update-cart

shop-routes/cart.js

@@ -34,13 +34,6 @@ router.get('/', async (req, res) => {
 
 // เพิ่มสินค้าลงตะกร้า
 router.post('/add', async (req, res) => {
-    console.log("Session User:", req.session.user);
-    console.log("Received Data:", req.body);
-
-    if (!req.session.user) {
-        return res.status(401).send('Unauthorized');
-    }
-
     const { productId, quantity } = req.body;
     try {
         const [[product]] = await pool.query(
@@ -55,12 +48,14 @@ router.post('/add', async (req, res) => {
             return res.status(400).send('สินค้ามีจำนวนไม่เพียงพอ');
         }
 
+        // ตรวจสอบว่าสินค้านี้มีอยู่ในตะกร้าหรือยัง
         const [[existingItem]] = await pool.query(
-            'SELECT id, quantity FROM cart_items WHERE user_id = ? AND product_id = ?',
-            [req.session.user.id, productId]
+            'SELECT id, quantity FROM cart_items WHERE session_id = ? AND product_id = ?',
+            [req.session.id, productId]
         );
 
         if (existingItem) {
+            // อัปเดตจำนวนสินค้า
             const newQuantity = existingItem.quantity + parseInt(quantity);
             if (newQuantity > product.stock) {
                 return res.status(400).send('สินค้ามีจำนวนไม่เพียงพอ');
@@ -70,35 +65,31 @@ router.post('/add', async (req, res) => {
                 [newQuantity, existingItem.id]
             );
         } else {
+            // เพิ่มสินค้าใหม่
             await pool.query(
-                'INSERT INTO cart_items (user_id, product_id, quantity) VALUES (?, ?, ?)',
-                [req.session.user.id, productId, parseInt(quantity)]
+                'INSERT INTO cart_items (session_id, product_id, quantity) VALUES (?, ?, ?)',
+                [req.session.id, productId, parseInt(quantity)]
             );
         }
 
         res.redirect('/cart');
     } catch (error) {
-        console.error("Error adding to cart:", error);
-        res.status(500).send('Error adding to cart.');
+        console.error(error);
+        res.status(500).send('Error adding to cart');
     }
 });
 
-
 // อัพเดทจำนวนสินค้าในตะกร้า
 router.post('/update', async (req, res) => {
     console.log("Received Data:", req.body);
-    if (!req.session.user) {
-        return res.status(401).send('Unauthorized');
-    }
-
     const { cartItemId, quantity } = req.body;
     try {
         const [[cartItem]] = await pool.query(
             `SELECT cart_items.*, products.price, products.stock 
              FROM cart_items 
              JOIN products ON cart_items.product_id = products.id 
-             WHERE cart_items.id = ? AND cart_items.user_id = ?`,
-            [cartItemId, req.session.user.id] // ใช้ user_id
+             WHERE cart_items.id = ? AND cart_items.session_id = ?`,
+            [cartItemId, req.session.id]
         );
 
         if (!cartItem) {
@@ -110,11 +101,11 @@ router.post('/update', async (req, res) => {
         }
 
         await pool.query(
-            'UPDATE cart_items SET quantity = ? WHERE id = ? AND user_id = ?',
-            [parseInt(quantity), cartItemId, req.session.user.id]
+            'UPDATE cart_items SET quantity = ? WHERE id = ? AND session_id = ?',
+            [parseInt(quantity), cartItemId, req.session.id]
         );
 
-        const total = await calculateTotal(req.session.user.id);
+        const total = await calculateTotal(req.session.id);
         res.json({ total });
     } catch (error) {
         console.error(error);
@@ -122,7 +113,6 @@ router.post('/update', async (req, res) => {
     }
 });
 
-
 // ลบสินค้าออกจากตะกร้า
 router.post('/remove', async (req, res) => {
     const { cartItemId } = req.body;

views/product_add.ejs

@@ -16,6 +16,9 @@
         <label>จำนวนสินค้า:</label>
         <input type="number" name="stock" required>
         <br>
+        <label>คำบรรยายสินค้า:</label>
+        <textarea name="description" required><%= product.description %></textarea>
+        <br>
         <label>เลือกไฟล์รูปสินค้า:</label>
         <input type="file" name="image" required>
         <br>