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<?php namespace ExternalImporter\application\components; defined('\ABSPATH') \|\| exit; use \ExternalImporter\application\libs\pextractor\parser\Product; use ExternalImporter\application\GalleryScheduler; use ExternalImporter\application\admin\WooConfig; use ExternalImporter\application\admin\DeeplinkConfig; use ExternalImporter\application\admin\SyncConfig; use ExternalImporter\application\helpers\WooHelper; use ExternalImporter\application\helpers\TextHelper; use ExternalImporter\application\ExternalImage; use ExternalImporter\application\components\Dropshipping; use ExternalImporter\application\admin\DropshippingConfig; use ExternalImporter\application\components\scrap\ScrapFactory; use ExternalImporter\application\LinkProcessor; use function ExternalImporter\prn; use function ExternalImporter\prnx; /** * WooImporter class file * * @author keywordrush.com <support@keywordrush.com> * @link https://www.keywordrush.com * @copyright Copyright © 2025 keywordrush.com / class WooImporter { const META_PRODUCT_URL = '_ei_product_url'; const META_PRODUCT_DOMAIN = '_ei_product_domain'; const META_LAST_UPDATE = '_ei_last_update'; const META_PRODUCT = '_ei_product'; const META_PRODUCT_INFO = '_ei_product_info'; public static function maybeInsert(Product $product, array $params = array()) { if (WooConfig::getInstance()->option('avoid_duplicates') && self::isProductExistsByUrl($product->link)) throw new \Exception(__('Product already exists.', 'external-importer')); return self::insert($product, $params); } public static function insert(Product $product, array $params = array()) { ScrapFactory::init(); $product_type = WooConfig::getInstance()->option('product_type'); $import_variations = WooConfig::getInstance()->option('import_variations'); if ($product_type == 'external') $objProduct = new \WC_Product_External(); elseif ($product_type == 'simple' && $import_variations && $product->variations) $objProduct = new \WC_Product_Variable(); else $objProduct = new \WC_Product(); // status $product_status = WooConfig::getInstance()->option('product_status'); if (in_array($product_status, array('publish', 'pending', 'draft'))) $objProduct->set_status($product_status); // category $dynamic_categories = WooConfig::getInstance()->option('dynamic_categories'); $c_id = 0; if ($dynamic_categories == 'create' && $product->category) $c_id = WooHelper::createCategory($product->category); elseif ($dynamic_categories == 'nested' && $product->categoryPath) $c_id = WooHelper::createCategory($product->categoryPath); if (!$c_id) { if (!empty($params['category'])) $c_id = (int) $params['category']; else $c_id = (int) WooConfig::getInstance()->option('default_category'); } $objProduct->set_category_ids(array($c_id)); // title $title = WooConfig::getInstance()->option('title_template'); $title = WooHelper::buildTemplate($title, $product); $title = trim(\sanitize_text_field($title)); if (!$title) $title = $product->title; $objProduct->set_name($title); // sku $import_sku = WooConfig::getInstance()->option('import_sku'); $sku = ''; if ($import_sku == 'enabled' && $product->sku) $sku = $product->sku; elseif ($import_sku == 'generate' \|\| $import_sku == 'enabled_generate') $sku = self::generateSku(); if ($sku) $objProduct->set_sku($sku); // GTIN if (WooConfig::getInstance()->option('import_gtin') && $product->gtin && version_compare(\WC_VERSION, '9.2', '>=')) $objProduct->set_global_unique_id($product->gtin); // description if ($product->description) { if ($truncate = (int) WooConfig::getInstance()->option('truncate_description')) $product->description = TextHelper::truncateHtml($product->description, $truncate); } $description = WooConfig::getInstance()->option('body_template'); $description = WooHelper::buildTemplate($description, $product); $description = trim(\wp_kses_post($description)); if (!$description) $description = $product->description; if ($description && $product->shortDescription) { $objProduct->set_short_description($product->shortDescription); $objProduct->set_description($description); } elseif ($description) { $import_description = WooConfig::getInstance()->option('import_description'); $auto = false; if ($import_description == 'auto') { $size = mb_strlen($description, 'utf-8'); if ($size < 250) $auto = 'short'; else $auto = 'full'; } if ($import_description == 'short' \|\| ($auto && $auto == 'short')) $objProduct->set_short_description($description); elseif ($import_description == 'full' \|\| ($auto && $auto == 'full')) $objProduct->set_description($description); } // price self::applayPrice($objProduct, $product, WooConfig::getInstance()->option('import_price'), WooConfig::getInstance()->option('import_old_price')); // stock status if (WooConfig::getInstance()->option('import_stock_status')) self::applayStockStatus($objProduct, $product); // url if ($objProduct->get_type() == 'external' && WooConfig::getInstance()->option('import_url')) { $link = $product->link; if (WooConfig::getInstance()->option('import_url_type') == 'affiliate') $link = LinkProcessor::generateAffiliateUrl($link); $objProduct->set_product_url($link); } // stock quantity // only if product type is not variation if (WooConfig::getInstance()->option('import_stock_quantity')) self::applayStockQuantity($objProduct, $product); // image if ($product->image && WooConfig::getInstance()->option('import_image') == 'enabled') { if ($media_id = WooHelper::uploadMedia($product->image, $objProduct->get_id(), $product->title)) $objProduct->set_image_id($media_id); } // catalog visibility $objProduct->set_catalog_visibility(WooConfig::getInstance()->option('catalog_visibility')); if (!$product->inStock && SyncConfig::getInstance()->option('outofstock_product') == 'hide_product') $objProduct->set_catalog_visibility('hidden'); // save $product_id = $objProduct->save(); // external featured image ExternalImage::maybeSetExternalFeaturedImage($objProduct, $product->image); // brand $import_brand = WooConfig::getInstance()->option('import_brand'); if ($import_brand !== 'disabled' && version_compare(WC_VERSION, '9.6', '>=')) { self::enableBrandTaxonomy(); if ($import_brand == 'manufacturer' && $product->manufacturer) $brand = $product->manufacturer; elseif ($import_brand == 'domain' && $product->domain) $brand = $product->domain; else $brand = ''; if ($brand) \wp_set_object_terms($product_id, \sanitize_text_field($brand), 'product_brand', true); } // brand taxonomy (Rehub feature) if (WooHelper::isRehubTheme()) { if (\apply_filters('ie_import_brand', true) && $product->manufacturer) \wp_set_object_terms($product_id, \sanitize_text_field($product->manufacturer), 'store', true); elseif (\apply_filters('ie_import_store', true) && $product->domain) \wp_set_object_terms($product_id, \sanitize_text_field($product->domain), 'store', true); } // reviews if (WooConfig::getInstance()->option('import_reviews') && $product->reviews) { if ($reviews_number = WooConfig::getInstance()->option('import_reviews_number')) $product->reviews = array_slice($product->reviews, 0, $reviews_number); self::addReviews($product->reviews, $product_id); } if (WooConfig::getInstance()->option('import_rating_value') && $product->ratingValue) { \update_post_meta($product_id, '_wc_average_rating', $product->ratingValue); \update_post_meta($product_id, '_wc_rating_count', 1); } if (WooConfig::getInstance()->option('import_review_сount') && $product->reviewCount) { \update_post_meta($product_id, '_wc_review_count', $product->reviewCount); \update_post_meta($product_id, '_wc_rating_count', 1); } // tags if ($tags = WooConfig::getInstance()->option('import_tags')) { $tags = TextHelper::commaList($tags); $tags = WooHelper::buildTemplate($tags, $product); $tags = explode(',', $tags); if ($tags) \wp_set_object_terms($product_id, $tags, 'product_tag'); } // custom fields self::proccessCustomFields($product, $product_id, false); if ($fields = WooConfig::getInstance()->option('custom_fields')) { foreach ($fields as $field) { $cf_name = \sanitize_text_field($field['cf_name']); $cf_value = \sanitize_text_field($field['cf_value']); $cf_value = WooHelper::fixJsonBrackets($cf_value); // spin conflict $cf_value = WooHelper::buildTemplate($cf_value, $product); $cf_value = preg_replace('~^\[(.+)\]$~', '{$1}', $cf_value); $cf_value_decoded = json_decode($cf_value, true); if ($cf_value_decoded) $cf_value = $cf_value_decoded; \update_post_meta($product_id, \wp_slash($cf_name), \wp_slash($cf_value)); } } // gallery $gallery_number = WooConfig::getInstance()->option('import_gallery_number'); // do not increase the maximum limit of 10 images (becouse external gallery images) if (!$gallery_number \|\| !$gallery_number > 10) $gallery_number = 10; $gallery_number = \apply_filters('ei_gallery_max_images', $gallery_number); $product->images = array_slice($product->images, 0, $gallery_number); if ($product->images && WooConfig::getInstance()->option('import_gallery') == 'enabled') { GalleryScheduler::addGalleryTask($product_id, $product->images); } // external gallery ExternalImage::maybeSetExternalGallery($objProduct, $product->images); // variations if ($product_type == 'simple' && $import_variations && $product->variations) self::createProductVariations($product_id, $product->variations, $product); // attributes if (WooConfig::getInstance()->option('import_attributes') && $product->features) self::addAttributes($product->features, $product_id); self::setAllMetaSuccess($product_id, $product); DeeplinkConfig::getInstance()->maybeAddDeeplinkDomainByUrl($product->link); return $product_id; } public static function update(Product $newProduct, $product_id) { $objProduct = \wc_get_product($product_id); if ($objProduct->is_type('variation')) $product = $newProduct; else $product = self::getProductMeta($product_id); // fix if (!$product) { self::setLastUpdateMeta($product_id); return; } // price if ($sync_price = SyncConfig::getInstance()->option('sync_price')) { $product->price = $newProduct->price; if ($sync_old_price = SyncConfig::getInstance()->option('sync_old_price')) $product->oldPrice = $newProduct->oldPrice; if ($newProduct->currencyCode) $product->currencyCode = $newProduct->currencyCode; self::applayPrice($objProduct, $product, $sync_price, $sync_old_price); } // stock quantity if (SyncConfig::getInstance()->option('sync_stock_quantity')) { $product->stockQuantity = $newProduct->stockQuantity; self::applayStockQuantity($objProduct, $product); } // stock status if (SyncConfig::getInstance()->option('sync_stock_status')) { $product->inStock = $newProduct->inStock; $product->availability = $newProduct->availability; self::applayStockStatus($objProduct, $product); } // custom fields self::proccessCustomFields($newProduct, $product_id, true); // update affiliate links directly if ($objProduct->get_type() == 'external' && WooConfig::getInstance()->option('import_url') && WooConfig::getInstance()->option('import_url_type') == 'affiliate') { $link = LinkProcessor::generateAffiliateUrl($product->link); $objProduct->set_product_url($link); } // Out of Stock products if (!$product->inStock) self::proccessOutOfStock($objProduct, $product); else $objProduct->set_catalog_visibility(WooConfig::getInstance()->option('catalog_visibility')); if ($product->inStock) self::proccessInStockStock($objProduct, $product); // save $objProduct->save(); // update external featured image ExternalImage::maybeSetExternalFeaturedImage($objProduct, $newProduct->image); // update variations if ($objProduct->get_type() == 'variable' && $newProduct->variations && WooConfig::getInstance()->option('import_variations')) { foreach ($newProduct->variations as $variation) { $variation_id = self::findVariationByAttributes($objProduct->get_id(), $variation->attributes); if ($variation_id) { self::update($variation, $variation_id); } } } if (!$objProduct->is_type('variation')) { self::setAllMetaSuccess($product_id, $product); } } public static function getLastInStock($product_id) { $info = WooImporter::getProductInfoMeta($product_id); if (!empty($info['last_in_stock'])) return $info['last_in_stock']; else return 0; } private static function proccessInStockStock($objProduct, Product $product) { if (get_post_status($objProduct->get_id()) == 'trash') { $outofstock_product = SyncConfig::getInstance()->option('outofstock_product'); if (substr($outofstock_product, 0, 13) == 'move_to_trash') \wp_untrash_post($objProduct->get_id()); } } private static function proccessOutOfStock($objProduct, Product $product) { $outofstock_product = SyncConfig::getInstance()->option('outofstock_product'); if ($outofstock_product == 'hide_product') $objProduct->set_catalog_visibility('hidden'); elseif (substr($outofstock_product, 0, 13) == 'move_to_trash') { $days = (int) trim(str_replace('move_to_trash', '', $outofstock_product), "_"); if (!$days \|\| (time() - self::getLastInStock($objProduct->get_id()) >= $days 24 * 3600)) \wp_trash_post($objProduct->get_id()); } } private static function applayPrice($objProduct, Product $product, $applay_price, $applay_old_price) { if (in_array($objProduct->get_type(), array('simple', 'variation', 'variable'))) $convert = true; elseif ($objProduct->is_type('external') && WooConfig::getInstance()->option('currency') == 'convert') $convert = true; else $convert = false; if ($applay_price && $product->price) { $product->price = WooHelper::convertPrice($product->price, $product->currencyCode, $convert); if ($product->oldPrice) $product->oldPrice = WooHelper::convertPrice($product->oldPrice, $product->currencyCode, $convert); if ($convert) $product->currencyCode = \get_woocommerce_currency(); $calculated_price = Dropshipping::calculatePrice($product->price, $product->domain, $objProduct); $objProduct->set_price($calculated_price); if ($calculated_price != $product->price) { if (DropshippingConfig::getInstance()->option('old_price')) $product->oldPrice = Dropshipping::calculatePrice($product->oldPrice, $product->domain, $objProduct); else $product->oldPrice = 0; } // old price if ($applay_old_price) { if ($product->oldPrice) { $objProduct->set_regular_price($product->oldPrice); $objProduct->set_sale_price($calculated_price); } else { $objProduct->set_regular_price($calculated_price); $objProduct->set_sale_price(null); } } else $objProduct->set_regular_price($calculated_price); } } private static function applayStockStatus($objProduct, $product) { if (in_array($objProduct->get_type(), array('simple', 'variation', 'variable'))) { if ($product->availability == 'Backorder') $objProduct->set_stock_status('onbackorder'); elseif ($product->inStock) $objProduct->set_stock_status('instock'); else $objProduct->set_stock_status('outofstock'); } } private static function applayStockQuantity($objProduct, $product) { if (!in_array($objProduct->get_type(), array('simple', 'variation'))) return; if ($product->stockQuantity === null \|\| $product->stockQuantity === '') return; if (!$product->stockQuantity) $product->stockQuantity = 0; $objProduct->set_manage_stock(true); $objProduct->set_stock_quantity((int)$product->stockQuantity); } public static function setAllMetaSuccess($product_id, Product $product) { self::setProductMeta($product_id, $product); self::setProductUrlMeta($product_id, $product->link); self::setLastUpdateMeta($product_id); $info = array(); if ($product->inStock) $info['last_in_stock'] = time(); $info['last_error'] = ''; $info['last_error_code'] = ''; self::addProductInfoMeta($product_id, $info); } public static function setProductMeta($product_id, Product $product) { \update_post_meta($product_id, self::META_PRODUCT, $product); } public static function getProductMeta($product_id) { return \get_post_meta($product_id, self::META_PRODUCT, true); } public static function setProductUrlMeta($product_id, $url) { \update_post_meta($product_id, self::META_PRODUCT_URL, $url); $domain = TextHelper::getHostName($url); self::setProductDomainMeta($product_id, $domain); } public static function getProductUrlMeta($product_id) { return \get_post_meta($product_id, self::META_PRODUCT_URL, true); } public static function setProductDomainMeta($product_id, $domain) { \update_post_meta($product_id, self::META_PRODUCT_DOMAIN, $domain); } public static function getProductDomainMeta($product_id) { return \get_post_meta($product_id, self::META_PRODUCT_DOMAIN, true); } public static function setLastUpdateMeta($product_id, $time = null) { if (!$time) $time = time(); \update_post_meta($product_id, self::META_LAST_UPDATE, $time); } public static function getLastUpdateMeta($product_id) { return \get_post_meta($product_id, self::META_LAST_UPDATE, true); } public static function setProductInfoMeta($product_id, array $info) { \update_post_meta($product_id, self::META_PRODUCT_INFO, $info); } public static function getProductInfoMeta($product_id) { return \get_post_meta($product_id, self::META_PRODUCT_INFO, true); } public static function addProductInfoMeta($product_id, array $info) { if (!$data = self::getProductInfoMeta($product_id)) $data = array(); $data = array_replace($data, $info); self::setProductInfoMeta($product_id, $data); } public static function addReviews($reviews, $product_id) { $comment = array( 'comment_post_ID' => $product_id, 'comment_author_email' => '', 'comment_author_url' => '', 'comment_type' => 'review', 'comment_parent' => 0, 'user_id' => 0, 'comment_approved' => 1, ); $truncate = (int) WooConfig::getInstance()->option('truncate_reviews'); $import_reviews_rating = WooConfig::getInstance()->option('import_reviews_rating'); foreach ($reviews as $review) { $comment_content = TextHelper::sanitizeHtml($review['review']); if ($truncate) $comment_content = TextHelper::truncateHtml($comment_content, $truncate); $comment['comment_content'] = $comment_content; $comment['comment_author'] = $review['author'] ? \sanitize_text_field($review['author']) : ''; $comment['comment_date'] = $review['date'] ? date('Y-m-d H:i:s', $review['date']) : null; if (!$comment_id = \wp_insert_comment(\wp_slash($comment))) continue; if ($import_reviews_rating && isset($review['rating']) && $review['rating'] > 0 && $review['rating'] <= 5) \add_comment_meta($comment_id, 'rating', $review['rating'], true); } \update_post_meta($product_id, '_wc_review_count', count($reviews)); if (class_exists('\WC_Comments')) \WC_Comments::clear_transients($product_id); // Ensure product average rating and review count is kept up to date. } public static function createTaxonomyAttribute($slug, $name, $type = 'text') { global $wpdb; $attribute = array(); $attribute['attribute_label'] = \wc_clean($slug); $attribute['attribute_name'] = \wc_sanitize_taxonomy_name($name); $attribute['attribute_type'] = $type; $attribute['attribute_orderby'] = 'menu_order'; // validate slug if (strlen($attribute['attribute_name']) >= 28 \|\| \wc_check_if_attribute_name_is_reserved($attribute['attribute_name'])) return false; if (\taxonomy_exists(\wc_attribute_taxonomy_name($attribute['attribute_name']))) return \wc_attribute_taxonomy_id_by_name($attribute['attribute_name']); // Create the taxonomy $insert = $wpdb->insert($wpdb->prefix . 'woocommerce_attribute_taxonomies', $attribute); if (\is_wp_error($insert)) return false; $id = $wpdb->insert_id; \wp_schedule_single_event(time(), 'woocommerce_flush_rewrite_rules'); \delete_transient('wc_attribute_taxonomies'); return $id; } public static function getSlug($name) { // already exists? $taxonomies = \wc_get_attribute_taxonomies(); foreach ($taxonomies as $taxonomie) { if ($taxonomie->attribute_label == $name) return $taxonomie->attribute_name; } $slug = strtolower(TextHelper::sluggable($name)); if (strlen($slug) >= 28) $slug = substr($slug, 0, 27); $slug = \wc_sanitize_taxonomy_name($slug); return $slug; } public static function value2Array($value) { $list = preg_split('/[,\|;\/]\s/', $value); $list = array_map('trim', $list); $list = array_map('\wc_sanitize_term_text_based', $list); return $list; } public static function findWooProductByUrl($url) { global $wpdb; $sql = "SELECT post_id FROM {$wpdb->postmeta} AS pm JOIN {$wpdb->posts} AS p ON pm.post_id = p.ID WHERE pm.meta_key = %s AND pm.meta_value = %s AND p.post_status != 'trash'"; $sql = $wpdb->prepare($sql, self::META_PRODUCT_URL, $url); $product_id = $wpdb->get_var($sql); return $product_id; } public static function isProductExistsByUrl($url) { if (self::findWooProductByUrl($url)) return true; else return false; } public static function generateSku() { return strtoupper(substr(str_shuffle(md5(microtime())), 0, 8)); } public static function createProductVariations($product_id, array $variations, $product) { $all_attributes = array(); foreach ($variations as $v) { foreach ($v->attributes as $attribute) { if (!isset($all_attributes[$attribute['name']])) $all_attributes[$attribute['name']] = array(); $all_attributes[$attribute['name']][] = $attribute['value']; } } $attributes = array(); foreach ($all_attributes as $name => $value) { $attributes[] = array( 'name' => $name, 'value' => join(', ', $value), ); } self::addAttributes($attributes, $product_id, true); foreach ($variations as $v) { self::createProductVariation($product_id, $v, $product); } } public static function createProductVariation($product_id, $v, $product) { if (!$parent_product = \wc_get_product($product_id)) return false; $variation_post = array( 'post_title' => $parent_product->get_name(), 'post_name' => 'product-' . $product_id . '-variation', 'post_status' => 'publish', 'post_parent' => $product_id, 'post_type' => 'product_variation', 'guid' => $parent_product->get_permalink() ); $variation_id = \wp_insert_post($variation_post); $variation = new \WC_Product_Variation($variation_id); // attributes $save_attributes = array(); foreach ($v->attributes as $attribute) { $taxonomy = \wc_clean($attribute['name']); $taxonomy = \wc_sanitize_taxonomy_name($taxonomy); $taxonomy = self::getSlug($taxonomy); $term = \wc_sanitize_term_text_based($attribute['value']); $save_attributes[$taxonomy] = $term; } $variation->set_attributes($save_attributes); // sku $import_sku = WooConfig::getInstance()->option('import_sku'); $sku = ''; if ($import_sku == 'enabled' && $v->sku) $sku = $v->sku; elseif ($import_sku == 'generate' \|\| $import_sku == 'enabled_generate') $sku = self::generateVariantSku($parent_product->get_sku(), $v->attributes); if ($sku) $variation->set_sku($sku); // GTIN if (WooConfig::getInstance()->option('import_gtin') && $v->gtin && version_compare(\WC_VERSION, '9.2', '>=')) $variation->set_global_unique_id($v->gtin); // price self::applayPrice($variation, $v, WooConfig::getInstance()->option('import_price'), WooConfig::getInstance()->option('import_old_price')); // stock status if (WooConfig::getInstance()->option('import_stock_status')) self::applayStockStatus($variation, $v); // stock quantity if (WooConfig::getInstance()->option('import_stock_quantity')) self::applayStockQuantity($variation, $v); // image if ($v->image && WooConfig::getInstance()->option('import_image') == 'enabled') { if ($media_id = WooHelper::uploadMedia($v->image, $variation->get_id(), $product->title)) $variation->set_image_id($media_id); } $variation->save(); // ============= return; foreach ($v->attributes as $attribute) { $taxonomy = \wc_clean($attribute['name']); $taxonomy = \wc_sanitize_taxonomy_name($taxonomy); $taxonomy = self::getSlug($taxonomy); $term = \wc_sanitize_term_text_based($attribute['value']); \update_post_meta($variation_id, 'attribute_' . $taxonomy, $term); } self::applayPrice($variation, $v, WooConfig::getInstance()->option('import_price'), WooConfig::getInstance()->option('import_old_price')); $variation->save(); } private static function enableBrandTaxonomy() { if (defined('\WC_VERSION') && version_compare(\WC_VERSION, '9.4', '<=')) { update_option('wc_feature_woocommerce_brands_enabled', 'yes'); update_option('woocommerce_remote_variant_assignment', 2); } } private static function proccessCustomFields(Product $product, $product_id, $update = false) { if (!$fields = WooConfig::getInstance()->option('custom_fields')) return; foreach ($fields as $field) { if ($update && isset($field['cf_sync']) && !filter_var($field['cf_sync'], FILTER_VALIDATE_BOOLEAN)) continue; $cf_name = \sanitize_text_field($field['cf_name']); $cf_value = \sanitize_text_field($field['cf_value']); $cf_value = WooHelper::fixJsonBrackets($cf_value); // spin conflict $cf_value = WooHelper::buildTemplate($cf_value, $product); $cf_value = preg_replace('~^\[(.+)\]$~', '{$1}', $cf_value); $cf_value_decoded = json_decode($cf_value, true); if ($cf_value_decoded) $cf_value = $cf_value_decoded; \update_post_meta($product_id, \wp_slash($cf_name), \wp_slash($cf_value)); } } public static function generateVariantSku($parent_sku, $attributes) { $sku = $parent_sku; foreach ($attributes as $attribute) { if ($sku) $sku .= '-'; $sku .= $attribute['value']; } return $sku; } public static function findVariationByAttributes($parent_id, array $input_attributes) { $attributes = array(); foreach ($input_attributes as $attr) { $attr['name'] = strtolower(\wc_clean($attr['name'])); $attr['value'] = \wc_sanitize_term_text_based($attr['value']); $attributes[$attr['name']] = $attr['value']; } $input_hash = md5(serialize($attributes)); $product = \wc_get_product($parent_id); $variations = $product->get_children(); foreach ($variations as $variation_id) { $variation_hash = self::getProductAttributesHash($variation_id); if ($variation_hash === $input_hash) { return $variation_id; } } return false; } public static function getProductAttributesHash($product_id) { $product = \wc_get_product($product_id); $attributes = array(); foreach ($product->get_attributes() as $name => $value) { $name = strtolower(\wc_clean($name)); $value = \wc_sanitize_term_text_based($value); $attributes[$name] = $value; } return md5(serialize($attributes)); } private static function addAttributes(array $features, $product_id, $variation = false) { $attributes = self::prepareAttributes($features, $product_id, $variation); update_post_meta($product_id, '_product_attributes', $attributes); } /** * Build the product attributes array, matching by label to an existing global attribute if possible. */ private static function prepareAttributes(array $features, $product_id, $is_variation = false) { $global_attribute_taxonomies = wc_get_attribute_taxonomies(); $global_map = array(); if (!empty($global_attribute_taxonomies)) { foreach ($global_attribute_taxonomies as $tax) { // $tax->attribute_label is what user sees in wp-admin, e.g. "Color" // $tax->attribute_name is the custom slug, e.g. "awesome_colors" // The actual registered taxonomy is "pa_awesome_colors" $label_lower = strtolower($tax->attribute_label); $global_map[$label_lower] = 'pa_' . $tax->attribute_name; } } $product_attributes = array(); $position = 0; foreach ($features as $feature) { if (empty($feature['name']) \|\| ! isset($feature['value'])) { continue; } $attr_name_raw = wc_clean(trim($feature['name'])); $attr_value_raw = wc_sanitize_term_text_based(trim($feature['value'])); // Split comma-separated values $attr_values = self::value2Array($attr_value_raw); $label_lower = strtolower($attr_name_raw); if (isset($global_map[$label_lower])) { $global_taxonomy = $global_map[$label_lower]; if (taxonomy_exists($global_taxonomy)) { // Insert or get existing terms in that taxonomy $term_ids = array(); foreach ($attr_values as $val) { $term = term_exists($val, $global_taxonomy); if (!$term) { $term = wp_insert_term($val, $global_taxonomy); } if (!is_wp_error($term) && isset($term['term_id'])) { $term_ids[] = (int) $term['term_id']; } } $product_attributes[$global_taxonomy] = array( 'name' => $global_taxonomy, 'value' => '', 'is_visible' => 1, 'is_taxonomy' => 1, 'is_variation' => $is_variation ? 1 : 0, 'position' => $position, ); // Assign these terms to the product if (!empty($term_ids)) { wp_set_object_terms($product_id, $term_ids, $global_taxonomy, true); } $position++; continue; } } // If we didn't continue above, we fall back to local attribute $product_attributes[sanitize_title($attr_name_raw)] = array( 'name' => $attr_name_raw, 'value' => implode(' \| ', $attr_values), 'is_visible' => 1, 'is_taxonomy' => 0, 'is_variation' => $is_variation ? 1 : 0, 'position' => $position, ); $position++; } return $product_attributes; } }

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