ui-nyla/src/pages/admin/AdminDatabaseHealthPage.tsx
ValueOn AG ab5ead3416
All checks were successful
Deploy Nyla Frontend to Production / deploy (push) Successful in 45s
Deploy Nyla Frontend to Integration / deploy (push) Successful in 1m30s
fix db import
2026-05-28 11:25:24 +02:00

1769 lines
62 KiB
TypeScript

/**
* AdminDatabaseHealthPage
*
* SysAdmin-only page with three tabs:
* 1. Table Statistics — pg_stat data for every table across all databases
* 2. Orphan Cleanup — FK orphan detection with per-relation + batch cleanup
* 3. Migration — Database backup (export) and restore (import)
*
* Both Stats/Orphan tabs use FormGeneratorTable with a client-side pagination/sort/filter
* adapter (the backend returns all rows at once; the dataset is small enough).
*/
import React, { useState, useEffect, useCallback, useMemo, useRef } from 'react';
import { FaSync, FaTrashAlt, FaBroom, FaExclamationTriangle, FaDownload, FaUpload, FaDatabase, FaInfoCircle, FaCheckCircle } from 'react-icons/fa';
import api from '../../api';
import styles from './Admin.module.css';
import { useLanguage } from '../../providers/language/LanguageContext';
import { useToast } from '../../contexts/ToastContext';
import { useConfirm } from '../../hooks/useConfirm';
import { Tabs } from '../../components/UiComponents/Tabs/Tabs';
import { FormGeneratorTable, type ColumnConfig } from '../../components/FormGenerator/FormGeneratorTable';
// ---------------------------------------------------------------------------
// Types
// ---------------------------------------------------------------------------
interface TableStat {
id: string;
db: string;
table: string;
estimatedRows: number;
totalSizeBytes: number;
indexSizeBytes: number;
lastVacuum: string | null;
lastAnalyze: string | null;
}
interface OrphanEntry {
id: string;
sourceDb: string;
sourceTable: string;
sourceColumn: string;
targetDb: string;
targetTable: string;
targetColumn: string;
orphanCount: number;
sourceRowCount?: number;
targetRowCount?: number;
targetEmpty?: boolean;
wouldDeleteAll?: boolean;
}
interface CleanResult {
db: string;
table: string;
column: string;
deleted: number;
error?: string;
skipped?: string;
}
interface PaginationParams {
page?: number;
pageSize?: number;
search?: string;
filters?: Record<string, any>;
sort?: Array<{ field: string; direction: 'asc' | 'desc' }>;
}
interface PaginationMeta {
currentPage: number;
pageSize: number;
totalItems: number;
totalPages: number;
}
// ---------------------------------------------------------------------------
// Helpers
// ---------------------------------------------------------------------------
function _formatBytes(bytes: number): string {
if (bytes === 0) return '0 B';
const units = ['B', 'KB', 'MB', 'GB', 'TB'];
const i = Math.floor(Math.log(bytes) / Math.log(1024));
const value = bytes / Math.pow(1024, i);
return `${value.toFixed(i === 0 ? 0 : 1)} ${units[i]}`;
}
function _formatNumber(n: number): string {
return n.toLocaleString('de-CH');
}
// ---------------------------------------------------------------------------
// useClientPagination — adapts a static array to FormGeneratorTable's
// hookData.refetch / hookData.pagination contract.
// ---------------------------------------------------------------------------
function _useClientPagination<T extends Record<string, any>>(allData: T[]) {
const [visibleData, setVisibleData] = useState<T[]>([]);
const [pagination, setPagination] = useState<PaginationMeta>({
currentPage: 1, pageSize: 50, totalItems: 0, totalPages: 1,
});
const allDataRef = useRef(allData);
allDataRef.current = allData;
const lastParamsRef = useRef<PaginationParams>({});
const fetchFilterValues = useCallback(async (columnKey: string, crossFilters?: Record<string, any>) => {
let source = allDataRef.current;
if (crossFilters && Object.keys(crossFilters).length > 0) {
source = source.filter(row => {
for (const [key, val] of Object.entries(crossFilters)) {
if (val === undefined || val === null || val === '') continue;
const cell = String(row[key] ?? '');
if (Array.isArray(val)) {
if (val.length > 0 && !val.includes(cell)) return false;
} else {
if (cell !== String(val)) return false;
}
}
return true;
});
}
const seen = new Set<string>();
for (const row of source) {
const v = row[columnKey];
if (v !== undefined && v !== null && String(v).trim()) {
seen.add(String(v));
}
}
return Array.from(seen).sort();
}, []);
const refetch = useCallback(async (params?: PaginationParams) => {
const p = params || lastParamsRef.current;
lastParamsRef.current = p;
const source = allDataRef.current;
const page = p.page || 1;
const pageSize = p.pageSize || 50;
const search = (p.search || '').toLowerCase();
const filters = p.filters || {};
const sorts = p.sort || [];
// 1) Filter
let filtered = source.filter(row => {
for (const [key, val] of Object.entries(filters)) {
if (val === undefined || val === null || val === '') continue;
const cell = String(row[key] ?? '');
if (Array.isArray(val)) {
if (val.length > 0 && !val.includes(cell)) return false;
} else {
if (cell !== String(val)) return false;
}
}
return true;
});
// 2) Search
if (search) {
filtered = filtered.filter(row =>
Object.values(row).some(v => String(v ?? '').toLowerCase().includes(search)),
);
}
// 3) Sort
if (sorts.length > 0) {
filtered.sort((a, b) => {
for (const s of sorts) {
const aVal = a[s.field];
const bVal = b[s.field];
let cmp = 0;
if (typeof aVal === 'number' && typeof bVal === 'number') {
cmp = aVal - bVal;
} else {
cmp = String(aVal ?? '').localeCompare(String(bVal ?? ''));
}
if (cmp !== 0) return s.direction === 'desc' ? -cmp : cmp;
}
return 0;
});
}
// 4) Paginate
const totalItems = filtered.length;
const totalPages = Math.max(1, Math.ceil(totalItems / pageSize));
const safePage = Math.min(page, totalPages);
const start = (safePage - 1) * pageSize;
const paged = filtered.slice(start, start + pageSize);
setVisibleData(paged);
setPagination({ currentPage: safePage, pageSize, totalItems, totalPages });
}, []);
// Re-apply whenever allData changes
useEffect(() => {
refetch(lastParamsRef.current);
}, [allData, refetch]);
return { visibleData, pagination, refetch, fetchFilterValues };
}
// ---------------------------------------------------------------------------
// StatsTab
// ---------------------------------------------------------------------------
const StatsTab: React.FC = () => {
const { t } = useLanguage();
const [allStats, setAllStats] = useState<TableStat[]>([]);
const [loading, setLoading] = useState(false);
const [dbFilter, setDbFilter] = useState<string>('');
const _fetchStats = useCallback(async () => {
try {
setLoading(true);
const params = dbFilter ? `?db=${encodeURIComponent(dbFilter)}` : '';
const res = await api.get(`/api/admin/database-health/stats${params}`);
const rows = (res.data.stats || []).map((s: any, i: number) => ({
...s,
id: `${s.db}-${s.table}-${i}`,
}));
setAllStats(rows);
} catch {
setAllStats([]);
} finally {
setLoading(false);
}
}, [dbFilter]);
useEffect(() => { _fetchStats(); }, [_fetchStats]);
const { visibleData, pagination, refetch, fetchFilterValues } = _useClientPagination(allStats);
const databases = useMemo(
() => Array.from(new Set(allStats.map(s => s.db))).sort(),
[allStats],
);
const totals = useMemo(() => {
let rows = 0, size = 0, idx = 0;
for (const s of allStats) {
rows += s.estimatedRows;
size += s.totalSizeBytes;
idx += s.indexSizeBytes;
}
return { rows, size, idx, tables: allStats.length, dbs: databases.length };
}, [allStats, databases]);
const columns: ColumnConfig[] = useMemo(() => [
{
key: 'db',
label: t('Datenbank'),
sortable: true,
filterable: true,
searchable: true,
width: 200,
filterOptions: databases,
},
{
key: 'table',
label: t('Tabelle'),
sortable: true,
searchable: true,
width: 200,
},
{
key: 'estimatedRows',
label: t('Zeilen (ca.)'),
type: 'number',
sortable: true,
width: 120,
formatter: (v: number) => _formatNumber(v),
},
{
key: 'totalSizeBytes',
label: t('Total Size'),
type: 'number',
sortable: true,
width: 120,
formatter: (v: number) => _formatBytes(v),
},
{
key: 'indexSizeBytes',
label: t('Index Size'),
type: 'number',
sortable: true,
width: 120,
formatter: (v: number) => _formatBytes(v),
},
{
key: 'lastVacuum',
label: t('Last Vacuum'),
sortable: true,
width: 170,
formatter: (v: string | null) => v ?? '—',
},
{
key: 'lastAnalyze',
label: t('Last Analyze'),
sortable: true,
width: 170,
formatter: (v: string | null) => v ?? '—',
},
], [t, databases]);
return (
<div style={{ display: 'flex', flexDirection: 'column', flex: 1, minHeight: 0 }}>
{/* Controls */}
<div className={styles.filterSection}>
<div className={styles.filterGroup}>
<label className={styles.filterLabel}>{t('Datenbank')}</label>
<select
className={styles.filterSelect}
value={dbFilter}
onChange={e => setDbFilter(e.target.value)}
>
<option value="">{t('Alle')}</option>
{databases.map(db => <option key={db} value={db}>{db}</option>)}
</select>
</div>
<button className={styles.secondaryButton} onClick={_fetchStats} disabled={loading}>
<FaSync className={loading ? 'spinning' : ''} /> {t('Aktualisieren')}
</button>
</div>
{/* Summary */}
<div className={styles.filterSection} style={{ gap: '0.75rem', flexWrap: 'wrap' }}>
<span className={styles.filterLabel}>{t('{dbs} Datenbanken', { dbs: totals.dbs })}</span>
<span className={styles.filterLabel}>{t('{tables} Tabellen', { tables: totals.tables })}</span>
<span className={styles.filterLabel}>{t('{rows} Zeilen (ca.)', { rows: _formatNumber(totals.rows) })}</span>
<span className={styles.filterLabel}>{t('Total {size}', { size: _formatBytes(totals.size) })}</span>
<span className={styles.filterLabel}>{t('Index {size}', { size: _formatBytes(totals.idx) })}</span>
</div>
<div className={styles.tableContainer}>
<FormGeneratorTable
data={visibleData}
columns={columns}
loading={loading}
sortable={true}
searchable={true}
filterable={true}
pagination={true}
pageSize={50}
selectable={false}
hookData={{
refetch,
pagination,
fetchFilterValues,
}}
emptyMessage={t('Keine Tabellen gefunden')}
/>
</div>
</div>
);
};
// ---------------------------------------------------------------------------
// OrphansTab
// ---------------------------------------------------------------------------
const OrphansTab: React.FC = () => {
const { t } = useLanguage();
const toast = useToast();
const { confirm, ConfirmDialog } = useConfirm();
const [allOrphans, setAllOrphans] = useState<OrphanEntry[]>([]);
const [loading, setLoading] = useState(false);
const [cleaning, setCleaning] = useState<string | null>(null);
const [downloading, setDownloading] = useState<string | null>(null);
const [cleaningAll, setCleaningAll] = useState(false);
const [onlyProblems, setOnlyProblems] = useState(true);
// Default ON: deleted-user remnants belong to a dedicated purge workflow,
// not to generic FK cleanup. Hiding them by default prevents confusion
// (and accidental "Alle bereinigen" runs) when the SysAdmin scans for
// genuine FK drift.
const [excludeUserFks, setExcludeUserFks] = useState(true);
const [dbFilter, setDbFilter] = useState<string>('');
const _fetchOrphans = useCallback(async () => {
try {
setLoading(true);
const qs = new URLSearchParams();
if (dbFilter) qs.set('db', dbFilter);
if (excludeUserFks) qs.set('excludeUserFks', 'true');
const params = qs.toString() ? `?${qs.toString()}` : '';
const res = await api.get(`/api/admin/database-health/orphans${params}`);
const rows = (res.data.orphans || []).map((o: any, i: number) => ({
...o,
id: `${o.sourceDb}.${o.sourceTable}.${o.sourceColumn}-${i}`,
}));
setAllOrphans(rows);
} catch {
setAllOrphans([]);
} finally {
setLoading(false);
}
}, [dbFilter, excludeUserFks]);
useEffect(() => { _fetchOrphans(); }, [_fetchOrphans]);
const displayed = useMemo(
() => onlyProblems ? allOrphans.filter(o => o.orphanCount > 0) : allOrphans,
[allOrphans, onlyProblems],
);
const { visibleData, pagination, refetch, fetchFilterValues } = _useClientPagination(displayed);
const databases = useMemo(
() => Array.from(new Set(allOrphans.map(o => o.sourceDb))).sort(),
[allOrphans],
);
const totalOrphans = useMemo(() => allOrphans.reduce((s, o) => s + o.orphanCount, 0), [allOrphans]);
const _postCleanOne = async (o: OrphanEntry, force: boolean): Promise<number | 'refused'> => {
try {
const res = await api.post('/api/admin/database-health/orphans/clean', {
db: o.sourceDb,
table: o.sourceTable,
column: o.sourceColumn,
force,
});
return res.data.deleted as number;
} catch (err: any) {
const status = err?.response?.status;
const detail = err?.response?.data?.detail;
if (status === 409 && detail?.refused) {
return 'refused';
}
const reason = typeof detail === 'string' ? detail : (detail?.reason || t('Fehler beim Bereinigen'));
throw new Error(reason);
}
};
const _downloadOne = async (o: OrphanEntry) => {
const key = `${o.sourceDb}.${o.sourceTable}.${o.sourceColumn}`;
setDownloading(key);
try {
const res = await api.get('/api/admin/database-health/orphans/list', {
params: {
db: o.sourceDb,
table: o.sourceTable,
column: o.sourceColumn,
limit: 5000,
},
});
const payload = {
sourceDb: o.sourceDb,
sourceTable: o.sourceTable,
sourceColumn: o.sourceColumn,
targetDb: o.targetDb,
targetTable: o.targetTable,
targetColumn: o.targetColumn,
scannedOrphanCount: o.orphanCount,
downloadedAt: new Date().toISOString(),
...res.data,
};
const blob = new Blob([JSON.stringify(payload, null, 2)], { type: 'application/json' });
const url = URL.createObjectURL(blob);
const a = document.createElement('a');
const ts = new Date().toISOString().replace(/[:.]/g, '-');
a.href = url;
a.download = `orphans_${o.sourceDb}_${o.sourceTable}_${o.sourceColumn}_${ts}.json`;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
URL.revokeObjectURL(url);
toast.showSuccess(t('{count} verwaiste Datensätze heruntergeladen', { count: res.data?.count ?? 0 }));
} catch (err: any) {
const detail = err?.response?.data?.detail;
const reason = typeof detail === 'string' ? detail : (detail?.reason || t('Fehler beim Download'));
toast.showError(reason);
} finally {
setDownloading(null);
}
};
const _cleanOne = async (o: OrphanEntry) => {
const baseMsg = t('{count} verwaiste Einträge in {table}.{column} löschen?', { count: o.orphanCount, table: o.sourceTable, column: o.sourceColumn });
const warning = (o.targetEmpty || o.wouldDeleteAll)
? '\n\n' + t('WARNUNG: Target-Tabelle {target} ist leer oder die Bereinigung würde alle Source-Zeilen löschen. Das ist meist eine Fehlkonfiguration!', { target: `${o.targetDb}.${o.targetTable}` })
: '';
const ok = await confirm(baseMsg + warning, { title: t('Orphans bereinigen'), variant: 'danger' });
if (!ok) return;
const key = `${o.sourceDb}.${o.sourceTable}.${o.sourceColumn}`;
setCleaning(key);
try {
let result = await _postCleanOne(o, false);
if (result === 'refused') {
const forceOk = await confirm(
t('Sicherheits-Check ausgelöst (leere Target-Tabelle oder >50% der Source würden gelöscht). Trotzdem mit force=true bereinigen?'),
{ title: t('Bereinigung erzwingen?'), variant: 'danger' },
);
if (!forceOk) {
toast.showInfo(t('Bereinigung abgebrochen'));
return;
}
result = await _postCleanOne(o, true);
}
toast.showSuccess(t('{deleted} Einträge gelöscht', { deleted: result as number }));
_fetchOrphans();
} catch (err: any) {
toast.showError(err?.message || t('Fehler beim Bereinigen'));
} finally {
setCleaning(null);
}
};
const _cleanAll = async (force: boolean = false) => {
const ok = await confirm(
t('{count} verwaiste Einträge in {relations} Beziehungen löschen?', {
count: totalOrphans,
relations: allOrphans.filter(o => o.orphanCount > 0).length,
}) + (force ? '\n\n' + t('FORCE-Modus: Sicherheits-Checks werden ignoriert!') : ''),
{ title: t('Alle Orphans bereinigen'), variant: 'danger' },
);
if (!ok) return;
setCleaningAll(true);
try {
const res = await api.post('/api/admin/database-health/orphans/clean-all', { force, excludeUserFks });
const results: CleanResult[] = res.data.results || [];
const totalDeleted = results.reduce((s, r) => s + r.deleted, 0);
const errors = results.filter(r => r.error);
const skipped = results.filter(r => r.skipped);
if (skipped.length > 0 && !force) {
const retryOk = await confirm(
t('{deleted} gelöscht. {skipped} Bereinigungen wurden vom Sicherheits-Check abgelehnt (leere Target-Tabelle oder >50% Löschung). Mit force=true erneut versuchen?', { deleted: totalDeleted, skipped: skipped.length }),
{ title: t('Force benötigt'), variant: 'danger' },
);
if (retryOk) {
setCleaningAll(false);
await _cleanAll(true);
return;
}
}
if (errors.length > 0) {
toast.showWarning(t('{deleted} gelöscht, {errors} Fehler, {skipped} übersprungen', { deleted: totalDeleted, errors: errors.length, skipped: skipped.length }));
} else if (skipped.length > 0) {
toast.showWarning(t('{deleted} gelöscht, {skipped} übersprungen', { deleted: totalDeleted, skipped: skipped.length }));
} else {
toast.showSuccess(t('{deleted} Einträge gelöscht', { deleted: totalDeleted }));
}
_fetchOrphans();
} catch (err: any) {
toast.showError(err.response?.data?.detail || t('Fehler beim Bereinigen'));
} finally {
setCleaningAll(false);
}
};
const columns: ColumnConfig[] = useMemo(() => [
{
key: 'sourceDb',
label: t('Source DB'),
sortable: true,
filterable: true,
searchable: true,
width: 180,
filterOptions: databases,
},
{
key: 'sourceTable',
label: t('Tabelle'),
sortable: true,
searchable: true,
width: 180,
},
{
key: 'sourceColumn',
label: t('FK-Spalte'),
sortable: true,
searchable: true,
width: 150,
},
{
key: 'targetTable',
label: t('Referenz'),
sortable: true,
width: 220,
formatter: (_val: string, row: OrphanEntry) => {
const isCrossDb = row.sourceDb !== row.targetDb;
return (
<span>
<code>{row.targetTable}.{row.targetColumn}</code>
{isCrossDb && (
<span style={{
marginLeft: '0.4rem',
padding: '0.125rem 0.375rem',
borderRadius: '4px',
fontSize: '0.625rem',
fontWeight: 600,
textTransform: 'uppercase',
letterSpacing: '0.03em',
background: 'var(--primary-dark-bg, rgba(242, 88, 67, 0.12))',
color: 'var(--primary-color, #f25843)',
}}>
{t('cross-db')}
</span>
)}
</span>
);
},
},
{
key: 'orphanCount',
label: t('Orphans'),
type: 'number',
sortable: true,
width: 100,
formatter: (v: number) => (
<span style={v > 0 ? { color: 'var(--danger-color, #e53e3e)', fontWeight: 600 } : undefined}>
{_formatNumber(v)}
</span>
),
},
], [t, databases]);
return (
<div style={{ display: 'flex', flexDirection: 'column', flex: 1, minHeight: 0 }}>
<ConfirmDialog />
{/* Controls */}
<div className={styles.filterSection}>
<div className={styles.filterGroup}>
<label className={styles.filterLabel}>{t('Datenbank')}</label>
<select
className={styles.filterSelect}
value={dbFilter}
onChange={e => setDbFilter(e.target.value)}
>
<option value="">{t('Alle')}</option>
{databases.map(db => <option key={db} value={db}>{db}</option>)}
</select>
</div>
<div className={styles.filterGroup}>
<label className={styles.checkboxLabel}>
<input type="checkbox" checked={onlyProblems} onChange={e => setOnlyProblems(e.target.checked)} />
{t('Nur Probleme')}
</label>
</div>
<div className={styles.filterGroup}>
<label
className={styles.checkboxLabel}
title={t('FK-Referenzen auf UserInDB.id ausblenden — diese werden über den User-Purge-Workflow separat behandelt.')}
>
<input
type="checkbox"
checked={excludeUserFks}
onChange={e => setExcludeUserFks(e.target.checked)}
/>
{t('Ohne FK-Referenzen zu UserInDB.id')}
</label>
</div>
<div className={styles.headerActions}>
<button className={styles.secondaryButton} onClick={_fetchOrphans} disabled={loading}>
<FaSync className={loading ? 'spinning' : ''} /> {t('Scan')}
</button>
{totalOrphans > 0 && (
<button className={styles.dangerButton} onClick={() => _cleanAll(false)} disabled={cleaningAll || loading}>
<FaBroom className={cleaningAll ? 'spinning' : ''} /> {t('Alle bereinigen')} ({_formatNumber(totalOrphans)})
</button>
)}
</div>
</div>
{totalOrphans > 0 && (
<div className={styles.infoBox} style={{ background: 'var(--warning-bg, #fffbeb)', borderColor: 'var(--warning-color, #d69e2e)' }}>
<FaExclamationTriangle style={{ marginRight: 8, color: 'var(--warning-color, #d69e2e)' }} />
{t('{count} verwaiste Einträge in {relations} Beziehungen gefunden', {
count: _formatNumber(totalOrphans),
relations: allOrphans.filter(o => o.orphanCount > 0).length,
})}
</div>
)}
<div className={styles.tableContainer}>
<FormGeneratorTable
data={visibleData}
columns={columns}
loading={loading}
sortable={true}
searchable={true}
filterable={true}
pagination={true}
pageSize={50}
selectable={false}
customActions={[
{
id: 'download',
icon: <FaDownload />,
onClick: (row: OrphanEntry) => _downloadOne(row),
visible: (row: OrphanEntry) => row.orphanCount > 0,
loading: (row: OrphanEntry) => downloading === `${row.sourceDb}.${row.sourceTable}.${row.sourceColumn}`,
title: t('Orphan-Liste herunterladen (JSON)'),
},
{
id: 'clean',
icon: <FaTrashAlt />,
onClick: (row: OrphanEntry) => _cleanOne(row),
visible: (row: OrphanEntry) => row.orphanCount > 0,
loading: (row: OrphanEntry) => cleaning === `${row.sourceDb}.${row.sourceTable}.${row.sourceColumn}` || cleaningAll,
title: t('Orphans löschen'),
},
]}
hookData={{
refetch,
pagination,
fetchFilterValues,
}}
emptyMessage={onlyProblems ? t('Keine Orphans gefunden') : t('Keine FK-Beziehungen gefunden')}
/>
</div>
</div>
);
};
// ---------------------------------------------------------------------------
// Types (Migration)
// ---------------------------------------------------------------------------
interface MigrationDatabase {
name: string;
tableCount: number;
recordCount: number;
}
interface ValidationSummaryItem {
database: string;
tableCount: number;
recordCount: number;
registered: boolean;
}
interface ValidationResult {
valid: boolean;
summary: ValidationSummaryItem[];
warnings: string[];
systemObjectsFound: Array<{ type: string; label: string; payloadId: string }>;
}
interface ProgressLogEntry {
ts: string;
message: string;
status: 'info' | 'success' | 'error';
}
// ---------------------------------------------------------------------------
// MigrationTab
// ---------------------------------------------------------------------------
const MigrationTab: React.FC = () => {
const { t } = useLanguage();
const toast = useToast();
const { confirm, ConfirmDialog } = useConfirm();
// --- Backup state ---
const [databases, setDatabases] = useState<MigrationDatabase[]>([]);
const [selectedDbs, setSelectedDbs] = useState<Set<string>>(new Set());
const [loadingDbs, setLoadingDbs] = useState(false);
const [exporting, setExporting] = useState(false);
const [exportLog, setExportLog] = useState<ProgressLogEntry[]>([]);
// --- Restore state ---
const [uploadedFile, setUploadedFile] = useState<File | null>(null);
const [validating, setValidating] = useState(false);
const [validation, setValidation] = useState<ValidationResult | null>(null);
const [importMode, setImportMode] = useState<'replace' | 'merge'>('merge');
const [importing, setImporting] = useState(false);
const [importLog, setImportLog] = useState<ProgressLogEntry[]>([]);
const fileInputRef = useRef<HTMLInputElement>(null);
const exportLogRef = useRef<HTMLDivElement>(null);
const importLogRef = useRef<HTMLDivElement>(null);
// --- Fetch databases ---
const _fetchDatabases = useCallback(async () => {
try {
setLoadingDbs(true);
const res = await api.get('/api/admin/database-health/migration/databases');
const dbs: MigrationDatabase[] = res.data.databases || [];
setDatabases(dbs);
setSelectedDbs(new Set(dbs.map(d => d.name)));
} catch {
setDatabases([]);
} finally {
setLoadingDbs(false);
}
}, []);
useEffect(() => { _fetchDatabases(); }, [_fetchDatabases]);
// --- Backup: DB selection ---
const allSelected = databases.length > 0 && selectedDbs.size === databases.length;
const _toggleAll = () => {
if (allSelected) {
setSelectedDbs(new Set());
} else {
setSelectedDbs(new Set(databases.map(d => d.name)));
}
};
const _toggleDb = (name: string) => {
setSelectedDbs(prev => {
const next = new Set(prev);
if (next.has(name)) {
next.delete(name);
} else {
next.add(name);
}
return next;
});
};
// --- Backup: Export (per-DB with progress) ---
const _addExportLog = useCallback((message: string, logStatus: ProgressLogEntry['status'] = 'info') => {
const ts = new Date().toLocaleTimeString();
setExportLog(prev => [...prev, { ts, message, status: logStatus }]);
setTimeout(() => exportLogRef.current?.scrollTo({ top: exportLogRef.current.scrollHeight }), 50);
}, []);
const _startExport = async () => {
if (selectedDbs.size === 0) return;
setExporting(true);
setExportLog([]);
const dbList = Array.from(selectedDbs);
const dbsParam = allSelected ? 'all' : dbList.join(',');
_addExportLog(t('Export gestartet: {count} Datenbanken (Streaming)', { count: dbList.length }));
try {
const baseURL = api.defaults.baseURL || '';
const url = `${baseURL}/api/admin/database-health/migration/export-stream?databases=${encodeURIComponent(dbsParam)}`;
const response = await fetch(url, { credentials: 'include' });
if (!response.ok) {
const errText = await response.text();
throw new Error(`Server ${response.status}: ${errText}`);
}
if (!response.body) throw new Error('ReadableStream not supported');
const cd = response.headers.get('Content-Disposition');
let filename = `db_export_${new Date().toISOString().replace(/[:.]/g, '-')}.json`;
if (cd) {
const m = cd.match(/filename="?([^"]+)"?/);
if (m) filename = m[1];
}
const handle = await (window as any).showSaveFilePicker({
suggestedName: filename,
types: [{ description: 'JSON', accept: { 'application/json': ['.json'] } }],
});
const writable = await handle.createWritable();
const reader = response.body.getReader();
const decoder = new TextDecoder();
let totalBytes = 0;
let lastLogBytes = 0;
let currentDb = '';
let dbCount = 0;
const totalDbs = dbList.length;
let tailBuf = '';
for (;;) {
const { done, value } = await reader.read();
if (done) break;
await writable.write(value);
totalBytes += value.length;
const text = decoder.decode(value, { stream: true });
tailBuf += text;
const match = tailBuf.match(/"(poweron_[a-z_]+)":\{"tables"/);
if (match && match[1] !== currentDb) {
currentDb = match[1];
dbCount++;
tailBuf = '';
const mb = (totalBytes / (1024 * 1024)).toFixed(1);
_addExportLog(t('{index}/{total}: {db} — {mb} MB', {
index: dbCount, total: totalDbs, db: currentDb, mb,
}));
lastLogBytes = totalBytes;
} else if (totalBytes - lastLogBytes >= 2 * 1024 * 1024) {
const mb = (totalBytes / (1024 * 1024)).toFixed(1);
setExportLog(prev => {
const updated = [...prev];
updated[updated.length - 1] = {
ts: new Date().toLocaleTimeString(),
message: t('{index}/{total}: {db} — {mb} MB', {
index: dbCount, total: totalDbs, db: currentDb || '...', mb,
}),
status: 'info',
};
return updated;
});
lastLogBytes = totalBytes;
}
if (tailBuf.length > 500) tailBuf = tailBuf.slice(-200);
}
await writable.close();
const mb = (totalBytes / (1024 * 1024)).toFixed(1);
_addExportLog(t('Export abgeschlossen: {count} Datenbanken, {mb} MB', { count: dbCount, mb }), 'success');
toast.showSuccess(t('Export gespeichert'));
} catch (err: any) {
_addExportLog(t('Fehler: {error}', { error: String(err) }), 'error');
toast.showError(t('Export fehlgeschlagen'));
} finally {
setExporting(false);
}
};
// --- Restore: File upload ---
const _handleFileSelect = (file: File) => {
setUploadedFile(file);
setValidation(null);
_validateFile(file);
};
const _onFileInputChange = (e: React.ChangeEvent<HTMLInputElement>) => {
const file = e.target.files?.[0];
if (file) _handleFileSelect(file);
if (e.target) e.target.value = '';
};
const _onDrop = (e: React.DragEvent) => {
e.preventDefault();
const file = e.dataTransfer.files?.[0];
if (file && file.name.endsWith('.json')) {
_handleFileSelect(file);
}
};
const _onDragOver = (e: React.DragEvent) => {
e.preventDefault();
};
// --- Restore: Validate (uploads file to server, streams to disk) ---
const importTokenRef = useRef('');
const [uploadProgress, setUploadProgress] = useState('');
const _validateFile = async (file: File) => {
setValidating(true);
setValidation(null);
setUploadProgress('');
importTokenRef.current = '';
const fileMb = (file.size / (1024 * 1024)).toFixed(1);
try {
// Phase 1: Upload file to disk
const formData = new FormData();
formData.append('file', file);
const uploadRes = await api.post('/api/admin/database-health/migration/upload-import', formData, {
headers: { 'Content-Type': 'multipart/form-data' },
timeout: 0,
onUploadProgress: (e) => {
if (e.total) {
const pct = Math.round((e.loaded / e.total) * 100);
const loadedMb = (e.loaded / (1024 * 1024)).toFixed(1);
setUploadProgress(
pct < 100
? t('Upload: {loaded} / {total} MB ({pct}%)', { loaded: loadedMb, total: fileMb, pct })
: t('Verarbeitung wird gestartet...'),
);
}
},
});
const token = uploadRes.data.token;
if (!token) throw new Error('No token returned from upload');
// Phase 2: Stream validation + split with progress
const baseURL = api.defaults.baseURL || '';
const streamUrl = `${baseURL}/api/admin/database-health/migration/process-import-stream?token=${encodeURIComponent(token)}`;
const streamRes = await fetch(streamUrl, { credentials: 'include' });
if (!streamRes.ok) {
const errText = await streamRes.text();
throw new Error(`Server ${streamRes.status}: ${errText}`);
}
if (!streamRes.body) throw new Error('ReadableStream not supported');
const reader = streamRes.body.getReader();
const decoder = new TextDecoder();
let buf = '';
let finalResult: any = null;
for (;;) {
const { done, value } = await reader.read();
if (done) break;
buf += decoder.decode(value, { stream: true });
const lines = buf.split('\n');
buf = lines.pop() || '';
for (const line of lines) {
if (!line.trim()) continue;
try {
const evt = JSON.parse(line);
if (evt.phase === 'validate') {
setUploadProgress(
t('Pass 1 Validierung: {db}.{table} ({rows} Datensaetze)', {
db: evt.db, table: evt.table, rows: evt.rows,
}),
);
} else if (evt.phase === 'split') {
setUploadProgress(
t('Pass 2 Split: {db}.{table} ({rows} Datensaetze)', {
db: evt.db, table: evt.table, rows: evt.rows,
}),
);
} else if (evt.phase === 'done') {
finalResult = evt.result;
} else if (evt.phase === 'error') {
throw new Error(evt.detail || 'Processing failed');
}
} catch (parseErr) {
if ((parseErr as Error).message?.startsWith('Processing'))
throw parseErr;
}
}
}
setUploadProgress('');
if (!finalResult) throw new Error('No result received from processing stream');
importTokenRef.current = finalResult.token || token;
setValidation({
valid: finalResult.valid,
summary: (finalResult.databases || []).map((d: any) => ({
database: d.database,
tableCount: d.tableCount,
recordCount: d.recordCount,
registered: true,
})),
warnings: finalResult.warnings || [],
systemObjectsFound: finalResult.systemObjectsFound || [],
});
} catch (err: any) {
setUploadProgress('');
const detail = err?.response?.data?.detail || err?.message;
setValidation({
valid: false, summary: [], systemObjectsFound: [],
warnings: [typeof detail === 'string' ? detail : t('Upload oder Validierung fehlgeschlagen')],
});
} finally {
setValidating(false);
}
};
// --- Restore: Import (per-DB with progress) ---
const _addImportLog = useCallback((message: string, logStatus: ProgressLogEntry['status'] = 'info') => {
const ts = new Date().toLocaleTimeString();
setImportLog(prev => [...prev, { ts, message, status: logStatus }]);
setTimeout(() => importLogRef.current?.scrollTo({ top: importLogRef.current.scrollHeight }), 50);
}, []);
const _startImport = async () => {
if (!importTokenRef.current || !validation?.valid || importing) return;
setImporting(true);
const modeLabel = importMode === 'replace'
? t('Neu (Datenbank leeren und importieren)')
: t('Zusammenfuehren (bestehende Daten belassen, neue ergaenzen)');
const ok = await confirm(
t('Import mit Modus "{mode}" starten? Dieser Vorgang kann nicht rueckgaengig gemacht werden.', { mode: modeLabel }),
{ title: t('Import starten'), variant: importMode === 'replace' ? 'danger' : 'primary' },
);
if (!ok) { setImporting(false); return; }
setImportLog([]);
const token = importTokenRef.current;
const dbList = validation.summary.filter(s => s.registered);
const totalDbs = dbList.length;
let totalRecords = 0;
let errors = 0;
_addImportLog(t('Import gestartet: {count} Datenbanken', { count: totalDbs }));
for (let i = 0; i < dbList.length; i++) {
const dbInfo = dbList[i];
_addImportLog(
t('Importiere {index}/{total}: {db} ({records} Datensaetze)...', {
index: i + 1, total: totalDbs, db: dbInfo.database, records: dbInfo.recordCount,
}),
);
try {
const res = await api.post('/api/admin/database-health/migration/import-single', {
token,
database: dbInfo.database,
mode: importMode,
});
const result = res.data;
totalRecords += result.recordCount || 0;
const dbWarnings: string[] = result.warnings || [];
for (const w of dbWarnings) {
_addImportLog(t('Warnung: {msg}', { msg: w }), 'error');
}
_addImportLog(
t('{db}: {count} Datensaetze importiert', { db: dbInfo.database, count: result.recordCount || 0 }),
dbWarnings.length > 0 ? 'error' : 'success',
);
} catch (err: any) {
errors++;
const detail = err?.response?.data?.detail;
_addImportLog(
t('Fehler bei {db}: {error}', {
db: dbInfo.database,
error: typeof detail === 'string' ? detail : String(err),
}),
'error',
);
}
}
try { await api.post('/api/admin/database-health/migration/import-done', { token }); } catch { /* ignore */ }
_addImportLog(
t('Import abgeschlossen: {records} Datensaetze in {dbs} Datenbanken', {
records: totalRecords, dbs: totalDbs,
}),
'success',
);
if (errors > 0) {
toast.showWarning(t('{count} Datensaetze importiert, {errors} Fehler', { count: totalRecords, errors }));
} else {
toast.showSuccess(t('{count} Datensaetze erfolgreich importiert', { count: totalRecords }));
}
importTokenRef.current = '';
setImporting(false);
};
const _resetUpload = () => {
setUploadedFile(null);
setValidation(null);
importTokenRef.current = '';
};
return (
<div style={{ display: 'flex', flexDirection: 'column', flex: 1, minHeight: 0, overflow: 'auto', gap: '2rem', padding: '0.5rem 0' }}>
<ConfirmDialog />
{/* ---- BACKUP SECTION ---- */}
<section>
<h2 style={{ fontSize: '1.125rem', fontWeight: 600, color: 'var(--text-primary)', margin: '0 0 1rem 0', display: 'flex', alignItems: 'center', gap: '0.5rem' }}>
<FaDownload /> {t('Backup')}
</h2>
<p style={{ fontSize: '0.875rem', color: 'var(--text-secondary)', margin: '0 0 0.75rem 0' }}>
{t('Datenbanken fuer Export auswaehlen')}
</p>
{loadingDbs ? (
<div className={styles.loadingContainer}>
<div className={styles.spinner} />
</div>
) : (
<>
<div style={{ display: 'flex', flexDirection: 'column', gap: '0.375rem', marginBottom: '1rem' }}>
<label className={styles.checkboxLabel} style={{ fontWeight: 600 }}>
<input type="checkbox" checked={allSelected} onChange={_toggleAll} />
{t('Alle Datenbanken')}
</label>
<div style={{ display: 'flex', flexDirection: 'column', gap: '0.25rem', paddingLeft: '0.5rem' }}>
{databases.map(db => (
<label key={db.name} className={styles.checkboxLabel}>
<input
type="checkbox"
checked={selectedDbs.has(db.name)}
onChange={() => _toggleDb(db.name)}
/>
<span>{db.name}</span>
<span style={{ fontSize: '0.75rem', color: 'var(--text-tertiary)' }}>
({db.tableCount} {t('Tabellen')}, ~{_formatNumber(db.recordCount)} {t('Zeilen')})
</span>
</label>
))}
</div>
</div>
<button
className={styles.primaryButton}
onClick={_startExport}
disabled={exporting || selectedDbs.size === 0}
>
{exporting ? (
<><FaSync className="spinning" /> {t('Export laeuft...')}</>
) : (
<><FaDownload /> {t('Export starten')}</>
)}
</button>
{exportLog.length > 0 && (
<div
ref={exportLogRef}
style={{
marginTop: '0.75rem',
maxHeight: '200px',
overflow: 'auto',
background: 'var(--bg-secondary)',
border: '1px solid var(--border-color)',
borderRadius: '6px',
padding: '0.5rem 0.75rem',
fontFamily: 'monospace',
fontSize: '0.8125rem',
lineHeight: '1.6',
}}
>
{exportLog.map((entry, i) => (
<div key={i} style={{
color: entry.status === 'error' ? 'var(--danger-color, #e53e3e)'
: entry.status === 'success' ? '#388e3c' : 'var(--text-secondary)',
}}>
<span style={{ color: 'var(--text-tertiary)', marginRight: '0.5rem' }}>{entry.ts}</span>
{entry.message}
</div>
))}
</div>
)}
</>
)}
</section>
{/* ---- DIVIDER ---- */}
<hr style={{ border: 'none', borderTop: '1px solid var(--border-color)', margin: 0 }} />
{/* ---- RESTORE SECTION ---- */}
<section>
<h2 style={{ fontSize: '1.125rem', fontWeight: 600, color: 'var(--text-primary)', margin: '0 0 1rem 0', display: 'flex', alignItems: 'center', gap: '0.5rem' }}>
<FaUpload /> {t('Restore')}
</h2>
{/* File upload zone */}
{!uploadedFile ? (
<div
onDrop={_onDrop}
onDragOver={_onDragOver}
onClick={() => fileInputRef.current?.click()}
style={{
border: '2px dashed var(--border-color)',
borderRadius: '8px',
padding: '2rem',
textAlign: 'center',
cursor: 'pointer',
background: 'var(--bg-secondary)',
transition: 'border-color 0.2s',
}}
>
<FaUpload style={{ fontSize: '1.5rem', color: 'var(--text-tertiary)', marginBottom: '0.5rem' }} />
<p style={{ margin: 0, fontSize: '0.875rem', color: 'var(--text-secondary)' }}>
{t('Datei hier ablegen oder klicken')}
</p>
<p style={{ margin: '0.25rem 0 0', fontSize: '0.75rem', color: 'var(--text-tertiary)' }}>
{t('JSON-Datei hochladen')}
</p>
<input
ref={fileInputRef}
type="file"
accept=".json"
onChange={_onFileInputChange}
style={{ display: 'none' }}
/>
</div>
) : (
<div>
{/* File info */}
<div className={styles.infoBox} style={{ justifyContent: 'space-between' }}>
<span style={{ display: 'flex', alignItems: 'center', gap: '0.5rem' }}>
<FaDatabase />
{uploadedFile.name} ({_formatBytes(uploadedFile.size)})
</span>
<button
className={styles.secondaryButton}
onClick={_resetUpload}
style={{ padding: '0.25rem 0.5rem', fontSize: '0.75rem' }}
>
{t('Andere Datei')}
</button>
</div>
{/* Validation */}
{validating && (
<div className={styles.loadingContainer} style={{ padding: '1rem' }}>
<div className={styles.spinner} />
<span>{uploadProgress || t('Validierung laeuft...')}</span>
</div>
)}
{validation && !validating && (
<div style={{ marginTop: '1rem' }}>
<h3 style={{ fontSize: '1rem', fontWeight: 600, margin: '0 0 0.75rem 0' }}>
{t('Pruefung')}
</h3>
{/* Validation warnings */}
{validation.warnings.length > 0 && (
<div className={styles.infoBox} style={{
background: 'var(--warning-bg, #fffbeb)',
borderColor: 'var(--warning-color, #d69e2e)',
flexDirection: 'column',
alignItems: 'flex-start',
gap: '0.25rem',
}}>
{validation.warnings.map((w, i) => (
<span key={i} style={{ display: 'flex', alignItems: 'center', gap: '0.5rem' }}>
<FaExclamationTriangle style={{ color: 'var(--warning-color, #d69e2e)', flexShrink: 0 }} /> {w}
</span>
))}
</div>
)}
{/* Summary table */}
{validation.summary.length > 0 && (
<table style={{ width: '100%', borderCollapse: 'collapse', fontSize: '0.875rem', marginBottom: '1rem' }}>
<thead>
<tr style={{ borderBottom: '2px solid var(--border-color)' }}>
<th style={{ textAlign: 'left', padding: '0.5rem 0.75rem' }}>{t('Datenbank')}</th>
<th style={{ textAlign: 'right', padding: '0.5rem 0.75rem' }}>{t('Tabellen')}</th>
<th style={{ textAlign: 'right', padding: '0.5rem 0.75rem' }}>{t('Datensaetze')}</th>
<th style={{ textAlign: 'center', padding: '0.5rem 0.75rem' }}>{t('Status')}</th>
</tr>
</thead>
<tbody>
{validation.summary.map(s => (
<tr key={s.database} style={{ borderBottom: '1px solid var(--border-color)' }}>
<td style={{ padding: '0.5rem 0.75rem' }}>{s.database}</td>
<td style={{ textAlign: 'right', padding: '0.5rem 0.75rem' }}>{s.tableCount}</td>
<td style={{ textAlign: 'right', padding: '0.5rem 0.75rem' }}>{_formatNumber(s.recordCount)}</td>
<td style={{ textAlign: 'center', padding: '0.5rem 0.75rem' }}>
{s.registered ? (
<FaCheckCircle style={{ color: '#388e3c' }} />
) : (
<FaExclamationTriangle style={{ color: 'var(--warning-color, #d69e2e)' }} />
)}
</td>
</tr>
))}
</tbody>
</table>
)}
{/* System objects info */}
{validation.systemObjectsFound.length > 0 && (
<div className={styles.infoBox} style={{ flexDirection: 'column', alignItems: 'flex-start', gap: '0.25rem' }}>
<span style={{ display: 'flex', alignItems: 'center', gap: '0.5rem', fontWeight: 500 }}>
<FaInfoCircle style={{ color: 'var(--primary-color, #f25843)' }} />
{t('Systemdaten werden beim Import nicht geloescht')}
</span>
<span style={{ fontSize: '0.8125rem', color: 'var(--text-secondary)', paddingLeft: '1.5rem' }}>
{validation.systemObjectsFound.map(o => o.label).join(', ')}
</span>
</div>
)}
{/* Import settings */}
{validation.valid && (
<div style={{ marginTop: '1rem' }}>
<h3 style={{ fontSize: '1rem', fontWeight: 600, margin: '0 0 0.75rem 0' }}>
{t('Import-Einstellungen')}
</h3>
<div style={{ display: 'flex', flexDirection: 'column', gap: '0.5rem', marginBottom: '1rem' }}>
<label className={styles.checkboxLabel} style={{ cursor: 'pointer' }}>
<input
type="radio"
name="importMode"
checked={importMode === 'merge'}
onChange={() => setImportMode('merge')}
/>
<div>
<div style={{ fontWeight: 500 }}>{t('Zusammenfuehren (bestehende Daten belassen, neue ergaenzen)')}</div>
<div style={{ fontSize: '0.75rem', color: 'var(--text-tertiary)' }}>
{t('Bestehende Datensaetze bleiben erhalten, nur fehlende werden eingefuegt')}
</div>
</div>
</label>
<label className={styles.checkboxLabel} style={{ cursor: 'pointer' }}>
<input
type="radio"
name="importMode"
checked={importMode === 'replace'}
onChange={() => setImportMode('replace')}
/>
<div>
<div style={{ fontWeight: 500 }}>{t('Neu (Datenbank leeren und importieren)')}</div>
<div style={{ fontSize: '0.75rem', color: 'var(--text-tertiary)' }}>
{t('Bestehende Daten werden geloescht und durch importierte Daten ersetzt')}
</div>
</div>
</label>
</div>
{importMode === 'replace' && (
<div className={styles.infoBox} style={{
background: 'var(--danger-bg, #fff5f5)',
borderColor: 'var(--danger-color, #e53e3e)',
}}>
<FaExclamationTriangle style={{ marginRight: 8, color: 'var(--danger-color, #e53e3e)', flexShrink: 0 }} />
{t('Achtung: Bestehende Daten werden unwiderruflich geloescht. Erstellen Sie zuerst ein Backup.')}
</div>
)}
<button
className={importMode === 'replace' ? styles.dangerButton : styles.primaryButton}
onClick={_startImport}
disabled={importing}
style={{ marginTop: '0.5rem' }}
>
{importing ? (
<><FaSync className="spinning" /> {t('Import laeuft...')}</>
) : (
<><FaUpload /> {t('Import starten')}</>
)}
</button>
{importLog.length > 0 && (
<div
ref={importLogRef}
style={{
marginTop: '0.75rem',
maxHeight: '200px',
overflow: 'auto',
background: 'var(--bg-secondary)',
border: '1px solid var(--border-color)',
borderRadius: '6px',
padding: '0.5rem 0.75rem',
fontFamily: 'monospace',
fontSize: '0.8125rem',
lineHeight: '1.6',
}}
>
{importLog.map((entry, i) => (
<div key={i} style={{
color: entry.status === 'error' ? 'var(--danger-color, #e53e3e)'
: entry.status === 'success' ? '#388e3c' : 'var(--text-secondary)',
}}>
<span style={{ color: 'var(--text-tertiary)', marginRight: '0.5rem' }}>{entry.ts}</span>
{entry.message}
</div>
))}
</div>
)}
</div>
)}
</div>
)}
</div>
)}
</section>
</div>
);
};
// ---------------------------------------------------------------------------
// LegacyCleanupTab
// ---------------------------------------------------------------------------
interface LegacyTable {
id: string;
db: string;
table: string;
rowCount: number;
sizeBytes: number;
}
const LegacyCleanupTab: React.FC = () => {
const { t } = useLanguage();
const toast = useToast();
const { confirm, ConfirmDialog } = useConfirm();
const [allLegacy, setAllLegacy] = useState<LegacyTable[]>([]);
const [loading, setLoading] = useState(false);
const [dropping, setDropping] = useState<string | null>(null);
const [selected, setSelected] = useState<Set<string>>(new Set());
const [droppingBatch, setDroppingBatch] = useState(false);
const _fetchLegacy = useCallback(async () => {
try {
setLoading(true);
const res = await api.get('/api/admin/database-health/legacy-tables');
const rows: LegacyTable[] = (res.data.legacyTables || []).map((t: any) => ({
...t,
id: `${t.db}.${t.table}`,
}));
setAllLegacy(rows);
setSelected(new Set());
} catch {
setAllLegacy([]);
} finally {
setLoading(false);
}
}, []);
useEffect(() => { _fetchLegacy(); }, [_fetchLegacy]);
const { visibleData, pagination, refetch, fetchFilterValues } = _useClientPagination(allLegacy);
const databases = useMemo(
() => Array.from(new Set(allLegacy.map(l => l.db))).sort(),
[allLegacy],
);
const totals = useMemo(() => {
let rows = 0, size = 0;
for (const l of allLegacy) { rows += l.rowCount; size += l.sizeBytes; }
return { count: allLegacy.length, rows, size, dbs: databases.length };
}, [allLegacy, databases]);
const _dropOne = async (entry: LegacyTable) => {
const ok = await confirm(
t('Legacy-Tabelle {db}.{table} ({rows} Zeilen, {size}) unwiderruflich löschen?', {
db: entry.db, table: entry.table, rows: _formatNumber(entry.rowCount), size: _formatBytes(entry.sizeBytes),
}),
{ title: t('Legacy-Tabelle löschen'), variant: 'danger' },
);
if (!ok) return;
setDropping(entry.id);
try {
await api.post('/api/admin/database-health/legacy-tables/drop', { db: entry.db, table: entry.table });
toast.showSuccess(t('{db}.{table} gelöscht', { db: entry.db, table: entry.table }));
_fetchLegacy();
} catch (err: any) {
const detail = err?.response?.data?.detail;
toast.showError(typeof detail === 'string' ? detail : t('Fehler beim Löschen'));
} finally {
setDropping(null);
}
};
const _dropSelected = async () => {
if (selected.size === 0) return;
const selectedEntries = allLegacy.filter(l => selected.has(l.id));
const totalRows = selectedEntries.reduce((s, l) => s + l.rowCount, 0);
const ok = await confirm(
t('{count} Legacy-Tabellen mit insgesamt {rows} Zeilen unwiderruflich löschen?', {
count: selected.size, rows: _formatNumber(totalRows),
}),
{ title: t('Ausgewählte löschen'), variant: 'danger' },
);
if (!ok) return;
setDroppingBatch(true);
let deleted = 0;
let errors = 0;
for (const entry of selectedEntries) {
try {
await api.post('/api/admin/database-health/legacy-tables/drop', { db: entry.db, table: entry.table });
deleted++;
} catch {
errors++;
}
}
if (errors > 0) {
toast.showWarning(t('{deleted} gelöscht, {errors} Fehler', { deleted, errors }));
} else {
toast.showSuccess(t('{deleted} Legacy-Tabellen gelöscht', { deleted }));
}
setDroppingBatch(false);
_fetchLegacy();
};
const _toggleSelect = (id: string) => {
setSelected(prev => {
const next = new Set(prev);
if (next.has(id)) next.delete(id); else next.add(id);
return next;
});
};
const _toggleAll = () => {
if (selected.size === allLegacy.length) {
setSelected(new Set());
} else {
setSelected(new Set(allLegacy.map(l => l.id)));
}
};
const columns: ColumnConfig[] = useMemo(() => [
{
key: '_select',
label: '',
width: 40,
formatter: (_val: any, row: LegacyTable) => (
<input
type="checkbox"
checked={selected.has(row.id)}
onChange={() => _toggleSelect(row.id)}
/>
),
},
{
key: 'db',
label: t('Datenbank'),
sortable: true,
filterable: true,
searchable: true,
width: 200,
filterOptions: databases,
},
{
key: 'table',
label: t('Tabelle'),
sortable: true,
searchable: true,
width: 250,
formatter: (v: string) => (
<span style={{ color: 'var(--danger-color, #e53e3e)' }}>
<code>{v}</code>
<span style={{
marginLeft: '0.4rem',
padding: '0.125rem 0.375rem',
borderRadius: '4px',
fontSize: '0.625rem',
fontWeight: 600,
textTransform: 'uppercase',
letterSpacing: '0.03em',
background: 'var(--primary-dark-bg, rgba(242, 88, 67, 0.12))',
color: 'var(--primary-color, #f25843)',
}}>
{t('kein Modell')}
</span>
</span>
),
},
{
key: 'rowCount',
label: t('Zeilen (ca.)'),
type: 'number' as const,
sortable: true,
width: 120,
formatter: (v: number) => _formatNumber(v),
},
{
key: 'sizeBytes',
label: t('Grösse'),
type: 'number' as const,
sortable: true,
width: 120,
formatter: (v: number) => _formatBytes(v),
},
], [t, databases, selected]);
return (
<div style={{ display: 'flex', flexDirection: 'column', flex: 1, minHeight: 0 }}>
<ConfirmDialog />
<div className={styles.filterSection}>
<div className={styles.headerActions}>
<button className={styles.secondaryButton} onClick={_fetchLegacy} disabled={loading}>
<FaSync className={loading ? 'spinning' : ''} /> {t('Scan')}
</button>
<label className={styles.checkboxLabel} style={{ fontWeight: 600 }}>
<input type="checkbox" checked={selected.size === allLegacy.length && allLegacy.length > 0} onChange={_toggleAll} />
{t('Alle')}
</label>
{selected.size > 0 && (
<button className={styles.dangerButton} onClick={_dropSelected} disabled={droppingBatch || loading}>
<FaTrashAlt className={droppingBatch ? 'spinning' : ''} />
{t('Ausgewählte löschen')} ({selected.size})
</button>
)}
</div>
</div>
{allLegacy.length > 0 && (
<div className={styles.infoBox} style={{ background: 'var(--warning-bg, #fffbeb)', borderColor: 'var(--warning-color, #d69e2e)' }}>
<FaExclamationTriangle style={{ marginRight: 8, color: 'var(--warning-color, #d69e2e)' }} />
{t('{count} Legacy-Tabellen in {dbs} Datenbanken ({rows} Zeilen, {size})', {
count: totals.count, dbs: totals.dbs, rows: _formatNumber(totals.rows), size: _formatBytes(totals.size),
})}
</div>
)}
<div className={styles.tableContainer}>
<FormGeneratorTable
data={visibleData}
columns={columns}
loading={loading}
sortable={true}
searchable={true}
filterable={true}
pagination={true}
pageSize={50}
selectable={false}
customActions={[
{
id: 'drop',
icon: <FaTrashAlt />,
onClick: (row: LegacyTable) => _dropOne(row),
loading: (row: LegacyTable) => dropping === row.id || droppingBatch,
title: t('Tabelle löschen'),
},
]}
hookData={{
refetch,
pagination,
fetchFilterValues,
}}
emptyMessage={t('Keine Legacy-Tabellen gefunden')}
/>
</div>
</div>
);
};
// ---------------------------------------------------------------------------
// Page
// ---------------------------------------------------------------------------
export const AdminDatabaseHealthPage: React.FC = () => {
const { t } = useLanguage();
const tabs = useMemo(() => [
{
id: 'stats',
label: t('Statistiken'),
content: <StatsTab />,
},
{
id: 'orphans',
label: t('Orphan Cleanup'),
content: <OrphansTab />,
},
{
id: 'legacy',
label: t('Legacy Cleanup'),
content: <LegacyCleanupTab />,
},
{
id: 'migration',
label: t('Migration'),
content: <MigrationTab />,
},
], [t]);
return (
<div className={`${styles.adminPage} ${styles.adminPageFill}`}>
<div className={styles.pageHeader}>
<div>
<h1 className={styles.pageTitle}>{t('Datenbank-Gesundheit')}</h1>
<p className={styles.pageSubtitle}>{t('Tabellenstatistiken, verwaiste Datensaetze und Migration')}</p>
</div>
</div>
<Tabs tabs={tabs} defaultTabId="stats" />
</div>
);
};
export default AdminDatabaseHealthPage;