/**
* Calculate the item price based on the given measurements
*
* @since 3.1.3
* @param WC_Product $product the product
* @param float $measurement_needed_value the total measurement needed
* @param string $measurement_needed_value_unit the unit of $measurement_needed_value
* @return float the calculated price
*/
public static function calculate_price($product, $measurement_needed_value, $measurement_needed_value_unit)
{
$price = $product->get_price();
// get the parent product if there is one
$_product = 'WC_Product_Variation' == get_class($product) ? $product->parent : $product;
if (self::pricing_calculator_enabled($_product)) {
$settings = new WC_Price_Calculator_Settings($_product);
$measurement_needed = new WC_Price_Calculator_Measurement($measurement_needed_value_unit, (double) $measurement_needed_value);
// if this calculator uses pricing rules, retrieve the price based on the product measurements
if ($settings->pricing_rules_enabled()) {
$product->price = $settings->get_pricing_rules_price($measurement_needed);
}
// calculate the price
$price = $product->get_price() * $measurement_needed->get_value($settings->get_pricing_unit());
// is there a minimum price to use?
if (WC_Price_Calculator_Product::get_product_meta($product, 'wc_measurement_price_calculator_min_price') > $price) {
$price = WC_Price_Calculator_Product::get_product_meta($product, 'wc_measurement_price_calculator_min_price');
}
}
// return the final price
return $price;
}
/**
* Returns the cart item data for the given item being re-ordered. This is
* a somewhat complex process of re-configuring the product based on the
* original measurements, taking into account unit changes. We do not handle
* calculator type changes at the moment; in fact there's probably no way
* of accounting for this. (actually we could handle calculator changes as
* long as the calculator type was simplified, ie Area (L x W) -> Area,
* but aside from that there's nothing we can do)
*
* @since 3.0
* @param array $cart_item_data the cart item data
* @param array $item the item
* @param WC_Order $order the original order
* @return array the cart item data
*/
public function order_again_cart_item_data($cart_item_data, $item, $order)
{
$product = SV_WC_Plugin_Compatibility::wc_get_product($item['product_id']);
if (WC_Price_Calculator_Product::pricing_calculator_enabled($product) && isset($item['item_meta']['_measurement_data'][0]) && $item['item_meta']['_measurement_data'][0]) {
$measurement_data = maybe_unserialize($item['item_meta']['_measurement_data'][0]);
$settings = new WC_Price_Calculator_Settings($product);
$measurements = $settings->get_calculator_measurements();
// get the old product measurements, converting to the new measurement units as needed
foreach ($measurements as $measurement) {
if (isset($measurement_data[$measurement->get_name()])) {
$current_unit = $measurement->get_unit();
$measurement->set_value($measurement_data[$measurement->get_name()]['value']);
$measurement->set_unit($measurement_data[$measurement->get_name()]['unit']);
$cart_item_data['pricing_item_meta_data'][$measurement->get_name()] = $measurement->get_value($current_unit);
}
}
// the product total measurement
$measurement_needed = new WC_Price_Calculator_Measurement($measurement_data['_measurement_needed_unit'], $measurement_data['_measurement_needed']);
// if this calculator uses pricing rules, retrieve the price based on the product measurements
if ($settings->pricing_rules_enabled()) {
$product->price = $settings->get_pricing_rules_price($measurement_needed);
}
// calculate the price
$price = $product->get_price() * $measurement_needed->get_value($settings->get_pricing_unit());
// is there a minimum price to use?
if (WC_Price_Calculator_Product::get_product_meta($product, 'wc_measurement_price_calculator_min_price') > $price) {
$price = WC_Price_Calculator_Product::get_product_meta($product, 'wc_measurement_price_calculator_min_price');
}
// set the product price based on the price per unit and the total measurement
$cart_item_data['pricing_item_meta_data']['_price'] = $price;
// save the total measurement (length, area, volume, etc) in pricing units
$cart_item_data['pricing_item_meta_data']['_measurement_needed'] = $measurement_needed->get_value();
$cart_item_data['pricing_item_meta_data']['_measurement_needed_unit'] = $measurement_needed->get_unit();
// pick up the item quantity which we set in order_again_item_set_quantity()
if (isset($item['item_meta']['_quantity'][0])) {
$cart_item_data['pricing_item_meta_data']['_quantity'] = $item['item_meta']['_quantity'][0];
}
}
return $cart_item_data;
}
/**
* Register/queue frontend scripts.
*
* @since 3.0
*/
public function enqueue_frontend_scripts()
{
global $post, $wc_measurement_price_calculator;
$product = null;
if (is_product()) {
$product = SV_WC_Plugin_Compatibility::wc_get_product($post->ID);
}
// is the calculator enabled for this product?
if (!$product || !WC_Price_Calculator_Product::calculator_enabled($product)) {
return;
}
$settings = new WC_Price_Calculator_Settings($product);
wp_enqueue_script('wc-price-calculator', $wc_measurement_price_calculator->get_plugin_url() . '/assets/js/frontend/wc-measurement-price-calculator.min.js');
// Variables for JS scripts
$wc_price_calculator_params = array('woocommerce_currency_symbol' => get_woocommerce_currency_symbol(), 'woocommerce_price_num_decimals' => (int) get_option('woocommerce_price_num_decimals'), 'woocommerce_currency_pos' => get_option('woocommerce_currency_pos'), 'woocommerce_price_decimal_sep' => stripslashes(get_option('woocommerce_price_decimal_sep')), 'woocommerce_price_thousand_sep' => stripslashes(get_option('woocommerce_price_thousand_sep')), 'woocommerce_price_trim_zeros' => get_option('woocommerce_price_trim_zeros'), 'unit_normalize_table' => WC_Price_Calculator_Measurement::get_normalize_table(), 'unit_conversion_table' => WC_Price_Calculator_Measurement::get_conversion_table(), 'measurement_precision' => apply_filters('wc_measurement_price_calculator_measurement_precision', 3), 'minimum_price' => WC_Price_Calculator_Product::get_product_meta($product, 'wc_measurement_price_calculator_min_price'), 'measurement_type' => $settings->get_calculator_type());
// information required for either pricing or quantity calculator to function
$wc_price_calculator_params['product_price'] = $product->is_type('variable') ? '' : $product->get_price();
// get the product total measurement (ie Area), get a measurement (ie length), and determine the product total measurement common unit based on the measurements common unit
$product_measurement = WC_Price_Calculator_Product::get_product_measurement($product, $settings);
$measurements = $settings->get_calculator_measurements();
list($measurement) = $measurements;
$product_measurement->set_common_unit($measurement->get_unit_common());
// this is the unit that the product total measurement will be in, ie it's how we know what unit we get for the Volume (AxH) calculator after multiplying A * H
$wc_price_calculator_params['product_total_measurement_common_unit'] = $product_measurement->get_unit_common();
if (WC_Price_Calculator_Product::pricing_calculator_enabled($product)) {
// product information required for the pricing calculator javascript to function
$wc_price_calculator_params['calculator_type'] = 'pricing';
$wc_price_calculator_params['product_price_unit'] = $settings->get_pricing_unit();
// if there are pricing rules, include them on the page source
if ($settings->pricing_rules_enabled()) {
$wc_price_calculator_params['pricing_rules'] = $settings->get_pricing_rules();
// generate the pricing html
foreach ($wc_price_calculator_params['pricing_rules'] as $index => $rule) {
$price_html = $settings->get_pricing_rule_price_html($rule);
$wc_price_calculator_params['pricing_rules'][$index]['price_html'] = '<span class="price">' . $price_html . '</span>';
}
}
} else {
// product information required for the quantity calculator javascript to function
$wc_price_calculator_params['calculator_type'] = 'quantity';
$quantity_range = WC_Price_Calculator_Product::get_quantity_range($product);
$wc_price_calculator_params['quantity_range_min_value'] = $quantity_range['min_value'];
$wc_price_calculator_params['quantity_range_max_value'] = $quantity_range['max_value'];
if ($product->is_type('simple')) {
// product_measurement represents one quantity of the product, bail if missing required product physical attributes
if (!$product_measurement->get_value()) {
return;
}
$wc_price_calculator_params['product_measurement_value'] = $product_measurement->get_value();
$wc_price_calculator_params['product_measurement_unit'] = $product_measurement->get_unit();
} else {
// provided by the available_variation() method
$wc_price_calculator_params['product_measurement_value'] = '';
$wc_price_calculator_params['product_measurement_unit'] = '';
}
}
wp_localize_script('wc-price-calculator', 'wc_price_calculator_params', $wc_price_calculator_params);
}
/**
* Returns the pricing rules (if any) associated with this calculator, which are
* avilable only if the pricing calculator is enabled. Pricing rules ranges
* default to pricing units.
*
* @since 3.0
* @param string $to_unit optional units to return the pricing rules ranges in,
* defaults to pricing units.
* @return array of pricing rules with ranges in terms of $to_unit
*/
public function get_pricing_rules($to_unit = null)
{
// default if the pricing calculator is not enabled
$pricing_rules = array();
if ($this->is_pricing_calculator_enabled() && $this->product) {
// load the pricing rules when needed
if (is_null($this->pricing_rules)) {
$this->set_pricing_rules(WC_Price_Calculator_Product::get_product_meta($this->product, 'wc_price_calculator_pricing_rules'));
}
// default pricing rules
$pricing_rules = $this->pricing_rules;
// if a conversion
if ($to_unit && $to_unit != $this->get_pricing_unit()) {
foreach ($pricing_rules as &$rule) {
$rule['range_start'] = WC_Price_Calculator_Measurement::convert($rule['range_start'], $this->get_pricing_unit(), $to_unit);
if ('' !== $rule['range_end']) {
$rule['range_end'] = WC_Price_Calculator_Measurement::convert($rule['range_end'], $this->get_pricing_unit(), $to_unit);
}
}
}
}
return $pricing_rules;
}
