Add admin operation log rollback

app/app/routers/admin.py

@@ -1,5 +1,7 @@
 from __future__ import annotations
 
+from pathlib import Path
+
 from fastapi import APIRouter, Depends, HTTPException, Query
 
 from ..auth import verify_admin_auth
@@ -20,6 +22,7 @@ from ..data import (
     migrate_operation_log_labels,
     query_course_summaries,
     reject_admin_task,
+    rollback_operation_log,
     update_course_summary_time,
 )
 
@@ -27,6 +30,16 @@ from ..data import (
 router = APIRouter()
 
 
+def rollback_backup_paths() -> list[Path]:
+    return [
+        CLASSNOTES_PATH,
+        ACCOUNTS_PATH,
+        ADMIN_TASKS_PATH,
+        COURSE_SUMMARIES_ROOT,
+        OPERATION_LOGS_PATH,
+    ]
+
+
 @router.get("/api/admin/tasks")
 def admin_tasks(
     status_filter: str = Query("", alias="status"),
@@ -54,9 +67,29 @@ def admin_operation_logs(
         operation=operation,
         status_filter=status_filter,
         student=student,
+        backup_paths=rollback_backup_paths(),
     )
 
 
+@router.post("/api/admin/operation-logs/{log_id}/rollback")
+def admin_rollback_operation_log(log_id: str, _user: str = Depends(verify_admin_auth)):
+    try:
+        with write_lock:
+            result = rollback_operation_log(OPERATION_LOGS_PATH, log_id, rollback_backup_paths())
+            append_operation_log(
+                OPERATION_LOGS_PATH,
+                "撤回操作",
+                "已撤回",
+                target_log_id=log_id,
+                target_backup_id=str(result.get("target_backup_id") or ""),
+                backup_id=str(result.get("backup_id") or ""),
+                restored_files=result.get("restored_files") or [],
+            )
+    except ValueError as exc:
+        raise HTTPException(status_code=409, detail=str(exc)) from exc
+    return {"ok": True, **result}
+
+
 @router.get("/api/admin/course-summaries")
 def admin_course_summaries(
     q: str = Query(""),