feat: 修复BUG

This commit is contained in:
zhang1106
2026-03-16 17:07:20 +08:00
parent 8dcbe9948b
commit e5d20820dc
26 changed files with 2363 additions and 1004 deletions
+681 -48
View File
@@ -1,3 +1,4 @@
import React, { useState, useEffect, useCallback, useRef } from 'react';
import {
Card,
@@ -17,6 +18,11 @@ import {
Typography,
Spin,
Radio,
Table,
Select,
Pagination,
Empty,
Tooltip,
} from 'antd';
import {
ClockCircleOutlined,
@@ -31,11 +37,294 @@ import {
SafetyOutlined,
CloudDownloadOutlined,
FileProtectOutlined,
HistoryOutlined,
EyeOutlined,
ReloadOutlined,
UpOutlined,
DownOutlined,
} from '@ant-design/icons';
import api from '../api';
import { backupAPI } from '../api';
import { useNavigate } from 'react-router-dom';
const { Title, Text, Paragraph } = Typography;
const { Option } = Select;
const TimePicker = ({ hour, minute, onChange, disabled }) => {
const [hourInput, setHourInput] = useState(hour.toString());
const [minuteInput, setMinuteInput] = useState(minute.toString());
useEffect(() => {
setHourInput(hour.toString());
setMinuteInput(minute.toString());
}, [hour, minute]);
const handleHourChange = (newHour) => {
const validHour = Math.max(0, Math.min(23, newHour));
onChange(validHour, minute);
};
const handleMinuteChange = (newMinute) => {
const validMinute = Math.max(0, Math.min(59, newMinute));
onChange(hour, validMinute);
};
const handleHourInputBlur = () => {
const value = parseInt(hourInput);
if (!isNaN(value)) {
handleHourChange(value);
} else {
setHourInput(hour.toString());
}
};
const handleMinuteInputBlur = () => {
const value = parseInt(minuteInput);
if (!isNaN(value)) {
handleMinuteChange(value);
} else {
setMinuteInput(minute.toString());
}
};
const handleHourKeyPress = (e) => {
if (e.key === 'Enter') {
handleHourInputBlur();
}
};
const handleMinuteKeyPress = (e) => {
if (e.key === 'Enter') {
handleMinuteInputBlur();
}
};
const incrementHour = () => handleHourChange(hour + 1);
const decrementHour = () => handleHourChange(hour - 1);
const incrementMinute = () => handleMinuteChange(minute + 1);
const decrementMinute = () => handleMinuteChange(minute - 1);
const timePeriods = [
{ start: 0, end: 5, label: '深夜', icon: '🌙' },
{ start: 6, end: 8, label: '清晨', icon: '🌅' },
{ start: 9, end: 11, label: '上午', icon: '☀️' },
{ start: 12, end: 13, label: '中午', icon: '🌞' },
{ start: 14, end: 17, label: '下午', icon: '🌤️' },
{ start: 18, end: 21, label: '傍晚', icon: '🌇' },
{ start: 22, end: 23, label: '夜晚', icon: '🌙' },
];
const currentPeriod = timePeriods.find(p => hour >= p.start && hour <= p.end);
return (
<div style={{ display: 'flex', flexDirection: 'column', gap: 14 }}>
<div style={{
display: 'flex',
alignItems: 'center',
justifyContent: 'center',
gap: 14,
padding: '18px 24px',
background: disabled ? '#f5f5f5' : 'linear-gradient(135deg, #667eea 0%, #764ba2 100%)',
borderRadius: '14px',
transition: 'all 0.3s ease',
minWidth: 280,
}}>
<div style={{
display: 'flex',
flexDirection: 'column',
alignItems: 'center',
gap: 5,
}}>
<Button
type="text"
icon={<UpOutlined />}
onClick={incrementHour}
disabled={disabled}
style={{
color: disabled ? '#bfbfbf' : '#fff',
fontSize: 15,
height: 30,
width: 56,
padding: 0,
}}
/>
<Input
value={hourInput}
onChange={(e) => setHourInput(e.target.value)}
onBlur={handleHourInputBlur}
onPressEnter={handleHourKeyPress}
disabled={disabled}
maxLength={2}
style={{
width: 66,
height: 48,
fontSize: 30,
fontWeight: 700,
textAlign: 'center',
color: disabled ? '#bfbfbf' : '#fff',
background: disabled ? 'transparent' : 'rgba(255, 255, 255, 0.18)',
border: 'none',
borderRadius: '10px',
fontFamily: "'SF Mono', 'Fira Code', 'Consolas', monospace",
outline: 'none',
boxShadow: 'none',
}}
/>
<Button
type="text"
icon={<DownOutlined />}
onClick={decrementHour}
disabled={disabled}
style={{
color: disabled ? '#bfbfbf' : '#fff',
fontSize: 15,
height: 30,
width: 56,
padding: 0,
}}
/>
<Text style={{
fontSize: 12,
color: disabled ? '#bfbfbf' : 'rgba(255, 255, 255, 0.85)',
marginTop: 3,
}}>
小时
</Text>
</div>
<div style={{
fontSize: 34,
fontWeight: 700,
color: disabled ? '#bfbfbf' : '#fff',
fontFamily: "'SF Mono', 'Fira Code', 'Consolas', monospace",
marginTop: -12,
}}>
:
</div>
<div style={{
display: 'flex',
flexDirection: 'column',
alignItems: 'center',
gap: 5,
}}>
<Button
type="text"
icon={<UpOutlined />}
onClick={incrementMinute}
disabled={disabled}
style={{
color: disabled ? '#bfbfbf' : '#fff',
fontSize: 15,
height: 30,
width: 56,
padding: 0,
}}
/>
<Input
value={minuteInput}
onChange={(e) => setMinuteInput(e.target.value)}
onBlur={handleMinuteInputBlur}
onPressEnter={handleMinuteKeyPress}
disabled={disabled}
maxLength={2}
style={{
width: 66,
height: 48,
fontSize: 30,
fontWeight: 700,
textAlign: 'center',
color: disabled ? '#bfbfbf' : '#fff',
background: disabled ? 'transparent' : 'rgba(255, 255, 255, 0.18)',
border: 'none',
borderRadius: '10px',
fontFamily: "'SF Mono', 'Fira Code', 'Consolas', monospace",
outline: 'none',
boxShadow: 'none',
}}
/>
<Button
type="text"
icon={<DownOutlined />}
onClick={decrementMinute}
disabled={disabled}
style={{
color: disabled ? '#bfbfbf' : '#fff',
fontSize: 15,
height: 30,
width: 56,
padding: 0,
}}
/>
<Text style={{
fontSize: 12,
color: disabled ? '#bfbfbf' : 'rgba(255, 255, 255, 0.85)',
marginTop: 3,
}}>
分钟
</Text>
</div>
</div>
{currentPeriod && (
<div style={{
display: 'flex',
alignItems: 'center',
justifyContent: 'center',
gap: 8,
padding: '10px 20px',
background: disabled ? '#f5f5f5' : '#eff6ff',
borderRadius: '12px',
border: disabled ? '1px solid #f0f0f0' : '1px solid #dbeafe',
}}>
<span style={{ fontSize: 22 }}>{currentPeriod.icon}</span>
<Text style={{
fontSize: 14,
color: disabled ? '#bfbfbf' : '#3b82f6',
fontWeight: 500,
}}>
{currentPeriod.label}
</Text>
</div>
)}
<div style={{ display: 'flex', flexWrap: 'wrap', gap: 8, justifyContent: 'center' }}>
{[
{ hour: 2, minute: 0, label: '凌晨 2:00', recommended: true },
{ hour: 3, minute: 0, label: '凌晨 3:00' },
{ hour: 4, minute: 0, label: '凌晨 4:00', recommended: true },
{ hour: 20, minute: 0, label: '晚上 8:00' },
{ hour: 22, minute: 0, label: '晚上 10:00' },
].map((preset, index) => (
<Button
key={index}
size="small"
onClick={() => !disabled && onChange(preset.hour, preset.minute)}
disabled={disabled}
style={{
borderRadius: '8px',
border: hour === preset.hour && minute === preset.minute
? '1px solid #667eea'
: disabled ? '1px solid #f0f0f0' : '1px solid #e5e7eb',
background: hour === preset.hour && minute === preset.minute
? 'linear-gradient(135deg, #667eea 0%, #764ba2 100%)'
: '#fff',
color: hour === preset.hour && minute === preset.minute
? '#fff'
: disabled ? '#bfbfbf' : '#374151',
fontWeight: preset.recommended ? 600 : 400,
fontSize: 13,
height: 32,
padding: '0 12px',
}}
>
{preset.label}
{preset.recommended && <span style={{ marginLeft: 4, fontSize: 11 }}></span>}
</Button>
))}
</div>
</div>
);
};
const AutoBackupSettings = () => {
const navigate = useNavigate();
@@ -49,14 +338,30 @@ const AutoBackupSettings = () => {
compress: true,
maxCount: 30,
maxAgeDays: 90,
backupType: 'full',
});
const [modified, setModified] = useState(false);
const isInitialMount = useRef(true);
const isFetching = useRef(false);
const [logs, setLogs] = useState([]);
const [logsLoading, setLogsLoading] = useState(false);
const [logsPagination, setLogsPagination] = useState({
current: 1,
pageSize: 10,
total: 0,
});
const [logFilter, setLogFilter] = useState({
logType: '',
status: '',
});
const [logDetailModal, setLogDetailModal] = useState(false);
const [selectedLog, setSelectedLog] = useState(null);
useEffect(() => {
if (isInitialMount.current) {
fetchStatus();
fetchLogs();
isInitialMount.current = false;
}
}, []);
@@ -67,12 +372,11 @@ const AutoBackupSettings = () => {
try {
setLoading(true);
isFetching.current = true;
const response = await api.get('/backup/auto/status');
const response = await backupAPI.getAutoStatus();
if (response?.success) {
const data = response.data;
setStatus(data);
// 解析 Cron 表达式获取小时和分钟
if (data.cronExpression) {
const parts = data.cronExpression.split(' ');
const minute = parseInt(parts[0]);
@@ -87,6 +391,7 @@ const AutoBackupSettings = () => {
compress: data.compress !== undefined ? data.compress : true,
maxCount: data.maxCount || 30,
maxAgeDays: data.maxAgeDays || 90,
backupType: data.backupType || 'full',
}));
}
}
@@ -98,10 +403,34 @@ const AutoBackupSettings = () => {
}
}, []);
const fetchLogs = useCallback(async (page = 1, pageSize = 10) => {
try {
setLogsLoading(true);
const params = { page, pageSize };
if (logFilter.logType) params.logType = logFilter.logType;
if (logFilter.status) params.status = logFilter.status;
const response = await backupAPI.getLogs(params);
if (response?.success) {
setLogs(response.data.logs || []);
setLogsPagination({
current: response.data.page || 1,
pageSize: response.data.pageSize || 10,
total: response.data.total || 0,
});
}
} catch (error) {
console.error('获取备份日志失败:', error);
message.error('获取备份日志失败');
} finally {
setLogsLoading(false);
}
}, [logFilter]);
const handleSave = async () => {
try {
setLoading(true);
const response = await api.post('/backup/auto/settings', {
const response = await backupAPI.updateAutoSettings({
enabled: settings.enabled,
hour: settings.hour,
minute: settings.minute,
@@ -109,12 +438,13 @@ const AutoBackupSettings = () => {
compress: settings.compress,
maxCount: settings.maxCount,
maxAgeDays: settings.maxAgeDays,
backupType: settings.backupType,
});
if (response?.success) {
message.success('自动备份设置已保存');
setModified(false);
// 不需要立即刷新,因为保存成功后状态已经是最新的
fetchStatus();
}
} catch (error) {
message.error('保存失败:' + (error.response?.data?.message || error.message));
@@ -147,14 +477,16 @@ const AutoBackupSettings = () => {
onOk: async () => {
try {
setLoading(true);
const response = await api.post('/backup/auto/execute', {
const response = await backupAPI.executeNow({
description: `手动触发 - ${new Date().toLocaleString('zh-CN')}`,
includeFiles: settings.includeFiles,
compress: settings.compress,
backupType: settings.backupType,
});
if (response?.success) {
message.success('备份执行成功!');
fetchLogs(logsPagination.current, logsPagination.pageSize);
}
} catch (error) {
message.error('执行失败:' + (error.response?.data?.message || error.message));
@@ -180,6 +512,34 @@ const AutoBackupSettings = () => {
});
};
const formatDateTime = (dateTime) => {
if (!dateTime) return '-';
return new Date(dateTime).toLocaleString('zh-CN');
};
const formatDuration = (ms) => {
if (!ms) return '-';
const seconds = Math.floor(ms / 1000);
const minutes = Math.floor(seconds / 60);
const remainingSeconds = seconds % 60;
if (minutes > 0) {
return `${minutes}${remainingSeconds}`;
}
return `${remainingSeconds}`;
};
const formatFileSize = (bytes) => {
if (!bytes) return '-';
const units = ['B', 'KB', 'MB', 'GB'];
let size = bytes;
let unitIndex = 0;
while (size >= 1024 && unitIndex < units.length - 1) {
size /= 1024;
unitIndex++;
}
return `${size.toFixed(2)} ${units[unitIndex]}`;
};
const getStatusColor = () => {
if (!status) return 'default';
if (status.enabled && status.isActive) return 'success';
@@ -194,7 +554,43 @@ const AutoBackupSettings = () => {
return '自动备份已禁用';
};
// 状态卡片组件
const getLogStatusTag = (status) => {
const statusMap = {
pending: { color: 'default', text: '待执行' },
running: { color: 'processing', text: '执行中' },
success: { color: 'success', text: '成功' },
failed: { color: 'error', text: '失败' },
};
const info = statusMap[status] || { color: 'default', text: status };
return <Tag color={info.color}>{info.text}</Tag>;
};
const getLogTypeTag = (type) => {
const typeMap = {
auto: { color: 'blue', text: '自动备份' },
manual: { color: 'green', text: '手动备份' },
};
const info = typeMap[type] || { color: 'default', text: type };
return <Tag color={info.color}>{info.text}</Tag>;
};
const handleLogPageChange = (page, pageSize) => {
fetchLogs(page, pageSize);
};
const handleLogFilterChange = (key, value) => {
setLogFilter(prev => ({ ...prev, [key]: value }));
};
const handleViewLogDetail = (log) => {
setSelectedLog(log);
setLogDetailModal(true);
};
const handleRefreshLogs = () => {
fetchLogs(logsPagination.current, logsPagination.pageSize);
};
const StatusCard = ({ icon, title, value, subtitle, gradient }) => (
<div style={{
padding: '20px',
@@ -219,28 +615,98 @@ const AutoBackupSettings = () => {
</div>
);
// 设置项组件
const SettingItem = ({ title, description, children, bordered = true }) => (
<div style={{
padding: '16px 0',
borderBottom: bordered ? '1px solid #f0f0f0' : 'none',
padding: '20px 0',
borderBottom: bordered ? '1px solid #f5f5f5' : 'none',
}}>
<div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'flex-start', gap: 16 }}>
<div style={{ flex: 1 }}>
<div style={{ fontWeight: 500, fontSize: 14, color: '#1f2937', marginBottom: 4 }}>
<div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center', gap: 24 }}>
<div style={{ flex: 1, minWidth: 0 }}>
<div style={{ fontWeight: 600, fontSize: 15, color: '#1f2937', marginBottom: 6 }}>
{title}
</div>
{description && (
<Paragraph style={{ margin: 0, fontSize: 12, color: '#6b7280', lineHeight: 1.5 }}>
<Paragraph style={{
margin: 0,
fontSize: 13,
color: '#6b7280',
lineHeight: 1.6,
maxWidth: 400,
}}>
{description}
</Paragraph>
)}
</div>
<div style={{ flexShrink: 0 }}>{children}</div>
<div style={{
flexShrink: 0,
display: 'flex',
alignItems: 'center',
justifyContent: 'flex-end',
}}>
{children}
</div>
</div>
</div>
);
const logColumns = [
{
title: '类型',
dataIndex: 'logType',
key: 'logType',
width: 120,
render: (type) => getLogTypeTag(type),
},
{
title: '状态',
dataIndex: 'status',
key: 'status',
width: 100,
render: (status) => getLogStatusTag(status),
},
{
title: '描述',
dataIndex: 'description',
key: 'description',
ellipsis: true,
},
{
title: '文件大小',
dataIndex: 'fileSize',
key: 'fileSize',
width: 120,
render: (size) => formatFileSize(size),
},
{
title: '执行时间',
dataIndex: 'duration',
key: 'duration',
width: 120,
render: (duration) => formatDuration(duration),
},
{
title: '创建时间',
dataIndex: 'createdAt',
key: 'createdAt',
width: 180,
render: (date) => formatDateTime(date),
},
{
title: '操作',
key: 'actions',
width: 100,
render: (_, record) => (
<Tooltip title="查看详情">
<Button
type="text"
icon={<EyeOutlined />}
onClick={() => handleViewLogDetail(record)}
/>
</Tooltip>
),
},
];
if (loading && !status) {
return (
<div style={{
@@ -262,7 +728,6 @@ const AutoBackupSettings = () => {
padding: '24px',
}}>
<div style={{ maxWidth: 1400, margin: '0 auto' }}>
{/* 页面头部 */}
<div style={{ marginBottom: 32 }}>
<Button
icon={<ArrowLeftOutlined />}
@@ -334,7 +799,6 @@ const AutoBackupSettings = () => {
</div>
</div>
{/* 状态概览 */}
<div style={{ marginBottom: 32 }}>
<Title level={4} style={{ margin: '0 0 16px 0', color: '#1f2937', fontWeight: 600 }}>
<ThunderboltOutlined style={{ marginRight: 8 }} />
@@ -378,9 +842,7 @@ const AutoBackupSettings = () => {
</Row>
</div>
{/* 设置卡片 */}
<Row gutter={[24, 24]}>
{/* 基本设置 */}
<Col xs={24} lg={12}>
<Card
title={
@@ -425,37 +887,23 @@ const AutoBackupSettings = () => {
title="备份时间"
description="每天自动执行备份的时间,建议设置在业务低峰期"
>
<Space>
<InputNumber
min={0}
max={23}
value={settings.hour}
onChange={(value) => {
setSettings({ ...settings, hour: value });
setModified(true);
}}
addonAfter="时"
disabled={!settings.enabled}
style={{ width: 100 }}
/>
<InputNumber
min={0}
max={59}
value={settings.minute}
onChange={(value) => {
setSettings({ ...settings, minute: value });
setModified(true);
}}
addonAfter="分"
disabled={!settings.enabled}
style={{ width: 100 }}
/>
</Space>
<TimePicker
hour={settings.hour}
minute={settings.minute}
onChange={(newHour, newMinute) => {
setSettings(prev => ({
...prev,
hour: newHour,
minute: newMinute,
}));
setModified(true);
}}
disabled={!settings.enabled}
/>
</SettingItem>
</Card>
</Col>
{/* 高级设置 */}
<Col xs={24} lg={12}>
<Card
title={
@@ -480,6 +928,23 @@ const AutoBackupSettings = () => {
height: '100%',
}}
>
<SettingItem
title="备份类型"
description="选择全量备份或增量备份。全量备份每次备份完整数据;增量备份仅备份变化数据,节省空间"
>
<Radio.Group
value={settings.backupType}
onChange={(e) => {
setSettings({ ...settings, backupType: e.target.value });
setModified(true);
}}
disabled={!settings.enabled}
>
<Radio value="full">全量备份</Radio>
<Radio value="incremental">增量备份</Radio>
</Radio.Group>
</SettingItem>
<SettingItem
title="包含文件"
description="备份时包含上传的文件(如用户头像等)"
@@ -552,7 +1017,101 @@ const AutoBackupSettings = () => {
</Col>
</Row>
{/* 提示信息 */}
<Card
title={
<Space>
<div style={{
width: 36,
height: 36,
borderRadius: '10px',
background: 'linear-gradient(135deg, #10b981 0%, #34d399 100%)',
display: 'flex',
alignItems: 'center',
justifyContent: 'center',
}}>
<HistoryOutlined style={{ color: '#fff', fontSize: 18 }} />
</div>
<span style={{ fontSize: 16, fontWeight: 600 }}>备份日志</span>
</Space>
}
style={{
borderRadius: '20px',
boxShadow: '0 4px 20px rgba(0, 0, 0, 0.05)',
marginTop: 24,
}}
extra={
<Button
icon={<ReloadOutlined />}
onClick={handleRefreshLogs}
loading={logsLoading}
>
刷新
</Button>
}
>
<div style={{ marginBottom: 16 }}>
<Space>
<Text>类型</Text>
<Select
placeholder="全部类型"
style={{ width: 150 }}
allowClear
value={logFilter.logType || undefined}
onChange={(value) => handleLogFilterChange('logType', value)}
>
<Option value="auto">自动备份</Option>
<Option value="manual">手动备份</Option>
</Select>
<Text>状态</Text>
<Select
placeholder="全部状态"
style={{ width: 150 }}
allowClear
value={logFilter.status || undefined}
onChange={(value) => handleLogFilterChange('status', value)}
>
<Option value="pending">待执行</Option>
<Option value="running">执行中</Option>
<Option value="success">成功</Option>
<Option value="failed">失败</Option>
</Select>
<Button
type="primary"
onClick={() => fetchLogs(1, logsPagination.pageSize)}
>
筛选
</Button>
</Space>
</div>
<Table
columns={logColumns}
dataSource={logs}
rowKey="id"
loading={logsLoading}
pagination={false}
locale={{
emptyText: (
<Empty
image={Empty.PRESENTED_IMAGE_SIMPLE}
description="暂无备份日志"
/>
),
}}
/>
<div style={{ marginTop: 16, textAlign: 'right' }}>
<Pagination
current={logsPagination.current}
pageSize={logsPagination.pageSize}
total={logsPagination.total}
onChange={handleLogPageChange}
showSizeChanger
showTotal={(total) => `${total}`}
/>
</div>
</Card>
<div style={{ marginTop: 24 }}>
<Alert
message={
@@ -601,7 +1160,6 @@ const AutoBackupSettings = () => {
/>
</div>
{/* 安全提示 */}
<div style={{ marginTop: 24 }}>
<Alert
message={
@@ -621,8 +1179,83 @@ const AutoBackupSettings = () => {
/>
</div>
</div>
<Modal
title="备份日志详情"
open={logDetailModal}
onCancel={() => setLogDetailModal(false)}
footer={[
<Button key="close" onClick={() => setLogDetailModal(false)}>
关闭
</Button>
]}
width={700}
>
{selectedLog && (
<Descriptions column={1} bordered>
<Descriptions.Item label="类型">
{getLogTypeTag(selectedLog.logType)}
</Descriptions.Item>
<Descriptions.Item label="状态">
{getLogStatusTag(selectedLog.status)}
</Descriptions.Item>
<Descriptions.Item label="描述">
{selectedLog.description || '-'}
</Descriptions.Item>
<Descriptions.Item label="备份类型">
{selectedLog.backupType === 'full' ? '全量备份' : '增量备份'}
</Descriptions.Item>
<Descriptions.Item label="文件名">
{selectedLog.filename || '-'}
</Descriptions.Item>
<Descriptions.Item label="文件大小">
{formatFileSize(selectedLog.fileSize)}
</Descriptions.Item>
<Descriptions.Item label="包含文件">
{selectedLog.includeFiles ? '是' : '否'}
</Descriptions.Item>
<Descriptions.Item label="压缩">
{selectedLog.compressed ? '是' : '否'}
</Descriptions.Item>
<Descriptions.Item label="开始时间">
{formatDateTime(selectedLog.startTime)}
</Descriptions.Item>
<Descriptions.Item label="结束时间">
{formatDateTime(selectedLog.endTime)}
</Descriptions.Item>
<Descriptions.Item label="执行时长">
{formatDuration(selectedLog.duration)}
</Descriptions.Item>
<Descriptions.Item label="创建时间">
{formatDateTime(selectedLog.createdAt)}
</Descriptions.Item>
{selectedLog.errorMessage && (
<Descriptions.Item label="错误信息">
<Text type="danger">{selectedLog.errorMessage}</Text>
</Descriptions.Item>
)}
{selectedLog.remoteUploads && selectedLog.remoteUploads.length > 0 && (
<Descriptions.Item label="远端上传">
<div>
{selectedLog.remoteUploads.map((upload, index) => (
<div key={index} style={{ marginBottom: 8 }}>
<Tag color={upload.success ? 'success' : 'error'}>
{upload.targetName}
</Tag>
<Text style={{ marginLeft: 8 }}>
{upload.success ? '上传成功' : `失败: ${upload.error}`}
</Text>
</div>
))}
</div>
</Descriptions.Item>
)}
</Descriptions>
)}
</Modal>
</div>
);
};
export default AutoBackupSettings;