/**
* Renders the price/sale price in terms of a unit of measurement for display
* on the catalog/product pages
*
* @since 3.0
* @param $price string the formatted sale price
* @param $product WC_Product the product
* @return string the formatted sale price, per unit
*/
public function price_per_unit_html($price_html, $product)
{
// if this is a product variation, get the parent product which holds the calculator settings
$_product = $product;
if (isset($product->variation_id) && $product->variation_id) {
$_product = SV_WC_Plugin_Compatibility::wc_get_product($product->id);
}
if (WC_Price_Calculator_Product::pricing_per_unit_enabled($_product)) {
$settings = new WC_Price_Calculator_Settings($product);
// if this is a quantity calculator, the displayed price per unit will have to be calculated from
// the product price and pricing measurement. alternatively, for a pricing calculator product,
// the price set in the admin *is* the price per unit, so we just need to format it by adding the units
if ($settings->is_quantity_calculator_enabled()) {
$measurement = null;
// for variable products we must go synchronize price levels to our per unit price
if ($product->is_type('variable')) {
// synchronize to the price per unit pricing
WC_Price_Calculator_Product::variable_product_sync($product, $settings);
// get price suffix and remove it from the price html
$price_suffix = $product->get_price_suffix();
add_filter('woocommerce_get_price_suffix', '__return_empty_string');
// remove the price_html filters, get the appropriate price html, then re-add them
$this->remove_price_html_filters();
$price_html = $product->get_price_html();
$this->add_price_html_filters();
// re-add price suffix
remove_filter('woocommerce_get_price_suffix', '__return_empty_string');
// add units
$price_html .= ' ' . __($settings->get_pricing_label(), WC_Measurement_Price_Calculator::TEXT_DOMAIN);
// add price suffix
$price_html .= $price_suffix;
// restore the original values
WC_Price_Calculator_Product::variable_product_unsync($product, $settings);
} else {
// other product types
$measurement = WC_Price_Calculator_Product::get_product_measurement($product, $settings);
$measurement->set_unit($settings->get_pricing_unit());
if ($measurement && $measurement->get_value() && '' !== $price_html) {
// save the original price and remove the filter that we're currently within, to avoid an infinite loop
$original_price = $product->price;
$original_regular_price = $product->regular_price;
$original_sale_price = $product->sale_price;
// calculate the price per unit, then format it
$product->price = $product->price / $measurement->get_value();
$product->regular_price = $product->regular_price / $measurement->get_value();
$product->sale_price = $product->sale_price / $measurement->get_value();
$product = apply_filters('wc_measurement_price_calculator_quantity_price_per_unit', $product, $measurement);
// get price suffix and remove it from the price html
$price_suffix = $product->get_price_suffix();
add_filter('woocommerce_get_price_suffix', '__return_empty_string');
// remove the price_html filters, get the appropriate price html, then re-add them
$this->remove_price_html_filters();
$price_html = $product->get_price_html();
$this->add_price_html_filters();
// re-add price suffix
remove_filter('woocommerce_get_price_suffix', '__return_empty_string');
// restore the original product price and price_html filters
$product->price = $original_price;
$product->regular_price = $original_regular_price;
$product->sale_price = $original_sale_price;
// add units
$price_html .= ' ' . __($settings->get_pricing_label(), WC_Measurement_Price_Calculator::TEXT_DOMAIN);
// add price suffix
$price_html .= $price_suffix;
}
}
} else {
// pricing calculator
if ($settings->pricing_rules_enabled()) {
// pricing rules product
$price_html = WC_Price_Calculator_Product::get_pricing_rules_price_html($product);
} elseif ('' !== $price_html) {
// normal pricing calculator non-empty price: add units
$price_html .= ' ' . __($settings->get_pricing_label(), WC_Measurement_Price_Calculator::TEXT_DOMAIN);
}
}
}
return $price_html;
}
