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dukang/apps/mini-user/src/pages/stores/index.tsx
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import { useEffect, useMemo, useRef, useState } from 'react';
import { View, Text, Image, Input } from '@tarojs/components';
import Taro, { useDidShow, usePullDownRefresh, useShareAppMessage, useShareTimeline } from '@tarojs/taro';
import PageShell from '../../components/PageShell';
import TabMainHeader from '../../components/TabMainHeader';
import WechatShareReady from '../../components/WechatShareReady';
import RegionPicker from '../../components/RegionPicker';
import CategoryPicker, {
EMPTY_CATEGORY,
formatCategoryLabel,
type CategorySelection,
type StoreCategoryNode,
} from '../../components/CategoryPicker';
import {
DEFAULT_REGION,
formatRegionLabel,
matchesRegionFilter,
type RegionSelection,
} from '../../lib/region-data';
import UserTabBar, { shouldRenderPageTabBar, syncTabBarSelected } from '../../components/UserTabBar';
import {
getCityCodeForCatalog,
readCachedUserCoords,
resolveUserCity,
toCityWideRegion,
type UserCoords,
} from '../../lib/user-location';
import { FALLBACK_CITY_CODE } from '../../lib/product-images';
import { formatDistanceMeters } from '../../lib/geo';
import { getToken, request, toast } from '../../lib/api';
import {
getStoresListCache,
isStoresSessionBootstrapped,
markStoresSessionBootstrapped,
patchStoresFilterCache,
setStoresListCache,
} from '../../lib/stores-session';
import {
buildSceneSharePayload,
toWeappShareMessage,
toWeappShareTimeline,
} from '../../lib/wechat-share';
import openBadgeImg from '../../assets/icons/store-open-badge.png';
type Store = {
id: string;
name: string;
address?: string;
province?: string;
cityName?: string;
district?: string;
coverUrl?: string | null;
openTime?: string | null;
closeTime?: string | null;
openTime2?: string | null;
closeTime2?: string | null;
avgPrice?: number | null;
status?: string;
categoryId?: string | null;
category?: { id?: string; name?: string; parentId?: string | null } | null;
latitude?: number | string | null;
longitude?: number | string | null;
distanceMeters?: number | null;
};
function makeCityKey(region: Pick<RegionSelection, 'province' | 'city'>): string {
return `${region.province}|${region.city}`;
}
/**
* 定位城市若未开城,接口会 fallback 到郑州 cityCode
* 筛选器必须与真实拉取城市一致,否则列表被客户端滤空。
*/
function regionForCatalogFetch(resolved: {
openCity: boolean;
cityCode?: string;
region: RegionSelection;
}): { cityCode: string; region: RegionSelection } {
const cityCode = getCityCodeForCatalog(resolved);
if (resolved.openCity && resolved.cityCode) {
return { cityCode, region: toCityWideRegion(resolved.region) };
}
return { cityCode: FALLBACK_CITY_CODE, region: toCityWideRegion(DEFAULT_REGION) };
}
export default function StoresPage() {
const cached = getStoresListCache();
const [stores, setStores] = useState<Store[]>(() => (cached?.items as Store[] | undefined) ?? []);
const [loading, setLoading] = useState(() => !cached && !isStoresSessionBootstrapped());
const [keywordInput, setKeywordInput] = useState(() => cached?.keywordInput ?? '');
const [keyword, setKeyword] = useState(() => cached?.keyword ?? '');
const [region, setRegion] = useState<RegionSelection>(
() => cached?.filterRegion ?? cached?.listRegion ?? DEFAULT_REGION,
);
const [regionOpen, setRegionOpen] = useState(false);
const [category, setCategory] = useState<CategorySelection>(
() => cached?.category ?? EMPTY_CATEGORY,
);
const [categoryOpen, setCategoryOpen] = useState(false);
const [categoryTree, setCategoryTree] = useState<StoreCategoryNode[]>([]);
const [locating, setLocating] = useState(false);
const fetchCityKeyRef = useRef<string | null>(cached?.cityKey ?? null);
const fetchSeqRef = useRef(0);
const regionRef = useRef(region);
regionRef.current = region;
const regionLabel = formatRegionLabel(region);
const categoryLabel = formatCategoryLabel(category);
const showBootLoading = loading && stores.length === 0;
const childIdsByParent = useMemo(() => {
const map = new Map<string, string[]>();
for (const root of categoryTree) {
map.set(
root.id,
(root.children ?? []).map((c) => c.id),
);
}
return map;
}, [categoryTree]);
async function fetchStores(
nextCode: string,
coords: UserCoords | null,
cityKey: string,
listRegion: RegionSelection,
/** 写入会话的筛选器;默认保留用户当前选择 */
filterRegion: RegionSelection = regionRef.current,
) {
const seq = ++fetchSeqRef.current;
const qs = new URLSearchParams();
if (nextCode) qs.set('cityCode', nextCode);
if (coords) {
qs.set('lat', String(coords.latitude));
qs.set('lng', String(coords.longitude));
}
const path = qs.toString() ? `/stores?${qs}` : '/stores';
try {
const list = await request<Store[]>(path);
if (seq !== fetchSeqRef.current) return;
const items = Array.isArray(list) ? list : [];
setStores(items);
fetchCityKeyRef.current = cityKey;
const prev = getStoresListCache();
setStoresListCache({
cityKey,
cityCode: nextCode,
authKey: getToken() || '',
listRegion: toCityWideRegion(listRegion),
items,
filterRegion,
keyword: prev?.keyword ?? keyword,
keywordInput: prev?.keywordInput ?? keywordInput,
category: prev?.category ?? category,
});
} catch (e) {
if (seq !== fetchSeqRef.current) return;
toast(e instanceof Error ? e.message : '加载失败');
} finally {
if (seq === fetchSeqRef.current) setLoading(false);
}
}
/**
* 首次进入:弹窗 + 定位 + 拉列表。
* 同次再切回:只同步 tab 选中态(登录态未变)。
* 登录/退出后 token 变化:按缓存失效重新拉列表(白名单)。
*/
useDidShow(() => {
syncTabBarSelected(1);
const authKey = getToken() || '';
const cache = getStoresListCache();
if (isStoresSessionBootstrapped()) {
if (cache && (cache.authKey ?? '') === authKey) {
return;
}
// 登录态变了:保留筛选,重新拉列表
void (async () => {
setLoading(true);
const nextCode = cache?.cityCode || FALLBACK_CITY_CODE;
const listRegion = cache?.listRegion
? {
province: cache.listRegion.province,
city: cache.listRegion.city,
district: cache.listRegion.district || '全部',
}
: regionRef.current;
const nextCityKey = cache?.cityKey || makeCityKey(listRegion);
await fetchStores(
nextCode,
readCachedUserCoords(),
nextCityKey,
listRegion,
regionRef.current,
);
})();
return;
}
markStoresSessionBootstrapped();
void (async () => {
const { confirm } = await Taro.showModal({
title: '获取当前位置',
content: '是否允许获取当前位置来搜索附近门店?拒绝后将按默认城市展示,可下拉刷新重新定位。',
confirmText: '允许',
cancelText: '暂不',
}).catch(() => ({ confirm: false, cancel: true }));
if (confirm) {
setLoading(true);
const resolved = await resolveUserCity(true);
const { cityCode, region: nextRegion } = regionForCatalogFetch(resolved);
const nextCityKey = makeCityKey(nextRegion);
setRegion(nextRegion);
regionRef.current = nextRegion;
await fetchStores(
cityCode,
readCachedUserCoords(),
nextCityKey,
nextRegion,
nextRegion,
);
return;
}
const nextRegion = toCityWideRegion(DEFAULT_REGION);
const nextCityKey = makeCityKey(nextRegion);
setRegion(nextRegion);
regionRef.current = nextRegion;
setLoading(true);
await fetchStores(FALLBACK_CITY_CODE, null, nextCityKey, nextRegion, nextRegion);
})();
});
useEffect(() => {
void request<StoreCategoryNode[]>('/store-categories')
.then((tree) => setCategoryTree(Array.isArray(tree) ? tree : []))
.catch(() => setCategoryTree([]));
}, []);
usePullDownRefresh(() => {
void (async () => {
try {
const resolved = await resolveUserCity(true);
const { cityCode, region: nextRegion } = regionForCatalogFetch(resolved);
const nextCityKey = makeCityKey(nextRegion);
setRegion(nextRegion);
regionRef.current = nextRegion;
if (fetchCityKeyRef.current !== nextCityKey) {
setStores([]);
setLoading(true);
}
await fetchStores(
cityCode,
readCachedUserCoords(),
nextCityKey,
nextRegion,
nextRegion,
);
} catch (e) {
toast(e instanceof Error ? e.message : '加载失败');
setLoading(false);
} finally {
Taro.stopPullDownRefresh();
}
})();
});
function matchesCategory(store: Store): boolean {
if (!category.parentId) return true;
const storeCatId = String(store.categoryId || store.category?.id || '');
const storeParentId = String(store.category?.parentId || '');
if (category.childId) {
return storeCatId === category.childId;
}
if (storeParentId && storeParentId === category.parentId) return true;
const siblings = childIdsByParent.get(category.parentId) ?? [];
return siblings.includes(storeCatId);
}
const filtered = stores.filter((s) => {
if (!matchesRegionFilter(s, region)) return false;
if (!matchesCategory(s)) return false;
if (!keyword.trim()) return true;
const q = keyword.trim();
return s.name.includes(q) || (s.address ?? '').includes(q) || (s.district ?? '').includes(q);
});
function applySearch() {
const next = keywordInput.trim();
setKeyword(next);
patchStoresFilterCache({ keyword: next, keywordInput });
}
function resetFilters() {
setKeywordInput('');
setKeyword('');
setCategory(EMPTY_CATEGORY);
setRegion(DEFAULT_REGION);
regionRef.current = DEFAULT_REGION;
patchStoresFilterCache({
keyword: '',
keywordInput: '',
category: EMPTY_CATEGORY,
filterRegion: DEFAULT_REGION,
});
}
async function locateToUserRegion() {
if (locating) return;
const { confirm } = await Taro.showModal({
title: '获取当前位置',
content: '是否允许获取当前位置,并将筛选定位到您所在的城市与区县?',
confirmText: '允许',
cancelText: '暂不',
}).catch(() => ({ confirm: false, cancel: true }));
if (!confirm) return;
setLocating(true);
setLoading(true);
try {
const resolved = await resolveUserCity(true);
// 筛选器用真实省市+区县;拉数仍按开城 cityCode(未开城则郑州)
const filterRegion = resolved.region;
const { cityCode, region: listRegion } = regionForCatalogFetch(resolved);
const nextCityKey = makeCityKey(listRegion);
setRegion(filterRegion);
regionRef.current = filterRegion;
await fetchStores(
cityCode,
readCachedUserCoords(),
nextCityKey,
listRegion,
filterRegion,
);
toast(`已定位到${formatRegionLabel(filterRegion)}`, 'success');
} catch (e) {
toast(e instanceof Error ? e.message : '定位失败');
setLoading(false);
} finally {
setLocating(false);
}
}
function hoursText(store: Store): string {
const parts: string[] = [];
if (store.openTime && store.closeTime) parts.push(`${store.openTime}-${store.closeTime}`);
if (store.openTime2 && store.closeTime2) parts.push(`${store.openTime2}-${store.closeTime2}`);
if (!parts.length) parts.push('10:00-22:00');
return `营业时间: ${parts.join(' ')}`;
}
const sharePayload = useMemo(
() =>
buildSceneSharePayload('stores', {
path: '/pages/stores/index',
}),
[],
);
useShareAppMessage(() => toWeappShareMessage(sharePayload));
useShareTimeline(() => toWeappShareTimeline(sharePayload));
return (
<PageShell variant="tab" className="store-page no-tab-header">
<WechatShareReady payload={sharePayload} />
<TabMainHeader title="门店" />
<View className="store-filter">
<View className="store-search-row">
<Input
className="store-search-input"
placeholder="搜索门店名称/地址"
value={keywordInput}
confirmType="search"
onInput={(e) => setKeywordInput(e.detail.value)}
onConfirm={applySearch}
/>
<View className="store-search-btn" onClick={applySearch} aria-label="搜索">
<View className="store-search-icon" />
</View>
</View>
<View className="store-filter-row">
<View className="store-filter-chip" onClick={() => setRegionOpen(true)}>
<Text className="store-filter-chip-text">{regionLabel}</Text>
<Text className="store-filter-chip-arrow"></Text>
</View>
<View className="store-filter-chip" onClick={() => setCategoryOpen(true)}>
<Text className="store-filter-chip-text">{categoryLabel}</Text>
<Text className="store-filter-chip-arrow"></Text>
</View>
<View
className="store-filter-icon-btn"
onClick={resetFilters}
aria-label="重置筛选"
>
{/* 小程序 View 伪元素不稳定,用 Text 保证真机可见 */}
<Text className="store-filter-icon-glyph"></Text>
</View>
<View
className={`store-filter-icon-btn${locating ? ' store-filter-icon-btn--busy' : ''}`}
onClick={() => {
void locateToUserRegion();
}}
aria-label="获取当前位置"
>
<Text className="store-filter-icon-glyph"></Text>
</View>
</View>
</View>
<View className="store-list">
{showBootLoading ? <View className="u-empty">加载中…</View> : null}
{!showBootLoading && filtered.length === 0 ? (
<View className="u-empty">暂无营业中门店</View>
) : null}
{!showBootLoading &&
filtered.map((s) => (
<View
key={s.id}
className="store-card"
onClick={() => Taro.navigateTo({ url: `/pages/store-detail/index?id=${s.id}` })}
>
<View className="store-card-cover-wrap">
{s.coverUrl ? (
<Image className="store-card-cover" src={s.coverUrl} mode="aspectFill" />
) : (
<View className="store-card-cover store-card-cover--empty" />
)}
<Image
className="store-card-open-badge"
src={openBadgeImg}
mode="aspectFit"
/>
</View>
<View className="store-card-body">
{/* 第1行:标题(截断无省略号,顶到最右) */}
<View className="store-card-row store-card-row--head">
<Text className="store-card-name">{s.name}</Text>
</View>
{/* 第2行:地址(最多两行)+ 距离 */}
<View className="store-card-row store-card-row--mid">
<Text className="store-card-address" numberOfLines={2}>
{s.address || (s.district ? `${s.district}` : '地址待完善')}
</Text>
<Text className="store-card-distance">
{formatDistanceMeters(s.distanceMeters)}
</Text>
</View>
{/* 第3行:营业时间(同行) */}
<View className="store-card-row store-card-row--hours">
<Text className="store-card-hours">{hoursText(s)}</Text>
</View>
</View>
<Text className="store-card-arrow"></Text>
</View>
))}
</View>
{shouldRenderPageTabBar() ? <UserTabBar selected={1} /> : null}
<RegionPicker
open={regionOpen}
value={region}
levels={3}
onClose={() => setRegionOpen(false)}
onConfirm={(next) => {
setRegion(next);
regionRef.current = next;
patchStoresFilterCache({ filterRegion: next });
}}
/>
<CategoryPicker
open={categoryOpen}
tree={categoryTree}
value={category}
onClose={() => setCategoryOpen(false)}
onConfirm={(next) => {
setCategory(next);
patchStoresFilterCache({ category: next });
}}
/>
</PageShell>
);
}