$member_id] ); if ($cart) return $cart; $id = db_insert('orders', [ 'member_id' => $member_id, 'status' => 'cart', ]); return db_row('SELECT * FROM orders WHERE id = :id', ['id' => $id]); } // Recompute totals after any cart change. function recompute_cart(int $order_id): void { $subtotal = (int)db_value( 'SELECT COALESCE(SUM(line_total_cents), 0) FROM order_items WHERE order_id = :o', ['o' => $order_id] ); db_exec( 'UPDATE orders SET subtotal_cents = :s, total_cents = :s WHERE id = :id', ['s' => $subtotal, 'id' => $order_id] ); } $cart = get_or_create_cart((int)$member['id']); // Handle POST: update qty or remove if ($_SERVER['REQUEST_METHOD'] === 'POST') { csrf_verify(); $action = $_POST['action'] ?? ''; if ($action === 'update') { foreach (($_POST['qty'] ?? []) as $item_id => $qty) { $qty = max(0, (int)$qty); $row = db_row( 'SELECT oi.*, bi.price_cents FROM order_items oi JOIN branding_items bi ON bi.id = oi.branding_item_id WHERE oi.id = :id AND oi.order_id = :o', ['id' => (int)$item_id, 'o' => $cart['id']] ); if (!$row) continue; if ($qty === 0) { db_exec('DELETE FROM order_items WHERE id = :id', ['id' => $item_id]); } else { $line = (int)$row['price_cents'] * $qty; db_exec( 'UPDATE order_items SET quantity = :q, line_total_cents = :lt WHERE id = :id', ['q' => $qty, 'lt' => $line, 'id' => $item_id] ); } } recompute_cart((int)$cart['id']); header('Location: cart.php?updated=1'); exit; } if ($action === 'checkout') { // Phase 2b: real PayFast flow. For Phase 2a: just mark pending_payment // and generate an invoice + pending transaction. $subtotal = (int)$cart['subtotal_cents']; if ($subtotal <= 0) { header('Location: cart.php?error=empty'); exit; } db_exec( 'UPDATE orders SET status = "pending_payment" WHERE id = :id', ['id' => $cart['id']] ); // Create invoice $inv_number = 'ORD-' . date('Y') . '-' . str_pad((string)$cart['id'], 4, '0', STR_PAD_LEFT); $inv_id = db_insert('invoices', [ 'member_id' => $member['id'], 'type' => 'order', 'order_id' => $cart['id'], 'number' => $inv_number, 'description' => 'Branding order', 'amount_cents' => $subtotal, 'status' => 'unpaid', 'issued_at' => date('Y-m-d'), 'due_at' => date('Y-m-d', strtotime('+14 days')), ]); db_insert('transactions', [ 'member_id' => $member['id'], 'invoice_id' => $inv_id, 'type' => 'charge', 'amount_cents' => $subtotal, 'description' => "Branding order $inv_number", ]); header('Location: welcome.php?checkout=pending'); exit; } } // Load cart items for display $items = db_all( 'SELECT oi.*, bi.name, bi.slug, bi.price_display FROM order_items oi JOIN branding_items bi ON bi.id = oi.branding_item_id WHERE oi.order_id = :o ORDER BY oi.id ASC', ['o' => $cart['id']] ); ?>

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