Add system notice interface (#487)

backend/app/admin/schema/notice.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+from datetime import datetime
+
+from pydantic import ConfigDict, Field
+
+from backend.common.enums import StatusType
+from backend.common.schema import SchemaBase
+
+
+class NoticeSchemaBase(SchemaBase):
+    title: str
+    type: int
+    author: str
+    source: str
+    status: StatusType = Field(StatusType.enable)
+    content: str
+
+
+class CreateNoticeParam(NoticeSchemaBase):
+    pass
+
+
+class UpdateNoticeParam(NoticeSchemaBase):
+    pass
+
+
+class GetNoticeListDetails(NoticeSchemaBase):
+    model_config = ConfigDict(from_attributes=True)
+
+    id: int
+    created_time: datetime
+    updated_time: datetime | None = None