Calculation/app/middleware/wechat_auth.js

'use strict';

module.exports = (options, app) => {
    /**
     * session判断中间件
     *
     * @param {function} next - 中间件继续执行的方法
     * @return {void}
     */
    return async function wechatAuth(ctx, next) {
        try {
            // 判断session
            if (!ctx.session.wechatToken && ctx.query.code) {
                const token = await app.wechat.oauth.getAccessToken(ctx.query.code);
                ctx.session.wechatToken = token.data;
            }
            const wechatToken = ctx.session.wechatToken;
            if (!wechatToken) {
                ctx.redirect('/wx/oauth?redirect_uri=' + encodeURIComponent(ctx.request.headers.referer));
            }
            // 同步系统维护信息
            await ctx.service.maintain.syncMaintainData();
            if (ctx.session === null) {
                throw '系统维护中~';
            }
        } catch (error) {
            console.log(error);
            ctx.body = error;
            return;
        }
        await next();
    };
};