usAppApiRequest.ts
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import { buildApiUrl } from './apiBase'
import { clearAuthSession } from './authSession'
const SESSION_EXPIRED_TOAST = 'Session expired. Please sign in again.'
const LOGIN_PATH = '/pages/login/login'
let sessionExpiredHandling = false
/** 已触发登出跳转时抛出，调用方可忽略二次 Toast */
export class UsAppSessionExpiredError extends Error {
constructor(message = 'Unauthorized') {
super(message)
this.name = 'UsAppSessionExpiredError'
}
}
export function isUsAppSessionExpiredError(e: unknown): e is UsAppSessionExpiredError {
return e instanceof UsAppSessionExpiredError
}
function handleSessionExpiredAndGoLogin(): void {
if (sessionExpiredHandling) return
sessionExpiredHandling = true
clearAuthSession()
uni.showToast({
title: SESSION_EXPIRED_TOAST,
icon: 'none',
duration: 2500,
})
setTimeout(() => {
sessionExpiredHandling = false
uni.reLaunch({ url: LOGIN_PATH })
}, 400)
}
/**
* 取出真实业务负载：支持 ABP `result`、以及统一包装 `{ succeeded, data }`
*/
export function unwrapApiPayload<T>(data: unknown): T {
if (data == null || typeof data !== 'object') return data as T
const o = data as Record<string, unknown>
if ('result' in o && o.result !== undefined) {
return o.result as T
}
const payload = o.data ?? o.Data
if (payload !== undefined && payload !== null) {
return payload as T
}
return data as T
}
export function parseApiErrorMessage(data: unknown): string {
if (data == null) return 'Request failed'
if (typeof data === 'string') return data
if (typeof data === 'object') {
const o = data as Record<string, unknown>
const errorsRaw = o.errors ?? o.Errors
if (typeof errorsRaw === 'string' && errorsRaw.trim()) return errorsRaw.trim()
if (Array.isArray(errorsRaw)) {
const parts = errorsRaw.map((x) => String(x)).filter(Boolean)
if (parts.length) return parts.join('; ')
}
const err = o.error as Record<string, unknown> | undefined
if (err && typeof err.message === 'string') return err.message
if (typeof o.message === 'string') return o.message
if (typeof o.error_description === 'string') return o.error_description
}
return 'Request failed'
}
function isBusinessFailurePayload(data: unknown): boolean {
if (data == null || typeof data !== 'object') return false
const o = data as Record<string, unknown>
if (o.succeeded === false || o.Succeeded === false) return true
const inner = o.statusCode ?? o.StatusCode
if (typeof inner === 'number' && inner >= 400) return true
return false
}
/** HTTP 200 但 JSON 内 statusCode 为 401（少数网关/包装） */
function isBodyUnauthorized(data: unknown): boolean {
if (data == null || typeof data !== 'object') return false
const o = data as Record<string, unknown>
const inner = o.statusCode ?? o.StatusCode
return inner === 401
}
export type UsAppApiRequestOptions = {
path: string
method: 'GET' | 'POST' | 'PUT' | 'DELETE'
data?: unknown
auth?: boolean
/** 为 true 时收到 401 不清理会话、不跳转（用于登录等匿名接口） */
skipUnauthorizedRedirect?: boolean
}
/**
* 美国版 App 统一请求：401 时 Toast（英文）+ 清会话 + 回登录页
*/
export function usAppApiRequest<T>(options: UsAppApiRequestOptions): Promise<T> {
const header: Record<string, string> = {
'Content-Type': 'application/json',
Accept: 'application/json',
}
if (options.auth) {
const token = uni.getStorageSync('access_token')
if (token) header.Authorization = `Bearer ${token}`
}
const skipRedirect = !!options.skipUnauthorizedRedirect
return new Promise((resolve, reject) => {
uni.request({
url: buildApiUrl(options.path),
method: options.method,
data: options.data,
header,
success: (res) => {
const status = res.statusCode ?? 0
if (status === 401) {
if (!skipRedirect) {
handleSessionExpiredAndGoLogin()
reject(new UsAppSessionExpiredError(parseApiErrorMessage(res.data) || 'Unauthorized'))
} else {
reject(new Error(parseApiErrorMessage(res.data) || 'Unauthorized'))
}
return
}
if (status >= 400) {
reject(new Error(parseApiErrorMessage(res.data)))
return
}
if (!skipRedirect && isBodyUnauthorized(res.data)) {
handleSessionExpiredAndGoLogin()
reject(new UsAppSessionExpiredError(parseApiErrorMessage(res.data) || 'Unauthorized'))
return
}
if (isBusinessFailurePayload(res.data)) {
reject(new Error(parseApiErrorMessage(res.data)))
return
}
try {
const body = unwrapApiPayload<T>(res.data as unknown)
resolve(body)
} catch {
reject(new Error('Invalid response'))
}
},
fail: (err) => {
reject(new Error(err.errMsg || 'Network error'))
},
})
})
}