Feature - add logs for admin user

backend/app/services/audit.py

@@ -0,0 +1,41 @@
+import json
+from typing import Any
+
+from fastapi import Request
+from sqlalchemy.orm import Session
+
+from app.models.audit_log import AuditLog
+from app.models.user import User
+
+
+def get_client_ip(request: Request | None) -> str | None:
+    if request is None:
+        return None
+    forwarded = request.headers.get("x-forwarded-for")
+    if forwarded:
+        return forwarded.split(",")[0].strip()
+    if request.client:
+        return request.client.host
+    return None
+
+
+def log_action(
+    db: Session,
+    action: str,
+    *,
+    user: User | None = None,
+    resource_type: str | None = None,
+    resource_id: int | None = None,
+    details: dict[str, Any] | None = None,
+    ip_address: str | None = None,
+) -> None:
+    entry = AuditLog(
+        user_id=user.id if user else None,
+        username=user.username if user else None,
+        action=action,
+        resource_type=resource_type,
+        resource_id=resource_id,
+        details=json.dumps(details, ensure_ascii=False) if details else None,
+        ip_address=ip_address,
+    )
+    db.add(entry)