(#636): send messaage after bot unblock

src/bot/handlers/registration.py

@@ -63,12 +63,21 @@ async def on_chat_member_update(
         return None
     if my_chat_member.new_chat_member.status == my_chat_member.new_chat_member.BANNED:
         await user_service.bot_banned(user)
-        await procharity_api.send_user_bot_status(user)
-        return user
-    if my_chat_member.new_chat_member.status == my_chat_member.new_chat_member.MEMBER:
+    elif my_chat_member.new_chat_member.status == my_chat_member.new_chat_member.MEMBER:
         await user_service.bot_unbanned(user)
-        await procharity_api.send_user_bot_status(user)
-        return user
+    await procharity_api.send_user_bot_status(user)
+    unblock_text = (
+        "<b>Вы разблокировали бот ProCharity</b>\n\n"
+        if user.is_volunteer
+        else "<b>Ты разблокировал бот ProCharity</b>\n\n"
+    )
+    await context.bot.send_message(
+        chat_id=effective_user.id,
+        text=unblock_text,
+        parse_mode=ParseMode.HTML,
+        disable_web_page_preview=True,
+    )
+    return user
 
 
 def registration_handlers(app: Application):