c90748124d
Add complete i18n infrastructure using next-intl (cookie-driven, without i18n routing) with zh-CN/en dictionary files, locale switcher, and NextIntlClientProvider in root layout. Add class invitation code system with new class_invitation_codes table, data-access layer (generate/validate/consume/revoke), server actions with permission checks, rate limiting, and audit logging. Add class-invitation-manager UI component. Refactor onboarding stepper to use i18n translations and accept new invitation code format (6-char alphanumeric) with backward compatibility for legacy 6-digit codes.
76 lines
2.2 KiB
TypeScript
76 lines
2.2 KiB
TypeScript
"use client"
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import * as React from "react"
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import { useTransition } from "react"
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import { useLocale, useTranslations } from "next-intl"
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import { Check, Globe } from "lucide-react"
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import { toast } from "sonner"
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import { Button } from "@/shared/components/ui/button"
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import {
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DropdownMenu,
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DropdownMenuContent,
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DropdownMenuItem,
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DropdownMenuTrigger,
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} from "@/shared/components/ui/dropdown-menu"
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import { LOCALES, type Locale } from "@/shared/i18n/locale"
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import { setLocaleAction } from "@/i18n/actions"
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import { cn } from "@/shared/lib/utils"
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/**
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* 语言切换组件（v3 i18n 体系）。
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*
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* 设计：
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* - 不使用 URL 路由段，通过 cookie 持久化用户偏好
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* - 切换时调用 setLocaleAction 写入 cookie + revalidatePath
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* - 用 useTransition 保证切换过程不阻塞 UI
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*/
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export function LocaleSwitcher({ compact = false }: { compact?: boolean }) {
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const locale = useLocale()
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const t = useTranslations("common.locale")
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const [isPending, startTransition] = useTransition()
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function handleSelect(next: Locale) {
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if (next === locale) return
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startTransition(async () => {
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const result = await setLocaleAction(next)
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if (result.success) {
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toast.success(t("switch"))
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} else {
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toast.error(t("switch"))
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}
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})
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}
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return (
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<DropdownMenu>
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<DropdownMenuTrigger asChild>
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<Button
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variant="ghost"
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size={compact ? "icon" : "sm"}
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disabled={isPending}
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aria-label={t("switch")}
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className={cn(compact && "h-9 w-9")}
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>
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<Globe className="h-4 w-4" />
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{!compact ? (
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<span className="ml-1.5 text-sm">{t(locale)}</span>
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) : null}
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</Button>
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</DropdownMenuTrigger>
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<DropdownMenuContent align="end">
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{LOCALES.map((l) => (
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<DropdownMenuItem
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key={l}
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onClick={() => handleSelect(l)}
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className="flex items-center justify-between gap-2"
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>
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<span>{t(l)}</span>
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{l === locale ? <Check className="h-4 w-4" /> : null}
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</DropdownMenuItem>
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))}
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</DropdownMenuContent>
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</DropdownMenu>
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)
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}
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