Update app.py

app.py

@@ -141,7 +141,7 @@ MESSAGES = {
         '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_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.",
@@ -743,79 +743,89 @@ async def admin_handle_remove_channel(update: Update, context):
     return await admin_link_command(update, context)
 
 app = Flask(__name__)
-# application = None # این خط را حذف یا کامنت کنید
-
-# مقداردهی اولیه Application در سطح سراسری (Global Scope)
-# این اطمینان می دهد که Application یک بار در زمان شروع برنامه مقداردهی می شود.
-application = Application.builder().token(TOKEN).build()
-
-# اضافه کردن هندلرها به Application در زمان مقداردهی اولیه
-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_error_handler(error_handler)
-print("Telegram bot Application initialized.")
+# Application باید قبل از اینکه Flask شروع به گوش دادن کند، آماده باشد.
+# این کار را با یک تابع که در زمان شروع gunicorn فراخوانی می شود، انجام می دهیم.
+def initialize_bot_application():
+    global application
+    if application is None: # فقط اگر هنوز مقداردهی اولیه نشده باشد
+        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_error_handler(error_handler)
+        # این خط برای اطمینان از مقداردهی اولیه Application است
+        application.post_init() 
+        print("Telegram bot Application initialized and post_init called.")
+
+
+@app.before_request
+def before_request_func():
+    # این تابع قبل از هر درخواست Flask اجرا می شود
+    # و اطمینان می دهد که application مقداردهی اولیه شده است.
+    initialize_bot_application()
 
 
 @app.route("/")
@@ -824,14 +834,14 @@ async def index():
 
 @app.route("/webhook", methods=["POST"])
 async def webhook():
-    # await setup_bot() # این خط را حذف کنید
+    # Application قبلاً توسط before_request مقداردهی اولیه شده است
     update = Update.de_json(request.get_json(force=True), application.bot)
     await application.process_update(update)
     return "ok"
 
 @app.route("/set_webhook", methods=["GET"])
 async def set_webhook_route():
-    # await setup_bot() # این خط را حذف کنید
+    # Application قبلاً توسط before_request مقداردهی اولیه شده است
     webhook_url = os.getenv("WEBHOOK_URL")
     if not webhook_url:
         return jsonify({"status": "error", "message": "WEBHOOK_URL environment variable not set."}), 500
@@ -847,4 +857,6 @@ async def set_webhook_route():
 
 if __name__ == "__main__":
     print("Starting Flask app...")
+    # در محیط توسعه محلی، می توانیم application را مستقیماً مقداردهی اولیه کنیم
+    initialize_bot_application() 
     app.run(host='0.0.0.0', port=int(os.environ.get("PORT", 7860)))