Notify moderators about service center applications

app/services/notifications.py

@@ -0,0 +1,27 @@
+import httpx
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from app.core.config import settings
+from app.models.user import User
+
+MODERATOR_ROLES = {"admin", "verifier", "moderator"}
+
+
+async def notify_user(user: User, text: str) -> None:
+    if not settings.bot_token or settings.app_env == "test":
+        return
+    try:
+        async with httpx.AsyncClient(timeout=5) as client:
+            await client.post(
+                f"https://api.telegram.org/bot{settings.bot_token}/sendMessage",
+                data={"chat_id": str(user.telegram_id), "text": text},
+            )
+    except Exception:
+        return
+
+
+async def notify_platform_moderators(session: AsyncSession, text: str) -> None:
+    result = await session.execute(select(User).where(User.platform_role.in_(MODERATOR_ROLES)))
+    for user in result.scalars():
+        await notify_user(user, text)