<?php
include "connection.php";

							$cart_quantity = $_POST['cart_quantity'];
							$cart_product = $_POST['product_id'];
							$cart_member = $_POST['member_id'];

							$sql_product_price = "SELECT product_price FROM product WHERE product_id = '".$cart_product."'";
							$result_product_price = mysqli_query($conn,$sql_product_price);
							$row = $result_product_price->fetch_assoc();



							$sql_select = "SELECT * FROM cart WHERE cart_member='$cart_member' AND cart_product = '$cart_product'";
							$result = mysqli_query($conn,$sql_select);
							if(mysqli_num_rows($result) > 0){
								$row = $result->fetch_assoc();
								$cart_quantity_check = $row['cart_quantity'];
								$add_quantity = $cart_quantity + $cart_quantity_check;
								$subTotal = $add_quantity * $row["product_price"];
								$sql = "UPDATE cart SET cart_quantity = '$add_quantity',cart_subTotal = '$subTotal' WHERE cart_member='$cart_member' AND cart_product = '$cart_product'";
								mysqli_query($conn,$sql);
								if($sql){
									echo 1;

								}else{
									echo 2;
								}
							}else{
								$sql = "INSERT INTO cart (cart_product,cart_member,cart_quantity)VALUES('$cart_product','$cart_member','$cart_quantity')";
								mysqli_query($conn,$sql);
								if($sql){
									echo 1;

								}else{
									echo 2;
								}
							}



?>