Developer
102 lines
2.8 KiB
JavaScript
102 lines
2.8 KiB
JavaScript
const axios = require('axios');
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let accessTokenCache = {
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token: null,
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expiresAt: null
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};
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class WechatSubscribeService {
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static async getAccessToken() {
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const now = Date.now();
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if (accessTokenCache.token && accessTokenCache.expiresAt && now < accessTokenCache.expiresAt) {
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return accessTokenCache.token;
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}
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const appId = process.env.WECHAT_APPID;
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const appSecret = process.env.WECHAT_APPSECRET;
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const url = `https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=${appId}&secret=${appSecret}`;
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try {
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const response = await axios.get(url);
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const { access_token, expires_in } = response.data;
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accessTokenCache = {
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token: access_token,
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expiresAt: now + (expires_in - 300) * 1000
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};
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return access_token;
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} catch (error) {
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console.error('获取微信 access_token 失败:', error.response?.data || error.message);
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throw new Error('获取微信 access_token 失败');
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}
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}
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static async sendSubscribeMessage({ touser, templateId, page, data }) {
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const accessToken = await this.getAccessToken();
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const url = `https://api.weixin.qq.com/cgi-bin/message/subscribe/send?access_token=${accessToken}`;
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const requestData = {
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touser,
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template_id: templateId,
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page: page || 'pages/index/index',
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data
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};
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try {
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const response = await axios.post(url, requestData);
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if (response.data.errcode === 0) {
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return { success: true, messageId: response.data.msgid };
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} else {
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console.error('发送订阅消息失败:', response.data);
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return {
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success: false,
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errcode: response.data.errcode,
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errmsg: response.data.errmsg
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};
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}
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} catch (error) {
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console.error('发送订阅消息异常:', error.response?.data || error.message);
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return { success: false, errmsg: error.message };
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}
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}
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static async sendVersionUpdateMessage({ openid, templateId, character_string1, thing3, thing6 }) {
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const data = {
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character_string1: { value: character_string1 },
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thing3: { value: thing3 }
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};
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if (thing6) {
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data.thing6 = { value: thing6 };
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}
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return this.sendSubscribeMessage({
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touser: openid,
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templateId,
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page: 'pages/index/index',
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data
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});
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}
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static async sendExpiryReminderMessage({ openid, templateId, thing1, thing2, phrase3 }) {
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const data = {
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thing1: { value: thing1 },
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thing2: { value: thing2 },
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phrase3: { value: phrase3 }
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};
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return this.sendSubscribeMessage({
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touser: openid,
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templateId,
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page: 'pages/profile/profile',
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data
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});
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}
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}
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module.exports = WechatSubscribeService;
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