Initial commit: Kalendartool (Next.js, Prisma, Docker)
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This commit is contained in:
159
components/admin/InviteSection.tsx
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159
components/admin/InviteSection.tsx
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'use client';
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/**
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* Einladungs-Sektion fuer Modals: laedt die Einladungen eines
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* Kalenders per GET /api/calendars/[id]/invites und ermoeglicht das
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* Erstellen neuer Invite-Links (POST, gleicher Endpoint).
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*
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* Der Klartext-Link wird nur einmal direkt nach dem Erstellen
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* angezeigt (in der DB liegt nur der Hash - plan.md Abschnitt 9).
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* Wird als eigenstaendige Komponente gefuehrt, damit sie sowohl im
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* Bearbeiten-Modal als auch kuenftig anderswo verwendet werden kann.
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*/
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import { useCallback, useEffect, useState } from 'react';
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import { Button, ErrorMessage, Badge } from '@/components/ui/ui';
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/** Einladung, wie der GET-Endpoint sie liefert (Datumswerte als ISO). */
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interface InviteApiRow {
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id: string;
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expiresAt: string | null;
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usedAt: string | null;
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createdAt: string;
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}
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export function InviteSection({ calendarId }: { calendarId: string }) {
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const [invites, setInvites] = useState<InviteApiRow[]>([]);
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const [isLoading, setIsLoading] = useState(true);
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const [error, setError] = useState<string | null>(null);
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const [isCreating, setIsCreating] = useState(false);
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const [lastInviteUrl, setLastInviteUrl] = useState<string | null>(null);
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/** Laedt die Einladungen des Kalenders. */
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const loadInvites = useCallback(async () => {
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setIsLoading(true);
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setError(null);
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try {
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const response = await fetch(`/api/calendars/${calendarId}/invites`);
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if (!response.ok) {
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const data = (await response.json().catch(() => ({}))) as { error?: string };
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setError(data.error ?? 'Einladungen konnten nicht geladen werden.');
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return;
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}
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const data = (await response.json()) as { invites: InviteApiRow[] };
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setInvites(data.invites);
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} catch {
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setError('Netzwerkfehler. Bitte erneut versuchen.');
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} finally {
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setIsLoading(false);
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}
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}, [calendarId]);
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useEffect(() => {
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void loadInvites();
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}, [loadInvites]);
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/** Erstellt einen neuen Invite-Link und zeigt ihn einmalig an. */
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async function createInvite() {
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setIsCreating(true);
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setError(null);
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try {
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const response = await fetch(`/api/calendars/${calendarId}/invites`, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ calendarId }),
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});
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if (!response.ok) {
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const data = (await response.json().catch(() => ({}))) as { error?: string };
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setError(data.error ?? 'Erstellen fehlgeschlagen.');
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return;
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}
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const data = (await response.json()) as { inviteUrl: string };
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setLastInviteUrl(data.inviteUrl);
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await loadInvites();
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} catch {
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setError('Netzwerkfehler. Bitte erneut versuchen.');
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} finally {
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setIsCreating(false);
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}
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}
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const now = new Date();
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const active = invites.filter(
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(invite) =>
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invite.usedAt === null &&
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(invite.expiresAt === null || new Date(invite.expiresAt) > now),
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).length;
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const expired = invites.filter(
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(invite) =>
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invite.usedAt === null &&
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invite.expiresAt !== null &&
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new Date(invite.expiresAt) <= now,
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).length;
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const used = invites.filter((invite) => invite.usedAt !== null).length;
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return (
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<section aria-label="Einladungen">
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<div className="mb-3 flex items-center justify-between">
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<h3 className="text-base font-semibold">Einladungen</h3>
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<Button
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type="button"
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variant="secondary"
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disabled={isCreating}
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onClick={createInvite}
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>
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{isCreating ? 'Erstelle …' : '+ Benutzer einladen'}
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</Button>
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</div>
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<ErrorMessage message={error} />
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{lastInviteUrl && (
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<div className="mb-3 rounded-md bg-slate-100 px-3 py-2 text-sm text-slate-800 dark:bg-slate-800 dark:text-slate-200">
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<p className="mb-1 font-medium">Neuer Invite-Link (einmalig anzeigen):</p>
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<code className="break-all text-xs">{lastInviteUrl}</code>
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</div>
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)}
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{!isLoading && (
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<div className="mb-3 flex gap-3">
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<Badge variant="success">Aktiv: {active}</Badge>
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<Badge variant="warning">Abgelaufen: {expired}</Badge>
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<Badge variant="neutral">Verwendet: {used}</Badge>
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</div>
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)}
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{isLoading ? (
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<p className="text-sm text-slate-500">Einladungen werden geladen …</p>
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) : invites.length === 0 ? (
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<p className="text-sm text-slate-500 dark:text-slate-400">
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Noch keine Einladungen erstellt.
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</p>
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) : (
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<ul className="space-y-1 text-sm text-slate-600 dark:text-slate-300">
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{invites.slice(0, 10).map((invite) => {
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const isUsed = invite.usedAt !== null;
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const isExpired =
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!isUsed && invite.expiresAt !== null && new Date(invite.expiresAt) <= now;
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return (
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<li
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key={invite.id}
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className="flex justify-between rounded bg-slate-50 px-3 py-1.5 dark:bg-slate-800"
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>
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<span>
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Erstellt {new Date(invite.createdAt).toLocaleDateString('de-DE')}
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</span>
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<span>
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{isUsed
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? 'Verwendet'
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: isExpired
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? 'Abgelaufen'
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: 'Aktiv'}
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</span>
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</li>
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);
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})}
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</ul>
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)}
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</section>
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);
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}
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