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import { defineStore } from "pinia";
import {
ApiError,
createApiClient,
createTradeApi,
secureRandomUUID,
type AfterSale,
type BusinessId,
type TradeApi,
} from "@plain-journal/foundation";
const apiBaseUrl = import.meta.env.VITE_API_BASE_URL?.trim() ?? "";
const LEGACY_PENDING_AFTER_SALE_KEY = "plain-journal:pending-after-sale:v1";
const PENDING_AFTER_SALE_KEY_PREFIX = "plain-journal:pending-after-sale:v2:";
export interface AfterSaleAccessContext {
authenticated: boolean;
ownerId: BusinessId | null;
accessToken: string | null;
}
interface ActiveAfterSaleAccess {
ownerId: BusinessId;
accessToken: string;
revision: number;
}
export interface PendingAfterSaleApplication {
key: string;
userId: BusinessId;
orderNo: string;
reason: string;
createdAt: string;
}
class AfterSaleResponseMismatchError extends Error {
constructor() {
super("Trade 已响应，但返回的售后事实与本次账户或请求不一致。");
this.name = "AfterSaleResponseMismatchError";
}
}
function isActiveContext(context: AfterSaleAccessContext): context is {
authenticated: true;
ownerId: BusinessId;
accessToken: string;
} {
return context.authenticated
&& typeof context.ownerId === "string"
&& context.ownerId.length > 0
&& typeof context.accessToken === "string"
&& context.accessToken.length > 0;
}
function pendingKey(ownerId: BusinessId): string {
return `${PENDING_AFTER_SALE_KEY_PREFIX}${ownerId}`;
}
function parsePending(
raw: string | null,
ownerId: BusinessId,
): PendingAfterSaleApplication | null {
Eif (!raw) {
return null;
}
try {
const value: unknown = JSON.parse(raw);
if (
!value
|| typeof value !== "object"
|| !("key" in value)
|| !("userId" in value)
|| !("orderNo" in value)
|| !("reason" in value)
|| !("createdAt" in value)
|| typeof value.key !== "string"
|| value.userId !== ownerId
|| typeof value.orderNo !== "string"
|| value.orderNo.length === 0
|| typeof value.reason !== "string"
|| typeof value.createdAt !== "string"
) {
return null;
}
return value as PendingAfterSaleApplication;
} catch {
return null;
}
}
function loadPending(ownerId: BusinessId): PendingAfterSaleApplication | null {
Iif (typeof localStorage === "undefined") {
return null;
}
const scoped = parsePending(localStorage.getItem(pendingKey(ownerId)), ownerId);
Iif (scoped) {
return scoped;
}
const legacy = parsePending(localStorage.getItem(LEGACY_PENDING_AFTER_SALE_KEY), ownerId);
Iif (legacy) {
localStorage.setItem(pendingKey(ownerId), JSON.stringify(legacy));
localStorage.removeItem(LEGACY_PENDING_AFTER_SALE_KEY);
}
return legacy;
}
function applicationKey(): string {
return `after-sale:${secureRandomUUID()}`;
}
function tradeApi(accessToken: string): TradeApi {
return createTradeApi(createApiClient({
baseUrl: apiBaseUrl,
timeoutMs: 8000,
tokenProvider: () => accessToken,
}));
}
function isUncertain(cause: unknown): boolean {
return cause instanceof ApiError && (
cause.kind === "network"
|| cause.kind === "timeout"
|| cause.kind === "invalid-response"
|| (cause.kind === "http" && (cause.status ?? 500) >= 500)
);
}
function readError(cause: unknown, fallback: string): string {
Iif (cause instanceof ApiError && cause.status === 404) {
return "售后记录不存在，或不属于当前账户。";
}
return cause instanceof Error ? cause.message : fallback;
}
export const useAfterSalesStore = defineStore("customer-after-sales", () => {
const afterSales = ref<AfterSale[]>([]);
const loading = ref(false);
const loadingNo = ref<string | null>(null);
const applyingOrderNo = ref<string | null>(null);
const cancelingNo = ref<string | null>(null);
const error = ref<string | null>(null);
const applicationUnknown = ref(false);
const applicationError = ref<string | null>(null);
const cancellationUnknown = ref(false);
const cancellationError = ref<string | null>(null);
const pendingApplication = ref<PendingAfterSaleApplication | null>(null);
const activeOwnerId = ref<BusinessId | null>(null);
let activeAccessToken: string | null = null;
let accessRevision = 0;
let listRevision = 0;
let detailRevision = 0;
let applicationRevision = 0;
let cancellationRevision = 0;
let activeApplicationPromise: Promise<AfterSale | null> | null = null;
let activeApplicationOrderNo: string | null = null;
let activeApplicationAccessRevision = -1;
let activeCancellationPromise: Promise<AfterSale | null> | null = null;
let activeCancellationNo: string | null = null;
let activeCancellationAccessRevision = -1;
const currentPending = computed(() => pendingApplication.value);
function synchronizeAccess(context: AfterSaleAccessContext): ActiveAfterSaleAccess | null {
const nextOwnerId = isActiveContext(context) ? context.ownerId : null;
const nextAccessToken = isActiveContext(context) ? context.accessToken : null;
const ownerChanged = activeOwnerId.value !== nextOwnerId;
const tokenChanged = activeAccessToken !== nextAccessToken;
if (ownerChanged || tokenChanged) {
activeOwnerId.value = nextOwnerId;
activeAccessToken = nextAccessToken;
accessRevision += 1;
listRevision += 1;
detailRevision += 1;
applicationRevision += 1;
cancellationRevision += 1;
activeApplicationPromise = null;
activeApplicationOrderNo = null;
activeApplicationAccessRevision = -1;
activeCancellationPromise = null;
activeCancellationNo = null;
activeCancellationAccessRevision = -1;
loading.value = false;
loadingNo.value = null;
applyingOrderNo.value = null;
cancelingNo.value = null;
error.value = null;
applicationError.value = null;
cancellationError.value = null;
if (ownerChanged) {
afterSales.value = [];
pendingApplication.value = nextOwnerId ? loadPending(nextOwnerId) : null;
applicationUnknown.value = Boolean(pendingApplication.value);
cancellationUnknown.value = false;
} else Eif (pendingApplication.value) {
applicationUnknown.value = true;
applicationError.value = "会话凭据已经更新，原申请键仍按当前账户保留；请重新查询 Trade 事实。";
}
}
Iif (!isActiveContext(context)) {
afterSales.value = [];
pendingApplication.value = null;
return null;
}
return {
ownerId: context.ownerId,
accessToken: context.accessToken,
revision: accessRevision,
};
}
function accessIsCurrent(access: ActiveAfterSaleAccess): boolean {
return access.revision === accessRevision
&& access.ownerId === activeOwnerId.value
&& access.accessToken === activeAccessToken;
}
function find(afterSaleNo: string): AfterSale | null {
return afterSales.value.find((value) => value.afterSaleNo === afterSaleNo) ?? null;
}
function forOrder(orderNo: string): AfterSale | null {
return afterSales.value.find((value) => value.orderNo === orderNo) ?? null;
}
function verifyFact(
access: ActiveAfterSaleAccess,
value: AfterSale,
expected?: { afterSaleNo?: string; orderNo?: string },
) {
if (
value.userId !== access.ownerId
|| (expected?.afterSaleNo && value.afterSaleNo !== expected.afterSaleNo)
|| (expected?.orderNo && value.orderNo !== expected.orderNo)
) {
throw new AfterSaleResponseMismatchError();
}
}
function sortFacts() {
afterSales.value.sort((left, right) => Date.parse(right.createdAt) - Date.parse(left.createdAt));
}
function upsert(value: AfterSale) {
const index = afterSales.value.findIndex((candidate) =>
candidate.afterSaleNo === value.afterSaleNo || candidate.orderNo === value.orderNo);
if (index >= 0) {
afterSales.value[index] = value;
} else {
afterSales.value.push(value);
}
sortFacts();
}
function persistPending(
access: ActiveAfterSaleAccess,
value: PendingAfterSaleApplication | null,
) {
Iif (!accessIsCurrent(access)) {
return;
}
pendingApplication.value = value;
Iif (typeof localStorage === "undefined") {
return;
}
const key = pendingKey(access.ownerId);
if (value) {
localStorage.setItem(key, JSON.stringify(value));
} else {
localStorage.removeItem(key);
}
}
function completeApplication(access: ActiveAfterSaleAccess, value: AfterSale) {
Iif (!accessIsCurrent(access)) {
return;
}
upsert(value);
if (pendingApplication.value?.orderNo === value.orderNo) {
persistPending(access, null);
}
applicationUnknown.value = false;
applicationError.value = null;
}
async function loadForAccess(access: ActiveAfterSaleAccess): Promise<AfterSale[]> {
const requestRevision = ++listRevision;
loading.value = true;
error.value = null;
try {
const values = await tradeApi(access.accessToken).afterSales();
if (!accessIsCurrent(access) || requestRevision !== listRevision) {
return afterSales.value;
}
for (const value of values) {
verifyFact(access, value);
}
afterSales.value = values;
sortFacts();
const pending = pendingApplication.value;
const recovered = pending ? forOrder(pending.orderNo) : null;
if (recovered) {
completeApplication(access, recovered);
}
return afterSales.value;
} catch (cause) {
Eif (accessIsCurrent(access) && requestRevision === listRevision) {
error.value = readError(cause, "售后列表暂时无法读取。");
}
return afterSales.value;
} finally {
if (accessIsCurrent(access) && requestRevision === listRevision) {
loading.value = false;
}
}
}
async function load(context: AfterSaleAccessContext): Promise<AfterSale[]> {
const access = synchronizeAccess(context);
return access ? loadForAccess(access) : [];
}
async function loadOneForAccess(
access: ActiveAfterSaleAccess,
afterSaleNo: string,
): Promise<AfterSale | null> {
const requestRevision = ++detailRevision;
loadingNo.value = afterSaleNo;
error.value = null;
try {
const value = await tradeApi(access.accessToken).afterSale(afterSaleNo);
Iif (!accessIsCurrent(access) || requestRevision !== detailRevision) {
return null;
}
verifyFact(access, value, { afterSaleNo });
upsert(value);
if (value.status === "CANCELED") {
cancellationUnknown.value = false;
cancellationError.value = null;
}
return value;
} catch (cause) {
if (accessIsCurrent(access) && requestRevision === detailRevision) {
error.value = readError(cause, "售后事实暂时无法读取。");
}
return null;
} finally {
Eif (accessIsCurrent(access) && requestRevision === detailRevision) {
loadingNo.value = null;
}
}
}
async function loadOne(
context: AfterSaleAccessContext,
afterSaleNo: string,
): Promise<AfterSale | null> {
const access = synchronizeAccess(context);
return access ? loadOneForAccess(access, afterSaleNo) : null;
}
function prepare(
access: ActiveAfterSaleAccess,
orderNo: string,
reason: string,
): PendingAfterSaleApplication | null {
const trimmedReason = reason.trim();
Iif (!trimmedReason) {
applicationError.value = "请说明申请整单退货退款的真实原因。";
return null;
}
const existing = pendingApplication.value;
if (existing) {
Iif (existing.orderNo !== orderNo) {
applicationUnknown.value = true;
applicationError.value = "当前账户已有另一笔售后申请结果尚未确认，请先处理原订单。";
return null;
}
return existing;
}
const value: PendingAfterSaleApplication = {
key: applicationKey(),
userId: access.ownerId,
orderNo,
reason: trimmedReason,
createdAt: new Date().toISOString(),
};
persistPending(access, value);
return value;
}
async function recoverApplicationForAccess(
access: ActiveAfterSaleAccess,
orderNo: string,
): Promise<AfterSale | null> {
await loadForAccess(access);
Iif (!accessIsCurrent(access)) {
return null;
}
const recovered = forOrder(orderNo);
if (recovered) {
completeApplication(access, recovered);
}
return recovered;
}
function apply(
context: AfterSaleAccessContext,
orderNo: string,
reason: string,
): Promise<AfterSale | null> {
const access = synchronizeAccess(context);
Iif (!access) {
applicationError.value = "当前会话没有可用于申请售后的顾客事实。";
return Promise.resolve(null);
}
if (
activeApplicationPromise
&& activeApplicationOrderNo === orderNo
&& activeApplicationAccessRevision === access.revision
) {
return activeApplicationPromise;
}
const request = applyForAccess(access, orderNo, reason);
activeApplicationPromise = request;
activeApplicationOrderNo = orderNo;
activeApplicationAccessRevision = access.revision;
const cleanup = () => {
Eif (activeApplicationPromise === request) {
activeApplicationPromise = null;
activeApplicationOrderNo = null;
activeApplicationAccessRevision = -1;
}
};
void request.then(cleanup, cleanup);
return request;
}
async function applyForAccess(
access: ActiveAfterSaleAccess,
orderNo: string,
reason: string,
): Promise<AfterSale | null> {
applicationError.value = null;
const known = forOrder(orderNo);
Iif (known) {
return known;
}
if (pendingApplication.value) {
const recovered = await recoverApplicationForAccess(access, orderNo);
Iif (!accessIsCurrent(access) || recovered) {
return recovered;
}
}
const pending = prepare(access, orderNo, reason);
Iif (!pending) {
return null;
}
const requestRevision = ++applicationRevision;
applyingOrderNo.value = orderNo;
try {
const value = await tradeApi(access.accessToken).applyAfterSale(
pending.orderNo,
pending.reason,
pending.key,
);
Iif (!accessIsCurrent(access) || requestRevision !== applicationRevision) {
return null;
}
verifyFact(access, value, { orderNo });
completeApplication(access, value);
return value;
} catch (cause) {
Iif (!accessIsCurrent(access) || requestRevision !== applicationRevision) {
return null;
}
Eif (isUncertain(cause)) {
const recovered = await recoverApplicationForAccess(access, orderNo);
if (recovered) {
return recovered;
}
applicationUnknown.value = true;
applicationError.value = "售后申请结果尚未确认。原申请键已按当前账户保留，请查询或安全重试。";
return null;
}
if (cause instanceof AfterSaleResponseMismatchError) {
applicationUnknown.value = true;
applicationError.value = cause.message;
return null;
}
persistPending(access, null);
applicationUnknown.value = false;
applicationError.value = cause instanceof Error ? cause.message : "售后申请未完成。";
return null;
} finally {
Eif (accessIsCurrent(access) && requestRevision === applicationRevision) {
applyingOrderNo.value = null;
}
}
}
function cancel(
context: AfterSaleAccessContext,
afterSaleNo: string,
): Promise<AfterSale | null> {
const access = synchronizeAccess(context);
Iif (!access) {
cancellationError.value = "当前会话没有可用于取消售后的顾客事实。";
return Promise.resolve(null);
}
Iif (
activeCancellationPromise
&& activeCancellationNo === afterSaleNo
&& activeCancellationAccessRevision === access.revision
) {
return activeCancellationPromise;
}
const request = cancelForAccess(access, afterSaleNo);
activeCancellationPromise = request;
activeCancellationNo = afterSaleNo;
activeCancellationAccessRevision = access.revision;
const cleanup = () => {
Eif (activeCancellationPromise === request) {
activeCancellationPromise = null;
activeCancellationNo = null;
activeCancellationAccessRevision = -1;
}
};
void request.then(cleanup, cleanup);
return request;
}
async function cancelForAccess(
access: ActiveAfterSaleAccess,
afterSaleNo: string,
): Promise<AfterSale | null> {
cancellationError.value = null;
let current = find(afterSaleNo);
if (!current) {
current = await loadOneForAccess(access, afterSaleNo);
}
Iif (!accessIsCurrent(access) || !current) {
return null;
}
Iif (current.status === "CANCELED") {
cancellationUnknown.value = false;
return current;
}
Iif (current.status !== "APPLIED") {
cancellationUnknown.value = false;
cancellationError.value = `售后当前为 ${current.status}，不能取消已经推进的退货或退款。`;
return current;
}
const requestRevision = ++cancellationRevision;
cancelingNo.value = afterSaleNo;
try {
const value = await tradeApi(access.accessToken).cancelAfterSale(afterSaleNo);
Iif (!accessIsCurrent(access) || requestRevision !== cancellationRevision) {
return null;
}
verifyFact(access, value, { afterSaleNo });
upsert(value);
cancellationUnknown.value = value.status !== "CANCELED";
cancellationError.value = value.status === "CANCELED"
? null
: "取消接口已响应，但 Trade 尚未返回 CANCELED；请继续查询售后事实。";
return value;
} catch (cause) {
Iif (!accessIsCurrent(access) || requestRevision !== cancellationRevision) {
return null;
}
Eif (isUncertain(cause)) {
const recovered = await loadOneForAccess(access, afterSaleNo);
if (recovered?.status === "CANCELED") {
cancellationUnknown.value = false;
cancellationError.value = null;
return recovered;
}
cancellationUnknown.value = true;
cancellationError.value = "取消售后结果尚未确认，请查询 Trade 事实后再决定是否重试。";
return recovered;
}
cancellationUnknown.value = false;
cancellationError.value = cause instanceof Error ? cause.message : "取消售后未完成。";
return null;
} finally {
Eif (accessIsCurrent(access) && requestRevision === cancellationRevision) {
cancelingNo.value = null;
}
}
}
return {
afterSales,
loading,
loadingNo,
applyingOrderNo,
cancelingNo,
error,
applicationUnknown,
applicationError,
cancellationUnknown,
cancellationError,
pendingApplication,
currentPending,
activeOwnerId,
synchronizeAccess,
find,
forOrder,
load,
loadOne,
apply,
cancel,
};
});
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