Checking user is a member of the channel

handlers/user_commands.py

@@ -1,14 +1,17 @@
 from typing import List
 
 from aiogram import Bot, F, types
-from aiogram.filters import CommandStart
+from aiogram.enums import ChatMemberStatus
+from aiogram.filters import Command, CommandStart
 
 from handlers.handler import Handler
 from neuroapi import neuroapi
 from neuroapi.types import Admin as AdminType
+from neuroapi.types import BotSettings as BotSettingsType
 
 
 class UserCommands(Handler):
+    settings: BotSettingsType
 
     def __init__(self, bot: Bot) -> None:
         super().__init__(bot)
@@ -19,13 +22,22 @@ class UserCommands(Handler):
                 
         @self.router.message(F.chat.type == 'private')
         async def forward_post(message: types.Message):
+            self.settings = BotSettingsType.get_active()
+            user = await bot.get_chat_member(self.settings.channel, message.from_user.id)
+            if user is None:
+                await message.reply('Ошибка')
+                return
+            user_in_channel = user.status == ChatMemberStatus.LEFT
             admins: List[AdminType] = await neuroapi.admin.get()
             canReply = True
             for admin in admins:
                 await bot.send_message(admin.user_id, f'Вам новое сообщение от пользователя {message.from_user.full_name}. ' +
-                                       (f'\nНик: @{message.from_user.username}' if message.from_user.username else f'ID: {message.from_user.id}'))
+                                       (f'\nНик: @{message.from_user.username}' if message.from_user.username else f'ID: {message.from_user.id}') + 
-                forwarded_message = await bot.forward_message(admin.user_id, message.chat.id, message.message_id)
+                                       f'\nПользователь{" не " if user_in_channel else " "}состоит в канале')
-                if forwarded_message.forward_from is None:
+                try:
-                    canReply = False
+                    forwarded_message = await bot.forward_message(admin.user_id, message.chat.id, message.message_id)
+                    if forwarded_message.forward_from is None:
+                        canReply = False
+                except:
+                    pass
             await message.reply('Ваше сообщение было отправлено администраторам'+('' if canReply else '\nНо они не смогут вам ответить из-за ваших настроек конфиденциальности.'))
-

neuroapi/types/_bot_settings.py

@@ -1,11 +1,13 @@
 from dataclasses import dataclass
+from typing import Optional
 from uuid import UUID
 
 from ._helpers import *
+from ._singleton import Singleton
 
 
 @dataclass
-class BotSettings:
+class BotSettings(Singleton):
     uuid: UUID
     message_times: List[str]
     channel: str
@@ -27,3 +29,10 @@ class BotSettings:
         result["channel"] = from_str(self.channel)
         result["isActive"] = from_bool(self.is_active)
         return result
+
+    @staticmethod
+    def get_active() -> Optional['BotSettings']:
+        try:
+            return BotSettings._instances[BotSettings]
+        except:
+            return None