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import { useState } from "react";
import { Form, Link, redirect, useActionData } from "react-router";
import type { ActionFunctionArgs } from "react-router";
import { createBandList, getIpAddress, type ListEntryInput } from "~/lib/db.server";
export async function action({ request }: ActionFunctionArgs) {
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 };
const id = crypto.randomUUID();
try {
createBandList({ 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/${id}`);
}
function toSlug(s: string) {
return s.trim().toLowerCase().replace(/\s+/g, "-").replace(/[^\w-ヿ一-鿿--]/g, "").replace(/^-+|-+$/g, "");
}
type EntryRow = { key: string; band_name: string; note: string };
export default function ListNew() {
const actionData = useActionData<typeof action>();
const errors = actionData?.errors ?? {};
const [title, setTitle] = useState("");
const [slug, setSlug] = useState("");
const [slugManual, setSlugManual] = useState(false);
const [description, setDescription] = useState("");
const [entries, setEntries] = useState<EntryRow[]>([]);
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" className="back">←</Link>
<h1>New List</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); if (!slugManual) setSlug(toSlug(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) => { setSlugManual(true); 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: 初回作成" />
{errors.message && <p className="error">{errors.message}</p>}
</div>
<div className="actions">
<button type="submit">作成</button>
<Link to="/lists" className="btn">キャンセル</Link>
</div>
</Form>
</main>
);
}
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