37 lines
1.0 KiB
TypeScript
37 lines
1.0 KiB
TypeScript
"use client";
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import { useState } from "react";
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import { useRouter } from "next/navigation";
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export function EnrollButton({ courseSlug }: { courseSlug: string }) {
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const router = useRouter();
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const [loading, setLoading] = useState(false);
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const [error, setError] = useState<string | null>(null);
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async function onClick() {
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setLoading(true);
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setError(null);
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const res = await fetch("/api/enroll", {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify({ courseSlug }),
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});
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const data = (await res.json().catch(() => ({}))) as { error?: string };
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setLoading(false);
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if (!res.ok) {
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setError(data.error ?? "Einschreibung fehlgeschlagen.");
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return;
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}
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router.refresh();
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}
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return (
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<div>
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<button type="button" className="btn btn-primary" disabled={loading} onClick={onClick}>
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{loading ? "…" : "In diesen Kurs einschreiben"}
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</button>
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{error ? <p className="error">{error}</p> : null}
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</div>
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);
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}
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