for (int i = 0; i < directories.Length; i += 2)
{
if (i + 1 < directories.Length)
{
pairs.Add(new Tuple<string, string>(
"📁" + Path.GetFileName(directories[i]),
"📁" + Path.GetFileName(directories[i + 1])));
}
else
{
pairs.Add(new Tuple<string, string>("📁" + Path.GetFileName(directories[i]), ""));
}
}
if (fileSelect)
{
var files = Directory.GetFiles(path);
for (int i = 0; i < files.Length; i += 2)
{
if (i + 1 < files.Length)
{
pairs.Add(new Tuple<string, string>(
"📄" + Path.GetFileName(files[i]),
"📄" + Path.GetFileName(files[i + 1])));
}
else
{
pairs.Add(new Tuple<string, string>("📄" + Path.GetFileName(files[i]), ""));
}
}
}
// parent folder
if (folderSelect)
{
pairs.Add(new Tuple<string, string>("✅ Select Folder", "🔼 Parent Folder"));
}
else
{
pairs.Add(new Tuple<string, string>("🔼 Parent Folder", ""));
}
foreach (var (a, b) in pairs)
{
if (string.IsNullOrEmpty(b))
{
list.Add(new InlineKeyboardButton[] { a });
continue;
}
list.Add(new InlineKeyboardButton[] { a, b });
}
var caption = "*Select folder*";
if (fileSelect && folderSelect)
{
caption = "*Select file or folder*";
}
else
{
if (fileSelect)
{
caption = "*Select file*";
}
}
caption = text + "\n\r" + caption;
lastFolderDialog = await client.SendTextMessageAsync(
chatId: chatId,
text: $"{caption} - {path}",
parseMode: ParseMode.Markdown,
replyMarkup: new InlineKeyboardMarkup(list)
);
state = State.FolderInput;
}
public async Task EndFolderDialog()
{
if (lastFolderDialog is not null)
{
await client.EditMessageTextAsync(
chatId: chatId,
messageId: lastFolderDialog.MessageId,
text: "Selected path : " + currentPath,
replyMarkup: doneReplyKeyboardMarkup
);
lastFolderDialog = null;
}
}
public delegate Task UpdateHandler(Update update);
// event
public UpdateHandler handler;
}
}