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<?php

defined('ABSPATH') || exit;
class WC_Product_Grouped extends WC_Product
{
    protected $extra_data = array('children' => array());
    public function get_type()
    {
        return 'grouped';
    }
    public function add_to_cart_text()
    {
        return apply_filters('woocommerce_product_add_to_cart_text', __('View products', 'woocommerce'), $this);
    }
    public function add_to_cart_description()
    {
        return apply_filters('woocommerce_product_add_to_cart_description', sprintf(__('View products in the &ldquo;%s&rdquo; group', 'woocommerce'), $this->get_name()), $this);
    }
    public function is_on_sale($context = 'view')
    {
        $children = array_filter(array_map('wc_get_product', $this->get_children($context)), 'wc_products_array_filter_visible_grouped');
        $on_sale = false;
        foreach ($children as $child) {
            if ($child->is_purchasable() && !$child->has_child() && $child->is_on_sale()) {
                $on_sale = true;
                break;
            }
        }
        return 'view' === $context ? apply_filters('woocommerce_product_is_on_sale', $on_sale, $this) : $on_sale;
    }
    public function is_purchasable()
    {
        return apply_filters('woocommerce_is_purchasable', false, $this);
    }
    public function get_price_html($price = '')
    {
        $tax_display_mode = get_option('woocommerce_tax_display_shop');
        $child_prices = array();
        $children = array_filter(array_map('wc_get_product', $this->get_children()), 'wc_products_array_filter_visible_grouped');
        foreach ($children as $child) {
            if ('' !== $child->get_price()) {
                $child_prices[] = 'incl' === $tax_display_mode ? wc_get_price_including_tax($child) : wc_get_price_excluding_tax($child);
            }
        }
        if (!empty($child_prices)) {
            $min_price = min($child_prices);
            $max_price = max($child_prices);
        } else {
            $min_price = '';
            $max_price = '';
        }
        if ('' !== $min_price) {
            if ($min_price !== $max_price) {
                $price = wc_format_price_range($min_price, $max_price);
            } else {
                $price = wc_price($min_price);
            }
            $is_free = 0 === $min_price && 0 === $max_price;
            if ($is_free) {
                $price = apply_filters('woocommerce_grouped_free_price_html', __('Free!', 'woocommerce'), $this);
            } else {
                $price = apply_filters('woocommerce_grouped_price_html', $price . $this->get_price_suffix(), $this, $child_prices);
            }
        } else {
            $price = apply_filters('woocommerce_grouped_empty_price_html', '', $this);
        }
        return apply_filters('woocommerce_get_price_html', $price, $this);
    }
    public function get_children($context = 'view')
    {
        return $this->get_prop('children', $context);
    }
    public function set_children($children)
    {
        $this->set_prop('children', array_filter(wp_parse_id_list((array) $children)));
    }
    public static function sync($product, $save = true)
    {
        if (!is_a($product, 'WC_Product')) {
            $product = wc_get_product($product);
        }
        if (is_a($product, 'WC_Product_Grouped')) {
            $data_store = WC_Data_Store::load('product-' . $product->get_type());
            $data_store->sync_price($product);
            if ($save) {
                $product->save();
            }
        }
        return $product;
    }
}