Validate backups before restore

frontend/src/api.ts

@@ -32,6 +32,12 @@ type DeleteSessionResult = {
   };
 };
 
+export type RestoreValidationResult = {
+  valid: boolean;
+  checkedTables: number;
+  issues: string[];
+};
+
 export class ApiError extends Error {
   constructor(
     message: string,
@@ -107,6 +113,13 @@ export function restoreSetupBackup(sql: string) {
   });
 }
 
+export function validateSetupBackup(sql: string) {
+  return request<RestoreValidationResult>("/api/setup/restore/validate", {
+    method: "POST",
+    body: JSON.stringify({ sql })
+  });
+}
+
 export function getAdminUsers() {
   return request<{ users: AdminUser[] }>("/api/admin/users");
 }
@@ -164,6 +177,13 @@ export function restoreDatabaseBackup(sql: string) {
   });
 }
 
+export function validateDatabaseBackup(sql: string) {
+  return request<RestoreValidationResult>("/api/admin/restore/database/validate", {
+    method: "POST",
+    body: JSON.stringify({ sql })
+  });
+}
+
 export async function downloadMonthExport(month: string) {
   const response = await fetch(`/api/export/months/${month}`, {
     credentials: "same-origin"