function update_cart()
{
global $tc_cart_errors;
$cart_error_number = 0;
$required_fields_error_count = 0;
if (isset($_POST['cart_action']) && $_POST['cart_action'] == 'update_cart' || isset($_POST['cart_action']) && $_POST['cart_action'] == 'apply_coupon' || isset($_POST['cart_action']) && $_POST['cart_action'] == 'proceed_to_checkout') {
$discount = new TC_Discounts();
$discount->discounted_cart_total($_SESSION['cart_subtotal_pre']);
$cart = array();
$ticket_type_count = 0;
$ticket_quantity = $_POST['ticket_quantity'];
if (isset($_POST['cart_action'])) {
if ($_POST['cart_action'] == 'update_cart' || $_POST['cart_action'] == 'proceed_to_checkout') {
$tc_cart_errors .= '<ul>';
foreach ($_POST['ticket_cart_id'] as $ticket_id) {
$ticket = new TC_Ticket($ticket_id);
if ($ticket_quantity[$ticket_type_count] <= 0) {
unset($cart[$ticket_id]);
//remove from cart
} else {
if ($ticket->details->min_tickets_per_order != 0 && $ticket->details->min_tickets_per_order !== '') {
if ($ticket_quantity[$ticket_type_count] < $ticket->details->min_tickets_per_order) {
$cart[$ticket_id] = (int) $ticket->details->min_tickets_per_order;
$ticket_quantity[$ticket_type_count] = (int) $ticket->details->min_tickets_per_order;
$tc_cart_errors .= '<li>' . sprintf(__('Minimum order quantity for "%s" is %d', 'tc'), $ticket->details->post_title, $ticket->details->min_tickets_per_order) . '</li>';
$cart_error_number++;
}
}
if ($ticket->details->max_tickets_per_order != 0 && $ticket->details->max_tickets_per_order !== '') {
if ($ticket_quantity[$ticket_type_count] > $ticket->details->max_tickets_per_order) {
$cart[$ticket_id] = (int) $ticket->details->max_tickets_per_order;
$ticket_quantity[$ticket_type_count] = (int) $ticket->details->max_tickets_per_order;
$tc_cart_errors .= '<li>' . sprintf(__('Maximum order quantity for "%s" is %d', 'tc'), $ticket->details->post_title, $ticket->details->max_tickets_per_order) . '</li>';
$cart_error_number++;
}
}
$quantity_left = $ticket->get_tickets_quantity_left();
if ($quantity_left >= $ticket_quantity[$ticket_type_count]) {
$cart[$ticket_id] = (int) $ticket_quantity[$ticket_type_count];
} else {
if ($quantity_left > 0) {
$tc_cart_errors .= '<li>' . sprintf(__('Only %d "%s" %s left', 'tc'), $quantity_left, $ticket->details->post_title, $quantity_left > 1 ? __('tickets', 'tc') : __('ticket', 'tc')) . '</li>';
$cart_error_number++;
} else {
$tc_cart_errors .= '<li>' . sprintf(__('"%s" tickets are sold out', 'tc'), $ticket->details->post_title) . '</li>';
$cart_error_number++;
}
$cart[$ticket_id] = (int) $quantity_left;
}
}
$ticket_type_count++;
}
$tc_cart_errors .= '</ul>';
add_filter('tc_cart_errors', array(&$this, 'tc_cart_errors'), 10, 1);
$this->update_discount_code_cookie($_POST['coupon_code']);
$this->update_cart_cookie($cart);
$cart_contents = $this->get_cart_cookie();
$discount = new TC_Discounts();
$discount->discounted_cart_total();
if (empty($cart)) {
$this->remove_order_session_data(false);
}
}
if ($_POST['cart_action'] == 'apply_coupon') {
$discount = new TC_Discounts();
$discount->discounted_cart_total();
add_filter('tc_discount_code_message', array('TC_Discounts', 'discount_code_message'), 11, 1);
}
if ($_POST['cart_action'] == 'proceed_to_checkout') {
$required_fields = $_POST['tc_cart_required'];
//array of required field names
foreach ($_POST as $key => $value) {
if ($key !== 'tc_cart_required') {
if (in_array($key, $required_fields)) {
if (!is_array($value)) {
if (trim($value) == '') {
$required_fields_error_count++;
}
} else {
foreach ($_POST[$key] as $val) {
if (!is_array($val)) {
if (trim($val) == '') {
$required_fields_error_count++;
}
} else {
foreach ($val as $val_str) {
if (trim($val_str) == '') {
$required_fields_error_count++;
}
}
}
}
}
}
}
}
if ($required_fields_error_count > 0) {
$tc_cart_errors .= '<li>' . __('All fields marked with * are required.', 'tc') . '</li>';
}
if ($cart_error_number == 0 && $required_fields_error_count == 0) {
$this->save_cart_post_data();
do_action('tc_cart_passed_successfully');
wp_redirect($this->get_payment_slug(true));
exit;
}
}
}
}
}