新增优惠卷管理和图片上传

routes/coupon.js

@@ -68,4 +68,37 @@ router.get('/:id', async (req, res) => {
   }
 });
 
+router.get('/user/:id', async (req, res) => {
+  try {
+    const db = getDB();
+    const userId = req.params.id;
+
+    const query = `
+      SELECT * FROM coupon_use WHERE user_id = ?
+    `
+    const [coupon] = await db.query(query, [userId]);
+
+    for (const item of coupon) {
+      const query = `
+        SELECT * FROM coupon_products WHERE id = ?
+      `
+      const [couponInfo] = await db.query(query, [item.coupon_id]);
+      item.couponInfo = couponInfo[0];
+      item.couponInfo.products = [];
+      for (const product of item.couponInfo.products_id) {
+        const query = `
+          SELECT name FROM products WHERE id = ?
+        `
+        const [productInfo] = await db.query(query, [product]);
+        item.couponInfo.products.push(productInfo[0]);
+      }
+    }
+    
+    res.json({success: true, coupon});
+  } catch (error) {
+    console.log(error);
+    res.status(500).json({ error: '加载优惠券失败' });
+  }
+})
+
 module.exports = router;