추천기능 controller

client/src/Pages/Payment.js

@@ -303,6 +303,7 @@ function Payment({ match, location }) {
                 <div className="my-1 pt-2 border-top font-weight-bold">
                     결제금액<span className="float-right">{finalPrice + 2500}원</span>
                 </div>
+            </div>
                 <div>
                     <h5 className="font-weight-bold py-3 border-top border-bottom text-center" style={{ background: '#F7F3F3' }}>결제수단</h5>
                     <div className="text-center m-3">
@@ -314,11 +315,6 @@ function Payment({ match, location }) {
                 <div className="text-center">
                     <Button type="button" onClick={paymentCompleted} className="px-5" style={{ background: "#91877F", borderColor: '#91877F' }} block>결제완료</Button>
                 </div>
-                {paymentWay}
-            </div>
-            <div className="text-center">
-                <Button className="px-5" style={{ background: "#91877F", borderColor: '#91877F' }} onClick={paymentCompleted} block>결제완료</Button>
-            </div>
         </Container>
     )
 }

client/src/Pages/Product.js

@@ -25,8 +25,21 @@ function Product({ match, location }) {
             pushOptions()
             // console.log(cart)
         }
+        getRecommend()
     }, [size, color])
 
+    async function getRecommend(){
+        try {
+            const response = await axios.get(`/api/order/recommend?products=${product.id}`)
+            // const response = await axios.post(`/api/order/recommend`,{
+            //     productId: product.id
+            // })
+            console.log(response.data)
+        } catch (error) {
+            catchErrors(error,setError)
+        }
+    }
+
     function handleClick(e) {
         const box = e.target.parentNode.parentNode
         box.style.display = "none"
@@ -142,6 +155,7 @@ function Product({ match, location }) {
 
     return (
         <div>
+            {console.log(product)}
             <style type="text/css">
                 {`
                 .btn {

server/controllers/cart.controller.js

@@ -20,6 +20,7 @@ const changeCart = async (req, res) => {
     console.log(products)
     try {
         const cart = await Cart.findOne({ userId: userId })
+        console.log(cart)
         await Cart.updateOne(
             { _id: cart._id },
             { $set: { products: products } }
@@ -38,7 +39,7 @@ const showCart = async (req, res) => {
             model: 'Product'
         })
         res.status(200).json(cart.products)
-        console.log("cart-products : ", cart.products);
+        console.log("cart-products : ", cart);
     } catch (error) {
         console.log("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx")
         console.log(error)

server/controllers/order.controller.js

 import Order from "../schemas/Order.js";
 import User from "../schemas/User.js";
+import mongoose from 'mongoose'
+import Product from "../schemas/Product.js";
 
 const addorder = async (req, res) => {
     const { userId, products, receiverInfo, total } = req.body
@@ -17,8 +19,8 @@ const addorder = async (req, res) => {
 const Ordered = async (req, res) => {
     const { db } = req.body
     try {
-        const ordered = await req.body.findOne({}, { _id: 0}).select(`${db}`)
-        console.log("sub= ",ordered);
+        const ordered = await req.body.findOne({}, { _id: 0 }).select(`${db}`)
+        console.log("sub= ", ordered);
         res.json(ordered);
     } catch (error) {
         res.status(500).send('카테고리를 불러오지 못했습니다.')
@@ -27,7 +29,7 @@ const Ordered = async (req, res) => {
 
 const showorder = async (req, res) => {
     try {
-        const order = await Order.find({ userId: req.userId }).sort({_id:-1}).limit(1).populate({
+        const order = await Order.find({ userId: req.userId }).sort({ _id: -1 }).limit(1).populate({
             path: 'products.productId',
             model: 'Product'
         })
@@ -54,4 +56,46 @@ const orderById = async (req, res, next, id) => {
     }
 }
 
-export default { addorder, showorder, orderById , Ordered }
\ No newline at end of file
+const recommendPro = async (req, res) => {
+    const productId = req.query.products
+    try {
+        const recommend = await Order.aggregate([
+            {
+                $match: {
+                    'products.productId': mongoose.Types.ObjectId(productId)
+                }
+            },
+            { "$unwind": "$products" },
+            {
+                $group: {
+                    _id: "$products.productId",
+                    count: { $sum: 1 }
+                }
+            }
+        ])
+        console.log('recommend=', recommend)
+        const filteredRecommend = recommend.filter((el) => String(el._id) !== String(productId))
+        console.log('filtering=', filteredRecommend)
+        filteredRecommend.sort(function (a, b) {
+            if (a.count > b.count) {
+                return -1;
+            }
+            if (a.count < b.count) {
+                return 1;
+            }
+            // a must be equal to b
+            return 0;
+        });
+        const array = filteredRecommend.map(async (el) => {
+            const aa = await Product.findById(el._id)
+            return aa
+        })
+        const bb  = await Promise.all(array)
+        res.json(bb)
+    } catch (error) {
+        console.log('error in order ', error)
+    }
+}
+
+
+export default { addorder, showorder, orderById, Ordered, recommendPro }
\ No newline at end of file

server/routes/order.routes.js

@@ -8,6 +8,9 @@ router.route('/addorder')
     .post(orderCtrl.addorder)
 // .get()
 
+router.route('/recommend')
+    .get(orderCtrl.recommendPro)
+
 router.route('/showorder/:userId')
     .get(orderCtrl.showorder)