121 lines
3.8 KiB
JavaScript
121 lines
3.8 KiB
JavaScript
/**
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* 极简全局状态。
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*
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* 替代旧版本在各页面直接读写 wx.getStorageSync 的做法：
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* 统一从内存读、同步落盘，页面只与这里交互。
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*/
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const config = require('../config/index');
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const memory = {
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user: null,
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siteConfig: null,
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entitlements: [],
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};
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const listeners = new Set();
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function notify() {
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listeners.forEach((fn) => {
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try {
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fn();
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} catch (e) {
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console.error('[store] 监听器执行失败', e);
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}
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});
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}
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function read(key, fallback) {
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try {
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const v = wx.getStorageSync(key);
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return v === '' || v === undefined || v === null ? fallback : v;
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} catch (e) {
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return fallback;
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}
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}
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const store = {
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// ── token ────────────────────────────────────────────────────────────
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getToken: () => read(config.STORAGE.TOKEN, ''),
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getRefreshToken: () => read(config.STORAGE.REFRESH_TOKEN, ''),
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setTokens(accessToken, refreshToken) {
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wx.setStorageSync(config.STORAGE.TOKEN, accessToken);
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if (refreshToken) wx.setStorageSync(config.STORAGE.REFRESH_TOKEN, refreshToken);
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},
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clearTokens() {
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wx.removeStorageSync(config.STORAGE.TOKEN);
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wx.removeStorageSync(config.STORAGE.REFRESH_TOKEN);
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},
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isLoggedIn: () => !!read(config.STORAGE.TOKEN, ''),
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// ── 用户 ─────────────────────────────────────────────────────────────
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getUser() {
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if (memory.user) return memory.user;
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memory.user = read(config.STORAGE.USER, null);
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return memory.user;
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},
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setUser(user) {
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memory.user = user;
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wx.setStorageSync(config.STORAGE.USER, user);
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notify();
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},
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// ── 站点配置 ─────────────────────────────────────────────────────────
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getSiteConfig() {
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if (memory.siteConfig) return memory.siteConfig;
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memory.siteConfig = read(config.STORAGE.CONFIG, {});
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return memory.siteConfig;
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},
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setSiteConfig(cfg) {
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memory.siteConfig = cfg || {};
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wx.setStorageSync(config.STORAGE.CONFIG, memory.siteConfig);
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notify();
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},
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/** 取配置项，带兜底值，避免配置缺失时页面直接崩掉。 */
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cfg(key, fallback) {
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const value = store.getSiteConfig()[key];
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return value === undefined || value === '' ? (fallback === undefined ? '' : fallback) : value;
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},
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// ── 已购课程 ─────────────────────────────────────────────────────────
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getEntitlements() {
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if (memory.entitlements && memory.entitlements.length) return memory.entitlements;
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memory.entitlements = read(config.STORAGE.ENTITLEMENTS, []) || [];
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return memory.entitlements;
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},
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setEntitlements(list) {
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memory.entitlements = list || [];
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wx.setStorageSync(config.STORAGE.ENTITLEMENTS, memory.entitlements);
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notify();
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},
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hasCourse(code) {
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return store.getEntitlements().some((item) => item.code === code);
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},
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// ── 订阅与清理 ───────────────────────────────────────────────────────
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subscribe(fn) {
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listeners.add(fn);
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return () => listeners.delete(fn);
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},
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reset() {
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memory.user = null;
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memory.entitlements = [];
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store.clearTokens();
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// 站点配置与登录态无关，保留；否则退出登录后页面文案会退回默认值
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wx.removeStorageSync(config.STORAGE.USER);
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wx.removeStorageSync(config.STORAGE.ENTITLEMENTS);
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notify();
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},
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};
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module.exports = store;
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