Update templates/cart.html

templates/cart.html

@@ -569,14 +569,26 @@
 
 
 
+       
         function proceedToOrder() {
             let couponDropdown = document.getElementById('couponDropdown');
-            let selectedCoupon = couponDropdown.value.trim(); // Get selected coupon from the dropdown
     
-            // If no coupon is selected, alert the user
-            if (selectedCoupon === "None" || selectedCoupon === "Null") {
-                alert("Please select a valid coupon before proceeding.");
-                return;
+            // Initialize selectedCoupon to an empty string by default
+            let selectedCoupon = "";
+    
+            // Only proceed if couponDropdown exists
+            if (couponDropdown) {
+                // If the value is not null or undefined, strip the value
+                if (couponDropdown.value != null) {
+                    selectedCoupon = couponDropdown.value.trim();  // safely call .trim() if value is not null
+                } else {
+                    selectedCoupon = "";  // Assign empty string if value is null
+                }
+            }
+
+            // If no coupon is selected or the value is empty, treat it as no coupon
+            if (selectedCoupon === "" || selectedCoupon === "None" || selectedCoupon === "Null") {
+                selectedCoupon = null;  // Treat it as no coupon selected
             }
 
             // Send the selected coupon to the backend for processing
@@ -588,16 +600,17 @@
             .then(response => response.json())
             .then(data => {
                 if (data.success) {
-                    alert(data.message);
+                    alert(data.message); // Success message
                     window.location.href = '/order';  // Redirect to order page
                 } else {
-                    alert(data.error || data.message);
+                    alert(data.error || data.message);  // Handle error message
                 }
             })
             .catch(err => console.error('Error during checkout:', err));
         }
 
 
+
         function calculateSubtotal() {
             let subtotal = 0;
             document.querySelectorAll('.cart-item').forEach(item => {