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+FROM python:3.9-slim
+
+# نصب ffmpeg و پیش‌نیازها
+RUN apt-get update && apt-get install -y ffmpeg && apt-get clean
+
+# تنظیم دایرکتوری کاری
+WORKDIR /app
+
+# کپی فایل‌های پروژه
+COPY requirements.txt .
+COPY app.py .
+
+# نصب وابستگی‌ها
+RUN pip install --no-cache-dir -r requirements.txt
+
+# اجرای برنامه
+CMD ["python", "app.py"]

app.py

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+import os
+import sys
+import re
+import random
+import subprocess
+import json
+from telegram import Update, InputFile, InlineKeyboardButton, InlineKeyboardMarkup
+from telegram.ext import Application, CommandHandler, MessageHandler, CallbackQueryHandler, filters, ConversationHandler
+from pydub import AudioSegment
+from io import BytesIO
+from apscheduler.schedulers.asyncio import AsyncIOScheduler
+
+# تنظیمات اولیه
+TOKEN = os.getenv('TELEGRAM_BOT_TOKEN')
+if not TOKEN:
+    raise ValueError("TELEGRAM_BOT_TOKEN not set in Secrets")
+ADMIN_ID = int(os.getenv('ADMIN_ID', '0'))
+if not ADMIN_ID:
+    print("Warning: ADMIN_ID not set, admin features may not work", file=sys.stderr)
+
+BOT_USERNAME = "Voice2mp3_RoBot"
+DOWNLOAD_DIR = "/tmp/downloads"
+OUTPUT_DIR = "/tmp/outputs"
+CHANNELS_FILE = "channels.json"
+os.makedirs(DOWNLOAD_DIR, exist_ok=True)
+os.makedirs(OUTPUT_DIR, exist_ok=True)
+
+# بارگذاری کانال‌های اجباری
+def load_required_channels():
+    if os.path.exists(CHANNELS_FILE):
+        try:
+            with open(CHANNELS_FILE, 'r', encoding='utf-8') as f:
+                return json.load(f)
+        except json.JSONDecodeError:
+            print("Error decoding JSON from channels.json", file=sys.stderr)
+            return []
+    return []
+
+def save_required_channels(channels):
+    with open(CHANNELS_FILE, 'w', encoding='utf-8') as f:
+        json.dump(channels, f, indent=4, ensure_ascii=False)
+
+REQUIRED_CHANNELS = load_required_channels()
+
+# تعریف حالت‌های مکالمه
+LANGUAGE_SELECTION, MAIN_MENU, CONVERT_AUDIO, CUT_AUDIO_FILE, CUT_AUDIO_RANGE, VIDEO_CONVERSION_MODE, WAITING_FOR_MEMBERSHIP, ADMIN_MENU, ADD_CHANNEL, LIST_REMOVE_CHANNELS = range(10)
+
+# فرهنگ لغت پیام‌ها
+MESSAGES = {
+    'fa': {
+        'start_welcome': "سلام! من یک ربات تبدیل فرمت صوتی و ویدیویی هستم.\n\nبرای شروع، از منوی زیر یک قابلیت را انتخاب کنید.",
+        'choose_language': "زبان مورد نظر خود را انتخاب کنید:",
+        'processing_start': "⏳ در حال شروع پردازش...",
+        'file_received': "⬇️ فایل دریافت شد. در حال تبدیل...",
+        'conversion_done': "⚙️ تبدیل فرمت انجام شد. در حال ارسال...",
+        'mp3_to_voice_reply': "ویس تلگرام شما (تبدیل شده از MP3)",
+        'voice_to_mp3_caption': "فایل MP3 شما (تبدیل شده از ویس تلگرام)",
+        'error_mp3_to_voice': "❌ خطا در تبدیل MP3 به ویس تلگرام: ",
+        'error_voice_to_mp3': "❌ خطا در تبدیل ویس تلگرام به MP3: ",
+        'general_error': "متاسفم، مشکلی پیش آمد. لطفاً دوباره تلاش کنید.",
+        'main_menu_prompt': "چه کاری می‌خواهید روی فایل خود انجام دهید؟",
+        'btn_convert_format': "تغییر فرمت صدا 🎵",
+        'btn_cut_audio': "برش قسمتی از صدا ✂️",
+        'btn_video_conversion': "تبدیل ویدیو دایره‌ای 🎥",
+        'convert_mode_active': "شما در حالت 'تغییر فرمت صدا' هستید. حالا فایل صوتی (ویس یا MP3) خود را برای من ارسال کنید.",
+        'cut_mode_active_file': "شما در قسمت 'برش و کات کردن صدا' هستید.\n\nابتدا فایل صوتی (MP3 یا ویس) خود را ارسال کنید.",
+        'cut_mode_active_range': "حالا بازه زمانی مورد نظر برای برش را به صورت 'دقیقه.ثانیه-دقیقه.ثانیه' (مثال: 00.21-00.54) ارسال کنید.",
+        'invalid_time_format': "فرمت زمان وارد شده صحیح نیست. لطفاً از فرمت 'MM.SS-MM.SS' استفاده کنید. (مثال: 00.21-00.54)",
+        'invalid_time_range': "بازه زمانی نامعتبر است یا زمان پایان از زمان شروع کمتر است. لطفاً بازه صحیح را وارد کنید.",
+        'audio_cut_success': "✅ برش صدا با موفقیت انجام شد. فایل شما آماده است.",
+        'no_audio_for_cut': "فایلی برای برش پیدا نشد. لطفاً ابتدا فایل صوتی را ارسال کنید.",
+        'cut_processing': "✂️ در حال برش صدا...",
+        'returning_to_main_menu': "بازگشت به منوی اصلی...",
+        'cancel_message': "عملیات لغو شد. به منوی اصلی بازگشتید.",
+        'video_conversion_mode_active': "شما در حالت 'تبدیل ویدیو دایره‌ای' هستید.\n\nیک ویدیو معمولی یا یک ویدیو دایره‌ای (Video Message) برای من ارسال کنید.",
+        'file_received_video': "⬇️ فایل ویدیویی دریافت شد. در حال پردازش...",
+        'converting_video_note_to_video': "🔄 در حال تبدیل ویدیو دایره‌ای به ویدیو معمولی...",
+        'converting_video_to_video_note': "🔄 در حال تبدیل ویدیو معمولی به ویدیو دایره‌ای...",
+        'conversion_done_video': "✅ تبدیل ویدیو با موفقیت انجام شد. در حال ارسال...",
+        'video_note_to_video_caption': "ویدیو معمولی شما (تبدیل شده از ویدیو دایره‌ای)",
+        'video_to_video_note_reply': "ویدیو دایره‌ای شما (تبدیل شده از ویدیو معمولی)",
+        'error_video_conversion': "❌ خطا در تبدیل ویدیو: ",
+        'invalid_file_type_video': "لطفاً یک فایل ویدیویی یا ویدیو دایره‌ای ارسال کنید.",
+        'membership_required': "برای ادامه کار با ربات و استفاده نامحدود، لطفاً ابتدا عضو کانال‌های زیر شوید:",
+        'btn_join_channel': "عضو شدن 🤝",
+        'btn_check_membership': "بررسی عضویت ✅",
+        'membership_success': "✅ عضویت شما تأیید شد! اکنون می‌توانید به صورت نامحدود از ربات استفاده کنید.",
+        'membership_failed': "❌ متاسفم، شما هنوز عضو تمام کانال‌های مورد نیاز نیستید. لطفاً ابتدا عضو شوید و سپس دوباره 'بررسی عضویت' را بزنید.",
+        'not_admin': "شما اجازه دسترسی به این بخش را ندارید.",
+        'admin_menu_prompt': "به پنل مدیریت لینک‌ها خوش آمدید:",
+        'btn_add_channel': "افزودن لینک کانال ➕",
+        'btn_list_channels': "لیست کانال‌ها و حذف 🗑️",
+        'send_channel_link': "لطفاً لینک (مانند @mychannel) یا آیدی عددی کانال را ارسال کنید:",
+        'channel_added': "✅ کانال '{channel_id}' با موفقیت اضافه شد.",
+        'channel_already_exists': "❗️ این کانال قبلاً اضافه شده است.",
+        'no_channels_configured': "هیچ کانالی برای عضویت پیکربندی نشده است.",
+        'channel_list_prompt': "لیست کانال‌های فعلی برای عضویت اجباری:",
+        'btn_remove_channel': "حذف ❌",
+        'channel_removed': "✅ کانال '{channel_id}' با موفقیت حذف شد.",
+        'channel_not_found': "❗️ کانال مورد نظر یافت نشد.",
+        'invalid_channel_id': "آیدی/لینک کانال نامعتبر است. لطفاً @username یا آیدی عددی (مانند -1001234567890) را ارسال کنید.",
+        'bot_not_admin_in_channel': "ربات ادمین کانال '{channel_id}' نیست یا مجوزهای کافی برای بررسی عضویت را ندارد. لطفاً ربات را به عنوان ادمین با مجوز 'بررسی وضعیت اعضا' در کانال اضافه کنید.",
+        'group_only_command': "❌ این دستور فقط در گروه‌ها قابل اجراست.",
+        'not_group_admin': "❌ شما ادمین این گروه نیستید و نمی‌توانید این دستور را اجرا کنید.",
+        'random_message_already_active': "❗️ ارسال پیام‌های تصادفی در این گروه قبلاً فعال شده است.",
+        'random_message_not_active': "❗️ ارسال پیام‌های تصادفی در این گروه فعال نیست.",
+        'random_message_started': "✅ ارسال پیام‌های تصادفی در گروه فعال شد.\nپیام بعدی {interval} دیگر ارسال می‌شود.",
+        'random_message_stopped': "✅ ارسال پیام‌های تصادفی در گروه متوقف شد.",
+        'admin_check_error': "❌ خطا در بررسی وضعیت ادمین."
+    },
+    'en': {
+        'start_welcome': "Hello! I am an audio and video format conversion bot.\n\nTo start, select a feature from the menu below.",
+        'choose_language': "Choose your preferred language:",
+        'processing_start': "⏳ Starting processing...",
+        'file_received': "⬇️ File received. Processing...",
+        'conversion_done': "⚙️ Conversion complete. Sending...",
+        'mp3_to_voice_reply': "Your Telegram voice (converted from MP3)",
+        'voice_to_mp3_caption': "Your MP3 file (converted from Telegram voice)",
+        'error_mp3_to_voice': "❌ Error converting MP3 to Telegram voice: ",
+        'error_voice_to_mp3': "❌ Error converting Telegram voice to MP3: ",
+        'general_error': "Sorry, something went wrong. Please try again.",
+        'main_menu_prompt': "What would you like to do with your file?",
+        'btn_convert_format': "Change Audio Format 🎵",
+        'btn_cut_audio': "Cut Part of Audio ✂️",
+        'btn_video_conversion': "Convert Circular Video 🎥",
+        'convert_mode_active': "You are now in 'Change Audio Format' mode. Send me your audio file (voice or MP3).",
+        'cut_mode_active_file': "You are in the 'Cut Audio' section.\n\nFirst, send your audio file (MP3 or voice).",
+        'cut_mode_active_range': "Now send the desired time range for cutting in 'MM.SS-MM.SS' format (example: 00.21-00.54).",
+        'invalid_time_format': "Invalid time format. Please use 'MM.SS-MM.SS' format. (example: 00.21-00.54)",
+        'invalid_time_range': "Invalid time range or end time is less than start time. Please enter a valid range.",
+        'audio_cut_success': "✅ Audio cut successfully. Your file is ready.",
+        'no_audio_for_cut': "No audio file found for cutting. Please send the audio file first.",
+        'cut_processing': "✂️ Cutting audio...",
+        'returning_to_main_menu': "Returning to main menu...",
+        'cancel_message': "Operation cancelled. Returned to main menu.",
+        'video_conversion_mode_active': "You are in 'Circular Video Conversion' mode.\n\nSend me a regular video or a circular video message (Video Message).",
+        'file_received_video': "⬇️ Video file received. Processing...",
+        'converting_video_note_to_video': "🔄 Converting circular video to regular video...",
+        'converting_video_to_video_note': "🔄 Converting regular video to circular video...",
+        'conversion_done_video': "✅ Video conversion successful. Sending...",
+        'video_note_to_video_caption': "Your regular video (converted from circular video)",
+        'video_to_video_note_reply': "Your circular video (converted from regular video)",
+        'error_video_conversion': "❌ Error converting video: ",
+        'invalid_file_type_video': "Please send a video file or a video message.",
+        'membership_required': "To continue using the bot and access unlimited features, please join the following channels first:",
+        'btn_join_channel': "Join Channel 🤝",
+        'btn_check_membership': "Check Membership ✅",
+        'membership_success': "✅ Your membership has been verified! You can now use the bot unlimitedly.",
+        'membership_failed': "❌ Sorry, you are not yet a member of all required channels. Please join first and then press 'Check Membership' again.",
+        'not_admin': "You do not have permission to access this section.",
+        'admin_menu_prompt': "Welcome to the link management panel:",
+        'btn_add_channel': "Add Channel Link ➕",
+        'btn_list_channels': "List Channels & Remove 🗑️",
+        'send_channel_link': "Please send the channel link (e.g., @mychannel) or numeric ID:",
+        'channel_added': "✅ Channel '{channel_id}' successfully added.",
+        'channel_already_exists': "❗️ This channel has already been added.",
+        'no_channels_configured': "No channels configured for membership.",
+        'channel_list_prompt': "Current list of channels for mandatory membership:",
+        'btn_remove_channel': "Remove ❌",
+        'channel_removed': "✅ Channel '{channel_id}' successfully removed.",
+        'channel_not_found': "❗️ Channel not found.",
+        'invalid_channel_id': "Invalid channel ID/link. Please send @username or numeric ID (e.g., -1001234567890).",
+        'bot_not_admin_in_channel': "The bot is not an admin in channel '{channel_id}' or does not have sufficient permissions to check membership. Please add the bot as an admin with 'Check members' permission in the channel.",
+        'group_only_command': "❌ This command can only be used in groups.",
+        'not_group_admin': "❌ You are not an admin of this group and cannot execute this command.",
+        'random_message_already_active': "❗️ Random message sending is already active in this group.",
+        'random_message_not_active': "❗️ Random message sending is not active in this group.",
+        'random_message_started': "✅ Random message sending activated in the group.\nNext message will be sent in {interval}.",
+        'random_message_stopped': "✅ Random message sending stopped in the group.",
+        'admin_check_error': "❌ Error checking admin status."
+    }
+}
+
+def get_message(context, key, **kwargs):
+    lang = context.user_data.get('language', 'fa')
+    message_template = MESSAGES[lang].get(key, MESSAGES['fa'][key])
+    return message_template.format(**kwargs)
+
+def parse_time_to_ms(time_str):
+    match = re.match(r'^(\d{2})\.(\d{2})$', time_str)
+    if not match:
+        raise ValueError("Invalid time format")
+    minutes = int(match.group(1))
+    seconds = int(match.group(2))
+    if seconds >= 60:
+        raise ValueError("Seconds must be between 00 and 59")
+    return (minutes * 60 + seconds) * 1000
+
+async def check_user_membership(update: Update, context):
+    user_id = update.effective_user.id
+    if not REQUIRED_CHANNELS:
+        return True
+    all_channels_joined = True
+    for channel_id in REQUIRED_CHANNELS:
+        try:
+            chat_member = await context.bot.get_chat_member(chat_id=channel_id, user_id=user_id)
+            if chat_member.status not in ['member', 'administrator', 'creator']:
+                all_channels_joined = False
+                break
+        except Exception as e:
+            print(f"Error checking membership for channel {channel_id}: {e}", file=sys.stderr)
+            all_channels_joined = False
+            break
+    return all_channels_joined
+
+async def show_membership_required_message(update: Update, context):
+    keyboard = []
+    if not REQUIRED_CHANNELS:
+        return await show_main_menu(update, context)
+    for channel_id in REQUIRED_CHANNELS:
+        try:
+            chat = await context.bot.get_chat(chat_id=channel_id)
+            if chat.invite_link:
+                keyboard.append([InlineKeyboardButton(f"{get_message(context, 'btn_join_channel')} {chat.title or channel_id}", url=chat.invite_link)])
+            elif chat.username:
+                keyboard.append([InlineKeyboardButton(f"{get_message(context, 'btn_join_channel')} @{chat.username}", url=f"https://t.me/{chat.username}")])
+            else:
+                keyboard.append([InlineKeyboardButton(f"{get_message(context, 'btn_join_channel')} {channel_id}", callback_data=f"no_link_{channel_id}")])
+        except Exception as e:
+            print(f"Could not get chat info for {channel_id}: {e}", file=sys.stderr)
+            keyboard.append([InlineKeyboardButton(f"{get_message(context, 'btn_join_channel')} {channel_id}", callback_data=f"no_link_{channel_id}")])
+    keyboard.append([InlineKeyboardButton(get_message(context, 'btn_check_membership'), callback_data='check_membership')])
+    reply_markup = InlineKeyboardMarkup(keyboard)
+    if update.callback_query:
+        await update.callback_query.edit_message_text(get_message(context, 'membership_required'), reply_markup=reply_markup)
+    else:
+        await update.effective_message.reply_text(get_message(context, 'membership_required'), reply_markup=reply_markup)
+    return WAITING_FOR_MEMBERSHIP
+
+async def process_feature_or_check_membership(update: Update, context, feature_func, *args, **kwargs):
+    user_id = update.effective_user.id
+    if user_id == ADMIN_ID:
+        return await feature_func(update, context, *args, **kwargs)
+    if not REQUIRED_CHANNELS:
+        return await feature_func(update, context, *args, **kwargs)
+    if context.user_data.get('used_bot_once', False) and not context.user_data.get('is_member', False):
+        return await show_membership_required_message(update, context)
+    if not context.user_data.get('used_bot_once', False):
+        context.user_data['used_bot_once'] = True
+        is_member = await check_user_membership(update, context)
+        context.user_data['is_member'] = is_member
+        if not is_member:
+            return await show_membership_required_message(update, context)
+    result = await feature_func(update, context, *args, **kwargs)
+    if not context.user_data.get('is_member', False):
+        return await show_membership_required_message(update, context)
+    return result
+
+async def check_membership_callback(update: Update, context):
+    query = update.callback_query
+    await query.answer()
+    is_member = await check_user_membership(update, context)
+    if is_member:
+        context.user_data['is_member'] = True
+        await query.edit_message_text(get_message(context, 'membership_success'))
+        return await show_main_menu(update, context)
+    else:
+        await query.edit_message_text(get_message(context, 'membership_failed'), reply_markup=query.message.reply_markup)
+        return WAITING_FOR_MEMBERSHIP
+
+async def start(update: Update, context):
+    keyboard = [
+        [InlineKeyboardButton("فارسی 🇮🇷", callback_data='set_lang_fa')],
+        [InlineKeyboardButton("English 🇬🇧", callback_data='set_lang_en')]
+    ]
+    reply_markup = InlineKeyboardMarkup(keyboard)
+    await update.message.reply_text("زبان مورد نظر خود را انتخاب کنید:\nChoose your preferred language:", reply_markup=reply_markup)
+    return LANGUAGE_SELECTION
+
+async def set_language(update: Update, context):
+    query = update.callback_query
+    await query.answer()
+    lang_code = query.data.replace('set_lang_', '')
+    context.user_data['language'] = lang_code
+    await query.edit_message_text(text=get_message(context, 'start_welcome'))
+    return await process_feature_or_check_membership(update, context, show_main_menu)
+
+async def show_main_menu(update: Update, context):
+    keyboard = [
+        [InlineKeyboardButton(get_message(context, 'btn_convert_format'), callback_data='select_convert_format')],
+        [InlineKeyboardButton(get_message(context, 'btn_cut_audio'), callback_data='select_cut_audio')],
+        [InlineKeyboardButton(get_message(context, 'btn_video_conversion'), callback_data='select_video_conversion')]
+    ]
+    reply_markup = InlineKeyboardMarkup(keyboard)
+    if update.callback_query:
+        await update.callback_query.edit_message_text(text=get_message(context, 'main_menu_prompt'), reply_markup=reply_markup)
+    else:
+        await update.message.reply_text(text=get_message(context, 'main_menu_prompt'), reply_markup=reply_markup)
+    return MAIN_MENU
+
+async def change_format_selected(update: Update, context):
+    query = update.callback_query
+    await query.answer()
+    await query.edit_message_text(text=get_message(context, 'convert_mode_active'))
+    return CONVERT_AUDIO
+
+async def cut_audio_selected(update: Update, context):
+    query = update.callback_query
+    await query.answer()
+    await query.edit_message_text(text=get_message(context, 'cut_mode_active_file'))
+    context.user_data['audio_for_cut_path'] = None
+    return CUT_AUDIO_FILE
+
+async def video_conversion_selected(update: Update, context):
+    query = update.callback_query
+    await query.answer()
+    await query.edit_message_text(text=get_message(context, 'video_conversion_mode_active'))
+    return VIDEO_CONVERSION_MODE
+
+async def handle_audio(update: Update, context):
+    if not update.message.audio:
+        return CONVERT_AUDIO
+    async def _perform_conversion(update: Update, context):
+        file_id = update.message.audio.file_id
+        file_name = update.message.audio.file_name or f"audio_{file_id}.mp3"
+        processing_message = await update.message.reply_text(get_message(context, 'processing_start'))
+        download_path = os.path.join(DOWNLOAD_DIR, file_name)
+        output_ogg_path = os.path.join(OUTPUT_DIR, f"{os.path.splitext(file_name)[0]}.ogg")
+        try:
+            new_file = await context.bot.get_file(file_id)
+            await new_file.download_to_drive(download_path)
+            await processing_message.edit_text(get_message(context, 'file_received'))
+            audio = AudioSegment.from_mp3(download_path)
+            audio.export(output_ogg_path, format="ogg", codec="libopus", parameters=["-b:a", "32k"])
+            await processing_message.edit_text(get_message(context, 'conversion_done'))
+            with open(output_ogg_path, 'rb') as f:
+                sent_voice_message = await update.message.reply_voice(InputFile(f, filename=os.path.basename(output_ogg_path)))
+            if sent_voice_message:
+                await sent_voice_message.reply_text(get_message(context, 'mp3_to_voice_reply'))
+            await processing_message.delete()
+            return CONVERT_AUDIO
+        except Exception as e:
+            print(f"Error converting MP3 to voice: {e}", file=sys.stderr)
+            await processing_message.edit_text(get_message(context, 'error_mp3_to_voice') + str(e))
+            return CONVERT_AUDIO
+        finally:
+            if os.path.exists(download_path):
+                os.remove(download_path)
+            if os.path.exists(output_ogg_path):
+                os.remove(output_ogg_path)
+    return await process_feature_or_check_membership(update, context, _perform_conversion)
+
+async def handle_voice(update: Update, context):
+    if not update.message.voice:
+        return CONVERT_AUDIO
+    async def _perform_conversion(update: Update, context):
+        file_id = update.message.voice.file_id
+        processing_message = await update.message.reply_text(get_message(context, 'processing_start'))
+        download_path = os.path.join(DOWNLOAD_DIR, f"voice_{file_id}.ogg")
+        output_mp3_path = os.path.join(OUTPUT_DIR, f"@{BOT_USERNAME}_{file_id}.mp3")
+        try:
+            new_file = await context.bot.get_file(file_id)
+            await new_file.download_to_drive(download_path)
+            await processing_message.edit_text(get_message(context, 'file_received'))
+            audio = AudioSegment.from_file(download_path, format="ogg")
+            export_tags = {'album': BOT_USERNAME, 'artist': BOT_USERNAME}
+            audio.export(output_mp3_path, format="mp3", tags=export_tags)
+            await processing_message.edit_text(get_message(context, 'conversion_done'))
+            with open(output_mp3_path, 'rb') as f:
+                await update.message.reply_audio(InputFile(f, filename=os.path.basename(output_mp3_path)), caption=get_message(context, 'voice_to_mp3_caption'))
+            await processing_message.delete()
+            return CONVERT_AUDIO
+        except Exception as e:
+            print(f"Error converting voice to MP3: {e}", file=sys.stderr)
+            await processing_message.edit_text(get_message(context, 'error_voice_to_mp3') + str(e))
+            return CONVERT_AUDIO
+        finally:
+            if os.path.exists(download_path):
+                os.remove(download_path)
+            if os.path.exists(output_mp3_path):
+                os.remove(output_mp3_path)
+    return await process_feature_or_check_membership(update, context, _perform_conversion)
+
+async def handle_cut_audio_file(update: Update, context):
+    audio_file = update.message.audio or update.message.voice
+    if not audio_file:
+        await update.message.reply_text(get_message(context, 'no_audio_for_cut'))
+        return CUT_AUDIO_FILE
+    async def _perform_file_receive(update: Update, context):
+        file_id = audio_file.file_id
+        processing_message = await update.message.reply_text(get_message(context, 'processing_start'))
+        download_path = os.path.join(DOWNLOAD_DIR, f"cut_audio_{file_id}.{'mp3' if update.message.audio else 'ogg'}")
+        try:
+            new_file = await context.bot.get_file(file_id)
+            await new_file.download_to_drive(download_path)
+            context.user_data['audio_for_cut_path'] = download_path
+            context.user_data['audio_for_cut_type'] = 'mp3' if update.message.audio else 'ogg'
+            await processing_message.edit_text(get_message(context, 'cut_mode_active_range'))
+            await processing_message.delete()
+            return CUT_AUDIO_RANGE
+        except Exception as e:
+            print(f"Error handling cut audio file: {e}", file=sys.stderr)
+            await processing_message.edit_text(get_message(context, 'general_error') + str(e))
+            return CUT_AUDIO_FILE
+    return await process_feature_or_check_membership(update, context, _perform_file_receive)
+
+async def handle_cut_audio_range(update: Update, context):
+    time_range_str = update.message.text
+    audio_path = context.user_data.get('audio_for_cut_path')
+    audio_type = context.user_data.get('audio_for_cut_type')
+    if not audio_path or not os.path.exists(audio_path):
+        await update.message.reply_text(get_message(context, 'no_audio_for_cut'))
+        return CUT_AUDIO_FILE
+    async def _perform_cut(update: Update, context):
+        processing_message = await update.message.reply_text(get_message(context, 'cut_processing'))
+        output_cut_path = None
+        try:
+            start_time_str, end_time_str = time_range_str.split('-')
+            start_ms = parse_time_to_ms(start_time_str.strip())
+            end_ms = parse_time_to_ms(end_time_str.strip())
+            if start_ms >= end_ms:
+                await processing_message.edit_text(get_message(context, 'invalid_time_range'))
+                return CUT_AUDIO_RANGE
+            audio = AudioSegment.from_file(audio_path, format=audio_type)
+            cut_audio = audio[start_ms:end_ms]
+            output_cut_path = os.path.join(OUTPUT_DIR, f"cut_{os.path.basename(audio_path).split('.')[0]}.mp3")
+            cut_audio.export(output_cut_path, format="mp3")
+            await processing_message.edit_text(get_message(context, 'audio_cut_success'))
+            with open(output_cut_path, 'rb') as f:
+                await update.message.reply_audio(InputFile(f, filename=os.path.basename(output_cut_path)), caption=f"برش از {start_time_str} تا {end_time_str}")
+            await processing_message.delete()
+            return await show_main_menu(update, context)
+        except ValueError as ve:
+            print(f"Time format or range error: {ve}", file=sys.stderr)
+            await processing_message.edit_text(get_message(context, 'invalid_time_format'))
+            return CUT_AUDIO_RANGE
+        except Exception as e:
+            print(f"Error cutting audio: {e}", file=sys.stderr)
+            await processing_message.edit_text(get_message(context, 'general_error') + str(e))
+            return CUT_AUDIO_FILE
+        finally:
+            if os.path.exists(audio_path):
+                os.remove(audio_path)
+            if 'audio_for_cut_path' in context.user_data:
+                del context.user_data['audio_for_cut_path']
+            if 'audio_for_cut_type' in context.user_data:
+                del context.user_data['audio_for_cut_type']
+            if output_cut_path and os.path.exists(output_cut_path):
+                os.remove(output_cut_path)
+    return await process_feature_or_check_membership(update, context, _perform_cut)
+
+async def handle_video_conversion(update: Update, context):
+    file_to_process = None
+    is_video_note = False
+    if update.message.video:
+        file_to_process = update.message.video
+        file_name_prefix = "regular_video"
+        input_ext = ".mp4"
+    elif update.message.video_note:
+        file_to_process = update.message.video_note
+        is_video_note = True
+        file_name_prefix = "video_note"
+        input_ext = ".mp4"
+    else:
+        await update.message.reply_text(get_message(context, 'invalid_file_type_video'))
+        return VIDEO_CONVERSION_MODE
+
+    async def _perform_video_conversion(update: Update, context):
+        file_id = file_to_process.file_id
+        download_path = os.path.join(DOWNLOAD_DIR, f"{file_name_prefix}_{file_id}{input_ext}")
+        processing_message = await update.message.reply_text(get_message(context, 'processing_start'))
+        output_path = None
+        try:
+            new_file = await context.bot.get_file(file_id)
+            await new_file.download_to_drive(download_path)
+            await processing_message.edit_text(get_message(context, 'file_received_video'))
+            output_file_name = f"{file_name_prefix}_converted_{file_id}.mp4"
+            output_path = os.path.join(OUTPUT_DIR, output_file_name)
+            if is_video_note:
+                await processing_message.edit_text(get_message(context, 'converting_video_note_to_video'))
+                ffmpeg_command = [
+                    'ffmpeg', '-i', download_path,
+                    '-c:v', 'libx264', '-crf', '23', '-preset', 'medium',
+                    '-c:a', 'aac', '-b:a', '128k', '-movflags', '+faststart',
+                    output_path
+                ]
+                subprocess.run(ffmpeg_command, check=True, capture_output=True)
+                await processing_message.edit_text(get_message(context, 'conversion_done_video'))
+                with open(output_path, 'rb') as f:
+                    await update.message.reply_video(InputFile(f, filename=output_file_name), caption=get_message(context, 'video_note_to_video_caption'))
+            else:
+                await processing_message.edit_text(get_message(context, 'converting_video_to_video_note'))
+                ffmpeg_command = [
+                    'ffmpeg', '-i', download_path,
+                    '-vf', 'crop=min(iw\,ih):min(iw\,ih),scale=640:640',
+                    '-c:v', 'libx264', '-crf', '28', '-preset', 'veryfast',
+                    '-c:a', 'aac', '-b:a', '64k', '-movflags', '+faststart',
+                    output_path
+                ]
+                subprocess.run(ffmpeg_command, check=True, capture_output=True)
+                await processing_message.edit_text(get_message(context, 'conversion_done_video'))
+                with open(output_path, 'rb') as f:
+                    await update.message.reply_video_note(InputFile(f, filename=output_file_name))
+                await update.message.reply_text(get_message(context, 'video_to_video_note_reply'))
+            await processing_message.delete()
+            return VIDEO_CONVERSION_MODE
+        except subprocess.CalledProcessError as e:
+            print(f"FFmpeg error: {e.stderr.decode()}", file=sys.stderr)
+            await processing_message.edit_text(get_message(context, 'error_video_conversion') + f"FFmpeg Error: {e.stderr.decode()}")
+            return VIDEO_CONVERSION_MODE
+        except Exception as e:
+            print(f"General video conversion error: {e}", file=sys.stderr)
+            await processing_message.edit_text(get_message(context, 'error_video_conversion') + str(e))
+            return VIDEO_CONVERSION_MODE
+        finally:
+            if os.path.exists(download_path):
+                os.remove(download_path)
+            if output_path and os.path.exists(output_path):
+                os.remove(output_path)
+    return await process_feature_or_check_membership(update, context, _perform_video_conversion)
+
+async def cancel(update: Update, context):
+    await update.message.reply_text(get_message(context, 'cancel_message'))
+    if 'audio_for_cut_path' in context.user_data and os.path.exists(context.user_data['audio_for_cut_path']):
+        os.remove(context.user_data['audio_for_cut_path'])
+        del context.user_data['audio_for_cut_path']
+    if 'audio_for_cut_type' in context.user_data:
+        del context.user_data['audio_for_cut_type']
+    context.user_data['is_member'] = False
+    context.user_data['used_bot_once'] = False
+    return await show_main_menu(update, context)
+
+async def error_handler(update: Update, context):
+    print(f"Update {update} caused error {context.error}", file=sys.stderr)
+    if update.message:
+        await update.message.reply_text(get_message(context, 'general_error'))
+    return ConversationHandler.END
+
+async def admin_link_command(update: Update, context):
+    if update.effective_user.id != ADMIN_ID:
+        await update.message.reply_text(get_message(context, 'not_admin'))
+        return ConversationHandler.END
+    keyboard = [
+        [InlineKeyboardButton(get_message(context, 'btn_add_channel'), callback_data='admin_add_channel')],
+        [InlineKeyboardButton(get_message(context, 'btn_list_channels'), callback_data='admin_list_channels')]
+    ]
+    reply_markup = InlineKeyboardMarkup(keyboard)
+    await update.message.reply_text(get_message(context, 'admin_menu_prompt'), reply_markup=reply_markup)
+    return ADMIN_MENU
+
+async def admin_add_channel_prompt(update: Update, context):
+    query = update.callback_query
+    await query.answer()
+    await query.edit_message_text(get_message(context, 'send_channel_link'))
+    return ADD_CHANNEL
+
+async def admin_handle_add_channel(update: Update, context):
+    channel_input = update.message.text.strip()
+    if not (channel_input.startswith('@') or channel_input.startswith('-100')):
+        await update.message.reply_text(get_message(context, 'invalid_channel_id'))
+        return ADD_CHANNEL
+    try:
+        chat_member = await context.bot.get_chat_member(chat_id=channel_input, user_id=context.bot.id)
+        if not (chat_member.status == 'administrator' and chat_member.can_invite_users):
+            await update.message.reply_text(get_message(context, 'bot_not_admin_in_channel', channel_id=channel_input))
+            return ADD_CHANNEL
+    except Exception as e:
+        print(f"Error checking bot's admin status in channel {channel_input}: {e}", file=sys.stderr)
+        await update.message.reply_text(get_message(context, 'invalid_channel_id') + f"\nError: {e}")
+        return ADD_CHANNEL
+    if channel_input not in REQUIRED_CHANNELS:
+        REQUIRED_CHANNELS.append(channel_input)
+        save_required_channels(REQUIRED_CHANNELS)
+        await update.message.reply_text(get_message(context, 'channel_added', channel_id=channel_input))
+    else:
+        await update.message.reply_text(get_message(context, 'channel_already_exists'))
+    return await admin_link_command(update, context)
+
+async def admin_list_channels(update: Update, context):
+    query = update.callback_query
+    await query.answer()
+    if not REQUIRED_CHANNELS:
+        await query.edit_message_text(get_message(context, 'no_channels_configured'))
+        return ADMIN_MENU
+    keyboard = []
+    message_text = get_message(context, 'channel_list_prompt') + "\n\n"
+    for i, channel_id in enumerate(REQUIRED_CHANNELS):
+        try:
+            chat = await context.bot.get_chat(chat_id=channel_id)
+            channel_name = chat.title if chat.title else channel_id
+            message_text += f"{i+1}. {channel_name} (`{channel_id}`)\n"
+            keyboard.append([InlineKeyboardButton(f"{get_message(context, 'btn_remove_channel')} {channel_name}", callback_data=f'remove_channel_{channel_id}')])
+        except Exception as e:
+            message_text += f"{i+1}. {channel_id} (خطا در دریافت اطلاعات: {e})\n"
+            keyboard.append([InlineKeyboardButton(f"{get_message(context, 'btn_remove_channel')} {channel_id}", callback_data=f'remove_channel_{channel_id}')])
+    reply_markup = InlineKeyboardMarkup(keyboard)
+    await query.edit_message_text(message_text, reply_markup=reply_markup, parse_mode='Markdown')
+    return LIST_REMOVE_CHANNELS
+
+async def admin_handle_remove_channel(update: Update, context):
+    query = update.callback_query
+    await query.answer()
+    channel_id_to_remove = query.data.replace('remove_channel_', '')
+    if channel_id_to_remove in REQUIRED_CHANNELS:
+        REQUIRED_CHANNELS.remove(channel_id_to_remove)
+        save_required_channels(REQUIRED_CHANNELS)
+        await query.edit_message_text(get_message(context, 'channel_removed', channel_id=channel_id_to_remove))
+    else:
+        await query.edit_message_text(get_message(context, 'channel_not_found'))
+    return await admin_link_command(update, context)
+
+# قابلیت ارسال پیام‌های تصادفی در گروه‌ها
+scheduler = AsyncIOScheduler()
+scheduler.start()
+
+group_jobs = {}
+
+def format_interval(seconds):
+    if seconds < 60:
+        return f"{seconds} ثانیه"
+    minutes = seconds // 60
+    seconds = seconds % 60
+    return f"{minutes:02d}:{seconds:02d}"
+
+async def send_random_message(context, chat_id):
+    try:
+        await context.bot.send_message(chat_id=chat_id, text="سلام به همه")
+        next_interval = random.randint(21, 180)
+        group_jobs[chat_id].reschedule('interval', seconds=next_interval)
+        await context.bot.send_message(
+            chat_id=chat_id,
+            text=f"پیام بعدی {format_interval(next_interval)} دیگر ارسال می‌شود."
+        )
+    except Exception as e:
+        print(f"Error sending message to {chat_id}: {e}")
+
+async def run_command(update: Update, context):
+    chat_id = update.effective_chat.id
+    user_id = update.effective_user.id
+    if update.effective_chat.type not in ['group', 'supergroup']:
+        await update.message.reply_text(get_message(context, 'group_only_command'))
+        return
+    try:
+        chat_member = await context.bot.get_chat_member(chat_id=chat_id, user_id=user_id)
+        if chat_member.status not in ['administrator', 'creator']:
+            await update.message.reply_text(get_message(context, 'not_group_admin'))
+            return
+    except Exception as e:
+        print(f"Error checking admin status: {e}", file=sys.stderr)
+        await update.message.reply_text(get_message(context, 'admin_check_error'))
+        return
+    if chat_id in group_jobs:
+        await update.message.reply_text(get_message(context, 'random_message_already_active'))
+        return
+    initial_interval = random.randint(21, 180)
+    job = scheduler.add_job(
+        send_random_message,
+        'interval',
+        seconds=initial_interval,
+        args=[context, chat_id],
+        id=str(chat_id),
+        replace_existing=True
+    )
+    group_jobs[chat_id] = job
+    await update.message.reply_text(
+        get_message(context, 'random_message_started', interval=format_interval(initial_interval))
+    )
+
+async def stop_command(update: Update, context):
+    chat_id = update.effective_chat.id
+    user_id = update.effective_user.id
+    if update.effective_chat.type not in ['group', 'supergroup']:
+        await update.message.reply_text(get_message(context, 'group_only_command'))
+        return
+    try:
+        chat_member = await context.bot.get_chat_member(chat_id=chat_id, user_id=user_id)
+        if chat_member.status not in ['administrator', 'creator']:
+            await update.message.reply_text(get_message(context, 'not_group_admin'))
+            return
+    except Exception as e:
+        print(f"Error checking admin status: {e}", file=sys.stderr)
+        await update.message.reply_text(get_message(context, 'admin_check_error'))
+        return
+    if chat_id not in group_jobs:
+        await update.message.reply_text(get_message(context, 'random_message_not_active'))
+        return
+    job = group_jobs.pop(chat_id)
+    job.remove()
+    await update.message.reply_text(get_message(context, 'random_message_stopped'))
+
+def main():
+    application = Application.builder().token(TOKEN).build()
+    conv_handler = ConversationHandler(
+        entry_points=[
+            CommandHandler("start", start),
+            CommandHandler("link", admin_link_command)
+        ],
+        states={
+            LANGUAGE_SELECTION: [CallbackQueryHandler(set_language, pattern='^set_lang_')],
+            MAIN_MENU: [
+                CallbackQueryHandler(change_format_selected, pattern='^select_convert_format$'),
+                CallbackQueryHandler(cut_audio_selected, pattern='^select_cut_audio$'),
+                CallbackQueryHandler(video_conversion_selected, pattern='^select_video_conversion$')
+            ],
+            CONVERT_AUDIO: [
+                MessageHandler(filters.AUDIO & ~filters.COMMAND, handle_audio),
+                MessageHandler(filters.VOICE & ~filters.COMMAND, handle_voice),
+                CommandHandler("start", start),
+                CommandHandler("cancel", cancel)
+            ],
+            CUT_AUDIO_FILE: [
+                MessageHandler(filters.AUDIO & ~filters.COMMAND, handle_cut_audio_file),
+                MessageHandler(filters.VOICE & ~filters.COMMAND, handle_cut_audio_file),
+                CommandHandler("start", start),
+                CommandHandler("cancel", cancel)
+            ],
+            CUT_AUDIO_RANGE: [
+                MessageHandler(filters.TEXT & ~filters.COMMAND, handle_cut_audio_range),
+                CommandHandler("start", start),
+                CommandHandler("cancel", cancel)
+            ],
+            VIDEO_CONVERSION_MODE: [
+                MessageHandler(filters.VIDEO & ~filters.COMMAND, handle_video_conversion),
+                MessageHandler(filters.VIDEO_NOTE & ~filters.COMMAND, handle_video_conversion),
+                CommandHandler("start", start),
+                CommandHandler("cancel", cancel)
+            ],
+            WAITING_FOR_MEMBERSHIP: [
+                CallbackQueryHandler(check_membership_callback, pattern='^check_membership$'),
+                CommandHandler("start", start),
+                CommandHandler("cancel", cancel)
+            ],
+            ADMIN_MENU: [
+                CallbackQueryHandler(admin_add_channel_prompt, pattern='^admin_add_channel$'),
+                CallbackQueryHandler(admin_list_channels, pattern='^admin_list_channels$'),
+                CommandHandler("start", start),
+                CommandHandler("cancel", cancel)
+            ],
+            ADD_CHANNEL: [
+                MessageHandler(filters.TEXT & ~filters.COMMAND, admin_handle_add_channel),
+                CommandHandler("start", start),
+                CommandHandler("cancel", cancel)
+            ],
+            LIST_REMOVE_CHANNELS: [
+                CallbackQueryHandler(admin_handle_remove_channel, pattern='^remove_channel_'),
+                CommandHandler("start", start),
+                CommandHandler("cancel", cancel)
+            ]
+        },
+        fallbacks=[CommandHandler("cancel", cancel), CommandHandler("start", start)],
+        allow_reentry=True
+    )
+    application.add_handler(conv_handler)
+    application.add_handler(CommandHandler("run", run_command))
+    application.add_handler(CommandHandler("stop", stop_command))
+    application.add_error_handler(error_handler)
+    print("ربات در حال اجرا است...")
+    application.run_polling(allowed_updates=Update.ALL_TYPES)
+
+if __name__ == "__main__":
+    main()

channels.json

@@ -0,0 +1 @@
+[ ]

requirements.txt

@@ -0,0 +1,4 @@
+python-telegram-bot==20.7
+pydub==0.25.1
+ffmpeg-python==0.2.0
+apscheduler==3.10.4