5

backend/app/services/access_log_service.py

@@ -0,0 +1,32 @@
+"""访问日志服务。"""
+
+from datetime import datetime, timezone
+
+from app.models.access_log import AccessLog
+from sqlalchemy.orm import Session
+
+
+class AccessLogService:
+    def __init__(self, session: Session) -> None:
+        self._session = session
+
+    def record(
+        self,
+        *,
+        knowledge_base_id: str,
+        document_id: str | None = None,
+        path: str,
+        user_agent: str | None = None,
+        request_type: str | None = None,
+    ) -> None:
+        """记录一次访问。"""
+        log = AccessLog(
+            knowledge_base_id=knowledge_base_id,
+            document_id=document_id,
+            path=path,
+            accessed_at=datetime.now(timezone.utc).isoformat(),
+            user_agent=user_agent[:500] if user_agent else None,
+            request_type=request_type,
+        )
+        self._session.add(log)
+        self._session.commit()