cm_bot_v2/web/components/users-table.tsx
yiekheng 850fb71ddd fix(web): force scroll-to-top on tab switch (iOS Safari quirk)
Next.js App Router *should* reset scroll on route change, but iOS
Safari (and occasionally Chrome on Android) preserves the document
scroll position when navigating between routes that share a layout —
the user lands on the new tab halfway down the page and has to scroll
manually.

Adds a useEffect([]) in both AccountsTable and UsersTable that calls
window.scrollTo({top:0, left:0, behavior:'instant'}) on mount. Route
transitions remount the table component (different page module), so
the empty deps array fires exactly once per visit.

'instant' behavior avoids a smooth-scroll animation that would compete
with the loading-skeleton swap.
2026-05-03 11:51:27 +08:00

505 lines
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TypeScript
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"use client";
import { useEffect, useOptimistic, useRef, useState, useTransition } from "react";
import type { User } from "@/lib/types";
import {
deleteUser,
loadMoreUsers,
refreshUsers,
updateUser,
} from "@/app/actions";
import EditableCell from "./editable-cell";
import ConfirmDialog from "./confirm-dialog";
import CreateUserDialog from "./create-user-dialog";
import Toast, { type ToastMessage } from "./toast";
type Props = {
initial: User[];
initialHasMore: boolean;
initialTotal: number;
prefixPattern: string;
};
type SortDir = "asc" | "desc";
type SortKey = "f_username" | "last_update_time";
type OptimisticPatch = {
f_username: string;
field: keyof Pick<User, "f_password" | "t_username" | "t_password">;
value: string;
};
function formatTime(t: string | null) {
if (!t) return <em className="not-italic text-zinc-400"></em>;
const d = new Date(t);
if (Number.isNaN(d.getTime())) return t;
return d.toLocaleString(undefined, {
month: "short",
day: "2-digit",
hour: "2-digit",
minute: "2-digit",
});
}
function DeleteButton({
label,
onClick,
}: {
label: string;
onClick: () => void;
}) {
return (
<button
type="button"
onClick={onClick}
aria-label={`Delete ${label}`}
className="inline-flex h-7 w-7 items-center justify-center rounded-md text-zinc-400 transition-colors hover:bg-red-50 hover:text-red-600 focus:outline-none focus-visible:ring-2 focus-visible:ring-red-400"
>
<span aria-hidden="true" className="text-base leading-none">
×
</span>
</button>
);
}
export default function UsersTable({
initial,
initialHasMore,
initialTotal,
prefixPattern,
}: Props) {
const [sortKey, setSortKey] = useState<SortKey>("last_update_time");
const [sortDir, setSortDir] = useState<SortDir>("desc");
const [editingKey, setEditingKey] = useState<string | null>(null);
const [, startTransition] = useTransition();
const [loadingMore, setLoadingMore] = useState(false);
const [deleteTarget, setDeleteTarget] = useState<string | null>(null);
const [deleting, setDeleting] = useState(false);
const [deleteError, setDeleteError] = useState<string | null>(null);
const [createOpen, setCreateOpen] = useState(false);
const [toast, setToast] = useState<ToastMessage | null>(null);
// Force scroll-to-top on mount — iOS Safari preserves document scroll
// across SPA route changes, so tab-switching leaves the new page
// halfway down. Route transitions remount the table, so [] deps fire.
useEffect(() => {
window.scrollTo({ top: 0, left: 0, behavior: "instant" });
}, []);
const [rows, setRows] = useState<User[]>(initial);
const [hasMore, setHasMore] = useState<boolean>(initialHasMore);
const [total, setTotal] = useState<number>(initialTotal);
const sentinelRef = useRef<HTMLDivElement | null>(null);
const [optimistic, applyOptimistic] = useOptimistic<User[], OptimisticPatch>(
rows,
(state, patch) =>
state.map((row) =>
row.f_username === patch.f_username ? { ...row, [patch.field]: patch.value } : row,
),
);
function saveCell(
f_username: string,
field: OptimisticPatch["field"],
value: string,
) {
return new Promise<{ ok: boolean; error?: string }>((resolve) => {
startTransition(async () => {
applyOptimistic({ f_username, field, value });
const row = rows.find((r) => r.f_username === f_username);
if (!row) return resolve({ ok: false, error: "row not found" });
const next = {
f_username: row.f_username,
f_password: row.f_password,
t_username: row.t_username,
t_password: row.t_password,
[field]: value,
};
const result = await updateUser(next);
if (result.ok) {
setRows((prev) =>
prev.map((r) =>
r.f_username === f_username ? { ...r, [field]: value } : r,
),
);
resolve({ ok: true });
} else {
resolve({ ok: false, error: result.error });
}
});
});
}
// Force-evict the cache and re-fetch page 1. Used by the create-success
// path so a freshly added row appears in its sorted position.
async function refresh() {
const page = await refreshUsers({
prefix: prefixPattern,
sort: sortKey,
dir: sortDir,
});
setRows(page.rows);
setHasMore(page.hasMore);
setTotal(page.total);
}
async function changeSort(nextKey: SortKey) {
let nextDir: SortDir;
if (nextKey === sortKey) {
nextDir = sortDir === "asc" ? "desc" : "asc";
} else {
nextDir = "desc";
}
setSortKey(nextKey);
setSortDir(nextDir);
setLoadingMore(true);
try {
const page = await loadMoreUsers({
offset: 0,
prefix: prefixPattern,
sort: nextKey,
dir: nextDir,
});
setRows(page.rows);
setHasMore(page.hasMore);
setTotal(page.total);
} finally {
setLoadingMore(false);
}
}
useEffect(() => {
if (!hasMore || loadingMore) return;
const sentinel = sentinelRef.current;
if (!sentinel) return;
const observer = new IntersectionObserver(
(entries) => {
if (!entries.some((e) => e.isIntersecting)) return;
setLoadingMore(true);
loadMoreUsers({
offset: rows.length,
prefix: prefixPattern,
sort: sortKey,
dir: sortDir,
})
.then((page) => {
setRows((prev) => [...prev, ...page.rows]);
setHasMore(page.hasMore);
setTotal(page.total);
})
.catch((err) => console.error("loadMoreUsers failed:", err))
.finally(() => setLoadingMore(false));
},
{ rootMargin: "300px 0px" },
);
observer.observe(sentinel);
return () => observer.disconnect();
}, [hasMore, loadingMore, rows.length, prefixPattern, sortKey, sortDir]);
async function confirmDelete() {
if (!deleteTarget) return;
setDeleting(true);
setDeleteError(null);
const result = await deleteUser(deleteTarget);
setDeleting(false);
if (result.ok) {
const deleted = deleteTarget;
setRows((prev) => prev.filter((r) => r.f_username !== deleted));
setTotal((t) => Math.max(0, t - 1));
setDeleteTarget(null);
setToast({ type: "success", message: `User ${deleted} deleted` });
} else {
setDeleteError(result.error);
}
}
function HeaderTh({ k, label }: { k: SortKey; label: string }) {
const active = sortKey === k;
return (
<button
type="button"
onClick={() => changeSort(k)}
className={`inline-flex items-center gap-1 text-[11px] font-medium uppercase tracking-wider transition-colors ${
active ? "text-zinc-900" : "text-zinc-500 hover:text-zinc-900"
}`}
>
{label}
<span aria-hidden="true">{active ? (sortDir === "asc" ? "↑" : "↓") : "↕"}</span>
</button>
);
}
if (rows.length === 0) {
return (
<div>
<PageHead
total={total}
loaded={0}
onAdd={() => setCreateOpen(true)}
/>
<div className="mt-6 rounded-2xl bg-white px-8 py-16 text-center ring-1 ring-zinc-200/60">
<p className="text-sm text-zinc-500">
No users yet. Click <span className="font-medium text-zinc-700">Add</span> to create one manually.
</p>
</div>
<CreateUserDialog
open={createOpen}
onClose={() => setCreateOpen(false)}
onSuccess={async (name) => {
setToast({ type: "success", message: `User ${name} created` });
await refresh();
}}
/>
<Toast toast={toast} onDismiss={() => setToast(null)} />
</div>
);
}
return (
<div>
<PageHead
total={total}
loaded={optimistic.length}
onAdd={() => setCreateOpen(true)}
/>
<div className="mt-6 hidden overflow-hidden rounded-2xl bg-white ring-1 ring-zinc-200/60 sm:block">
<table className="w-full table-fixed border-collapse">
<thead>
<tr className="bg-zinc-50/60">
<th className="w-[18%] px-5 py-3 text-left">
<HeaderTh k="f_username" label="From username" />
</th>
<th className="w-[18%] px-5 py-3 text-left text-[11px] font-medium uppercase tracking-wider text-zinc-500">
From password
</th>
<th className="w-[18%] px-5 py-3 text-left text-[11px] font-medium uppercase tracking-wider text-zinc-500">
To username
</th>
<th className="w-[18%] px-5 py-3 text-left text-[11px] font-medium uppercase tracking-wider text-zinc-500">
To password
</th>
<th className="px-5 py-3 text-left">
<HeaderTh k="last_update_time" label="Last update" />
</th>
<th className="w-12 px-3 py-3" aria-hidden="true" />
</tr>
</thead>
<tbody className="divide-y divide-zinc-100">
{optimistic.map((row) => {
const k = (f: string) => `${row.f_username}::${f}`;
return (
<tr key={row.f_username} className="transition-colors hover:bg-zinc-50/60">
<td className="px-5 py-3 align-middle font-mono text-[13px] font-semibold text-zinc-900">
{row.f_username}
</td>
<td className="px-5 py-3 align-middle">
<EditableCell
value={row.f_password}
label={`from password for ${row.f_username}`}
isCurrentlyEditing={editingKey === k("f_password")}
onEditStart={() => setEditingKey(k("f_password"))}
onEditEnd={() => setEditingKey(null)}
onSave={(v) => saveCell(row.f_username, "f_password", v)}
/>
</td>
<td className="px-5 py-3 align-middle">
<EditableCell
value={row.t_username}
label={`to username for ${row.f_username}`}
isCurrentlyEditing={editingKey === k("t_username")}
onEditStart={() => setEditingKey(k("t_username"))}
onEditEnd={() => setEditingKey(null)}
onSave={(v) => saveCell(row.f_username, "t_username", v)}
/>
</td>
<td className="px-5 py-3 align-middle">
<EditableCell
value={row.t_password}
label={`to password for ${row.f_username}`}
isCurrentlyEditing={editingKey === k("t_password")}
onEditStart={() => setEditingKey(k("t_password"))}
onEditEnd={() => setEditingKey(null)}
onSave={(v) => saveCell(row.f_username, "t_password", v)}
/>
</td>
<td className="px-5 py-3 align-middle text-xs text-zinc-500">
{formatTime(row.last_update_time)}
</td>
<td className="px-3 py-3 text-right align-middle">
<DeleteButton
label={row.f_username}
onClick={() => {
setDeleteError(null);
setDeleteTarget(row.f_username);
}}
/>
</td>
</tr>
);
})}
</tbody>
</table>
</div>
<div className="mt-6 space-y-3 sm:hidden">
{optimistic.map((row) => {
const k = (f: string) => `${row.f_username}::${f}`;
return (
<div key={row.f_username} className="rounded-2xl bg-white p-5 ring-1 ring-zinc-200/60">
<div className="flex items-center justify-between gap-2">
<span className="font-mono text-base font-semibold text-zinc-900">
{row.f_username}
</span>
<div className="flex items-center gap-2">
<span className="text-[11px] text-zinc-500">
{formatTime(row.last_update_time)}
</span>
<DeleteButton
label={row.f_username}
onClick={() => {
setDeleteError(null);
setDeleteTarget(row.f_username);
}}
/>
</div>
</div>
<dl className="mt-4 space-y-3 border-t border-zinc-100 pt-4">
<MobileRow label="From PW">
<EditableCell
value={row.f_password}
label={`from password for ${row.f_username}`}
isCurrentlyEditing={editingKey === k("f_password")}
onEditStart={() => setEditingKey(k("f_password"))}
onEditEnd={() => setEditingKey(null)}
onSave={(v) => saveCell(row.f_username, "f_password", v)}
/>
</MobileRow>
<MobileRow label="To User">
<EditableCell
value={row.t_username}
label={`to username for ${row.f_username}`}
isCurrentlyEditing={editingKey === k("t_username")}
onEditStart={() => setEditingKey(k("t_username"))}
onEditEnd={() => setEditingKey(null)}
onSave={(v) => saveCell(row.f_username, "t_username", v)}
/>
</MobileRow>
<MobileRow label="To PW">
<EditableCell
value={row.t_password}
label={`to password for ${row.f_username}`}
isCurrentlyEditing={editingKey === k("t_password")}
onEditStart={() => setEditingKey(k("t_password"))}
onEditEnd={() => setEditingKey(null)}
onSave={(v) => saveCell(row.f_username, "t_password", v)}
/>
</MobileRow>
</dl>
</div>
);
})}
</div>
<div ref={sentinelRef} className="h-10" aria-hidden="true" />
{loadingMore && (
<p className="mt-4 text-center text-[11px] font-medium uppercase tracking-wider text-zinc-400">
Loading more
</p>
)}
{!hasMore && rows.length > 0 && (
<p className="mt-6 text-center text-[11px] text-zinc-400">
End of list {rows.length} users loaded
</p>
)}
<CreateUserDialog
open={createOpen}
onClose={() => setCreateOpen(false)}
onSuccess={async (name) => {
setToast({ type: "success", message: `User ${name} created` });
await refresh();
}}
/>
<Toast toast={toast} onDismiss={() => setToast(null)} />
<ConfirmDialog
open={!!deleteTarget}
onCancel={() => {
if (!deleting) setDeleteTarget(null);
}}
onConfirm={confirmDelete}
title={`Delete ${deleteTarget ?? ""}?`}
message={
<>
<p>
Permanently remove the user pairing for{" "}
<code className="rounded bg-zinc-100 px-1.5 py-0.5 font-mono text-xs text-zinc-700">
{deleteTarget}
</code>{" "}
from the users table. This action cannot be undone and only
removes the pairing the underlying account row stays.
</p>
{deleteError && (
<p className="mt-3 font-mono text-[11px] text-red-600" role="alert">
{deleteError}
</p>
)}
</>
}
confirmLabel="Delete"
destructive
pending={deleting}
/>
</div>
);
}
function MobileRow({ label, children }: { label: string; children: React.ReactNode }) {
return (
<div className="grid grid-cols-[max-content_1fr] items-baseline gap-x-4">
<dt className="text-[11px] font-medium uppercase tracking-wider text-zinc-500">{label}</dt>
<dd className="min-w-0">{children}</dd>
</div>
);
}
function PageHead({
total,
loaded,
onAdd,
}: {
total: number;
loaded: number;
onAdd: () => void;
}) {
const showLoaded = loaded > 0 && loaded < total;
return (
<div>
<p className="text-[11px] font-medium uppercase tracking-wider text-zinc-500">Table</p>
<div className="mt-1 flex flex-wrap items-center justify-between gap-x-3 gap-y-2">
<h1 className="text-2xl font-semibold tracking-tight text-zinc-900 sm:text-3xl">
Users
<span className="ml-2 align-middle text-base font-medium text-zinc-400">
{total}
</span>
</h1>
<button
type="button"
onClick={onAdd}
aria-label="Add user"
className="inline-flex items-center gap-1.5 rounded-full bg-zinc-900 px-3 py-1.5 text-xs font-medium text-white shadow-sm transition-colors hover:bg-zinc-700"
>
<span aria-hidden="true">+</span>
Add
</button>
</div>
{showLoaded && (
<p className="mt-1 text-[11px] text-zinc-400">
Showing {loaded} of {total}
</p>
)}
</div>
);
}