Add coupon system integration to shopping cart
Co-authored-by: iaretechnician <2749183+iaretechnician@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot]
parent
d7e9b54763
commit
291fd81504
1 changed files with 201 additions and 2 deletions
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@ -42,6 +42,120 @@ if ($result) {
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// If cart is empty, show message
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$cart_empty = count($invoices) === 0;
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// Coupon handling
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$coupon_code = '';
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$coupon_discount_percent = 0;
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$coupon_error = '';
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$coupon_success = '';
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$applied_coupon = null;
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// Check for coupon in session
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if (isset($_SESSION['cart_coupon_code'])) {
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$coupon_code = $_SESSION['cart_coupon_code'];
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}
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// Handle coupon application
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['apply_coupon'])) {
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$submitted_code = trim($_POST['coupon_code'] ?? '');
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if (empty($submitted_code)) {
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$coupon_error = 'Please enter a coupon code.';
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} else {
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// Validate coupon
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$safe_code = mysqli_real_escape_string($db, $submitted_code);
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$coupon_query = "SELECT * FROM {$table_prefix}billing_coupons
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WHERE code = '$safe_code' AND is_active = 1";
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$coupon_result = mysqli_query($db, $coupon_query);
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if ($coupon_result && mysqli_num_rows($coupon_result) === 1) {
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$coupon = mysqli_fetch_assoc($coupon_result);
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// Check expiration
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$expired = false;
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if (!empty($coupon['expires'])) {
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$expires_time = strtotime($coupon['expires']);
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if ($expires_time && $expires_time < time()) {
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$expired = true;
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}
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}
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// Check usage limit
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$max_uses_reached = false;
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if (!empty($coupon['max_uses'])) {
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if (intval($coupon['current_uses']) >= intval($coupon['max_uses'])) {
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$max_uses_reached = true;
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}
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}
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if ($expired) {
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$coupon_error = 'This coupon has expired.';
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} elseif ($max_uses_reached) {
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$coupon_error = 'This coupon has reached its maximum usage limit.';
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} else {
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// Check game filter
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$game_valid = true;
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if ($coupon['game_filter_type'] === 'specific_games' && !empty($coupon['game_filter_list'])) {
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$allowed_games = json_decode($coupon['game_filter_list'], true);
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if (is_array($allowed_games) && count($allowed_games) > 0) {
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// Check if any invoice game is in allowed list
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$has_valid_game = false;
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foreach ($invoices as $inv) {
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if (in_array($inv['game_key'], $allowed_games)) {
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$has_valid_game = true;
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break;
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}
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}
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if (!$has_valid_game) {
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$game_valid = false;
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}
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}
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}
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if (!$game_valid) {
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$coupon_error = 'This coupon is not valid for the items in your cart.';
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} else {
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// Apply coupon
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$applied_coupon = $coupon;
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$coupon_code = $submitted_code;
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$coupon_discount_percent = floatval($coupon['discount_percent']);
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$_SESSION['cart_coupon_code'] = $coupon_code;
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$_SESSION['cart_coupon_id'] = $coupon['coupon_id'];
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$coupon_success = 'Coupon "' . htmlspecialchars($coupon['name']) . '" applied! You save ' . $coupon_discount_percent . '%';
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}
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}
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} else {
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$coupon_error = 'Invalid coupon code.';
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}
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}
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}
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// Handle coupon removal
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['remove_coupon'])) {
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unset($_SESSION['cart_coupon_code']);
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unset($_SESSION['cart_coupon_id']);
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$coupon_code = '';
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$coupon_discount_percent = 0;
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$applied_coupon = null;
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}
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// Calculate discount if coupon is applied
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$discount_amount = 0;
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if (!empty($coupon_code) && $coupon_discount_percent > 0) {
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// Re-validate the coupon from session
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$safe_code = mysqli_real_escape_string($db, $coupon_code);
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$coupon_query = "SELECT * FROM {$table_prefix}billing_coupons
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WHERE code = '$safe_code' AND is_active = 1";
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$coupon_result = mysqli_query($db, $coupon_query);
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if ($coupon_result && mysqli_num_rows($coupon_result) === 1) {
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$applied_coupon = mysqli_fetch_assoc($coupon_result);
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$coupon_discount_percent = floatval($applied_coupon['discount_percent']);
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$discount_amount = $total_amount * ($coupon_discount_percent / 100);
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}
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}
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$final_amount = $total_amount - $discount_amount;
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// PayPal configuration
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$sandbox = true; // Set to false for live PayPal
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$client_id = 'AfvY_C2zA_hTHxHq7TIhtOeub4xBdySYrt_Hjj3d_WYQwjWI9NfOAVOTeResx2rgZ_nP5tOoxQSAHw8c';
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@ -188,6 +302,33 @@ mysqli_close($db);
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padding: 20px;
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color: #666;
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}
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.coupon-section {
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background: #f8f9fa;
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padding: 20px;
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border-radius: 8px;
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margin-bottom: 20px;
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}
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.coupon-input {
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width: 100%;
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padding: 10px;
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border: 1px solid #ced4da;
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border-radius: 4px;
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font-size: 1em;
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}
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.alert-error {
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background: #f8d7da;
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color: #721c24;
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padding: 10px;
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border-radius: 4px;
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margin-bottom: 15px;
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}
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.alert-success {
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background: #d4edda;
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color: #155724;
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padding: 10px;
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border-radius: 4px;
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margin-bottom: 15px;
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}
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</style>
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<?php if (!$cart_empty): ?>
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<script src="https://www.paypal.com/sdk/js?client-id=<?php echo htmlspecialchars($client_id); ?>¤cy=USD&intent=capture"></script>
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@ -241,9 +382,60 @@ mysqli_close($db);
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</tbody>
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</table>
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<!-- Coupon Section -->
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<div style="background: #f8f9fa; padding: 20px; border-radius: 8px; margin-bottom: 20px;">
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<h3 style="margin-top: 0;">Apply Coupon Code</h3>
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<?php if (!empty($coupon_error)): ?>
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<div style="background: #f8d7da; color: #721c24; padding: 10px; border-radius: 4px; margin-bottom: 15px;">
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<?php echo htmlspecialchars($coupon_error); ?>
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</div>
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<?php endif; ?>
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<?php if (!empty($coupon_success)): ?>
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<div style="background: #d4edda; color: #155724; padding: 10px; border-radius: 4px; margin-bottom: 15px;">
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<?php echo $coupon_success; ?>
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</div>
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<?php endif; ?>
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<?php if (empty($applied_coupon)): ?>
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<form method="POST" style="display: flex; gap: 10px; align-items: flex-end;">
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<div style="flex: 1;">
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<label style="display: block; margin-bottom: 5px; font-weight: 600;">Coupon Code:</label>
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<input type="text" name="coupon_code" placeholder="Enter code"
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style="width: 100%; padding: 10px; border: 1px solid #ced4da; border-radius: 4px;"
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value="<?php echo htmlspecialchars($coupon_code); ?>">
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</div>
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<button type="submit" name="apply_coupon" class="btn">Apply</button>
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</form>
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<?php else: ?>
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<div style="display: flex; justify-content: space-between; align-items: center; background: #d4edda; padding: 15px; border-radius: 4px;">
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<div>
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<strong style="color: #155724;">Coupon Applied:</strong>
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<span style="color: #155724;"><?php echo htmlspecialchars($applied_coupon['name']); ?>
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(<?php echo htmlspecialchars($applied_coupon['discount_percent']); ?>% off)</span>
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</div>
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<form method="POST" style="margin: 0;">
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<button type="submit" name="remove_coupon" class="btn btn-secondary"
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style="padding: 8px 16px;">Remove</button>
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</form>
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</div>
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<?php endif; ?>
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</div>
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<div class="cart-total">
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<?php if ($discount_amount > 0): ?>
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<div style="margin-bottom: 10px;">
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<span class="total-label">Subtotal:</span>
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<span style="font-size: 1.2em; color: #666;">$<?php echo number_format($total_amount, 2); ?></span>
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</div>
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<div style="margin-bottom: 10px; color: #28a745;">
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<span class="total-label">Discount (<?php echo $coupon_discount_percent; ?>%):</span>
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<span style="font-size: 1.2em; font-weight: 600;">-$<?php echo number_format($discount_amount, 2); ?></span>
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</div>
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<?php endif; ?>
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<span class="total-label">Total:</span>
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<span class="total-amount">$<?php echo number_format($total_amount, 2); ?></span>
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<span class="total-amount">$<?php echo number_format($final_amount, 2); ?></span>
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</div>
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<div class="checkout-section">
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@ -273,12 +465,19 @@ mysqli_close($db);
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purchase_units: [{
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amount: {
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currency_code: 'USD',
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value: '<?php echo number_format($total_amount, 2, '.', ''); ?>',
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value: '<?php echo number_format($final_amount, 2, '.', ''); ?>',
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breakdown: {
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item_total: {
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currency_code: 'USD',
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value: '<?php echo number_format($total_amount, 2, '.', ''); ?>'
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}
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<?php if ($discount_amount > 0): ?>
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,
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discount: {
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currency_code: 'USD',
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value: '<?php echo number_format($discount_amount, 2, '.', ''); ?>'
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}
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<?php endif; ?>
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}
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},
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items: <?php echo json_encode($paypal_items); ?>
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