PHP WC_Product_Variable类代码示例

 function test_varation_save_attributes()
 {
     // Create a variable product with a color attribute.
     $product = new WC_Product_Variable();
     $attribute = new WC_Product_Attribute();
     $attribute->set_id(0);
     $attribute->set_name('color');
     $attribute->set_options(explode(WC_DELIMITER, 'green | red'));
     $attribute->set_visible(true);
     $attribute->set_variation(true);
     $product->set_attributes(array($attribute));
     $product->save();
     // Create a new variation with the color 'green'.
     $variation = new WC_Product_Variation();
     $variation->set_parent_id($product->get_id());
     $variation->set_attributes(array('color' => 'green'));
     $variation->set_status('private');
     $variation->save();
     // Now update some value unrelated to attributes.
     $variation = wc_get_product($variation->get_id());
     $variation->set_status('publish');
     $variation->save();
     // Load up the updated variation and verify that the saved state is correct.
     $loaded_variation = wc_get_product($variation->get_id());
     $this->assertEquals('publish', $loaded_variation->get_status('edit'));
     $_attribute = $loaded_variation->get_attributes('edit');
     $this->assertEquals('green', $_attribute['color']);
 }

 /**
  * Use it to avoid repeated get_child calls for the same variation.
  *
  * @param  int                   $variation_id
  * @param  WC_Product_Variable   $product
  * @return WC_Product_Variation
  */
 function get_variation($variation_id, $product)
 {
     if (isset($this->variations_cache[$variation_id])) {
         return $this->variations_cache[$variation_id];
     }
     $variation = $product->get_child($variation_id, array('parent_id' => $product->id, 'parent' => $product));
     $this->variations_cache[$variation_id] = $variation;
     return $variation;
 }

 /**
  * Add woo attributes to a custom field with the same name
  *
  * @param $custom_fields
  * @param $post_id
  *
  * @return mixed
  */
 public function filter_custom_fields($custom_fields, $post_id)
 {
     if (!isset($custom_fields)) {
         $custom_fields = array();
     }
     // Get the product correponding to this post
     $product = wc_get_product($post_id);
     if (false === $product) {
         // Not a product
         return $custom_fields;
     }
     switch ($product->get_type()) {
         case self::PRODUCT_TYPE_VARIABLE:
             $product_variable = new WC_Product_Variable($product);
             foreach ($product_variable->get_available_variations() as $variation_array) {
                 foreach ($variation_array['attributes'] as $attribute_name => $attribute_value) {
                     if (!isset($custom_fields[$attribute_name])) {
                         $custom_fields[$attribute_name] = array();
                     }
                     if (!in_array($attribute_value, $custom_fields[$attribute_name], true)) {
                         array_push($custom_fields[$attribute_name], $attribute_value);
                     }
                 }
             }
             break;
         default:
             foreach ($product->get_attributes() as $attribute) {
                 //$terms = wc_get_product_terms( $product->id, $attribute['name'], array( 'fields' => 'names' ) );
                 // Remove the eventual 'pa_' prefix from the global attribute name
                 $attribute_name = $attribute['name'];
                 if (substr($attribute_name, 0, 3) === 'pa_') {
                     $attribute_name = substr($attribute_name, 3, strlen($attribute_name));
                 }
                 $custom_fields[$attribute_name] = explode(',', $product->get_attribute($attribute['name']));
             }
             break;
     }
     return $custom_fields;
 }

function wcva_return_displaytype_number($product, $post)
{
    $displaytypenumber = 0;
    $product = get_product($post->ID);
    $_coloredvariables = get_post_meta($product->id, '_coloredvariables', true);
    $displaytype = "none";
    if ($product->product_type == 'variable') {
        $product = new WC_Product_Variable($post->ID);
        $attributes = $product->get_variation_attributes();
    }
    if (!empty($attributes) && sizeof($attributes) > 0) {
        foreach ($attributes as $key => $values) {
            if (isset($_coloredvariables[$key]['display_type'])) {
                $displaytype = $_coloredvariables[$key]['display_type'];
            }
            if ($displaytype == "colororimage" || $displaytype == "radio") {
                $displaytypenumber++;
            }
        }
    }
    return $displaytypenumber;
}

 /**
  * Maybe display pricing table or anchor to display pricing table in modal
  * 
  * @access public
  * @return void
  */
 public function product_page_pricing_table()
 {
     if ($this->opt['settings']['display_table'] == 'hide' && (!isset($this->opt['settings']['display_offers']) || $this->opt['settings']['display_offers'] == 'hide')) {
         return;
     }
     global $product;
     if (!$product) {
         return;
     }
     // Load required classes
     require_once RP_WCDPD_PLUGIN_PATH . 'includes/classes/Pricing.php';
     $selected_rule = null;
     // Iterate over pricing rules and use the first one that has this product in conditions (or does not have if condition "not in list")
     if (isset($this->opt['pricing']['sets']) && count($this->opt['pricing']['sets'])) {
         foreach ($this->opt['pricing']['sets'] as $rule_key => $rule) {
             if ($rule['method'] == 'quantity' && ($validated_rule = RP_WCDPD_Pricing::validate_rule($rule))) {
                 if ($validated_rule['selection_method'] == 'all' && $this->user_matches_rule($validated_rule)) {
                     $selected_rule = $validated_rule;
                     break;
                 }
                 if ($validated_rule['selection_method'] == 'categories_include' && count(array_intersect($this->get_product_categories($product->id), $validated_rule['categories'])) > 0 && $this->user_matches_rule($validated_rule)) {
                     $selected_rule = $validated_rule;
                     break;
                 }
                 if ($validated_rule['selection_method'] == 'categories_exclude' && count(array_intersect($this->get_product_categories($product->id), $validated_rule['categories'])) == 0 && $this->user_matches_rule($validated_rule)) {
                     $selected_rule = $validated_rule;
                     break;
                 }
                 if ($validated_rule['selection_method'] == 'products_include' && in_array($product->id, $validated_rule['products']) && $this->user_matches_rule($validated_rule)) {
                     $selected_rule = $validated_rule;
                     break;
                 }
                 if ($validated_rule['selection_method'] == 'products_exclude' && !in_array($product->id, $validated_rule['products']) && $this->user_matches_rule($validated_rule)) {
                     $selected_rule = $validated_rule;
                     break;
                 }
             }
         }
     }
     if (is_array($selected_rule)) {
         // Quantity
         if ($selected_rule['method'] == 'quantity' && in_array($this->opt['settings']['display_table'], array('modal', 'inline')) && isset($selected_rule['pricing'])) {
             if ($product->product_type == 'variable') {
                 $product_variations = $product->get_available_variations();
             }
             // For variable products only - check if prices differ for different variations
             $multiprice_variable_product = false;
             if ($product->product_type == 'variable' && !empty($product_variations)) {
                 $last_product_variation = array_slice($product_variations, -1);
                 $last_product_variation_object = new WC_Product_Variable($last_product_variation[0]['variation_id']);
                 $last_product_variation_price = $last_product_variation_object->get_price();
                 foreach ($product_variations as $variation) {
                     $variation_object = new WC_Product_Variable($variation['variation_id']);
                     if ($variation_object->get_price() != $last_product_variation_price) {
                         $multiprice_variable_product = true;
                     }
                 }
             }
             if ($multiprice_variable_product) {
                 $variation_table_data = array();
                 foreach ($product_variations as $variation) {
                     $variation_product = new WC_Product_Variation($variation['variation_id']);
                     $variation_table_data[$variation['variation_id']] = $this->pricing_table_calculate_adjusted_prices($selected_rule['pricing'], $variation_product->get_price());
                 }
                 require_once RP_WCDPD_PLUGIN_PATH . 'includes/views/frontend/table-variable.php';
             } else {
                 if ($product->product_type == 'variable' && !empty($product_variations)) {
                     $variation_product = new WC_Product_Variation($last_product_variation[0]['variation_id']);
                     $table_data = $this->pricing_table_calculate_adjusted_prices($selected_rule['pricing'], $variation_product->get_price());
                 } else {
                     $table_data = $this->pricing_table_calculate_adjusted_prices($selected_rule['pricing'], $product->get_price());
                 }
                 require_once RP_WCDPD_PLUGIN_PATH . 'includes/views/frontend/table-' . $this->opt['settings']['display_table'] . '-' . $this->opt['settings']['pricing_table_style'] . '.php';
             }
         }
     }
 }

 /**
  * Bulk edit
  * @param integer $post_id
  * @param WC_Product $product
  */
 public function bulk_edit_save($post_id, $product)
 {
     $old_regular_price = $product->regular_price;
     $old_sale_price = $product->sale_price;
     // Save fields
     if (!empty($_REQUEST['change_weight']) && isset($_REQUEST['_weight'])) {
         update_post_meta($post_id, '_weight', wc_clean(stripslashes($_REQUEST['_weight'])));
     }
     if (!empty($_REQUEST['change_dimensions'])) {
         if (isset($_REQUEST['_length'])) {
             update_post_meta($post_id, '_length', wc_clean(stripslashes($_REQUEST['_length'])));
         }
         if (isset($_REQUEST['_width'])) {
             update_post_meta($post_id, '_width', wc_clean(stripslashes($_REQUEST['_width'])));
         }
         if (isset($_REQUEST['_height'])) {
             update_post_meta($post_id, '_height', wc_clean(stripslashes($_REQUEST['_height'])));
         }
     }
     if (!empty($_REQUEST['_tax_status'])) {
         update_post_meta($post_id, '_tax_status', wc_clean($_REQUEST['_tax_status']));
     }
     if (!empty($_REQUEST['_tax_class'])) {
         $tax_class = wc_clean($_REQUEST['_tax_class']);
         if ('standard' == $tax_class) {
             $tax_class = '';
         }
         update_post_meta($post_id, '_tax_class', $tax_class);
     }
     if (!empty($_REQUEST['_stock_status'])) {
         $stock_status = wc_clean($_REQUEST['_stock_status']);
         if ($product->is_type('variable')) {
             foreach ($product->get_children() as $child_id) {
                 if ('yes' !== get_post_meta($child_id, '_manage_stock', true)) {
                     wc_update_product_stock_status($child_id, $stock_status);
                 }
             }
             WC_Product_Variable::sync_stock_status($post_id);
         } else {
             wc_update_product_stock_status($post_id, $stock_status);
         }
     }
     if (!empty($_REQUEST['_shipping_class'])) {
         $shipping_class = '_no_shipping_class' == $_REQUEST['_shipping_class'] ? '' : wc_clean($_REQUEST['_shipping_class']);
         wp_set_object_terms($post_id, $shipping_class, 'product_shipping_class');
     }
     if (!empty($_REQUEST['_visibility'])) {
         if (update_post_meta($post_id, '_visibility', wc_clean($_REQUEST['_visibility']))) {
             do_action('woocommerce_product_set_visibility', $post_id, wc_clean($_REQUEST['_visibility']));
         }
     }
     if (!empty($_REQUEST['_featured'])) {
         if (update_post_meta($post_id, '_featured', stripslashes($_REQUEST['_featured']))) {
             delete_transient('wc_featured_products');
         }
     }
     // Sold Individually
     if (!empty($_REQUEST['_sold_individually'])) {
         if ($_REQUEST['_sold_individually'] == 'yes') {
             update_post_meta($post_id, '_sold_individually', 'yes');
         } else {
             update_post_meta($post_id, '_sold_individually', '');
         }
     }
     // Handle price - remove dates and set to lowest
     if ($product->is_type('simple') || $product->is_type('external')) {
         $price_changed = false;
         if (!empty($_REQUEST['change_regular_price'])) {
             $change_regular_price = absint($_REQUEST['change_regular_price']);
             $regular_price = esc_attr(stripslashes($_REQUEST['_regular_price']));
             switch ($change_regular_price) {
                 case 1:
                     $new_price = $regular_price;
                     break;
                 case 2:
                     if (strstr($regular_price, '%')) {
                         $percent = str_replace('%', '', $regular_price) / 100;
                         $new_price = $old_regular_price + round($old_regular_price * $percent, wc_get_price_decimals());
                     } else {
                         $new_price = $old_regular_price + $regular_price;
                     }
                     break;
                 case 3:
                     if (strstr($regular_price, '%')) {
                         $percent = str_replace('%', '', $regular_price) / 100;
                         $new_price = max(0, $old_regular_price - round($old_regular_price * $percent, wc_get_price_decimals()));
                     } else {
                         $new_price = max(0, $old_regular_price - $regular_price);
                     }
                     break;
                 default:
                     break;
             }
             if (isset($new_price) && $new_price != $old_regular_price) {
                 $price_changed = true;
//.........这里部分代码省略.........

 public function fixVariableStockStatus()
 {
     // get all parent variations
     $args = array('post_type' => 'product', 'posts_per_page' => -1, 'tax_query' => array(array('taxonomy' => 'product_type', 'field' => 'slug', 'terms' => array('variable'))));
     $query = new WP_Query($args);
     $parent_variations = $query->posts;
     // loop products
     foreach ($parent_variations as $post) {
         // $this->fixVariableStockStatusForProduct( $post->ID );
         WC_Product_Variable::sync_stock_status($post->ID);
     }
 }

 /**
  * Sync variable product prices with the children lowest/highest price per
  * unit.
  *
  * Code based on WC_Product_Variable version 2.0.0
  * @see WC_Product_Variable::variable_product_sync()
  * @see WC_Price_Calculator_Product::variable_product_unsync()
  *
  * @since 3.0
  * @param WC_Product_Variable $product the variable product
  * @param WC_Price_Calculator_Settings $settings the calculator settings
  */
 public static function variable_product_sync($product, $settings)
 {
     // save the original values so we can restore the product
     $product->wcmpc_min_variation_price = $product->min_variation_price;
     $product->wcmpc_min_variation_regular_price = $product->min_variation_regular_price;
     $product->wcmpc_min_variation_sale_price = $product->min_variation_sale_price;
     $product->wcmpc_max_variation_price = $product->max_variation_price;
     $product->wcmpc_max_variation_regular_price = $product->max_variation_regular_price;
     $product->wcmpc_max_variation_sale_price = $product->max_variation_sale_price;
     $product->wcmpc_price = $product->price;
     $product->min_variation_price = $product->min_variation_regular_price = $product->min_variation_sale_price = $product->max_variation_price = $product->max_variation_regular_price = $product->max_variation_sale_price = '';
     foreach ($product->get_children() as $variation_product_id) {
         $variation_product = apply_filters('wc_measurement_price_calculator_variable_product_sync', SV_WC_Plugin_Compatibility::wc_get_product($variation_product_id), $product);
         $child_price = $variation_product->price;
         $child_regular_price = $variation_product->regular_price;
         $child_sale_price = $variation_product->sale_price;
         // get the product measurement
         $measurement = self::get_product_measurement($variation_product, $settings);
         $measurement->set_unit($settings->get_pricing_unit());
         if ('' === $child_price && '' === $child_regular_price || !$measurement->get_value()) {
             continue;
         }
         // convert to price per unit
         if ('' !== $child_price) {
             $child_price /= $measurement->get_value();
         }
         // Regular prices
         if ($child_regular_price !== '') {
             // convert to price per unit
             $child_regular_price /= $measurement->get_value();
             if (!is_numeric($product->min_variation_regular_price) || $child_regular_price < $product->min_variation_regular_price) {
                 $product->min_variation_regular_price = $child_regular_price;
             }
             if (!is_numeric($product->max_variation_regular_price) || $child_regular_price > $product->max_variation_regular_price) {
                 $product->max_variation_regular_price = $child_regular_price;
             }
         }
         // Sale prices
         if ($child_sale_price !== '') {
             // convert to price per unit
             $child_sale_price /= $measurement->get_value();
             if ($child_price == $child_sale_price) {
                 if (!is_numeric($product->min_variation_sale_price) || $child_sale_price < $product->min_variation_sale_price) {
                     $product->min_variation_sale_price = $child_sale_price;
                 }
                 if (!is_numeric($product->max_variation_sale_price) || $child_sale_price > $product->max_variation_sale_price) {
                     $product->max_variation_sale_price = $child_sale_price;
                 }
             }
         }
         // Actual prices
         if ($child_price !== '') {
             if ($child_price > $product->max_variation_price) {
                 $product->max_variation_price = $child_price;
             }
             if ($product->min_variation_price === '' || $child_price < $product->min_variation_price) {
                 $product->min_variation_price = $child_price;
             }
         }
     }
     // as seen in WC_Product_Variable::get_price_html()
     $product->price = $product->min_variation_price;
 }

//.........这里部分代码省略.........
         case 'variable_width':
         case 'variable_height':
             if (empty($data['value'])) {
                 break;
             }
             $value = wc_clean($data['value']);
             $field = str_replace('variable', '', $bulk_action);
             $wpdb->query($wpdb->prepare("\n\t\t\t\t\tUPDATE {$wpdb->postmeta} AS postmeta\n\t\t\t\t\tINNER JOIN {$wpdb->posts} AS posts ON posts.post_parent = %d\n\t\t\t\t\tSET postmeta.meta_value = %s\n\t\t\t\t\tWHERE postmeta.meta_key = '%s'\n\t\t\t\t\tAND postmeta.post_id = posts.ID\n\t\t\t\t ", $product_id, $value, $field));
             break;
         case 'variable_download_limit':
         case 'variable_download_expiry':
             if (empty($data['value'])) {
                 break;
             }
             $value = wc_clean($data['value']);
             $field = str_replace('variable', '', $bulk_action);
             foreach ($variations as $variation_id) {
                 if ('yes' === get_post_meta($variation_id, '_downloadable', true)) {
                     update_post_meta($variation_id, $field, $value);
                 } else {
                     update_post_meta($variation_id, $field, '');
                 }
             }
             break;
         case 'delete_all':
             if (isset($data['allowed']) && 'true' === $data['allowed']) {
                 foreach ($variations as $variation_id) {
                     wp_delete_post($variation_id);
                 }
             }
             break;
         case 'variable_regular_price_increase':
         case 'variable_regular_price_decrease':
         case 'variable_sale_price_increase':
         case 'variable_sale_price_decrease':
             if (empty($data['value'])) {
                 break;
             }
             $field = str_replace(array('variable', '_increase', '_decrease'), '', $bulk_action);
             $operator = 'increase' === substr($bulk_action, -8) ? +1 : -1;
             foreach ($variations as $variation_id) {
                 // Price fields
                 $regular_price = get_post_meta($variation_id, '_regular_price', true);
                 $sale_price = get_post_meta($variation_id, '_sale_price', true);
                 // Date fields
                 $date_from = get_post_meta($variation_id, '_sale_price_dates_from', true);
                 $date_to = get_post_meta($variation_id, '_sale_price_dates_to', true);
                 $date_from = !empty($date_from) ? date('Y-m-d', $date_from) : '';
                 $date_to = !empty($date_to) ? date('Y-m-d', $date_to) : '';
                 if ('%' === substr($data['value'], -1)) {
                     $percent = wc_format_decimal(substr($data['value'], 0, -1));
                     if ('_regular_price' === $field) {
                         $regular_price += $regular_price / 100 * $percent * $operator;
                     } else {
                         $sale_price += $sale_price / 100 * $percent * $operator;
                     }
                 } else {
                     if ('_regular_price' === $field) {
                         $regular_price += $data['value'];
                     } else {
                         $sale_price += $data['value'];
                     }
                 }
                 _wc_save_product_price($variation_id, $regular_price, $sale_price, $date_from, $date_to);
             }
             break;
         case 'variable_sale_schedule':
             if (!isset($data['date_from']) && !isset($data['date_to'])) {
                 break;
             }
             foreach ($variations as $variation_id) {
                 // Price fields
                 $regular_price = get_post_meta($variation_id, '_regular_price', true);
                 $sale_price = get_post_meta($variation_id, '_sale_price', true);
                 // Date fields
                 $date_from = get_post_meta($variation_id, '_sale_price_dates_from', true);
                 $date_to = get_post_meta($variation_id, '_sale_price_dates_to', true);
                 if ('false' === $data['date_from']) {
                     $date_from = !empty($date_from) ? date('Y-m-d', $date_from) : '';
                 } else {
                     $date_from = $data['date_from'];
                 }
                 if ('false' === $data['date_to']) {
                     $date_to = !empty($date_to) ? date('Y-m-d', $date_to) : '';
                 } else {
                     $date_to = $data['date_to'];
                 }
                 _wc_save_product_price($variation_id, $regular_price, $sale_price, $date_from, $date_to);
             }
             break;
         default:
             do_action('woocommerce_bulk_edit_variations_default', $bulk_action, $data, $product_id, $variations);
             break;
     }
     do_action('woocommerce_bulk_edit_variations', $bulk_action, $data, $product_id, $variations);
     // Sync and update transients
     WC_Product_Variable::sync($product_id);
     wc_delete_product_transients($product_id);
     die;
 }

//.........这里部分代码省略.........
         $display_type = '';
     }
     if (!isset($columns)) {
         $columns = '4';
     }
     if (isset($per_page)) {
         $post_count = $per_page;
     }
     if (isset($number)) {
         $post_count = $number;
     }
     if (!isset($order)) {
         $order = 'ASC';
     }
     if (!isset($orderby)) {
         $orderby = 'date';
     }
     if (!isset($category)) {
         $category = '';
     }
     if (!isset($ids)) {
         $ids = '';
     }
     if ($ids) {
         $ids = explode(',', $ids);
         $ids = array_map('trim', $ids);
     }
     if ($columns == "2") {
         $columns = 6;
     } elseif ($columns == "3") {
         $columns = 4;
     } elseif ($columns == "4") {
         $columns = 3;
     }
     $meta_query = '';
     if ($display_type == "recent_products") {
         $meta_query = WC()->query->get_meta_query();
     }
     if ($display_type == "featured_products") {
         $meta_query = array(array('key' => '_visibility', 'value' => array('catalog', 'visible'), 'compare' => 'IN'), array('key' => '_featured', 'value' => 'yes'));
     }
     if ($display_type == "top_rated_products") {
         add_filter('posts_clauses', array(WC()->query, 'order_by_rating_post_clauses'));
         $meta_query = WC()->query->get_meta_query();
     }
     $args = array('post_type' => 'product', 'post_status' => 'publish', 'ignore_sticky_posts' => 1, 'posts_per_page' => $post_count, 'orderby' => $orderby, 'order' => $order, 'meta_query' => $meta_query);
     if ($display_type == "sale_products") {
         $product_ids_on_sale = woocommerce_get_product_ids_on_sale();
         $meta_query = array();
         $meta_query[] = $woocommerce->query->visibility_meta_query();
         $meta_query[] = $woocommerce->query->stock_status_meta_query();
         $args['meta_query'] = $meta_query;
         $args['post__in'] = $product_ids_on_sale;
     }
     if ($display_type == "best_selling_products") {
         $args['meta_key'] = 'total_sales';
         $args['orderby'] = 'meta_value_num';
         $args['meta_query'] = array(array('key' => '_visibility', 'value' => array('catalog', 'visible'), 'compare' => 'IN'));
     }
     if ($display_type == "product_category") {
         $args['tax_query'] = array(array('taxonomy' => 'product_cat', 'terms' => array(esc_attr($category)), 'field' => 'slug', 'operator' => 'IN'));
     }
     if ($display_type == "product_categories") {
         $args['tax_query'] = array(array('taxonomy' => 'product_cat', 'terms' => $ids, 'field' => 'term_id', 'operator' => 'IN'));
     }
     $query = new WP_Query($args);
     $output .= '<ul class="wcmp-product-list wcmp-img-' . $img_position . ' ' . $order . '">';
     if ($query->have_posts()) {
         while ($query->have_posts()) {
             $query->the_post();
             $product_id = get_the_ID();
             $post = get_post($product_id);
             $product_title = get_the_title();
             $product = new WC_Product($product_id);
             $attachment_ids = $product->get_gallery_attachment_ids();
             $price = $product->get_price_html();
             $rating = $product->get_rating_html();
             $product_var = new WC_Product_Variable($product_id);
             $available_variations = $product_var->get_available_variations();
             $output .= '<li>';
             $output .= '<a href="' . get_permalink($product_id) . '">';
             $product_img = wp_get_attachment_image_src(get_post_thumbnail_id($product_id), 'full');
             $output .= '<img style="' . $style . '" src="' . $product_img[0] . '"/>';
             $output .= '<span style="' . $title_style . '">' . $product_title . '</span>';
             $output .= '</a>';
             if ($display_type == "top_rated_products") {
                 $output .= '<div style="' . $rating_style . '">' . $rating . '</div>';
             }
             $output .= '<span class="amount" style="' . $pricing_style . '">' . $price . '</span>';
             $output .= '</li>';
         }
     }
     $output .= "\n" . '</ul>';
     $output .= "\n" . '</div>';
     if ($display_type == "top_rated_products") {
         remove_filter('posts_clauses', array(WC()->query, 'order_by_rating_post_clauses'));
     }
     wp_reset_postdata();
     return $output;
 }

 /**
  * set_stock_status function.
  */
 public function set_stock_status($status)
 {
     $status = 'outofstock' === $status ? 'outofstock' : 'instock';
     // Sanity check
     if (true === $this->managing_stock()) {
         if (!$this->backorders_allowed() && $this->get_stock_quantity() <= get_option('woocommerce_notify_no_stock_amount')) {
             $status = 'outofstock';
         }
     } elseif ('parent' === $this->managing_stock()) {
         if (!$this->parent->backorders_allowed() && $this->parent->get_stock_quantity() <= get_option('woocommerce_notify_no_stock_amount')) {
             $status = 'outofstock';
         }
     }
     if (update_post_meta($this->variation_id, '_stock_status', $status)) {
         do_action('woocommerce_variation_set_stock_status', $this->variation_id, $status);
         if (true === $this->managing_stock()) {
             WC_Product_Variable::sync_stock_status($this->id);
         }
     }
 }

 private function get_product_from_post($post_id)
 {
     $woocommerce_ver_below_2_1 = false;
     if (version_compare(WOOCOMMERCE_VERSION, '2.1', '<')) {
         $woocommerce_ver_below_2_1 = true;
     }
     if ($woocommerce_ver_below_2_1) {
         $product = new WC_Product_Simple($post_id);
     } else {
         $product = new WC_Product($post_id);
     }
     //$post_categories = wp_get_post_categories( $post_id );
     //$categories = get_the_category();
     try {
         $thumbnail = $product->get_image();
         if ($thumbnail) {
             if (preg_match('/data-lazy-src="([^\\"]+)"/s', $thumbnail, $match)) {
                 $thumbnail = $match[1];
             } else {
                 if (preg_match('/data-lazy-original="([^\\"]+)"/s', $thumbnail, $match)) {
                     $thumbnail = $match[1];
                 } else {
                     if (preg_match('/lazy-src="([^\\"]+)"/s', $thumbnail, $match)) {
                         // Animate Lazy Load Wordpress Plugin
                         $thumbnail = $match[1];
                     } else {
                         if (preg_match('/data-echo="([^\\"]+)"/s', $thumbnail, $match)) {
                             $thumbnail = $match[1];
                         } else {
                             preg_match('/<img(.*)src(.*)=(.*)"(.*)"/U', $thumbnail, $result);
                             $thumbnail = array_pop($result);
                         }
                     }
                 }
             }
         }
     } catch (Exception $e) {
         $err_msg = "exception raised in thumbnails";
         self::send_error_report($err_msg);
         $thumbnail = '';
     }
     // handling scheduled sale price update
     if (!$woocommerce_ver_below_2_1) {
         $sale_price_dates_from = get_post_meta($post_id, '_sale_price_dates_from', true);
         $sale_price_dates_to = get_post_meta($post_id, '_sale_price_dates_to', true);
         if ($sale_price_dates_from || $sale_price_dates_to) {
             self::schedule_sale_price_update($post_id, null);
         }
         if ($sale_price_dates_from) {
             self::schedule_sale_price_update($post_id, $sale_price_dates_from);
         }
         if ($sale_price_dates_to) {
             self::schedule_sale_price_update($post_id, $sale_price_dates_to);
         }
     }
     $product_tags = array();
     foreach (wp_get_post_terms($post_id, 'product_tag') as $tag) {
         $product_tags[] = $tag->name;
     }
     $product_brands = array();
     if (taxonomy_exists('product_brand')) {
         foreach (wp_get_post_terms($post_id, 'product_brand') as $brand) {
             $product_brands[] = $brand->name;
         }
     }
     $taxonomies = array();
     try {
         $all_taxonomies = get_option('wcis_taxonomies');
         if (is_array($all_taxonomies)) {
             foreach ($all_taxonomies as $taxonomy) {
                 if (taxonomy_exists($taxonomy) && !array_key_exists($taxonomy, $taxonomies)) {
                     foreach (wp_get_post_terms($post_id, $taxonomy) as $taxonomy_value) {
                         if (!array_key_exists($taxonomy, $taxonomies)) {
                             $taxonomies[$taxonomy] = array();
                         }
                         $taxonomies[$taxonomy][] = $taxonomy_value->name;
                     }
                 }
             }
         }
     } catch (Exception $e) {
     }
     $acf_fields = array();
     try {
         if (class_exists('acf') && function_exists('get_field')) {
             $all_acf_fields = get_option('wcis_acf_fields');
             if (is_array($all_acf_fields)) {
                 foreach ($all_acf_fields as $acf_field_name) {
                     $acf_field_value = get_field($acf_field_name, $post_id);
                     if ($acf_field_value) {
                         $acf_fields[$acf_field_name] = $acf_field_value;
                     }
                 }
             }
         }
     } catch (Exception $e) {
     }
     $send_product = array('product_id' => $product->id, 'currency' => get_woocommerce_currency(), 'price' => $product->get_price(), 'url' => get_permalink($product->id), 'thumbnail_url' => $thumbnail, 'action' => 'insert', 'description' => $product->get_post_data()->post_content, 'short_description' => $product->get_post_data()->post_excerpt, 'name' => $product->get_title(), 'sku' => $product->get_sku(), 'categories' => $product->get_categories(), 'tag' => $product_tags, 'store_id' => get_current_blog_id(), 'identifier' => (string) $product->id, 'product_brand' => $product_brands, 'taxonomies' => $taxonomies, 'acf_fields' => $acf_fields, 'sellable' => $product->is_purchasable(), 'visibility' => $product->is_visible(), 'stock_quantity' => $product->get_stock_quantity(), 'is_managing_stock' => $product->managing_stock(), 'is_backorders_allowed' => $product->backorders_allowed(), 'is_purchasable' => $product->is_purchasable(), 'is_in_stock' => $product->is_in_stock(), 'product_status' => get_post_status($post_id));
     try {
         $variable = new WC_Product_Variable($post_id);
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                }
                break;
            case 3:
                // Check access - cannot use nonce here as it will expire after multiple requests
                if (!current_user_can('manage_woocommerce')) {
                    die;
                }
                add_filter('http_request_timeout', array($this, 'bump_request_timeout'));
                if (function_exists('gc_enable')) {
                    gc_enable();
                }
                @set_time_limit(0);
                @ob_flush();
                @flush();
                $wpdb->hide_errors();
                $file = stripslashes($_POST['file']);
                $mapping = json_decode(stripslashes($_POST['mapping']), true);
                $start_pos = isset($_POST['start_pos']) ? absint($_POST['start_pos']) : 0;
                $end_pos = isset($_POST['end_pos']) ? absint($_POST['end_pos']) : '';
                $position = $this->import_start($file, $mapping, $start_pos, $end_pos);
                $this->import();
                $this->import_end();
                $results = array();
                $results['import_results'] = $this->import_results;
                $results['processed_terms'] = $this->processed_terms;
                $results['processed_posts'] = $this->processed_posts;
                $results['post_orphans'] = $this->post_orphans;
                $results['attachments'] = $this->attachments;
                $results['upsell_skus'] = $this->upsell_skus;
                $results['crosssell_skus'] = $this->crosssell_skus;
                echo "<!--WC_START-->";
                echo json_encode($results);
                echo "<!--WC_END-->";
                exit;
                break;
            case 4:
                // Check access - cannot use nonce here as it will expire after multiple requests
                if (!current_user_can('manage_woocommerce')) {
                    die;
                }
                add_filter('http_request_timeout', array($this, 'bump_request_timeout'));
                if (function_exists('gc_enable')) {
                    gc_enable();
                }
                @set_time_limit(0);
                @ob_flush();
                @flush();
                $wpdb->hide_errors();
                $this->processed_terms = isset($_POST['processed_terms']) ? $_POST['processed_terms'] : array();
                $this->processed_posts = isset($_POST['processed_posts']) ? $_POST['processed_posts'] : array();
                $this->post_orphans = isset($_POST['post_orphans']) ? $_POST['post_orphans'] : array();
                $this->crosssell_skus = isset($_POST['crosssell_skus']) ? array_filter((array) $_POST['crosssell_skus']) : array();
                $this->upsell_skus = isset($_POST['upsell_skus']) ? array_filter((array) $_POST['upsell_skus']) : array();
                _e('Cleaning up...', 'wc_csv_import') . ' ';
                wp_defer_term_counting(true);
                wp_defer_comment_counting(true);
                _e('Clearing transients...', 'wc_csv_import') . ' ';
                echo 'Reticulating Splines...' . ' ';
                // Easter egg
                // reset transients for products
                if (function_exists('wc_delete_product_transients')) {
                    wc_delete_product_transients();
                } else {
                    $woocommerce->clear_product_transients();
                }
                delete_transient('wc_attribute_taxonomies');
                $wpdb->query("DELETE FROM `{$wpdb->options}` WHERE `option_name` LIKE ('_transient_wc_product_type_%')");
                _e('Backfilling parents...', 'wc_csv_import') . ' ';
                $this->backfill_parents();
                if (!empty($this->upsell_skus)) {
                    _e('Linking upsells...', 'wc_csv_import') . ' ';
                    foreach ($this->upsell_skus as $post_id => $skus) {
                        $this->link_product_skus('upsell', $post_id, $skus);
                    }
                }
                if (!empty($this->crosssell_skus)) {
                    _e('Linking crosssells...', 'wc_csv_import') . ' ';
                    foreach ($this->crosssell_skus as $post_id => $skus) {
                        $this->link_product_skus('crosssell', $post_id, $skus);
                    }
                }
                if ('woocommerce_variation_csv' == $this->import_page && !empty($this->processed_posts)) {
                    _e('Syncing variations...', 'wc_csv_import') . ' ';
                    $synced = array();
                    foreach ($this->processed_posts as $post_id) {
                        $parent = wp_get_post_parent_id($post_id);
                        if (!in_array($parent, $synced)) {
                            WC_Product_Variable::sync($parent);
                            $synced[] = $parent;
                        }
                    }
                }
                // SUCCESS
                _e('Finished. Import complete.', 'wc_csv_import');
                $this->import_end();
                exit;
                break;
        }
        $this->footer();
    }

        }
        /* update _price with sale price */
        $rows = $wpdb->get_results($wpdb->prepare("SELECT post_id, meta_value FROM {$wpdb->postmeta} WHERE meta_value !='' AND meta_key = %s", $pre_meta_key . '_sale_price'));
        foreach ($rows as $row) {
            update_post_meta($row->post_id, $pre_meta_key . '_price', $row->meta_value);
        }
    }
}
/* rename options regions */
delete_option('_oga_wppbc_countries_groups');
add_option('wc_price_based_country_regions', $regions);
/* sync variable products */
require_once WC()->plugin_path() . '/includes/class-wc-product-variable.php';
$rows = $wpdb->get_results($wpdb->prepare("SELECT distinct post_parent FROM {$wpdb->posts} where post_type = %s", 'product_variation'));
foreach ($rows as $row) {
    WC_Product_Variable::sync($row->post_parent);
}
/* rename and update test options */
add_option('wc_price_based_country_test_mode', get_option('wc_price_based_country_debug_mode'));
delete_option('wc_price_based_country_debug_mode');
$test_ip = get_option('wc_price_based_country_debug_ip');
if ($test_ip) {
    $country = WC_Geolocation::geolocate_ip($test_ip);
    add_option('wc_price_based_country_test_country', $country['country']);
}
delete_option('wc_price_based_country_debug_ip');
/* unschedule geoip donwload */
if (wp_next_scheduled('wcpbc_update_geoip')) {
    wp_clear_scheduled_hook('wcpbc_update_geoip');
}
delete_option('wc_price_based_country_update_geoip');

 /**
  * Create a variable registration product object.
  *
  * @access public
  * @param mixed $product
  */
 public function __construct($product)
 {
     parent::__construct($product);
     $this->parent_product_type = $this->product_type;
     $this->product_type = 'registrations';
     add_filter('woocommerce_add_to_cart_handler', array(&$this, 'add_to_cart_handler'), 10, 2);
 }