From ee3e87a6ec19878d56e8f386b20c58e4d9b211b3 Mon Sep 17 00:00:00 2001
From: Dmitrii Morozov <snoopdesigns@gmail.com>
Date: Tue, 7 May 2024 17:15:25 +0200
Subject: Modules

---
 telegram_bot/__init__.py | 59 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 telegram_bot/__init__.py

(limited to 'telegram_bot/__init__.py')

diff --git a/telegram_bot/__init__.py b/telegram_bot/__init__.py
new file mode 100644
index 0000000..ab9f61d
--- /dev/null
+++ b/telegram_bot/__init__.py
@@ -0,0 +1,59 @@
+import telebot
+import os
+import logging
+import traceback
+import sys
+from telebot.async_telebot import AsyncTeleBot
+from persistence import *
+
+class CommandHandler:
+    async def handle(self, message: telebot.types.Message):
+        pass
+
+class TelegramBot:
+    __bot: AsyncTeleBot
+    __user_repository: UserRepository
+
+    def __init__(self, user_repository: UserRepository):
+        self.__user_repository = user_repository
+
+        # Check token in environment variables
+        if "TELEBOT_BOT_TOKEN" not in os.environ:
+            raise AssertionError("Please configure TELEBOT_BOT_TOKEN as environment variables")
+
+        self.__bot = telebot.async_telebot.AsyncTeleBot(
+            token=os.environ["TELEBOT_BOT_TOKEN"],
+            exception_handler=ExceptionHandler())
+    
+    async def run(self):
+        await self.__bot.polling() 
+    
+    def register_command_handler(self, command: str, command_handler: CommandHandler):
+        self.__bot.register_message_handler(
+            command_handler.handle, 
+            commands=[ command ])
+    
+    async def send_message_to_all(self, message_text: str):
+        for user in self.__user_repository.get_all_users():
+            try:
+                await self.__bot.send_message(
+                    user[0],
+                    message_text,
+                    parse_mode='MarkdownV2'
+                )
+            except Exception as error:
+                if 'bot was kicked from the group chat' in str(error):
+                    self.__user_repository.remove_chat(user[0])
+    
+    async def reply(self, message, message_text):
+        await self.__bot.reply_to(
+            message,
+            message_text,
+            parse_mode='MarkdownV2')
+
+class ExceptionHandler(telebot.ExceptionHandler):
+    def handle(self, exception):
+        logging.error('Exception happened: {}'.format(str(exception)))
+        print(traceback.format_exc())
+        sys.exit('Exiting with telebot exception')
+        return True
\ No newline at end of file
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