61 lines
1.8 KiB
PHP
61 lines
1.8 KiB
PHP
<?php
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require_once '../db/config.php';
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require_once '../stripe/config.php'; // for $subscriptions
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header('Content-Type: application/json');
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$data = json_decode(file_get_contents('php://input'), true);
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$coupon_code = $data['coupon_code'] ?? null;
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$plan_id = $data['plan_id'] ?? null;
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if (!$coupon_code || !$plan_id) {
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echo json_encode(['success' => false, 'error' => 'Missing coupon code or plan ID']);
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exit;
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}
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global $subscriptions;
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if (!isset($subscriptions[$plan_id])) {
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echo json_encode(['success' => false, 'error' => 'Invalid plan']);
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exit;
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}
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$plan = $subscriptions[$plan_id];
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// Fetch coupon details
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$stmt = db()->prepare('SELECT * FROM discounts WHERE code = ? AND is_active = 1');
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$stmt->execute([$coupon_code]);
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$coupon = $stmt->fetch();
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if (!$coupon) {
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echo json_encode(['success' => false, 'error' => 'Invalid or inactive coupon']);
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exit;
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}
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// Check date validity
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if (($coupon['start_date'] && strtotime($coupon['start_date']) > time()) || ($coupon['end_date'] && strtotime($coupon['end_date']) < time())) {
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echo json_encode(['success' => false, 'error' => 'Coupon is not valid at this time']);
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exit;
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}
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// Check usage limit
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if ($coupon['uses_limit'] !== null && $coupon['times_used'] >= $coupon['uses_limit']) {
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echo json_encode(['success' => false, 'error' => 'Coupon has reached its usage limit']);
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exit;
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}
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// Calculate discounted price
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$original_price = $plan['price'] / 100;
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$discounted_price = 0;
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if ($coupon['type'] === 'percentage') {
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$discounted_price = $original_price - ($original_price * ($coupon['value'] / 100));
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} else { // fixed
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$discounted_price = $original_price - $coupon['value'];
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}
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if ($discounted_price < 0) {
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$discounted_price = 0;
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}
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echo json_encode(['success' => true, 'discounted_price' => $discounted_price]);
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