Initial commit: Kalendartool (Next.js, Prisma, Docker)
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This commit is contained in:
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288
components/admin/UserManagement.tsx
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288
components/admin/UserManagement.tsx
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'use client';
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/**
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* Benutzerverwaltung (Client): Liste aller Benutzer mit Edit-Modal.
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* Im Modal laesst sich die Rolle aendern (PATCH /api/users/[id]);
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* Fehler werden inline angezeigt. Der eigene Account ist geschuetzt
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* (Server lehnt ab).
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*/
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import { useCallback, useEffect, useState } from 'react';
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import { Button, Card, ErrorMessage, Badge } from '@/components/ui/ui';
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import { ModalShell } from '@/components/ui/ModalShell';
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interface ManagedUser {
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id: string;
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email: string;
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username: string | null;
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role: 'ADMIN' | 'USER';
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createdAt: string;
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memberships: { calendar: { id: string; title: string; isActive: boolean } }[];
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ownedCalendars: { id: string; title: string; isActive: boolean }[];
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}
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export function UserManagement({ currentUserId }: { currentUserId: string }) {
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const [users, setUsers] = useState<ManagedUser[]>([]);
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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 [pendingId, setPendingId] = useState<string | null>(null);
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/** Aktuell im Edit-Modal geoeffneter Benutzer (null = geschlossen). */
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const [editingUser, setEditingUser] = useState<ManagedUser | null>(null);
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const loadUsers = 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/users', { cache: 'no-store' });
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if (!response.ok) {
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const data = (await response.json().catch(() => null)) as
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| { error?: string }
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| null;
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throw new Error(data?.error ?? 'Benutzer konnten nicht geladen werden.');
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}
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const data = (await response.json()) as { users: ManagedUser[] };
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setUsers(data.users);
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} catch (loadError) {
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setError(
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loadError instanceof Error
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? loadError.message
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: 'Benutzer konnten nicht geladen werden.',
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);
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} finally {
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setIsLoading(false);
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}
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}, []);
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useEffect(() => {
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void loadUsers();
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}, [loadUsers]);
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/**
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* Aktualisiert die Rolle eines Benutzers und schliesst bei Erfolg
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* das Modal. Fehler werden im Modal (falls offen) bzw. inline
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* angezeigt.
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*/
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async function changeRole(userId: string, nextRole: 'ADMIN' | 'USER') {
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setPendingId(userId);
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setError(null);
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try {
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const response = await fetch(`/api/users/${userId}`, {
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method: 'PATCH',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ role: nextRole }),
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});
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if (!response.ok) {
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const data = (await response.json().catch(() => null)) as
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| { error?: string }
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| null;
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throw new Error(data?.error ?? 'Rolle konnte nicht geaendert werden.');
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}
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const data = (await response.json()) as { user: ManagedUser };
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setUsers((previous) =>
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previous.map((user) =>
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user.id === data.user.id ? { ...user, role: data.user.role } : user,
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),
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);
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setEditingUser((previous) =>
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previous && previous.id === data.user.id
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? { ...previous, role: data.user.role }
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: previous,
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);
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} catch (changeError) {
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setError(
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changeError instanceof Error
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? changeError.message
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: 'Rolle konnte nicht geaendert werden.',
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);
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} finally {
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setPendingId(null);
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}
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}
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if (isLoading) {
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return (
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<Card>
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<p className="text-sm text-slate-600 dark:text-slate-400">
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Benutzer werden geladen...
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</p>
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</Card>
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);
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}
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return (
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<div className="space-y-4">
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{error && <ErrorMessage message={error} />}
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{users.length === 0 ? (
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<Card>
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<p className="text-sm text-slate-600 dark:text-slate-400">
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Noch keine Benutzer registriert.
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</p>
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</Card>
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) : (
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<ul className="space-y-3">
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{users.map((user) => {
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const isSelf = user.id === currentUserId;
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return (
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<li key={user.id}>
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<Card>
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<div className="flex flex-wrap items-center justify-between gap-3">
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<div className="min-w-0">
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<p className="truncate font-medium text-slate-900 dark:text-slate-100">
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{user.username ?? user.email}
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{user.username && (
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<span className="ml-2 text-xs font-normal text-slate-500 dark:text-slate-400">
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{user.email}
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</span>
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)}
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{isSelf && (
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<span className="ml-2">
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<Badge variant="accent">Du</Badge>
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</span>
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)}
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</p>
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<p className="mt-0.5 text-xs text-slate-500 dark:text-slate-400">
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Registriert am{' '}
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{new Date(user.createdAt).toLocaleDateString('de-DE')}
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{user.ownedCalendars.length > 0 &&
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` · ${user.ownedCalendars.length} Kalender`}
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{user.memberships.length > 0 &&
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` · Mitglied in ${user.memberships.length} Kalender(n)`}
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</p>
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</div>
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<div className="flex items-center gap-2">
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<button
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type="button"
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onClick={() => {
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setError(null);
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setEditingUser(user);
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}}
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aria-label={`Benutzer ${user.email} bearbeiten`}
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title="Bearbeiten"
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className="rounded-md p-2 text-slate-500 transition-colors hover:bg-slate-100 hover:text-slate-800 dark:text-slate-400 dark:hover:bg-slate-800 dark:hover:text-slate-100"
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>
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{/* Stift-Icon (2D, Outline-Stil). */}
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<svg
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width={16}
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height={16}
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viewBox="0 0 24 24"
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fill="none"
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stroke="currentColor"
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strokeWidth={1.8}
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strokeLinecap="round"
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strokeLinejoin="round"
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aria-hidden="true"
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>
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<path d="M17 3a2.8 2.8 0 0 1 4 4L7.5 20.5 2 22l1.5-5.5z" />
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</svg>
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</button>
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</div>
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</div>
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</Card>
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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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{editingUser && (
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<EditUserModal
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user={editingUser}
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isSelf={editingUser.id === currentUserId}
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isPending={pendingId === editingUser.id}
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error={error}
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onClose={() => {
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setEditingUser(null);
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setError(null);
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}}
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onSave={(nextRole) => changeRole(editingUser.id, nextRole)}
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/>
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)}
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</div>
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);
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}
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/**
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* Modal zum Bearbeiten eines Benutzers (derzeit: Rolle).
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* Schliessen via Abbrechen, X-Button, ESC oder Klick auf den Hintergrund.
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*/
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function EditUserModal({
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user,
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isSelf,
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isPending,
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error,
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onClose,
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onSave,
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}: {
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user: ManagedUser;
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isSelf: boolean;
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isPending: boolean;
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error: string | null;
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onClose: () => void;
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onSave: (nextRole: 'ADMIN' | 'USER') => void;
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}) {
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const [selectedRole, setSelectedRole] = useState<'ADMIN' | 'USER'>(user.role);
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return (
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<ModalShell
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title="Benutzer bearbeiten"
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ariaLabel={`Benutzer ${user.email} bearbeiten`}
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isPending={isPending}
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onClose={onClose}
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>
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<div className="mb-4">
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<p className="text-sm font-medium text-slate-900 dark:text-slate-100">
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{user.username ?? user.email}
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{user.username && (
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<span className="ml-2 text-xs font-normal text-slate-500 dark:text-slate-400">
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{user.email}
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</span>
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)}
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</p>
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<p className="mt-0.5 text-xs text-slate-500 dark:text-slate-400">
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Registriert am{' '}
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{new Date(user.createdAt).toLocaleDateString('de-DE')}
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</p>
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</div>
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<div className="mb-4">
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<label
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htmlFor="edit-user-role"
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className="mb-1 block text-sm font-medium text-slate-700 dark:text-slate-300"
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>
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Rolle
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</label>
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<select
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id="edit-user-role"
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value={selectedRole}
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disabled={isSelf || isPending}
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onChange={(event) =>
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setSelectedRole(event.target.value as 'ADMIN' | 'USER')
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}
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className="w-full rounded-md border border-slate-300 bg-white px-3 py-2 text-sm text-slate-900 focus:border-slate-500 focus:outline-none focus:ring-1 focus:ring-slate-500 disabled:cursor-not-allowed disabled:opacity-50 dark:border-slate-600 dark:bg-slate-800 dark:text-slate-100"
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>
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<option value="USER">USER</option>
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<option value="ADMIN">ADMIN</option>
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</select>
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{isSelf && (
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<p className="mt-1 text-xs text-slate-500 dark:text-slate-400">
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Die eigene Rolle kann nicht geaendert werden.
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</p>
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)}
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</div>
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{error && <ErrorMessage message={error} />}
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<div className="mt-4 flex justify-end gap-2">
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<Button type="button" variant="secondary" disabled={isPending} onClick={onClose}>
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Abbrechen
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</Button>
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<Button
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type="button"
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disabled={isSelf || isPending || selectedRole === user.role}
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onClick={() => onSave(selectedRole)}
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>
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{isPending ? 'Speichern …' : 'Speichern'}
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</Button>
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</div>
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</ModalShell>
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);
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}
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Block a user