feat: multi-module iteration
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@@ -0,0 +1,284 @@
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import Taro from '@tarojs/taro';
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import { getWechatLocationDetailed } from '@dukang/weixin-sdk';
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import { API_BASE, CLIENT_APP, getToken, request } from './api';
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import { DEFAULT_REGION, REGION_ALL, regionFromGeo, type RegionSelection } from './region-data';
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import { FALLBACK_CITY_CODE } from './product-images';
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export const GPS_CITY_STORAGE_KEY = 'dukang_gps_city';
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const USER_COORDS_KEY = 'dukang_user_coords';
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/** 用户拒绝定位后持久化，避免首页/门店每次 useDidShow 再弹授权 */
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const LOCATION_DENIED_KEY = 'dukang_location_denied';
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export type ResolvedUserCity = {
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province: string;
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city: string;
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district: string;
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cityCode?: string;
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cityName?: string;
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openCity: boolean;
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region: RegionSelection;
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displayCity: string;
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};
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export type UserCoords = { latitude: number; longitude: number };
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type GpsCityCache = ResolvedUserCity & { timestamp: number };
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const FALLBACK_CITY: ResolvedUserCity = {
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province: DEFAULT_REGION.province,
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city: DEFAULT_REGION.city,
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district: REGION_ALL,
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cityCode: FALLBACK_CITY_CODE,
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cityName: '郑州市',
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openCity: true,
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region: DEFAULT_REGION,
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displayCity: '郑州市',
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};
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function isLocationDenied(): boolean {
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try {
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return Taro.getStorageSync(LOCATION_DENIED_KEY) === '1';
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} catch {
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return false;
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}
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}
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function markLocationDenied() {
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try {
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Taro.setStorageSync(LOCATION_DENIED_KEY, '1');
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} catch {
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/* ignore */
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}
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}
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function clearLocationDenied() {
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try {
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Taro.removeStorageSync(LOCATION_DENIED_KEY);
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} catch {
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/* ignore */
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}
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}
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function isDenyMessage(errMsg?: string): boolean {
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return /auth deny|authorize|permission|denied|拒绝|用户拒绝|getLocation:fail/i.test(
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errMsg || '',
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);
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}
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function readCache(): GpsCityCache | null {
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try {
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const raw = Taro.getStorageSync(GPS_CITY_STORAGE_KEY);
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if (!raw) return null;
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const parsed = JSON.parse(String(raw)) as GpsCityCache;
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if (Date.now() - parsed.timestamp > 30 * 60 * 1000) return null;
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return parsed;
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} catch {
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return null;
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}
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}
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function writeCache(data: ResolvedUserCity) {
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try {
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Taro.setStorageSync(
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GPS_CITY_STORAGE_KEY,
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JSON.stringify({ ...data, timestamp: Date.now() } satisfies GpsCityCache),
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);
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} catch {
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/* ignore */
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}
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}
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export function writeUserCoords(latitude: number, longitude: number) {
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try {
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Taro.setStorageSync(
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USER_COORDS_KEY,
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JSON.stringify({ latitude, longitude, timestamp: Date.now() }),
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);
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} catch {
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/* ignore */
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}
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}
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export function readCachedUserCoords(): UserCoords | null {
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try {
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const raw = Taro.getStorageSync(USER_COORDS_KEY);
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if (!raw) return null;
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const parsed = JSON.parse(String(raw)) as UserCoords & { timestamp?: number };
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if (parsed.timestamp && Date.now() - parsed.timestamp > 30 * 60 * 1000) return null;
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if (!Number.isFinite(parsed.latitude) || !Number.isFinite(parsed.longitude)) return null;
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return { latitude: parsed.latitude, longitude: parsed.longitude };
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} catch {
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return null;
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}
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}
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/** 门店列表默认用市级全市筛选 */
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export function toCityWideRegion(region: RegionSelection): RegionSelection {
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return {
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province: region.province,
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city: region.city,
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district: REGION_ALL,
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};
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}
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/** 拒绝或失败后写入兜底城市，避免短时间内反复调起定位 */
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function cacheFallbackAndMaybeDeny(denied: boolean) {
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if (denied) markLocationDenied();
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writeCache(FALLBACK_CITY);
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}
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async function reportLocationToServer(payload: {
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latitude?: number;
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longitude?: number;
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sdk: 'jssdk' | 'geolocation';
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status: 'success' | 'fail';
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errMsg?: string;
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}) {
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return request<{
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province?: string;
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city?: string;
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district?: string;
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cityCode?: string;
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cityName?: string;
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openCity?: boolean;
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}>('/common/wechat/location', {
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method: 'POST',
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data: payload,
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});
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}
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function toResolved(data: {
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province?: string;
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city?: string;
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district?: string;
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cityCode?: string;
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cityName?: string;
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openCity?: boolean;
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}): ResolvedUserCity | null {
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if (!data.province || !data.city) return null;
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const region = regionFromGeo(data.province, data.city, data.district);
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const displayCity = data.cityName ?? (data.city.endsWith('市') ? data.city : `${data.city}市`);
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return {
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province: data.province,
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city: data.city,
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district: data.district ?? '',
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cityCode: data.cityCode,
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cityName: data.cityName,
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openCity: !!data.openCity,
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region,
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displayCity,
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};
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}
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async function promptLocationAuthOnce() {
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await Taro.showModal({
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title: '位置授权',
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content: '需要获取您的位置以展示所在城市的商品与门店。拒绝后将默认使用郑州市，不会再次弹窗。',
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confirmText: '知道了',
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showCancel: false,
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}).catch(() => {});
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}
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function getMiniLocation(): Promise<Taro.getLocation.SuccessCallbackResult> {
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return new Promise((resolve, reject) => {
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Taro.getLocation({
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type: 'gcj02',
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success: resolve,
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fail: reject,
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});
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});
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}
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async function resolveViaH5Jssdk(): Promise<ResolvedUserCity | null> {
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const outcome = await getWechatLocationDetailed({
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apiBase: API_BASE,
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clientApp: CLIENT_APP,
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getAccessToken: () => getToken() || null,
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});
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if (!outcome.location) {
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const denied = isDenyMessage(outcome.errMsg);
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await reportLocationToServer({
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sdk: outcome.sdk,
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status: 'fail',
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errMsg: outcome.errMsg,
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}).catch(() => {});
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cacheFallbackAndMaybeDeny(denied);
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return null;
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}
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try {
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writeUserCoords(outcome.location.latitude, outcome.location.longitude);
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const data = await reportLocationToServer({
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latitude: outcome.location.latitude,
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longitude: outcome.location.longitude,
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sdk: outcome.sdk,
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status: 'success',
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});
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const resolved = toResolved(data);
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if (resolved) {
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clearLocationDenied();
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writeCache(resolved);
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}
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return resolved;
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} catch {
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cacheFallbackAndMaybeDeny(false);
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return null;
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}
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}
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/** 获取并解析用户当前城市；失败返回郑州市兜底 */
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export async function resolveUserCity(force = false): Promise<ResolvedUserCity> {
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if (!force) {
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if (isLocationDenied()) {
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const cached = readCache();
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return cached ?? FALLBACK_CITY;
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}
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const cached = readCache();
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if (cached) return cached;
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}
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if (process.env.TARO_ENV === 'h5') {
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const fromJssdk = await resolveViaH5Jssdk();
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return fromJssdk ?? FALLBACK_CITY;
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}
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if (process.env.TARO_ENV !== 'weapp') {
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return FALLBACK_CITY;
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}
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try {
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const loc = await getMiniLocation();
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writeUserCoords(loc.latitude, loc.longitude);
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const data = await reportLocationToServer({
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latitude: loc.latitude,
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longitude: loc.longitude,
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sdk: 'jssdk',
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status: 'success',
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});
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const resolved = toResolved(data);
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if (resolved) {
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clearLocationDenied();
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writeCache(resolved);
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return resolved;
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}
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} catch (err) {
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const errMsg = err instanceof Error ? err.message : String(err);
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const denied = isDenyMessage(errMsg);
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if (denied && !isLocationDenied()) {
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await promptLocationAuthOnce();
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}
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await reportLocationToServer({
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sdk: 'jssdk',
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status: 'fail',
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errMsg: errMsg.slice(0, 200),
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}).catch(() => {});
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cacheFallbackAndMaybeDeny(denied);
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}
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return FALLBACK_CITY;
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}
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export function getCityCodeForCatalog(resolved: ResolvedUserCity): string {
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return resolved.openCity && resolved.cityCode ? resolved.cityCode : FALLBACK_CITY_CODE;
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}
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