UserDetailPage.tsx
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// User detail page with role assignment.
//
// Displays user info and lets an admin assign/revoke roles in one
// click. The role changes take effect on the user's NEXT login
// (the JWT carries the roles claim from login time).
import { useCallback, useEffect, useState } from 'react'
import { useNavigate, useParams } from 'react-router-dom'
import { identity } from '@/api/client'
import type { Role, User } from '@/types/api'
import { PageHeader } from '@/components/PageHeader'
import { Loading } from '@/components/Loading'
import { ErrorBox } from '@/components/ErrorBox'
export function UserDetailPage() {
const { id = '' } = useParams<{ id: string }>()
const navigate = useNavigate()
const [user, setUser] = useState<User | null>(null)
const [allRoles, setAllRoles] = useState<Role[]>([])
const [userRoleCodes, setUserRoleCodes] = useState<string[]>([])
const [loading, setLoading] = useState(true)
const [acting, setActing] = useState(false)
const [error, setError] = useState<Error | null>(null)
const refresh = useCallback(async () => {
const [u, roles, uRoles] = await Promise.all([
identity.getUser(id),
identity.listRoles(),
identity.getUserRoles(id),
])
setUser(u)
setAllRoles(roles)
setUserRoleCodes(uRoles)
}, [id])
useEffect(() => {
refresh()
.catch((e: unknown) => setError(e instanceof Error ? e : new Error(String(e))))
.finally(() => setLoading(false))
}, [refresh])
const toggle = async (roleCode: string, has: boolean) => {
setActing(true)
setError(null)
try {
if (has) {
await identity.revokeRole(id, roleCode)
} else {
await identity.assignRole(id, roleCode)
}
await refresh()
} catch (e: unknown) {
setError(e instanceof Error ? e : new Error(String(e)))
} finally {
setActing(false)
}
}
if (loading) return <Loading />
if (error && !user) return <ErrorBox error={error} />
if (!user) return <ErrorBox error="User not found" />
return (
<div>
<PageHeader
title={user.displayName}
subtitle={`@${user.username} · ${user.enabled ? 'Active' : 'Disabled'}${user.email ? ' · ' + user.email : ''}`}
actions={
<button className="btn-secondary" onClick={() => navigate('/users')}>
← Back
</button>
}
/>
{error && <ErrorBox error={error} />}
<div className="card p-5 max-w-lg">
<h2 className="mb-3 text-base font-semibold text-slate-800">Roles</h2>
<p className="mb-4 text-xs text-slate-400">
Toggle roles on/off. Changes take effect on the user's next login.
</p>
{allRoles.length === 0 && (
<p className="text-sm text-slate-400">No roles defined yet. Create one on the Roles page.</p>
)}
<div className="space-y-2">
{allRoles.map((role) => {
const has = userRoleCodes.includes(role.code)
return (
<div
key={role.id}
className="flex items-center justify-between rounded-md border border-slate-200 px-3 py-2"
>
<div>
<span className="font-mono text-sm font-medium text-slate-700">{role.code}</span>
<span className="ml-2 text-xs text-slate-400">{role.name}</span>
</div>
<button
className={has ? 'btn-danger text-xs' : 'btn-primary text-xs'}
disabled={acting}
onClick={() => toggle(role.code, has)}
>
{has ? 'Revoke' : 'Assign'}
</button>
</div>
)
})}
</div>
</div>
</div>
)
}