29 lines
924 B
PHP
29 lines
924 B
PHP
<?php
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session_start();
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require_once 'db/config.php';
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if (isset($_POST['coupon_code']) && !empty($_POST['coupon_code'])) {
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$coupon_code = trim($_POST['coupon_code']);
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$pdo = db();
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$stmt = $pdo->prepare("SELECT * FROM coupons WHERE code = ? AND is_active = 1");
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$stmt->execute([$coupon_code]);
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$coupon = $stmt->fetch(PDO::FETCH_ASSOC);
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if ($coupon) {
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$_SESSION['coupon_id'] = $coupon['id'];
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$_SESSION['coupon_code'] = $coupon['code'];
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$_SESSION['discount_percentage'] = $coupon['discount_percentage'];
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unset($_SESSION['coupon_error']);
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} else {
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$_SESSION['coupon_error'] = "Invalid or expired coupon code.";
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unset($_SESSION['coupon_id']);
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unset($_SESSION['coupon_code']);
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unset($_SESSION['discount_percentage']);
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}
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} else {
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$_SESSION['coupon_error'] = "Please enter a coupon code.";
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}
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header("Location: cart.php");
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exit(); |