React

frontend/src/hooks/useUser.ts

@@ -0,0 +1,37 @@
+import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
+import { getUser, type User, updateUser } from "src/api/backend";
+
+const fetchUser = (id: number | string) => {
+	return getUser(id, { expand: "permissions" });
+};
+
+const useUser = (id: string | number, options = {}) => {
+	return useQuery<User, Error>({
+		queryKey: ["user", id],
+		queryFn: () => fetchUser(id),
+		staleTime: 60 * 1000, // 1 minute
+		...options,
+	});
+};
+
+const useSetUser = () => {
+	const queryClient = useQueryClient();
+	return useMutation({
+		mutationFn: (values: User) => updateUser(values),
+		onMutate: (values: User) => {
+			const previousObject = queryClient.getQueryData(["user", values.id]);
+			queryClient.setQueryData(["user", values.id], (old: User) => ({
+				...old,
+				...values,
+			}));
+			return () => queryClient.setQueryData(["user", values.id], previousObject);
+		},
+		onError: (_, __, rollback: any) => rollback(),
+		onSuccess: async ({ id }: User) => {
+			queryClient.invalidateQueries({ queryKey: ["user", id] });
+			queryClient.invalidateQueries({ queryKey: ["users"] });
+		},
+	});
+};
+
+export { useUser, useSetUser };