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import { useState } from "react";
import { data, Form, Link, redirect, useActionData, useLoaderData } from "react-router";
import type { ActionFunctionArgs, LoaderFunctionArgs } from "react-router";
import {
getBandListById,
getListEntries,
getIpAddress,
updateBandList,
type ListEntryInput,
} from "~/lib/db.server";
export async function loader({ params }: LoaderFunctionArgs) {
const list = getBandListById(params.uuid!);
if (!list) throw data("Not found", { status: 404 });
const entries = getListEntries(list.id);
return { list, entries };
}
export async function action({ params, request }: ActionFunctionArgs) {
const list = getBandListById(params.uuid!);
if (!list) throw data("Not found", { status: 404 });
const fd = await request.formData();
const title = (fd.get("title") as string).trim();
const slug = (fd.get("slug") as string).trim();
const description = (fd.get("description") as string).trim();
const message = (fd.get("message") as string).trim();
const entries: ListEntryInput[] = JSON.parse((fd.get("entries") as string) || "[]");
const errors: Record<string, string> = {};
if (!title) errors.title = "必須です";
if (!slug) errors.slug = "必須です";
if (!message) errors.message = "必須です";
if (Object.keys(errors).length > 0) return { errors };
try {
updateBandList(list.id, { slug, title, description, entries, message, ip_address: getIpAddress(request) });
} catch (e) {
if (e instanceof Error && e.message.includes("UNIQUE constraint failed: lists.slug")) {
return { errors: { slug: "このslugは既に使用されています" } };
}
throw e;
}
return redirect(`/lists/of/${list.id}`);
}
type EntryRow = { key: string; band_name: string; note: string };
export default function ListEdit() {
const { list, entries: initEntries } = useLoaderData<typeof loader>();
const actionData = useActionData<typeof action>();
const errors = actionData?.errors ?? {};
const [title, setTitle] = useState(list.title);
const [slug, setSlug] = useState(list.slug);
const [description, setDescription] = useState(list.description);
const [entries, setEntries] = useState<EntryRow[]>(
initEntries.map((e) => ({ key: crypto.randomUUID(), band_name: e.band_name, note: e.note }))
);
function addEntry() {
setEntries((prev) => [...prev, { key: crypto.randomUUID(), band_name: "", note: "" }]);
}
function removeEntry(key: string) {
setEntries((prev) => prev.filter((e) => e.key !== key));
}
function updateEntry(key: string, field: "band_name" | "note", value: string) {
setEntries((prev) => prev.map((e) => e.key === key ? { ...e, [field]: value } : e));
}
return (
<main>
<div className="page-header">
<Link to={`/lists/of/${list.id}`} className="back">←</Link>
<h1>{list.title} — 編集</h1>
</div>
<Form method="post">
<input type="hidden" name="entries" value={JSON.stringify(entries.map(({ band_name, note }) => ({ band_name, note })))} />
<div>
<label>タイトル <span className="req">*</span></label>
<input name="title" value={title} onChange={(e) => setTitle(e.target.value)} />
{errors.title && <p className="error">{errors.title}</p>}
</div>
<div>
<label>Slug <span className="req">*</span></label>
<input name="slug" value={slug} onChange={(e) => setSlug(e.target.value)} className="mono" />
{errors.slug && <p className="error">{errors.slug}</p>}
</div>
<div>
<label>説明</label>
<input name="description" value={description} onChange={(e) => setDescription(e.target.value)} />
</div>
<div>
<label>エントリ</label>
<div>
{entries.map((entry) => (
<div key={entry.key} className="entry-row">
<input
className="band-input"
value={entry.band_name}
onChange={(e) => updateEntry(entry.key, "band_name", e.target.value)}
placeholder="バンド名"
/>
<input
className="note-input"
value={entry.note}
onChange={(e) => updateEntry(entry.key, "note", e.target.value)}
placeholder="メモ"
/>
<button type="button" className="btn-icon" onClick={() => removeEntry(entry.key)}>×</button>
</div>
))}
</div>
<button type="button" className="btn-text" onClick={addEntry}>+ エントリを追加</button>
</div>
<div>
<label>更新メッセージ <span className="req">*</span></label>
<input name="message" placeholder="例: エントリ追加" />
{errors.message && <p className="error">{errors.message}</p>}
</div>
<div className="actions">
<button type="submit">保存</button>
<Link to={`/lists/of/${list.id}`} className="btn">キャンセル</Link>
</div>
</Form>
</main>
);
}
|
