Add coupon application logic to cart.php with discount calculation
Co-authored-by: iaretechnician <2749183+iaretechnician@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot]
parent
9d541d55a2
commit
93d47dba40
2 changed files with 760 additions and 2 deletions
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@ -271,6 +271,55 @@ if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['delete_single'])) {
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}
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}
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// Handle coupon application
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$coupon_message = '';
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$coupon_error = '';
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$applied_coupon = null;
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if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['apply_coupon'])) {
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$coupon_code = trim($_POST['coupon_code']);
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if (!empty($coupon_code)) {
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// Validate and fetch coupon
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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'
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AND is_active = 1
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AND (expires IS NULL OR expires > NOW())
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LIMIT 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($coupon_result);
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// Check usage limits
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if ($coupon['max_uses'] !== null && intval($coupon['current_uses']) >= intval($coupon['max_uses'])) {
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$coupon_error = "This coupon has reached its usage limit.";
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} else {
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// Store coupon in session for later use
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$_SESSION['applied_coupon'] = $coupon;
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$applied_coupon = $coupon;
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$coupon_message = "Coupon '{$coupon['code']}' applied successfully! " .
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number_format($coupon['discount_percent'], 2) . "% discount " .
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($coupon['usage_type'] === 'permanent' ? '(permanent - applies to all renewals)' : '(one-time only)');
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}
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} else {
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$coupon_error = "Invalid or expired 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($_SESSION['applied_coupon']);
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$coupon_message = "Coupon removed.";
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}
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// Check if there's a coupon in session
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if (isset($_SESSION['applied_coupon']) && !$applied_coupon) {
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$applied_coupon = $_SESSION['applied_coupon'];
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}
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if ($db){
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$carts = $db->query("SELECT * FROM ogp_billing_invoices AS cart
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WHERE status = 'due' AND user_id = " . $user_id . " ORDER BY invoice_id ASC");
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@ -301,6 +350,28 @@ if ($db){
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<tbody>
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<?php
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$grandTotal = 0; // Initialize grand total variable
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$totalDiscount = 0; // Track total discount amount
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// Helper function to check if coupon applies to a game
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function couponAppliesTo($coupon, $game_name) {
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if (!$coupon || $coupon['game_filter_type'] === 'all_games') {
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return true;
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}
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if ($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)) {
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// Check if the game_name matches any of the allowed games
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foreach ($allowed_games as $allowed_game) {
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if (stripos($game_name, $allowed_game) !== false || stripos($allowed_game, $game_name) !== false) {
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return true;
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}
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}
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}
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}
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return false;
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}
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if (isset($carts) && $carts instanceof mysqli_result && $carts->num_rows > 0) {
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while ($row = $carts->fetch_assoc()) {
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@ -319,14 +390,28 @@ if ($db){
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<td><?php echo htmlspecialchars($row['max_players']); ?></td>
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<td>$<?php echo number_format($row['amount'], 2); ?></td>
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<td><?php echo htmlspecialchars($row['qty']); ?></td>
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<?php $rowtotal = $row['amount'] * $row['qty'] * $row['max_players'];?>
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<?php
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$rowtotal = $row['amount'] * $row['qty'] * $row['max_players'];
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$itemDiscount = 0;
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// Apply coupon if applicable
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if ($applied_coupon && couponAppliesTo($applied_coupon, $row['home_name'])) {
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$discountPercent = floatval($applied_coupon['discount_percent']);
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$itemDiscount = ($rowtotal * $discountPercent) / 100;
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$totalDiscount += $itemDiscount;
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$rowtotal = $rowtotal - $itemDiscount;
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}
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?>
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<?php
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// Build invoice and line item structures used later when creating PayPal order
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if (!isset($invoice) || !is_array($invoice)) $invoice = [];
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$invoice[] = [
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'serverID' => 'invoice-' . $row['invoice_id'],
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'amount' => number_format($rowtotal, 2, '.', ''),
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'invoice_id' => intval($row['invoice_id'])
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'invoice_id' => intval($row['invoice_id']),
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'discount' => number_format($itemDiscount, 2, '.', ''),
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'original_amount' => number_format($row['amount'] * $row['qty'] * $row['max_players'], 2, '.', ''),
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'coupon_id' => $applied_coupon ? intval($applied_coupon['coupon_id']) : null
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];
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?>
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<?php
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@ -377,6 +462,38 @@ if ($db){
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</tbody>
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</table>
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<!-- Coupon Application Section -->
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<div class="coupon-section" style="margin: 20px 0; padding: 15px; background: #f9f9f9; border-radius: 5px;">
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<?php if ($coupon_message): ?>
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<div style="padding: 10px; margin-bottom: 10px; background: #d4edda; color: #155724; border: 1px solid #c3e6cb; border-radius: 3px;">
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<?php echo htmlspecialchars($coupon_message); ?>
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</div>
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<?php endif; ?>
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<?php if ($coupon_error): ?>
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<div style="padding: 10px; margin-bottom: 10px; background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; border-radius: 3px;">
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<?php echo htmlspecialchars($coupon_error); ?>
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</div>
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<?php endif; ?>
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<?php if ($applied_coupon): ?>
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<div style="padding: 10px; background: #fff3cd; border: 1px solid #ffc107; border-radius: 3px; margin-bottom: 10px;">
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<strong>Active Coupon:</strong> <?php echo htmlspecialchars($applied_coupon['code']); ?>
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(<?php echo number_format($applied_coupon['discount_percent'], 2); ?>% off)
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<form method="POST" style="display: inline; margin-left: 10px;">
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<button type="submit" name="remove_coupon" class="btn-square text-danger" style="padding: 5px 10px;">Remove</button>
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</form>
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</div>
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<?php else: ?>
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<form method="POST" style="display: flex; gap: 10px; align-items: center;">
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<label for="coupon_code" style="font-weight: bold;">Have a coupon code?</label>
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<input type="text" id="coupon_code" name="coupon_code" placeholder="Enter code"
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style="padding: 8px; border: 1px solid #ddd; border-radius: 3px; flex: 1; max-width: 200px;">
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<button type="submit" name="apply_coupon" class="gsw-btn">Apply Coupon</button>
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</form>
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<?php endif; ?>
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</div>
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<?php
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// These must already exist earlier in your cart page:
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