feat(D): Phase D — Undo/Restore komplett implementiert
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- D-GEN: RestoreRegistry mit RestoreConfig (model_class, restore_permission, excluded_fields, special_handler) - D-HOOK: history_hooks.py mit register_history_hooks() für after_create/update/delete - D-CORE: Company create+update record_history in companies.py - D-PLUG: Task/Calendar/DMS record_history in services/routes - D-SOFT: Alle registrierten Entitäten haben deleted_at + un-delete via Registry - D-MAIL: Mail special_handler (IMAP Trash-Move, Folder-Verify) + record_history in delete/move - D-TRASH: GET /entity-history/trash (filterbar, paginiert) + Frontend Trash.tsx - D-TOAST: UndoToast.tsx (5s Auto-Dismiss, useUndoToast Hook) - D-HIST-UI: HistoryPanel.tsx (Timeline, Diff-View, Restore-Button) - D-BULK: POST /entity-history/bulk-restore mit partial_success Semantik - D-RET: POST /entity-history/retention/archive (GDPR hard-delete >90 Tage) - D-TEST: 26 Tests in test_restore_registry.py, alle grün - D-DOC: test-strategy.md + security_kernel.md aktualisiert Backend: 10 Dateien, Frontend: 7 Dateien, Tests: 1 Datei, Docs: 3 Dateien 26/26 Tests passed, TSC 0 errors, App import 492 routes
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import React, { useState } from 'react';
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import { useTranslation } from 'react-i18next';
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import { History, RotateCcw, ChevronDown, ChevronRight, User } from 'lucide-react';
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import { useEntityHistory, useRestoreFromHistory } from '@/api/entityHistory';
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import { Button } from '@/components/ui/Button';
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import { Badge } from '@/components/ui/Badge';
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import { Skeleton } from '@/components/ui/Skeleton';
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import { useToast } from '@/components/ui/Toast';
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import { formatDistanceToNow } from 'date-fns';
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import { de, enUS } from 'date-fns/locale';
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interface HistoryPanelProps {
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entityType: string;
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entityId: string;
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limit?: number;
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}
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const actionConfig = {
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create: { variant: 'success' as const, labelKey: 'history.actionCreate' },
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update: { variant: 'primary' as const, labelKey: 'history.actionUpdate' },
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delete: { variant: 'danger' as const, labelKey: 'history.actionDelete' },
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};
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export function HistoryPanel({ entityType, entityId, limit = 50 }: HistoryPanelProps) {
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const { t, i18n } = useTranslation();
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const toast = useToast();
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const { data: history, isLoading } = useEntityHistory(entityType, entityId, limit);
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const restoreMutation = useRestoreFromHistory();
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const [expandedId, setExpandedId] = useState<string | null>(null);
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const dateLocale = i18n.language === 'de' ? de : enUS;
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const handleRestore = async (historyId: string) => {
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try {
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await restoreMutation.mutateAsync(historyId);
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toast.success(t('history.restored', 'Version wiederhergestellt'));
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} catch {
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toast.error(t('history.restoreError', 'Wiederherstellung fehlgeschlagen'));
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}
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};
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if (isLoading) {
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return (
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<div className="space-y-3" data-testid="history-panel">
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<Skeleton className="h-8 w-40" />
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<Skeleton className="h-16 w-full" />
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<Skeleton className="h-16 w-full" />
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</div>
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);
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}
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const entries = history?.items ?? [];
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if (entries.length === 0) {
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return (
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<div className="text-center py-8 text-secondary-400" data-testid="history-panel">
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<History className="w-8 h-8 mx-auto mb-2 opacity-50" aria-hidden="true" />
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<p className="text-sm">{t('history.empty', 'Keine Änderungshistorie vorhanden')}</p>
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</div>
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);
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}
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return (
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<div className="space-y-4" data-testid="history-panel">
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<h3 className="text-lg font-semibold text-secondary-900 flex items-center gap-2">
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<History className="w-5 h-5" aria-hidden="true" />
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{t('history.title', 'Änderungshistorie')}
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</h3>
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<ol className="relative border-l border-secondary-200 ml-3 space-y-4">
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{entries.map((entry) => {
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const config = actionConfig[entry.action] || actionConfig.update;
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const isExpanded = expandedId === entry.id;
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const changes = entry.changes || {};
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const changeKeys = Object.keys(changes);
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return (
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<li key={entry.id} className="ml-4">
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<div className="border border-secondary-200 rounded-lg overflow-hidden bg-white">
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<button
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onClick={() => setExpandedId(isExpanded ? null : entry.id)}
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className="w-full flex items-center justify-between p-3 hover:bg-secondary-50 transition-colors text-left"
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aria-expanded={isExpanded}
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aria-controls={`history-detail-${entry.id}`}
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>
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<div className="flex items-center gap-3">
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{isExpanded ? (
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<ChevronDown className="w-4 h-4 text-secondary-400" aria-hidden="true" />
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) : (
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<ChevronRight className="w-4 h-4 text-secondary-400" aria-hidden="true" />
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)}
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<Badge variant={config.variant}>{t(config.labelKey)}</Badge>
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<span className="text-sm text-secondary-500">
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{formatDistanceToNow(new Date(entry.created_at), { addSuffix: true, locale: dateLocale })}
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</span>
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</div>
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<div className="flex items-center gap-3">
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{entry.user_id && (
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<span className="inline-flex items-center gap-1 text-xs text-secondary-400">
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<User className="w-3.5 h-3.5" aria-hidden="true" />
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{entry.user_id.slice(0, 8)}
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</span>
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)}
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{changeKeys.length > 0 && (
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<span className="text-xs text-secondary-400">
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{changeKeys.length} {t('history.fieldsChanged', 'Felder geändert')}
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</span>
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)}
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</div>
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</button>
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{isExpanded && (
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<div id={`history-detail-${entry.id}`} className="px-4 pb-3 border-t border-secondary-100">
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{changeKeys.length > 0 && (
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<div className="mt-3 space-y-1">
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<p className="text-xs font-medium text-secondary-500 mb-2">{t('history.changes', 'Änderungen')}:</p>
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{changeKeys.map((key) => (
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<div key={key} className="flex items-start gap-2 text-sm">
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<span className="font-mono text-secondary-600 min-w-[120px]">{key}:</span>
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<span className="text-danger-600 line-through">
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{String(changes[key].old ?? '—')}
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</span>
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<span className="text-secondary-400">→</span>
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<span className="text-success-600">
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{String(changes[key].new ?? '—')}
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</span>
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</div>
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))}
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</div>
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)}
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<div className="mt-3 flex justify-end">
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<Button
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variant="ghost"
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size="sm"
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onClick={() => handleRestore(entry.id)}
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isLoading={restoreMutation.isPending}
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icon={<RotateCcw className="w-3.5 h-3.5" />}
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>
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{t('history.restore', 'Diese Version wiederherstellen')}
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</Button>
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</div>
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</div>
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)}
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</div>
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</li>
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);
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})}
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</ol>
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</div>
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);
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}
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@@ -0,0 +1,118 @@
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import React, { useCallback, useEffect, useRef, useState } from 'react';
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import { useTranslation } from 'react-i18next';
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import { Undo2, X } from 'lucide-react';
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import { Button } from '@/components/ui/Button';
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import { useUndoLastAction } from '@/api/entityHistory';
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interface UndoToastProps {
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message: string;
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onUndo: () => void;
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onDismiss: () => void;
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isUndoing: boolean;
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}
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/**
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* Undo toast shown after delete actions.
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* Auto-dismisses after 5 seconds and is manually dismissable.
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*/
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export function UndoToast({ message, onUndo, onDismiss, isUndoing }: UndoToastProps) {
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const { t } = useTranslation();
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return (
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<div
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className="fixed bottom-4 right-4 z-[100] flex items-center gap-3 p-4 rounded-lg shadow-lg border border-secondary-200 bg-white max-w-sm"
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role="alert"
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aria-live="polite"
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data-testid="undo-toast"
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>
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<p className="flex-1 text-sm font-medium text-secondary-900">{message}</p>
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<Button
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variant="primary"
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size="sm"
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onClick={onUndo}
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isLoading={isUndoing}
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icon={<Undo2 className="w-4 h-4" />}
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>
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{t('undoToast.undo', 'Undo')}
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</Button>
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<button
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onClick={onDismiss}
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className="flex-shrink-0 text-secondary-400 hover:text-secondary-700 min-h-touch min-w-touch flex items-center justify-center rounded focus:outline-none focus-visible:ring-2 focus-visible:ring-primary-500"
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aria-label={t('common.dismiss', 'Schließen')}
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>
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<X className="h-4 w-4" aria-hidden="true" />
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</button>
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</div>
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);
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}
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interface UndoToastState {
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message: string;
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entityType: string;
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entityId: string;
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}
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/**
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* Hook that shows an undo toast after a delete action and provides the undo function.
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*
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* Returns:
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* - `showUndoToast(message, entityType, entityId)`: trigger the toast
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* - `undoToast`: the JSX element to render (render it once in the page)
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*/
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export function useUndoToast() {
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const { t } = useTranslation();
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const [state, setState] = useState<UndoToastState | null>(null);
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const timerRef = useRef<ReturnType<typeof setTimeout> | null>(null);
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const undoMutation = useUndoLastAction();
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const clearTimer = useCallback(() => {
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if (timerRef.current) {
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clearTimeout(timerRef.current);
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timerRef.current = null;
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}
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}, []);
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const dismiss = useCallback(() => {
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clearTimer();
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setState(null);
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}, [clearTimer]);
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const showUndoToast = useCallback(
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(message: string, entityType: string, entityId: string) => {
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clearTimer();
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setState({ message, entityType, entityId });
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timerRef.current = setTimeout(() => {
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setState(null);
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timerRef.current = null;
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}, 5000);
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},
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[clearTimer]
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);
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const handleUndo = useCallback(async () => {
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if (!state) return;
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try {
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await undoMutation.mutateAsync({
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entityType: state.entityType,
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entityId: state.entityId,
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});
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dismiss();
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} catch {
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// Keep the toast visible so the user can retry; the mutation error is surfaced elsewhere.
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}
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}, [state, undoMutation, dismiss]);
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// Cleanup timer on unmount
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useEffect(() => clearTimer, [clearTimer]);
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const undoToast = state ? (
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<UndoToast
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message={state.message}
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onUndo={handleUndo}
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onDismiss={dismiss}
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isUndoing={undoMutation.isPending}
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/>
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) : null;
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return { showUndoToast, undoToast };
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}
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