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78 lines
2.0 KiB
TypeScript
78 lines
2.0 KiB
TypeScript
import { $fetch } from 'ofetch'
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import type { SubscriptionStatus } from '~/app/types'
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type RuntimeConfig = ReturnType<typeof useRuntimeConfig>
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// 服务端缓存：租户 → 订阅状态
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const subscriptionCache = new Map<string, { data: SubscriptionStatus; expireAt: number }>()
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/**
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* 查询应用订阅状态
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* 带缓存，避免每次请求都调用后端
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*/
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export async function getSubscriptionStatus(
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tenantId: string,
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appId: string,
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config: RuntimeConfig
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): Promise<SubscriptionStatus> {
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const cacheKey = `${tenantId}:${appId}`
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const now = Date.now()
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const cacheTtl = (config.subscriptionCacheTtl || 60) * 1000
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// 检查缓存
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const cached = subscriptionCache.get(cacheKey)
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if (cached && cached.expireAt > now) {
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return cached.data
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}
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// 查询后端
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const appApiBase = config.public.appApiBase as string
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const defaultResult: SubscriptionStatus = {
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subscribed: true,
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status: 'active',
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expired: false
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}
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try {
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const res = await $fetch<{ code?: number; data?: SubscriptionStatus }>('/subscription/check', {
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baseURL: `${appApiBase}/api/app`,
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headers: { TenantId: tenantId },
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query: { appId },
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timeout: 5000,
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retry: 1
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})
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const data = res.data || res
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const result: SubscriptionStatus = {
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subscribed: data.subscribed ?? true,
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status: data.status || 'active',
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expireTime: data.expireTime,
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startTime: data.startTime,
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expired: data.expired ?? false,
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subscriptionId: data.subscriptionId,
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productId: data.productId,
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productName: data.productName
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}
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// 写入缓存
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subscriptionCache.set(cacheKey, { data: result, expireAt: now + cacheTtl })
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return result
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} catch {
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// 接口异常时降级：允许访问（避免后端故障导致所有站点不可用）
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return defaultResult
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}
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}
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/**
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* 清除订阅缓存
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*/
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export function clearSubscriptionCache(tenantId?: string, appId?: string) {
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if (tenantId && appId) {
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subscriptionCache.delete(`${tenantId}:${appId}`)
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} else {
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subscriptionCache.clear()
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}
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}
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