Update templates/cart.html

templates/cart.html

@@ -269,16 +269,16 @@
 
             // If checkbox is selected
             if (couponCheckbox.checked) {
-                let selectedCoupon = couponDropdown.value;
-
-                // If no coupon is selected, show error and reset values
-                if (!selectedCoupon) {
-                    alert("Please select a coupon to apply.");
+                let selectedCoupon = couponDropdown.value.trim();
+                if (!selectedCoupon || selectedCoupon.toLowerCase() === "none") {
+                    alert("Please select a valid coupon.");
                     document.getElementById("discountText").innerText = `Discount: $0`;
                     document.getElementById("totalBillText").innerText = `Total Bill: $${subtotal.toFixed(2)}`;
                     return;
                 }
 
+                
+
                 // Apply 10% discount
                 let discount = subtotal * 0.10;
                 let total = subtotal - discount;
@@ -297,10 +297,10 @@
         function proceedToOrder() {
             let couponCheckbox = document.getElementById('couponCheckbox');
             let couponDropdown = document.getElementById('couponDropdown');
-            let selectedCoupon = couponCheckbox.checked ? couponDropdown.value : "";
+            let selectedCoupon = couponCheckbox.checked ? couponDropdown.value.trim() : "";
 
-            if (couponCheckbox.checked && !selectedCoupon) {
-                alert("Please select a coupon before proceeding.");
+            if (couponCheckbox.checked && (!selectedCoupon || selectedCoupon.toLowerCase() === "none")) {
+                alert("Please select a valid coupon before proceeding.");
                 return;
             }