51 lines
1.3 KiB
JavaScript
51 lines
1.3 KiB
JavaScript
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const express = require('express');
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const router = express.Router();
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const { getDB } = require('../database');
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const { auth } = require('../middleware/auth');
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router.get('/', auth, async (req, res) => {
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try {
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const db = getDB();
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const query = `
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SELECT * FROM coupon_products where remain > 0
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`
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const [coupon] = await db.query(query);
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if (coupon.length === 0) {
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res.json({ error: '暂无优惠券' });
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}
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res.json({coupon, success: true});
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} catch (error) {
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res.status(500).json({ error: '获取优惠券失败' });
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}
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});
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router.get('/:id', auth, async (req, res) => {
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try {
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const userId = req.params.id;
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const db = getDB();
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const query = `
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SELECT * FROM coupon_products where remain > 0
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`
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const [coupon] = await db.query(query);
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if (coupon.length === 0) {
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return res.status(404).json({ error: '暂无优惠券' });
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} else {
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const query = [`
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update coupon_products set remain = remain - 1 where id = ?
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`,`
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insert into coupon_use (user_id, coupon_id, get_time) values (?, ?, now())
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`]
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await db.query(query[0], [coupon[0].id]);
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await db.query(query[1], [userId, coupon[0].id]);
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}
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res.json({coupon, success: true});
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} catch (error) {
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res.status(500).json({ error: '获取优惠券失败' });
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}
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});
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module.exports = router;
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