function add_item()
{
global $FUNCS, $DB;
if (isset($_POST['pp_id']) && $FUNCS->is_non_zero_natural($_POST['pp_id'])) {
$item_number = (int) $_POST['pp_id'];
$rs = $DB->select(K_TBL_PAGES, array('id', 'template_id'), "id = '" . $DB->sanitize($item_number) . "'");
if (count($rs)) {
$rec = $rs[0];
$pg = new KWebpage($rec['template_id'], $rec['id']);
if (!$pg->error) {
// get all cart related fields from page
$arr_pp_fields = array('pp_price', 'pp_options', 'pp_requires_shipping');
$arr_custom_fields = array();
for ($x = 0; $x < count($pg->fields); $x++) {
if ($pg->fields[$x]->system || $pg->fields[$x]->deleted) {
continue;
}
$fname = $pg->fields[$x]->name;
if (in_array($fname, $arr_pp_fields)) {
${$fname} = trim($pg->fields[$x]->get_data());
} else {
// is it a custom field? Check if prefixed with a 'pp_'
if (substr($fname, 0, 3) == 'pp_') {
$arr_custom_fields[substr($fname, 3)] = trim($pg->fields[$x]->get_data());
// strip off the 'pp_' prefix
}
}
}
$all_ok = 1;
// valid price
if (!isset($pp_price) || !is_numeric($pp_price)) {
$all_ok = 0;
}
// valid quantity
$quantity = trim($_POST['qty']);
if ($this->get_config('allow_decimal_qty')) {
if (!is_numeric($quantity) || !preg_match("/^[0-9.]+\$/i", $quantity) || !($quantity > 0)) {
$all_ok = 0;
}
} else {
if (!$FUNCS->is_non_zero_natural($quantity)) {
$all_ok = 0;
}
}
if ($all_ok) {
$arr_sort_keys = array();
// used to sort items in the cart
$arr_display_attrs = array();
// an array of all selected variant options with values
$arr_sort_keys[] = $pg->page_name;
//get the price modifiers, if any
if (isset($pp_options)) {
$arr_opts = $this->_parse_options($pp_options);
if (count($arr_opts)) {
for ($x = 0; $x < count($arr_opts); $x++) {
$os = $_POST['os' . $x];
$opt_name = $arr_opts[$x]['name'];
$opt_values = $arr_opts[$x]['values'];
// valid attributes
if ($this->_is_option_text($arr_opts[$x])) {
// textbox
if (is_string($os)) {
$os = trim($os);
if (strlen($os)) {
$arr_sort_keys[] = md5($os);
// save selected attribute and value for latter display
$arr_display_attrs[$opt_name] = $FUNCS->excerpt($FUNCS->cleanXSS($os, 0, 'none'), 200);
// adjust price
$pp_price = $pp_price + $opt_values[0]['price'];
}
} else {
$all_ok = 0;
break;
}
} else {
// select list
if ($FUNCS->is_natural($os) && $os < count($opt_values)) {
$arr_sort_keys[] = $os;
// save selected attribute and value for latter display
$arr_display_attrs[$opt_name] = $opt_values[$os]['attr'];
// e.g Color=>Black;
// adjust price
$pp_price = $pp_price + $opt_values[$os]['price'];
} else {
$all_ok = 0;
break;
}
}
}
}
}
// if all ok, add to cart
if ($all_ok) {
// create the sorting key - page_name + attributes
$sorting_key = $FUNCS->make_key($arr_sort_keys);
// create a unique id for this item. Will be passed on for future actions on cart.
$unique_key = md5($sorting_key);
// if item already exists in cart, update the original else add a new item.
if (isset($this->items[$sorting_key])) {
// update quantity
$this->updated_rows[$sorting_key] = $this->items[$sorting_key]['quantity'];
// save original quantity
$this->items[$sorting_key]['quantity'] += $quantity;
} else {
$this->items[$sorting_key] = array('line_id' => $unique_key, 'id' => $pg->id, 'name' => $pg->page_name, 'title' => $pg->page_title, 'link' => K_SITE_URL . $pg->get_page_view_link(), 'price' => $pp_price, 'quantity' => $quantity, 'line_total' => 0, 'skip_line_total' => 0, 'options' => $arr_display_attrs, 'requires_shipping' => $pp_requires_shipping ? 1 : 0);
// Add custom attributes if any
foreach ($arr_custom_fields as $k => $v) {
$this->items[$sorting_key][$k] = $v;
}
$this->updated_rows[$sorting_key] = 0;
// sort
ksort($this->items);
}
// finally persist in session
$this->current_action_success = 1;
$this->serialize();
} else {
// report error?
}
}
}
}
}
$this->redirect(1);
}
