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import { defineStore } from "pinia";
import {
createAnalyticsApi,
createApiClient,
type AnalyticsApi,
type AnalyticsDashboard,
type AnalyticsDailySummary,
type AnalyticsOverviewTotals,
type AnalyticsProductSummary,
type AnalyticsProjectionFreshness,
type BusinessId,
} from "@plain-journal/foundation";
const apiBaseUrl = import.meta.env.VITE_API_BASE_URL?.trim() ?? "";
const PRODUCT_LIMIT = 8;
const MAXIMUM_RANGE_DAYS = 366;
const DAY_MILLISECONDS = 86_400_000;
const COUNT_KEYS = [
"createdOrderCount",
"paymentCount",
"completedOrderCount",
"closedOrderCount",
"afterSaleCount",
"refundCount",
] as const;
const MONEY_KEYS = [
"createdOrderAmount",
"paymentAmount",
"completedOrderAmount",
"afterSaleAmount",
"refundAmount",
] as const;
export interface AdminAnalyticsAccessContext {
authorized: boolean;
operatorId: BusinessId | null;
accessToken: string | null;
}
interface ActiveAccess {
operatorId: BusinessId;
accessToken: string;
revision: number;
api: AnalyticsApi;
}
export class AnalyticsAccessChangedError extends Error {
constructor() {
super("员工账户或会话已切换，旧的运营投影不会写入当前页面。");
this.name = "AnalyticsAccessChangedError";
}
}
export class AnalyticsProjectionContractError extends Error {
constructor(message: string) {
super(message);
this.name = "AnalyticsProjectionContractError";
}
}
function localDate(daysBefore = 0): string {
const value = new Date();
value.setDate(value.getDate() - daysBefore);
const offset = value.getTimezoneOffset() * 60_000;
return new Date(value.getTime() - offset).toISOString().slice(0, 10);
}
function isBusinessId(value: unknown): value is BusinessId {
return typeof value === "string" && /^[0-9]+$/u.test(value);
}
function isDate(value: unknown): value is string {
Iif (typeof value !== "string" || !/^\d{4}-\d{2}-\d{2}$/u.test(value)) {
return false;
}
const timestamp = Date.parse(`${value}T00:00:00Z`);
return Number.isFinite(timestamp)
&& new Date(timestamp).toISOString().slice(0, 10) === value;
}
function dateTimestamp(value: string): number {
return Date.parse(`${value}T00:00:00Z`);
}
function rangeDays(from: string, to: string): number {
return Math.floor(
(dateTimestamp(to) - dateTimestamp(from)) / DAY_MILLISECONDS,
) + 1;
}
function validateRange(from: string, to: string): number {
Iif (!isDate(from) || !isDate(to)) {
throw new AnalyticsProjectionContractError(
"运营统计日期必须使用有效的 YYYY-MM-DD 日历日期。",
);
}
const days = rangeDays(from, to);
if (days < 1) {
throw new AnalyticsProjectionContractError(
"运营统计开始日期不能晚于结束日期。",
);
}
if (days > MAXIMUM_RANGE_DAYS) {
throw new AnalyticsProjectionContractError(
`运营统计单次读取不能超过 ${MAXIMUM_RANGE_DAYS} 天。`,
);
}
return days;
}
function isInstant(value: unknown): value is string {
return typeof value === "string"
&& value.length > 0
&& Number.isFinite(Date.parse(value));
}
function isNonNegativeCount(value: unknown): value is number {
return Number.isSafeInteger(value) && Number(value) >= 0;
}
function isMoney(value: unknown): value is number {
return typeof value === "number"
&& Number.isFinite(value)
&& value >= 0;
}
function validTotals(value: unknown): value is AnalyticsOverviewTotals {
Iif (!value || typeof value !== "object") {
return false;
}
const candidate = value as Partial<AnalyticsOverviewTotals>;
return COUNT_KEYS.every((key) => isNonNegativeCount(candidate[key]))
&& MONEY_KEYS.every((key) => isMoney(candidate[key]))
&& isNonNegativeCount(candidate.uniqueCustomers);
}
function validDailySummary(value: unknown): value is AnalyticsDailySummary {
Iif (!value || typeof value !== "object") {
return false;
}
const candidate = value as Partial<AnalyticsDailySummary>;
return isDate(candidate.businessDate)
&& COUNT_KEYS.every((key) => isNonNegativeCount(candidate[key]))
&& MONEY_KEYS.every((key) => isMoney(candidate[key]))
&& isInstant(candidate.updatedAt);
}
function validProductSummary(
value: unknown,
): value is AnalyticsProductSummary {
Iif (!value || typeof value !== "object") {
return false;
}
const candidate = value as Partial<AnalyticsProductSummary>;
return isBusinessId(candidate.productId)
&& typeof candidate.productTitle === "string"
&& candidate.productTitle.trim().length > 0
&& isNonNegativeCount(candidate.completedOrderCount)
&& isNonNegativeCount(candidate.unitsSold)
&& isMoney(candidate.netRevenue)
&& isNonNegativeCount(candidate.revenueCoveredOrderCount)
&& Number(candidate.revenueCoveredOrderCount)
<= Number(candidate.completedOrderCount);
}
function validFreshness(
value: unknown,
): value is AnalyticsProjectionFreshness {
Iif (!value || typeof value !== "object") {
return false;
}
const candidate = value as Partial<AnalyticsProjectionFreshness>;
return isNonNegativeCount(candidate.sourceEventCount)
&& (
candidate.lastConsumedAt === null
|| isInstant(candidate.lastConsumedAt)
)
&& isInstant(candidate.generatedAt);
}
function validateDashboard(
value: AnalyticsDashboard,
expectedFrom: string,
expectedTo: string,
expectedDays: number,
): AnalyticsDashboard {
Iif (!value || typeof value !== "object") {
throw new AnalyticsProjectionContractError(
"Analytics 运营投影缺少统一对象结构。",
);
}
const candidate = value as Partial<AnalyticsDashboard>;
if (
candidate.from !== expectedFrom
|| candidate.to !== expectedTo
|| !validTotals(candidate.totals)
|| !Array.isArray(candidate.daily)
|| !candidate.daily.every(validDailySummary)
|| candidate.daily.length > expectedDays
|| !Array.isArray(candidate.topProducts)
|| !candidate.topProducts.every(validProductSummary)
|| candidate.topProducts.length > PRODUCT_LIMIT
|| !validFreshness(candidate.freshness)
) {
throw new AnalyticsProjectionContractError(
"Analytics 运营投影与当前日期、计数、金额或字符串身份契约不一致。",
);
}
const dailyDates = candidate.daily.map((summary) => summary.businessDate);
const sortedDailyDates = [...dailyDates].sort();
Iif (
new Set(dailyDates).size !== dailyDates.length
|| dailyDates.some((date) => date < expectedFrom || date > expectedTo)
|| dailyDates.some((date, index) => date !== sortedDailyDates[index])
|| new Set(candidate.topProducts.map((product) => product.productId)).size
!== candidate.topProducts.length
) {
throw new AnalyticsProjectionContractError(
"Analytics 日汇总或商品汇总包含重复、乱序或越界事实。",
);
}
return candidate as AnalyticsDashboard;
}
function isActiveContext(
context: AdminAnalyticsAccessContext,
): context is {
authorized: true;
operatorId: BusinessId;
accessToken: string;
} {
return context.authorized
&& isBusinessId(context.operatorId)
&& typeof context.accessToken === "string"
&& context.accessToken.length > 0;
}
function createApi(accessToken: string): AnalyticsApi {
return createAnalyticsApi(createApiClient({
baseUrl: apiBaseUrl,
timeoutMs: 10000,
tokenProvider: () => accessToken,
}));
}
function errorMessage(cause: unknown): string {
return cause instanceof Error
? cause.message
: "运营统计暂时无法读取。";
}
export const useAdminAnalyticsStore = defineStore("admin-analytics", () => {
const dashboard = ref<AnalyticsDashboard | null>(null);
const range = reactive({
from: localDate(29),
to: localDate(),
});
const loading = ref(false);
const error = ref<string | null>(null);
const refreshedAt = ref<string | null>(null);
const activeOperatorId = ref<BusinessId | null>(null);
let activeAccessToken: string | null = null;
let accessRevision = 0;
let requestRevision = 0;
const hasKnownProjection = computed(() => dashboard.value !== null);
const recentDaily = computed(() =>
dashboard.value?.daily.slice(-7).reverse() ?? []);
function activeAccess(
context: AdminAnalyticsAccessContext,
): ActiveAccess | null {
if (!isActiveContext(context)) {
return null;
}
return {
operatorId: context.operatorId,
accessToken: context.accessToken,
revision: accessRevision,
api: createApi(context.accessToken),
};
}
function accessIsCurrent(access: ActiveAccess): boolean {
return access.revision === accessRevision
&& access.operatorId === activeOperatorId.value
&& access.accessToken === activeAccessToken;
}
function requireCurrent(access: ActiveAccess) {
if (!accessIsCurrent(access)) {
throw new AnalyticsAccessChangedError();
}
}
function synchronizeAccess(context: AdminAnalyticsAccessContext) {
const nextOperatorId = isActiveContext(context) ? context.operatorId : null;
const nextAccessToken = isActiveContext(context) ? context.accessToken : null;
const operatorChanged = activeOperatorId.value !== nextOperatorId;
const accessChanged = operatorChanged || activeAccessToken !== nextAccessToken;
if (!accessChanged) {
return activeAccess(context);
}
activeOperatorId.value = nextOperatorId;
activeAccessToken = nextAccessToken;
accessRevision += 1;
requestRevision += 1;
loading.value = false;
Eif (operatorChanged) {
dashboard.value = null;
error.value = null;
refreshedAt.value = null;
}
return activeAccess(context);
}
async function load(
context: AdminAnalyticsAccessContext,
): Promise<void> {
const access = synchronizeAccess(context);
Iif (!access) {
error.value = "当前会话无权读取平台运营统计。";
return;
}
let expectedDays: number;
try {
expectedDays = validateRange(range.from, range.to);
} catch (cause) {
error.value = errorMessage(cause);
return;
}
const expectedFrom = range.from;
const expectedTo = range.to;
const currentRequest = ++requestRevision;
loading.value = true;
error.value = null;
try {
const value = validateDashboard(
await access.api.overview(
expectedFrom,
expectedTo,
PRODUCT_LIMIT,
),
expectedFrom,
expectedTo,
expectedDays,
);
requireCurrent(access);
if (currentRequest !== requestRevision) {
return;
}
dashboard.value = value;
refreshedAt.value = new Date().toISOString();
} catch (cause) {
if (accessIsCurrent(access) && currentRequest === requestRevision) {
error.value = errorMessage(cause);
}
} finally {
if (accessIsCurrent(access) && currentRequest === requestRevision) {
loading.value = false;
}
}
}
return {
dashboard,
range,
loading,
error,
refreshedAt,
hasKnownProjection,
recentDaily,
synchronizeAccess,
load,
};
});
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