/** * WooCommerce Product Functions * * Functions for product specific things. * * @author WooThemes * @category Core * @package WooCommerce/Functions * @version 2.3.0 */ if ( ! defined( 'ABSPATH' ) ) { exit; // Exit if accessed directly } /** * Main function for returning products, uses the WC_Product_Factory class. * * @param mixed $the_product Post object or post ID of the product. * @param array $args (default: array()) Contains all arguments to be used to get this product. * @return WC_Product */ function wc_get_product( $the_product = false, $args = array() ) { if ( ! did_action( 'woocommerce_init' ) ) { _doing_it_wrong( __FUNCTION__, __( 'wc_get_product should not be called before the woocommerce_init action.', 'woocommerce' ), '2.5' ); return false; } return WC()->product_factory->get_product( $the_product, $args ); } /** * Update a product's stock amount. * * @param int $product_id * @param int $new_stock_level */ function wc_update_product_stock( $product_id, $new_stock_level ) { $product = wc_get_product( $product_id ); if ( ! metadata_exists( 'post', $product_id, '_stock' ) || $product->get_stock_quantity() !== $new_stock_level ) { $product->set_stock( $new_stock_level ); } } /** * Update a product's stock status. * * @param int $product_id * @param int $status */ function wc_update_product_stock_status( $product_id, $status ) { $product = wc_get_product( $product_id ); $product->set_stock_status( $status ); } /** * Returns whether or not SKUS are enabled. * @return bool */ function wc_product_sku_enabled() { return apply_filters( 'wc_product_sku_enabled', true ); } /** * Returns whether or not product weights are enabled. * @return bool */ function wc_product_weight_enabled() { return apply_filters( 'wc_product_weight_enabled', true ); } /** * Returns whether or not product dimensions (HxWxD) are enabled. * @return bool */ function wc_product_dimensions_enabled() { return apply_filters( 'wc_product_dimensions_enabled', true ); } /** * Clear all transients cache for product data. * * @param int $post_id (default: 0) */ function wc_delete_product_transients( $post_id = 0 ) { // Core transients $transients_to_clear = array( 'wc_products_onsale', 'wc_featured_products', 'wc_outofstock_count', 'wc_low_stock_count' ); // Transient names that include an ID $post_transient_names = array( 'wc_product_children_', 'wc_product_total_stock_', 'wc_var_prices_', 'wc_related_' ); if ( $post_id > 0 ) { foreach( $post_transient_names as $transient ) { $transients_to_clear[] = $transient . $post_id; } } // Delete transients foreach( $transients_to_clear as $transient ) { delete_transient( $transient ); } // Increments the transient version to invalidate cache WC_Cache_Helper::get_transient_version( 'product', true ); do_action( 'woocommerce_delete_product_transients', $post_id ); } /** * Function that returns an array containing the IDs of the products that are on sale. * * @since 2.0 * @access public * @return array */ function wc_get_product_ids_on_sale() { global $wpdb; // Load from cache $product_ids_on_sale = get_transient( 'wc_products_onsale' ); // Valid cache found if ( false !== $product_ids_on_sale ) { return $product_ids_on_sale; } $on_sale_posts = $wpdb->get_results( " SELECT post.ID, post.post_parent FROM `$wpdb->posts` AS post LEFT JOIN `$wpdb->postmeta` AS meta ON post.ID = meta.post_id LEFT JOIN `$wpdb->postmeta` AS meta2 ON post.ID = meta2.post_id WHERE post.post_type IN ( 'product', 'product_variation' ) AND post.post_status = 'publish' AND meta.meta_key = '_sale_price' AND meta2.meta_key = '_price' AND CAST( meta.meta_value AS DECIMAL ) >= 0 AND CAST( meta.meta_value AS CHAR ) != '' AND CAST( meta.meta_value AS DECIMAL ) = CAST( meta2.meta_value AS DECIMAL ) GROUP BY post.ID; " ); $product_ids_on_sale = array_unique( array_map( 'absint', array_merge( wp_list_pluck( $on_sale_posts, 'ID' ), array_diff( wp_list_pluck( $on_sale_posts, 'post_parent' ), array( 0 ) ) ) ) ); set_transient( 'wc_products_onsale', $product_ids_on_sale, DAY_IN_SECONDS * 30 ); return $product_ids_on_sale; } /** * Function that returns an array containing the IDs of the featured products. * * @since 2.1 * @access public * @return array */ function wc_get_featured_product_ids() { // Load from cache $featured_product_ids = get_transient( 'wc_featured_products' ); // Valid cache found if ( false !== $featured_product_ids ) return $featured_product_ids; $featured = get_posts( array( 'post_type' => array( 'product', 'product_variation' ), 'posts_per_page' => -1, 'post_status' => 'publish', 'meta_query' => array( array( 'key' => '_visibility', 'value' => array('catalog', 'visible'), 'compare' => 'IN' ), array( 'key' => '_featured', 'value' => 'yes' ) ), 'fields' => 'id=>parent' ) ); $product_ids = array_keys( $featured ); $parent_ids = array_values( array_filter( $featured ) ); $featured_product_ids = array_unique( array_merge( $product_ids, $parent_ids ) ); set_transient( 'wc_featured_products', $featured_product_ids, DAY_IN_SECONDS * 30 ); return $featured_product_ids; } /** * Filter to allow product_cat in the permalinks for products. * * @access public * @param string $permalink The existing permalink URL. * @param WP_Post $post * @return string */ function wc_product_post_type_link( $permalink, $post ) { // Abort if post is not a product if ( $post->post_type !== 'product' ) { return $permalink; } // Abort early if the placeholder rewrite tag isn't in the generated URL if ( false === strpos( $permalink, '%' ) ) { return $permalink; } // Get the custom taxonomy terms in use by this post $terms = get_the_terms( $post->ID, 'product_cat' ); if ( ! empty( $terms ) ) { usort( $terms, '_usort_terms_by_ID' ); // order by ID $category_object = apply_filters( 'wc_product_post_type_link_product_cat', $terms[0], $terms, $post ); $category_object = get_term( $category_object, 'product_cat' ); $product_cat = $category_object->slug; if ( $parent = $category_object->parent ) { $ancestors = get_ancestors( $category_object->term_id, 'product_cat' ); foreach ( $ancestors as $ancestor ) { $ancestor_object = get_term( $ancestor, 'product_cat' ); $product_cat = $ancestor_object->slug . '/' . $product_cat; } } } else { // If no terms are assigned to this post, use a string instead (can't leave the placeholder there) $product_cat = _x( 'uncategorized', 'slug', 'woocommerce' ); } $find = array( '%year%', '%monthnum%', '%day%', '%hour%', '%minute%', '%second%', '%post_id%', '%category%', '%product_cat%' ); $replace = array( date_i18n( 'Y', strtotime( $post->post_date ) ), date_i18n( 'm', strtotime( $post->post_date ) ), date_i18n( 'd', strtotime( $post->post_date ) ), date_i18n( 'H', strtotime( $post->post_date ) ), date_i18n( 'i', strtotime( $post->post_date ) ), date_i18n( 's', strtotime( $post->post_date ) ), $post->ID, $product_cat, $product_cat ); $permalink = str_replace( $find, $replace, $permalink ); return $permalink; } add_filter( 'post_type_link', 'wc_product_post_type_link', 10, 2 ); /** * Get the placeholder image URL for products etc. * * @access public * @return string */ function wc_placeholder_img_src() { return apply_filters( 'woocommerce_placeholder_img_src', WC()->plugin_url() . '/assets/images/placeholder.png' ); } /** * Get the placeholder image. * * @access public * @return string */ function wc_placeholder_img( $size = 'shop_thumbnail' ) { $dimensions = wc_get_image_size( $size ); return apply_filters('woocommerce_placeholder_img', '' . esc_attr__( 'Placeholder', 'woocommerce' ) . '', $size, $dimensions ); } /** * Variation Formatting. * * Gets a formatted version of variation data or item meta. * * @access public * @param string $variation * @param bool $flat (default: false) * @return string */ function wc_get_formatted_variation( $variation, $flat = false ) { $return = ''; if ( is_array( $variation ) ) { if ( ! $flat ) { $return = '
'; } $variation_list = array(); foreach ( $variation as $name => $value ) { if ( ! $value ) { continue; } // If this is a term slug, get the term's nice name if ( taxonomy_exists( esc_attr( str_replace( 'attribute_', '', $name ) ) ) ) { $term = get_term_by( 'slug', $value, esc_attr( str_replace( 'attribute_', '', $name ) ) ); if ( ! is_wp_error( $term ) && ! empty( $term->name ) ) { $value = $term->name; } } else { $value = ucwords( str_replace( '-', ' ', $value ) ); } if ( $flat ) { $variation_list[] = wc_attribute_label( str_replace( 'attribute_', '', $name ) ) . ': ' . rawurldecode( $value ); } else { $variation_list[] = '
' . wc_attribute_label( str_replace( 'attribute_', '', $name ) ) . ':
' . rawurldecode( $value ) . '
'; } } if ( $flat ) { $return .= implode( ', ', $variation_list ); } else { $return .= implode( '', $variation_list ); } if ( ! $flat ) { $return .= '
'; } } return $return; } /** * Function which handles the start and end of scheduled sales via cron. * * @access public */ function wc_scheduled_sales() { global $wpdb; // Sales which are due to start $product_ids = $wpdb->get_col( $wpdb->prepare( " SELECT postmeta.post_id FROM {$wpdb->postmeta} as postmeta LEFT JOIN {$wpdb->postmeta} as postmeta_2 ON postmeta.post_id = postmeta_2.post_id LEFT JOIN {$wpdb->postmeta} as postmeta_3 ON postmeta.post_id = postmeta_3.post_id WHERE postmeta.meta_key = '_sale_price_dates_from' AND postmeta_2.meta_key = '_price' AND postmeta_3.meta_key = '_sale_price' AND postmeta.meta_value > 0 AND postmeta.meta_value < %s AND postmeta_2.meta_value != postmeta_3.meta_value ", current_time( 'timestamp' ) ) ); if ( $product_ids ) { foreach ( $product_ids as $product_id ) { $sale_price = get_post_meta( $product_id, '_sale_price', true ); if ( $sale_price ) { update_post_meta( $product_id, '_price', $sale_price ); } else { // No sale price! update_post_meta( $product_id, '_sale_price_dates_from', '' ); update_post_meta( $product_id, '_sale_price_dates_to', '' ); } $parent = wp_get_post_parent_id( $product_id ); // Sync parent if ( $parent ) { // We can force variable product prices to sync up by removing their min price meta delete_post_meta( $parent, '_min_price_variation_id' ); // Grouped products need syncing via a function $this_product = wc_get_product( $product_id ); if ( $this_product->is_type( 'simple' ) ) { $this_product->grouped_product_sync(); } } } delete_transient( 'wc_products_onsale' ); } // Sales which are due to end $product_ids = $wpdb->get_col( $wpdb->prepare( " SELECT postmeta.post_id FROM {$wpdb->postmeta} as postmeta LEFT JOIN {$wpdb->postmeta} as postmeta_2 ON postmeta.post_id = postmeta_2.post_id LEFT JOIN {$wpdb->postmeta} as postmeta_3 ON postmeta.post_id = postmeta_3.post_id WHERE postmeta.meta_key = '_sale_price_dates_to' AND postmeta_2.meta_key = '_price' AND postmeta_3.meta_key = '_regular_price' AND postmeta.meta_value > 0 AND postmeta.meta_value < %s AND postmeta_2.meta_value != postmeta_3.meta_value ", current_time( 'timestamp' ) ) ); if ( $product_ids ) { foreach ( $product_ids as $product_id ) { $regular_price = get_post_meta( $product_id, '_regular_price', true ); update_post_meta( $product_id, '_price', $regular_price ); update_post_meta( $product_id, '_sale_price', '' ); update_post_meta( $product_id, '_sale_price_dates_from', '' ); update_post_meta( $product_id, '_sale_price_dates_to', '' ); $parent = wp_get_post_parent_id( $product_id ); // Sync parent if ( $parent ) { // Grouped products need syncing via a function $this_product = wc_get_product( $product_id ); if ( $this_product->is_type( 'simple' ) ) { $this_product->grouped_product_sync(); } } } WC_Cache_Helper::get_transient_version( 'product', true ); delete_transient( 'wc_products_onsale' ); } } add_action( 'woocommerce_scheduled_sales', 'wc_scheduled_sales' ); /** * Get attachment image attributes. * * @access public * @param array $attr * @return array */ function wc_get_attachment_image_attributes( $attr ) { if ( strstr( $attr['src'], 'woocommerce_uploads/' ) ) { $attr['src'] = wc_placeholder_img_src(); } return $attr; } add_filter( 'wp_get_attachment_image_attributes', 'wc_get_attachment_image_attributes' ); /** * Prepare attachment for JavaScript. * * @access public * @param array $response * @return array */ function wc_prepare_attachment_for_js( $response ) { if ( isset( $response['url'] ) && strstr( $response['url'], 'woocommerce_uploads/' ) ) { $response['full']['url'] = wc_placeholder_img_src(); if ( isset( $response['sizes'] ) ) { foreach( $response['sizes'] as $size => $value ) { $response['sizes'][ $size ]['url'] = wc_placeholder_img_src(); } } } return $response; } add_filter( 'wp_prepare_attachment_for_js', 'wc_prepare_attachment_for_js' ); /** * Track product views. */ function wc_track_product_view() { if ( ! is_singular( 'product' ) || ! is_active_widget( false, false, 'woocommerce_recently_viewed_products', true ) ) { return; } global $post; if ( empty( $_COOKIE['woocommerce_recently_viewed'] ) ) $viewed_products = array(); else $viewed_products = (array) explode( '|', $_COOKIE['woocommerce_recently_viewed'] ); if ( ! in_array( $post->ID, $viewed_products ) ) { $viewed_products[] = $post->ID; } if ( sizeof( $viewed_products ) > 15 ) { array_shift( $viewed_products ); } // Store for session only wc_setcookie( 'woocommerce_recently_viewed', implode( '|', $viewed_products ) ); } add_action( 'template_redirect', 'wc_track_product_view', 20 ); /** * Get product types. * * @since 2.2 * @return array */ function wc_get_product_types() { return (array) apply_filters( 'product_type_selector', array( 'simple' => __( 'Simple product', 'woocommerce' ), 'grouped' => __( 'Grouped product', 'woocommerce' ), 'external' => __( 'External/Affiliate product', 'woocommerce' ), 'variable' => __( 'Variable product', 'woocommerce' ) ) ); } /** * Check if product sku is unique. * * @since 2.2 * @param int $product_id * @param string $sku Will be slashed to work around https://core.trac.wordpress.org/ticket/27421 * @return bool */ function wc_product_has_unique_sku( $product_id, $sku ) { global $wpdb; $sku_found = $wpdb->get_var( $wpdb->prepare( " SELECT $wpdb->posts.ID FROM $wpdb->posts LEFT JOIN $wpdb->postmeta ON ( $wpdb->posts.ID = $wpdb->postmeta.post_id ) WHERE $wpdb->posts.post_type IN ( 'product', 'product_variation' ) AND $wpdb->posts.post_status = 'publish' AND $wpdb->postmeta.meta_key = '_sku' AND $wpdb->postmeta.meta_value = '%s' AND $wpdb->postmeta.post_id <> %d LIMIT 1 ", wp_slash( $sku ), $product_id ) ); if ( apply_filters( 'wc_product_has_unique_sku', $sku_found, $product_id, $sku ) ) { return false; } else { return true; } } /** * Get product ID by SKU. * * @since 2.3.0 * @param string $sku * @return int */ function wc_get_product_id_by_sku( $sku ) { global $wpdb; $product_id = $wpdb->get_var( $wpdb->prepare( " SELECT posts.ID FROM $wpdb->posts AS posts LEFT JOIN $wpdb->postmeta AS postmeta ON ( posts.ID = postmeta.post_id ) WHERE posts.post_type IN ( 'product', 'product_variation' ) AND postmeta.meta_key = '_sku' AND postmeta.meta_value = '%s' LIMIT 1 ", $sku ) ); return ( $product_id ) ? intval( $product_id ) : 0; } /** * Save product price. * * This is a private function (internal use ONLY) used until a data manipulation api is built. * * @since 2.4.0 * @todo look into Data manipulation API * * @param int $product_id * @param float $regular_price * @param float $sale_price * @param string $date_from * @param string $date_to */ function _wc_save_product_price( $product_id, $regular_price, $sale_price = '', $date_from = '', $date_to = '' ) { $product_id = absint( $product_id ); $regular_price = wc_format_decimal( $regular_price ); $sale_price = $sale_price === '' ? '' : wc_format_decimal( $sale_price ); $date_from = wc_clean( $date_from ); $date_to = wc_clean( $date_to ); update_post_meta( $product_id, '_regular_price', $regular_price ); update_post_meta( $product_id, '_sale_price', $sale_price ); // Save Dates update_post_meta( $product_id, '_sale_price_dates_from', $date_from ? strtotime( $date_from ) : '' ); update_post_meta( $product_id, '_sale_price_dates_to', $date_to ? strtotime( $date_to ) : '' ); if ( $date_to && ! $date_from ) { update_post_meta( $product_id, '_sale_price_dates_from', strtotime( 'NOW', current_time( 'timestamp' ) ) ); } // Update price if on sale if ( '' !== $sale_price && '' === $date_to && '' === $date_from ) { update_post_meta( $product_id, '_price', $sale_price ); } else { update_post_meta( $product_id, '_price', $regular_price ); } if ( '' !== $sale_price && $date_from && strtotime( $date_from ) < strtotime( 'NOW', current_time( 'timestamp' ) ) ) { update_post_meta( $product_id, '_price', $sale_price ); } if ( $date_to && strtotime( $date_to ) < strtotime( 'NOW', current_time( 'timestamp' ) ) ) { update_post_meta( $product_id, '_price', $regular_price ); update_post_meta( $product_id, '_sale_price_dates_from', '' ); update_post_meta( $product_id, '_sale_price_dates_to', '' ); } } /** * Get attibutes/data for an individual variation from the database and maintain it's integrity. * @since 2.4.0 * @param int $variation_id * @return array */ function wc_get_product_variation_attributes( $variation_id ) { // Build variation data from meta $all_meta = get_post_meta( $variation_id ); $parent_id = wp_get_post_parent_id( $variation_id ); $parent_attributes = array_filter( (array) get_post_meta( $parent_id, '_product_attributes', true ) ); $found_parent_attributes = array(); $variation_attributes = array(); // Compare to parent variable product attributes and ensure they match foreach ( $parent_attributes as $attribute_name => $options ) { $attribute = 'attribute_' . sanitize_title( $attribute_name ); $found_parent_attributes[] = $attribute; if ( ! empty( $options['is_variation'] ) && ! array_key_exists( $attribute, $variation_attributes ) ) { $variation_attributes[ $attribute ] = ''; // Add it - 'any' will be asumed } } // Get the variation attributes from meta foreach ( $all_meta as $name => $value ) { // Only look at valid attribute meta, and also compare variation level attributes and remove any which do not exist at parent level if ( 0 !== strpos( $name, 'attribute_' ) || ! in_array( $name, $found_parent_attributes ) ) { unset( $variation_attributes[ $name ] ); continue; } /** * Pre 2.4 handling where 'slugs' were saved instead of the full text attribute. * Attempt to get full version of the text attribute from the parent. */ if ( sanitize_title( $value[0] ) === $value[0] && version_compare( get_post_meta( $parent_id, '_product_version', true ), '2.4.0', '<' ) ) { foreach ( $parent_attributes as $attribute ) { if ( $name !== 'attribute_' . sanitize_title( $attribute['name'] ) ) { continue; } $text_attributes = wc_get_text_attributes( $attribute['value'] ); foreach ( $text_attributes as $text_attribute ) { if ( sanitize_title( $text_attribute ) === $value[0] ) { $value[0] = $text_attribute; break; } } } } $variation_attributes[ $name ] = $value[0]; } return $variation_attributes; } /** * Get all product cats for a product by ID, including hierarchy * @since 2.5.0 * @param int $product_id * @return array */ function wc_get_product_cat_ids( $product_id ) { $product_cats = wp_get_post_terms( $product_id, 'product_cat', array( "fields" => "ids" ) ); foreach ( $product_cats as $product_cat ) { $product_cats = array_merge( $product_cats, get_ancestors( $product_cat, 'product_cat' ) ); } return $product_cats; }
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