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import { defineStore } from "pinia";
import {
ApiError,
createApiClient,
createPaymentApi,
type BusinessId,
type PaymentApi,
type Refund,
} from "@plain-journal/foundation";
const apiBaseUrl = import.meta.env.VITE_API_BASE_URL?.trim() ?? "";
export interface RefundAccessContext {
authenticated: boolean;
ownerId: BusinessId | null;
accessToken: string | null;
}
interface ActiveRefundAccess {
ownerId: BusinessId;
accessToken: string;
revision: number;
}
class RefundResponseMismatchError extends Error {
constructor() {
super("Payment 已响应，但返回的退款事实与本次账户或售后记录不一致。");
this.name = "RefundResponseMismatchError";
}
}
function isActiveContext(context: RefundAccessContext): 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 paymentApi(accessToken: string): PaymentApi {
return createPaymentApi(createApiClient({
baseUrl: apiBaseUrl,
timeoutMs: 8000,
tokenProvider: () => accessToken,
}));
}
export const useRefundsStore = defineStore("customer-refunds", () => {
const refunds = ref<Refund[]>([]);
const loadingAfterSaleNo = ref<string | null>(null);
const error = ref<string | null>(null);
const activeOwnerId = ref<BusinessId | null>(null);
let activeAccessToken: string | null = null;
let accessRevision = 0;
let requestRevision = 0;
function synchronizeAccess(context: RefundAccessContext): ActiveRefundAccess | 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;
requestRevision += 1;
loadingAfterSaleNo.value = null;
error.value = null;
Eif (ownerChanged) {
refunds.value = [];
}
}
Iif (!isActiveContext(context)) {
refunds.value = [];
return null;
}
return { ownerId: context.ownerId, accessToken: context.accessToken, revision: accessRevision };
}
function accessIsCurrent(access: ActiveRefundAccess): boolean {
return access.revision === accessRevision
&& access.ownerId === activeOwnerId.value
&& access.accessToken === activeAccessToken;
}
function forAfterSale(afterSaleNo: string): Refund | null {
return refunds.value.find((value) => value.afterSaleNo === afterSaleNo) ?? null;
}
function verifyFact(access: ActiveRefundAccess, value: Refund, afterSaleNo: string) {
if (value.userId !== access.ownerId || value.afterSaleNo !== afterSaleNo) {
throw new RefundResponseMismatchError();
}
}
function upsert(value: Refund) {
const index = refunds.value.findIndex((candidate) => candidate.refundNo === value.refundNo);
if (index >= 0) {
refunds.value[index] = value;
} else {
refunds.value.unshift(value);
}
}
async function loadByAfterSale(
context: RefundAccessContext,
afterSaleNo: string,
silentNotFound = true,
): Promise<Refund | null> {
const access = synchronizeAccess(context);
Iif (!access) {
return null;
}
const currentRevision = ++requestRevision;
loadingAfterSaleNo.value = afterSaleNo;
error.value = null;
try {
const value = await paymentApi(access.accessToken).refundByAfterSale(afterSaleNo);
if (!accessIsCurrent(access) || currentRevision !== requestRevision) {
return null;
}
verifyFact(access, value, afterSaleNo);
upsert(value);
return value;
} catch (cause) {
Iif (!accessIsCurrent(access) || currentRevision !== requestRevision) {
return null;
}
if (silentNotFound && cause instanceof ApiError && cause.status === 404) {
return null;
}
error.value = cause instanceof Error ? cause.message : "退款事实暂时无法读取。";
return null;
} finally {
if (accessIsCurrent(access) && currentRevision === requestRevision) {
loadingAfterSaleNo.value = null;
}
}
}
return {
refunds,
loadingAfterSaleNo,
error,
activeOwnerId,
synchronizeAccess,
forAfterSale,
loadByAfterSale,
};
});
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