109 lines
3.3 KiB
JavaScript
109 lines
3.3 KiB
JavaScript
/**
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* 微信订阅消息工具
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* 统一管理订阅消息的请求和状态
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*
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* 服务端记录的是授权登记，不代表微信侧仍有剩余次数。
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*/
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const { api } = require('./request');
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// 统一使用「每日记录提醒」模板，所有操作都通过这个模板通知
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const SUBSCRIBE_TEMPLATES = {
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notify: 'tOaqM_Z6pNSih2pVpaUmP86MgwnDT5ZlwOqd0lgmXP8',
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};
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// 只合并正在进行的授权请求，后续用户点击仍可补充一次性授权。
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let _pendingSubscribe = null;
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/**
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* 请求用户订阅指定模板
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* @param {string|string[]} templateTypes - 模板类型或模板类型数组
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* @returns {Promise<object>} 订阅结果 { templateType: true/false }
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*/
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function requestSubscribe(templateTypes) {
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if (_pendingSubscribe) return _pendingSubscribe;
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const pending = new Promise((resolve, reject) => {
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if (!Array.isArray(templateTypes)) {
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templateTypes = [templateTypes];
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}
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// 获取模板ID列表
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const tmplIds = templateTypes
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.map(type => SUBSCRIBE_TEMPLATES[type])
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.filter(id => id && id !== 'TEMPLATE_ID_');
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if (tmplIds.length === 0) {
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console.warn('[subscribe] 模板ID未配置，请在微信小程序管理后台申请模板后更新');
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resolve({});
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return;
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}
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wx.requestSubscribeMessage({
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tmplIds: tmplIds,
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success: (res) => {
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// 处理每个模板的授权结果
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const results = {};
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templateTypes.forEach((type) => {
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const tmplId = SUBSCRIBE_TEMPLATES[type];
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const status = res[tmplId];
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results[type] = status === 'accept';
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});
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// 将授权结果同步到后端
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syncSubscribeResults(results).then(() => resolve(results), reject);
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},
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fail: (err) => {
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console.error('[subscribe] 请求订阅失败:', err);
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reject(err);
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}
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});
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});
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_pendingSubscribe = pending.finally(() => { _pendingSubscribe = null; });
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return _pendingSubscribe;
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}
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/**
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* 将订阅结果同步到后端
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*/
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function syncSubscribeResults(results) {
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return Promise.all(Object.keys(results).filter(type => results[type]).map(type => {
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return api.subscribeTemplate({template_type:type, template_id:SUBSCRIBE_TEMPLATES[type]}).then(result => {
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if (!result || !result.success) throw new Error('订阅授权保存失败');
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wx.setStorageSync('subscribed_notify', true);
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});
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}));
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}
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// 必须由用户点击直接调用；补充的是当前用户接收TA提醒的次数。
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function requestSubscribeAfterAction(scene) {
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if (wx.getStorageSync('subscribed_notify') === false || !wx.getStorageSync('coupleId')) return Promise.resolve({});
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return requestSubscribe('notify').catch(error => {
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console.warn('[subscribe] 授权或保存失败，下次点击可重试:', error);
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return {};
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});
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}
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/**
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* 获取用户当前的订阅状态
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* 从后端获取
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* @param {boolean} forceRefresh - 保留旧调用参数
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* @returns {Promise<object>} 订阅状态 { template_type: true/false }
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*/
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async function getSubscribeStatus(forceRefresh = false) {
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try {
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const res = await api.mySubscribeTemplates();
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const status = {};
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Object.keys(SUBSCRIBE_TEMPLATES).forEach(type => {
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status[type] = !!res.templates[type];
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});
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return status;
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} catch (e) {
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return {};
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}
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}
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module.exports = {
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requestSubscribe,
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requestSubscribeAfterAction,
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getSubscribeStatus
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};
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