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This commit is contained in:
2026-08-29 20:27:17 +12:00
commit 655e2f8158
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'use client'
import { useEffect, useState } from 'react'
import { useRouter } from 'next/navigation'
import { authFetch, clearToken, getApiBase, getToken } from '../lib/auth'
type DiagnosticCatalogItem = {
key: string
label: string
category: string
description: string
live_safe: boolean
target: string | null
configured: boolean
config_status: string
config_detail: string
}
type DiagnosticResult = {
key: string
label: string
category: string
description: string
target: string | null
live_safe: boolean
configured: boolean
status: string
message: string
detail?: unknown
checked_at?: string
duration_ms?: number
}
type DiagnosticsResponse = {
checks: DiagnosticCatalogItem[]
categories: string[]
generated_at: string
}
type RunDiagnosticsResponse = {
results: DiagnosticResult[]
summary: {
total: number
up: number
down: number
degraded: number
not_configured: number
disabled: number
}
checked_at: string
}
type RunMode = 'safe' | 'all' | 'single'
type AdminDiagnosticsPanelProps = {
embedded?: boolean
}
type DatabaseDiagnosticDetail = {
integrity_check?: string
database_path?: string
database_size_bytes?: number
wal_size_bytes?: number
shm_size_bytes?: number
page_size_bytes?: number
page_count?: number
freelist_pages?: number
allocated_bytes?: number
free_bytes?: number
row_counts?: Record<string, number>
timings_ms?: Record<string, number>
}
const REFRESH_INTERVAL_MS = 30000
const STATUS_LABELS: Record<string, string> = {
idle: 'Ready',
up: 'Up',
down: 'Down',
degraded: 'Degraded',
disabled: 'Disabled',
not_configured: 'Not configured',
}
function formatCheckedAt(value?: string) {
if (!value) return 'Not yet run'
const parsed = new Date(value)
if (Number.isNaN(parsed.getTime())) return value
return parsed.toLocaleString()
}
function formatDuration(value?: number) {
if (typeof value !== 'number' || Number.isNaN(value) || value <= 0) {
return 'Pending'
}
return `${value.toFixed(1)} ms`
}
function statusLabel(status: string) {
return STATUS_LABELS[status] ?? status
}
function formatBytes(value?: number) {
if (typeof value !== 'number' || Number.isNaN(value) || value < 0) {
return '0 B'
}
if (value >= 1024 * 1024 * 1024) {
return `${(value / (1024 * 1024 * 1024)).toFixed(2)} GB`
}
if (value >= 1024 * 1024) {
return `${(value / (1024 * 1024)).toFixed(2)} MB`
}
if (value >= 1024) {
return `${(value / 1024).toFixed(1)} KB`
}
return `${value} B`
}
function formatDetailLabel(value: string) {
return value
.replace(/_/g, ' ')
.replace(/\b\w/g, (character) => character.toUpperCase())
}
function asDatabaseDiagnosticDetail(detail: unknown): DatabaseDiagnosticDetail | null {
if (!detail || typeof detail !== 'object' || Array.isArray(detail)) {
return null
}
return detail as DatabaseDiagnosticDetail
}
function renderDatabaseMetricGroup(title: string, values: Array<[string, string]>) {
if (values.length === 0) {
return null
}
return (
<div className="diagnostic-detail-group">
<h4>{title}</h4>
<div className="diagnostic-detail-grid">
{values.map(([label, value]) => (
<div key={`${title}-${label}`} className="diagnostic-detail-item">
<span>{label}</span>
<strong>{value}</strong>
</div>
))}
</div>
</div>
)
}
export default function AdminDiagnosticsPanel({ embedded = false }: AdminDiagnosticsPanelProps) {
const router = useRouter()
const [loading, setLoading] = useState(true)
const [authorized, setAuthorized] = useState(false)
const [checks, setChecks] = useState<DiagnosticCatalogItem[]>([])
const [resultsByKey, setResultsByKey] = useState<Record<string, DiagnosticResult>>({})
const [runningKeys, setRunningKeys] = useState<string[]>([])
const [autoRefresh, setAutoRefresh] = useState(true)
const [pageError, setPageError] = useState('')
const [lastRunAt, setLastRunAt] = useState<string | null>(null)
const [lastRunMode, setLastRunMode] = useState<RunMode | null>(null)
const [emailRecipient, setEmailRecipient] = useState('')
const liveSafeKeys = checks.filter((check) => check.live_safe).map((check) => check.key)
async function runDiagnostics(keys?: string[], mode: RunMode = 'single') {
const baseUrl = getApiBase()
const effectiveKeys = keys && keys.length > 0 ? keys : checks.map((check) => check.key)
if (effectiveKeys.length === 0) {
return
}
setRunningKeys((current) => Array.from(new Set([...current, ...effectiveKeys])))
setPageError('')
try {
const response = await authFetch(`${baseUrl}/admin/diagnostics/run`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({
keys: effectiveKeys,
...(emailRecipient.trim() ? { recipient_email: emailRecipient.trim() } : {}),
}),
})
if (response.status === 401) {
clearToken()
router.push('/login')
return
}
if (!response.ok) {
const text = await response.text()
throw new Error(text || `Diagnostics run failed: ${response.status}`)
}
const data = (await response.json()) as { status: string } & RunDiagnosticsResponse
const nextResults: Record<string, DiagnosticResult> = {}
for (const result of data.results ?? []) {
nextResults[result.key] = result
}
setResultsByKey((current) => ({ ...current, ...nextResults }))
setLastRunAt(data.checked_at ?? new Date().toISOString())
setLastRunMode(mode)
} catch (error) {
console.error(error)
setPageError(error instanceof Error ? error.message : 'Diagnostics run failed.')
} finally {
setRunningKeys((current) => current.filter((key) => !effectiveKeys.includes(key)))
}
}
useEffect(() => {
let active = true
const loadPage = async () => {
if (!getToken()) {
router.push('/login')
return
}
try {
const baseUrl = getApiBase()
const authResponse = await authFetch(`${baseUrl}/auth/me`)
if (!authResponse.ok) {
if (authResponse.status === 401) {
clearToken()
router.push('/login')
return
}
router.push('/')
return
}
const me = await authResponse.json()
if (!active) return
if (me?.role !== 'admin') {
router.push('/')
return
}
const diagnosticsResponse = await authFetch(`${baseUrl}/admin/diagnostics`)
if (!diagnosticsResponse.ok) {
const text = await diagnosticsResponse.text()
throw new Error(text || `Diagnostics load failed: ${diagnosticsResponse.status}`)
}
const data = (await diagnosticsResponse.json()) as { status: string } & DiagnosticsResponse
if (!active) return
setChecks(data.checks ?? [])
setAuthorized(true)
setLoading(false)
const safeKeys = (data.checks ?? []).filter((check) => check.live_safe).map((check) => check.key)
if (safeKeys.length > 0) {
void runDiagnostics(safeKeys, 'safe')
}
} catch (error) {
console.error(error)
if (!active) return
setPageError(error instanceof Error ? error.message : 'Unable to load diagnostics.')
setLoading(false)
}
}
void loadPage()
return () => {
active = false
}
}, [router])
useEffect(() => {
if (!authorized || !autoRefresh || liveSafeKeys.length === 0) {
return
}
const interval = window.setInterval(() => {
void runDiagnostics(liveSafeKeys, 'safe')
}, REFRESH_INTERVAL_MS)
return () => {
window.clearInterval(interval)
}
}, [authorized, autoRefresh, liveSafeKeys.join('|')])
if (loading) {
return <div className="admin-panel">Loading diagnostics...</div>
}
if (!authorized) {
return null
}
const orderedCategories: string[] = []
for (const check of checks) {
if (!orderedCategories.includes(check.category)) {
orderedCategories.push(check.category)
}
}
const mergedResults = checks.map((check) => {
const result = resultsByKey[check.key]
if (result) {
return result
}
return {
key: check.key,
label: check.label,
category: check.category,
description: check.description,
target: check.target,
live_safe: check.live_safe,
configured: check.configured,
status: check.configured ? 'idle' : check.config_status,
message: check.configured ? 'Ready to test.' : check.config_detail,
checked_at: undefined,
duration_ms: undefined,
} satisfies DiagnosticResult
})
const summary = {
total: mergedResults.length,
up: 0,
down: 0,
degraded: 0,
disabled: 0,
not_configured: 0,
idle: 0,
}
for (const result of mergedResults) {
const key = result.status as keyof typeof summary
if (key in summary) {
summary[key] += 1
}
}
return (
<div className={`diagnostics-page${embedded ? ' diagnostics-page-embedded' : ''}`}>
<div className="admin-panel diagnostics-control-panel">
<div className="diagnostics-control-copy">
<h2>{embedded ? 'Connectivity diagnostics' : 'Control center'}</h2>
<p className="lede">
Use live checks for Magent and service connectivity. Use run all when you want outbound notification
channels to send a real ping through the configured provider.
</p>
</div>
<div className="diagnostics-control-actions">
<label className="diagnostics-email-recipient">
<span>Test email recipient</span>
<input
type="email"
placeholder="Leave blank to use configured sender"
value={emailRecipient}
onChange={(event) => setEmailRecipient(event.target.value)}
/>
</label>
<button
type="button"
className={autoRefresh ? 'is-active' : ''}
onClick={() => setAutoRefresh((current) => !current)}
>
{autoRefresh ? 'Disable auto refresh' : 'Enable auto refresh'}
</button>
<button
type="button"
onClick={() => {
void runDiagnostics(liveSafeKeys, 'safe')
}}
disabled={runningKeys.length > 0 || liveSafeKeys.length === 0}
>
Run live checks
</button>
<button
type="button"
onClick={() => {
void runDiagnostics(undefined, 'all')
}}
disabled={runningKeys.length > 0 || checks.length === 0}
>
Run all tests
</button>
<span className={`small-pill ${autoRefresh ? 'is-positive' : ''}`}>
{autoRefresh ? 'Auto refresh on' : 'Auto refresh off'}
</span>
<span className="small-pill">{lastRunMode ? `Last run: ${lastRunMode}` : 'No run yet'}</span>
</div>
</div>
<div className="admin-panel diagnostics-inline-summary">
<div className="diagnostics-inline-metric">
<span>Total</span>
<strong>{summary.total}</strong>
</div>
<div className="diagnostics-inline-metric">
<span>Up</span>
<strong>{summary.up}</strong>
</div>
<div className="diagnostics-inline-metric">
<span>Degraded</span>
<strong>{summary.degraded}</strong>
</div>
<div className="diagnostics-inline-metric">
<span>Down</span>
<strong>{summary.down}</strong>
</div>
<div className="diagnostics-inline-metric">
<span>Disabled</span>
<strong>{summary.disabled}</strong>
</div>
<div className="diagnostics-inline-metric">
<span>Not configured</span>
<strong>{summary.not_configured}</strong>
</div>
<div className="diagnostics-inline-last-run">
Last completed run: {formatCheckedAt(lastRunAt ?? undefined)}
</div>
</div>
{pageError ? <div className="admin-panel diagnostics-error">{pageError}</div> : null}
{orderedCategories.map((category) => {
const categoryChecks = mergedResults.filter((check) => check.category === category)
return (
<div key={category} className="admin-panel diagnostics-category-panel">
<div className="diagnostics-category-header">
<div>
<h2>{category}</h2>
<p>{category === 'Notifications' ? 'These tests can emit real messages.' : 'Safe live health checks.'}</p>
</div>
<span className="small-pill">{categoryChecks.length} checks</span>
</div>
<div className="diagnostics-grid">
{categoryChecks.map((check) => {
const isRunning = runningKeys.includes(check.key)
return (
<article key={check.key} className={`diagnostic-card diagnostic-card-${check.status}`}>
<div className="diagnostic-card-top">
<div className="diagnostic-card-copy">
<div className="diagnostic-card-title-row">
<h3>{check.label}</h3>
<span className={`system-pill system-pill-${check.status}`}>{statusLabel(check.status)}</span>
</div>
<p>{check.description}</p>
</div>
<button
type="button"
className="system-test"
onClick={() => {
void runDiagnostics([check.key], 'single')
}}
disabled={isRunning}
>
{check.live_safe ? 'Ping' : 'Send test'}
</button>
</div>
<div className="diagnostic-meta-grid">
<div className="diagnostic-meta-item">
<span>Target</span>
<strong>{check.target || 'Not set'}</strong>
</div>
<div className="diagnostic-meta-item">
<span>Latency</span>
<strong>{formatDuration(check.duration_ms)}</strong>
</div>
<div className="diagnostic-meta-item">
<span>Mode</span>
<strong>{check.live_safe ? 'Live safe' : 'Manual only'}</strong>
</div>
<div className="diagnostic-meta-item">
<span>Last checked</span>
<strong>{formatCheckedAt(check.checked_at)}</strong>
</div>
</div>
<div className={`diagnostic-message diagnostic-message-${check.status}`}>
<span className="system-dot" />
<span>{isRunning ? 'Running diagnostic...' : check.message}</span>
</div>
{check.key === 'database'
? (() => {
const detail = asDatabaseDiagnosticDetail(check.detail)
if (!detail) {
return null
}
return (
<div className="diagnostic-detail-panel">
{renderDatabaseMetricGroup('Storage', [
['Database file', formatBytes(detail.database_size_bytes)],
['WAL file', formatBytes(detail.wal_size_bytes)],
['Shared memory', formatBytes(detail.shm_size_bytes)],
['Allocated bytes', formatBytes(detail.allocated_bytes)],
['Free bytes', formatBytes(detail.free_bytes)],
['Page size', formatBytes(detail.page_size_bytes)],
['Page count', `${detail.page_count?.toLocaleString() ?? 0}`],
['Freelist pages', `${detail.freelist_pages?.toLocaleString() ?? 0}`],
])}
{renderDatabaseMetricGroup(
'Tables',
Object.entries(detail.row_counts ?? {}).map(([key, value]) => [
formatDetailLabel(key),
value.toLocaleString(),
]),
)}
{renderDatabaseMetricGroup(
'Timings',
Object.entries(detail.timings_ms ?? {}).map(([key, value]) => [
formatDetailLabel(key),
`${value.toFixed(1)} ms`,
]),
)}
</div>
)
})()
: null}
</article>
)
})}
</div>
</div>
)
})}
</div>
)
}
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'use client'
import type { ReactNode } from 'react'
import AdminSidebar from './AdminSidebar'
type AdminShellProps = {
title: string
subtitle?: string
actions?: ReactNode
rail?: ReactNode
children: ReactNode
}
export default function AdminShell({ title, subtitle, actions, rail, children }: AdminShellProps) {
const hasRail = Boolean(rail)
return (
<div className={`admin-shell ${hasRail ? 'admin-shell--with-rail' : 'admin-shell--no-rail'}`}>
<aside className="admin-shell-nav">
<AdminSidebar />
</aside>
<main className="card admin-card">
<div className="admin-header">
<div>
<span className="section-kicker">Beta stream</span>
<h1>{title}</h1>
{subtitle && <p className="lede">{subtitle}</p>}
</div>
{actions}
</div>
{children}
</main>
{hasRail ? <aside className="admin-shell-rail">{rail}</aside> : null}
</div>
)
}
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'use client'
import { usePathname } from 'next/navigation'
const NAV_GROUPS = [
{
title: 'Operations',
items: [
{ href: '/admin', label: 'Overview' },
{ href: '/', label: 'Health' },
{ href: '/portal/requests', label: 'Request portal' },
{ href: '/admin/issues', label: 'Issue tracking' },
],
},
{
title: 'Services',
items: [
{ href: '/admin/general', label: 'General' },
{ href: '/admin/seerr', label: 'Seerr' },
{ href: '/admin/jellyfin', label: 'Jellyfin' },
{ href: '/admin/sonarr', label: 'Sonarr' },
{ href: '/admin/radarr', label: 'Radarr' },
{ href: '/admin/prowlarr', label: 'Prowlarr' },
{ href: '/admin/qbittorrent', label: 'qBittorrent' },
],
},
{
title: 'Requests',
items: [
{ href: '/admin/requests', label: 'Request sync' },
{ href: '/admin/requests-all', label: 'All requests' },
{ href: '/admin/cache', label: 'Cache Control' },
{ href: '/admin/artwork', label: 'Artwork cache' },
],
},
{
title: 'Admin',
items: [
{ href: '/admin/notifications', label: 'Notifications' },
{ href: '/admin/system', label: 'How it works' },
{ href: '/admin/site', label: 'Site' },
{ href: '/users', label: 'Users' },
{ href: '/admin/invites', label: 'Invite management' },
{ href: '/admin/logs', label: 'Activity log' },
{ href: '/admin/maintenance', label: 'Maintenance' },
],
},
]
export default function AdminSidebar() {
const pathname = usePathname()
return (
<nav className="admin-sidebar">
<div className="admin-sidebar-title">Settings</div>
{NAV_GROUPS.map((group) => (
<div key={group.title} className="admin-nav-group">
<span className="admin-nav-title">{group.title}</span>
<div className="admin-nav-links">
{group.items.map((item) => {
const isActive =
pathname === item.href ||
(item.href !== '/' && pathname.startsWith(item.href))
return (
<a key={item.href} href={item.href} className={isActive ? 'is-active' : ''}>
{item.label}
</a>
)
})}
</div>
</div>
))}
</nav>
)
}
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'use client'
import { useEffect } from 'react'
export default function BrandingFavicon() {
useEffect(() => {
const href = '/api/branding/favicon.ico'
let link = document.querySelector("link[rel='icon']") as HTMLLinkElement | null
if (!link) {
link = document.createElement('link')
link.rel = 'icon'
document.head.appendChild(link)
}
link.href = href
}, [])
return null
}
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'use client'
import { useState } from 'react'
type BrandingLogoProps = {
className?: string
alt?: string
}
export default function BrandingLogo({ className, alt = 'Magent logo' }: BrandingLogoProps) {
const [loaded, setLoaded] = useState(false)
const [failed, setFailed] = useState(false)
return (
<span className={`${className ?? ''} branding-logo-shell`} role="img" aria-label={alt}>
{!failed ? (
<img
className={loaded ? 'is-loaded' : undefined}
src="/api/branding/logo.png"
alt=""
aria-hidden="true"
onLoad={() => setLoaded(true)}
onError={() => setFailed(true)}
/>
) : null}
{!loaded ? (
<svg aria-hidden="true" viewBox="0 0 64 64" focusable="false">
<defs>
<linearGradient id="magentLogoGlow" x1="0" y1="0" x2="1" y2="1">
<stop offset="0%" stopColor="#7ed7ff" />
<stop offset="100%" stopColor="#c6c1ff" />
</linearGradient>
</defs>
<rect width="64" height="64" rx="12" fill="#0b1328" />
<rect x="6" y="6" width="52" height="52" rx="9" fill="#111a33" />
<path
d="M16 48V16h8l8 13 8-13h8v32h-8V30l-8 12-8-12v18h-8z"
fill="url(#magentLogoGlow)"
/>
</svg>
) : null}
</span>
)
}
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'use client'
import { useEffect, useState } from 'react'
import { usePathname } from 'next/navigation'
import { authFetch, clearToken, getApiBase, getToken } from '../lib/auth'
export default function HeaderActions() {
const [signedIn, setSignedIn] = useState(false)
const [role, setRole] = useState<string | null>(null)
const [showRequestsNav, setShowRequestsNav] = useState(true)
const pathname = usePathname()
useEffect(() => {
const token = getToken()
setSignedIn(Boolean(token))
if (!token) {
setShowRequestsNav(true)
return
}
const load = async () => {
try {
const baseUrl = getApiBase()
const [response, siteResponse] = await Promise.all([
authFetch(`${baseUrl}/auth/me`),
fetch(`${baseUrl}/site/public`).catch(() => null),
])
if (!response.ok) {
clearToken()
setSignedIn(false)
setRole(null)
return
}
const data = await response.json()
setRole(data?.role ?? null)
if (siteResponse?.ok) {
const siteData = await siteResponse.json()
setShowRequestsNav(siteData?.navigation?.showRequests !== false)
} else {
setShowRequestsNav(true)
}
} catch (err) {
console.error(err)
setShowRequestsNav(true)
}
}
void load()
}, [])
if (!signedIn) {
return null
}
const roleItems =
role === null
? []
: role === 'admin'
? [
{
href: '/admin',
label: 'Config',
match: (path: string) => path.startsWith('/admin'),
},
]
: [
{
href: '/profile',
label: 'Profile',
match: (path: string) => path.startsWith('/profile') && !path.startsWith('/profile/invites'),
},
{
href: '/profile/invites',
label: 'Invites',
match: (path: string) => path.startsWith('/profile/invites'),
},
]
const commonItems = [
{ href: '/', label: 'Health', match: (path: string) => path === '/' },
...(showRequestsNav
? [
{
href: '/portal/requests',
label: 'Requests',
match: (path: string) => path === '/portal/requests' || path.startsWith('/requests/'),
},
]
: []),
{
href: '/portal/issues',
label: 'Issues',
match: (path: string) => path === '/portal/issues' || path === '/admin/issues',
},
]
const items = [
...commonItems,
...roleItems,
]
return (
<nav className="header-actions" aria-label="Primary">
{items.map((item, index) => {
const active = item.match(pathname)
return (
<a key={item.href} href={item.href} className={active ? 'is-active' : undefined}>
<span aria-hidden="true">{String(index + 1).padStart(2, '0')}</span>
{item.label}
</a>
)
})}
</nav>
)
}
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'use client'
import { useEffect, useState } from 'react'
import { authFetch, clearToken, getApiBase, getToken, logout } from '../lib/auth'
export default function HeaderIdentity() {
const [identity, setIdentity] = useState<{ username: string; role?: string } | null>(null)
const [buildNumber, setBuildNumber] = useState<string | null>(null)
const [open, setOpen] = useState(false)
useEffect(() => {
const token = getToken()
if (!token) {
setIdentity(null)
setBuildNumber(null)
return
}
const load = async () => {
try {
const baseUrl = getApiBase()
const response = await authFetch(`${baseUrl}/auth/me`)
if (!response.ok) {
clearToken()
setIdentity(null)
return
}
const data = await response.json()
if (data?.username) {
setIdentity({ username: data.username, role: data.role })
}
const siteResponse = await fetch(`${baseUrl}/site/public`)
if (siteResponse.ok) {
const siteInfo = await siteResponse.json()
if (siteInfo?.buildNumber) {
setBuildNumber(siteInfo.buildNumber)
}
}
} catch (err) {
console.error(err)
setIdentity(null)
}
}
void load()
}, [])
if (!identity) {
return null
}
const label = `${identity.username}${identity.role ? ` (${identity.role})` : ''}`
const initial = identity.username.slice(0, 1).toUpperCase()
const signOut = async () => {
await logout().catch(() => undefined)
clearToken()
if (typeof window !== 'undefined') {
window.location.href = '/login'
}
}
return (
<div className="signed-in-menu">
<button
type="button"
className="avatar-button"
onClick={() => setOpen((prev) => !prev)}
aria-haspopup="true"
aria-expanded={open}
title={label}
>
{initial}
</button>
{open && (
<div className="signed-in-dropdown">
<div className="signed-in-header">Signed in as {label}</div>
<div className="signed-in-actions">
<a href="/profile" onClick={() => setOpen(false)}>
My profile
</a>
{identity.role === 'admin' ? (
<a href="/admin" onClick={() => setOpen(false)}>
Settings
</a>
) : null}
<a href="/changelog" onClick={() => setOpen(false)}>
Changelog
</a>
<button type="button" className="signed-in-signout" onClick={() => void signOut()}>
Sign out
</button>
</div>
{buildNumber ? <div className="signed-in-build">Build {buildNumber}</div> : null}
</div>
)}
</div>
)
}
+62
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'use client'
import { useEffect, useState } from 'react'
import { authFetch, clearToken, getApiBase, getToken } from '../lib/auth'
type BannerInfo = {
enabled: boolean
message: string
tone?: string
}
type SiteInfo = {
buildNumber?: string
banner?: BannerInfo
}
const buildRequest = () => {
const token = getToken()
const baseUrl = getApiBase()
const url = token ? `${baseUrl}/site/info` : `${baseUrl}/site/public`
const fetcher = token ? authFetch : fetch
return { token, url, fetcher }
}
export default function SiteStatus() {
const [info, setInfo] = useState<SiteInfo | null>(null)
useEffect(() => {
let active = true
const load = async () => {
try {
const { token, url, fetcher } = buildRequest()
const response = await fetcher(url)
if (!response.ok) {
if (response.status === 401 && token) {
clearToken()
}
return
}
const data = await response.json()
if (!active) return
setInfo(data)
} catch (err) {
console.error(err)
}
}
void load()
return () => {
active = false
}
}, [])
const banner = info?.banner
const tone = banner?.tone || 'info'
return (
<>
{banner?.enabled && banner.message ? (
<div className={`site-banner site-banner--${tone}`}>{banner.message}</div>
) : null}
</>
)
}
+59
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'use client'
import { useEffect, useState } from 'react'
const STORAGE_KEY = 'magent_theme'
const getPreferredTheme = () => {
if (typeof window === 'undefined') return 'dark'
const stored = window.localStorage.getItem(STORAGE_KEY)
if (stored === 'light' || stored === 'dark') {
return stored
}
return window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light'
}
const applyTheme = (theme: string) => {
if (typeof document === 'undefined') return
document.documentElement.setAttribute('data-theme', theme)
}
export default function ThemeToggle() {
const [theme, setTheme] = useState<'light' | 'dark'>('dark')
useEffect(() => {
const preferred = getPreferredTheme()
setTheme(preferred)
applyTheme(preferred)
}, [])
const toggle = () => {
const next = theme === 'dark' ? 'light' : 'dark'
setTheme(next)
applyTheme(next)
if (typeof window !== 'undefined') {
window.localStorage.setItem(STORAGE_KEY, next)
}
}
return (
<button
type="button"
className="theme-toggle"
onClick={toggle}
aria-label={theme === 'dark' ? 'Switch to light mode' : 'Switch to dark mode'}
title={theme === 'dark' ? 'Light mode' : 'Dark mode'}
>
{theme === 'dark' ? (
<svg viewBox="0 0 24 24" aria-hidden="true">
<circle cx="12" cy="12" r="4" />
<path d="M12 2v3M12 19v3M4.22 4.22l2.12 2.12M17.66 17.66l2.12 2.12M2 12h3M19 12h3M4.22 19.78l2.12-2.12M17.66 6.34l2.12-2.12" />
</svg>
) : (
<svg viewBox="0 0 24 24" aria-hidden="true">
<path d="M21 14.5A8.5 8.5 0 0 1 9.5 3a8.5 8.5 0 1 0 11.5 11.5z" />
</svg>
)}
</button>
)
}