/**
* Returns an array of option values for the given measurement. This is
* used for the pricing calculator only.
*
* @since 3.0
* @param string $measurement_name the measurement name
* @return array associative array of measurement option values to label
*/
public function get_options($measurement_name)
{
$calculator_type = $this->get_calculator_type();
$options = array();
if ($this->is_pricing_calculator_enabled() && isset($this->settings[$calculator_type][$measurement_name]['options'])) {
foreach ($this->settings[$calculator_type][$measurement_name]['options'] as $value) {
if ('' !== $value) {
$result = WC_Price_Calculator_Measurement::convert_to_float($value);
$options[(string) $result] = $value;
}
}
}
return $options;
}
/**
* Filter to check whether a product is valid to be added to the cart.
* This is used to ensure a measurement is provided when the price
* calculator is used
*
* @since 3.0
* @param boolean $valid whether the product as added is valid
* @param int $product_id the product identifier
* @param int $quantity the amount being added
* @param int $variation_id optional variation id
* @param array $variations optional variation configuration
* @param array $cart_item_data optional cart item data. This will only be
* supplied when an order is being-ordered, in which case the
* required measurements will not be available from the REQUEST array
*/
public function add_to_cart_validation($valid, $product_id, $quantity, $variation_id = '', $variations = array(), $cart_item_data = array())
{
$product = wc_get_product($product_id);
// is the calculator enabled for this product?
if ($valid && WC_Price_Calculator_Product::pricing_calculator_enabled($product)) {
$settings = new WC_Price_Calculator_Settings($product);
$measurements = $settings->get_calculator_measurements();
// the individual measurements (for simple calculators like the length or weight or area this will be just the length/weight/area/whatever,
// while for more complicated ones like area-dimension this will be the length and width
foreach ($measurements as $measurement) {
$value = null;
if (isset($_REQUEST[$measurement->get_name() . '_needed'])) {
$value = str_replace(get_option('woocommerce_price_decimal_sep'), '.', $_REQUEST[$measurement->get_name() . '_needed']);
} elseif (isset($cart_item_data['pricing_item_meta_data'][$measurement->get_name()])) {
$value = $cart_item_data['pricing_item_meta_data'][$measurement->get_name()];
}
// save the value of measurement needed
if ($value) {
$value = WC_Price_Calculator_Measurement::convert_to_float($value);
$this->measurements_needed[$measurement->get_name()] = array('value' => $value, 'unit' => $measurement->get_unit(), 'common_unit' => $measurement->get_unit_common());
}
if (!$value || !is_numeric($value) || $value <= 0) {
wc_add_notice(sprintf(__("%s missing", WC_Measurement_Price_Calculator::TEXT_DOMAIN), $measurement->get_label()), 'error');
$valid = false;
}
}
// get the measurement needed, from the $_POST object for a normal add to cart action, or from the $cart_item_data for a programmatic add-to-cart
$measurement_needed_value = null;
if (isset($_POST['_measurement_needed'])) {
$measurement_needed_value = $_POST['_measurement_needed'];
$measurement_needed_value_unit = $_POST['_measurement_needed_unit'];
} elseif (isset($cart_item_data['pricing_item_meta_data']['_measurement_needed_internal'])) {
$measurement_needed_value = $cart_item_data['pricing_item_meta_data']['_measurement_needed_internal'];
$measurement_needed_value_unit = $cart_item_data['pricing_item_meta_data']['_measurement_needed_unit_internal'];
}
// if pricing rules are enabled validate there is a matching rule available
if ($settings->pricing_rules_enabled() && $measurement_needed_value) {
$measurement_needed = new WC_Price_Calculator_Measurement($measurement_needed_value_unit, $measurement_needed_value);
if (is_null($settings->get_pricing_rules_price($measurement_needed))) {
$message = apply_filters('wc_measurement_price_calculator_no_price_available_notice_text', __("No price available for a product with this measurement, please contact the store for assistance.", WC_Measurement_Price_Calculator::TEXT_DOMAIN), $product);
wc_add_notice($message, 'error');
$valid = false;
}
}
// allow other code to validate based on the provided measurements
$valid = apply_filters('wc_measurement_price_calculator_add_to_cart_validation', $valid, $product_id, $quantity, $measurements);
}
return $valid;
}
