runtime settings loaded from DB/ refactoring admin-panel/ minor fixes and improvements

handlers/admin/management/maintenance.py

@@ -0,0 +1,52 @@
+from aiogram import F
+from aiogram.types import CallbackQuery
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from core.bootstrap import MANAGEGENT_CONFIG, update_management_config
+from database.models import Admin
+from filters.admin import IsAdminFilter
+
+from . import router
+from .keyboard import AdminPanelCallback, build_management_kb
+
+
+@router.callback_query(AdminPanelCallback.filter(F.action == "management"), IsAdminFilter())
+async def handle_management(callback_query: CallbackQuery, session: AsyncSession):
+    tg_id = callback_query.from_user.id
+
+    result = await session.execute(select(Admin).where(Admin.tg_id == tg_id))
+    admin = result.scalar_one_or_none()
+
+    if not admin:
+        await callback_query.message.edit_text("❌ Вы не зарегистрированы как администратор.")
+        return
+
+    await callback_query.message.edit_text(
+        text="🤖 Управление ботом",
+        reply_markup=build_management_kb(admin.role),
+    )
+
+
+@router.callback_query(AdminPanelCallback.filter(F.action == "toggle_maintenance"))
+async def toggle_maintenance_mode(callback: CallbackQuery, session: AsyncSession):
+    tg_id = callback.from_user.id
+
+    result = await session.execute(select(Admin).where(Admin.tg_id == tg_id))
+    admin = result.scalar_one_or_none()
+
+    if not admin:
+        await callback.answer("❌ Админ не найден.", show_alert=True)
+        return
+
+    current_config = dict(MANAGEGENT_CONFIG)
+    current_value = bool(current_config.get("MAINTENANCE_ENABLED", False))
+    new_value = not current_value
+    current_config["MAINTENANCE_ENABLED"] = new_value
+
+    await update_management_config(session, current_config)
+
+    new_status = "включён" if new_value else "выключен"
+    await callback.answer(f"🛠️ Режим обслуживания {new_status}.", show_alert=True)
+
+    await callback.message.edit_reply_markup(reply_markup=build_management_kb(admin.role))