id = absint( $product ); $this->post = get_post( $this->id ); } elseif ( $product instanceof WC_Product ) { $this->id = absint( $product->id ); $this->post = $product->post; } elseif ( isset( $product->ID ) ) { $this->id = absint( $product->ID ); $this->post = $product; } } /** * __isset function. * * @param mixed $key * @return bool */ public function __isset( $key ) { return metadata_exists( 'post', $this->id, '_' . $key ); } /** * __get function. * * @param string $key * @return mixed */ public function __get( $key ) { $value = get_post_meta( $this->id, '_' . $key, true ); // Get values or default if not set if ( in_array( $key, array( 'downloadable', 'virtual', 'backorders', 'manage_stock', 'featured', 'sold_individually' ) ) ) { $value = $value ? $value : 'no'; } elseif ( in_array( $key, array( 'product_attributes', 'crosssell_ids', 'upsell_ids' ) ) ) { $value = $value ? $value : array(); } elseif ( 'visibility' === $key ) { $value = $value ? $value : 'hidden'; } elseif ( 'stock' === $key ) { $value = $value ? $value : 0; } elseif ( 'stock_status' === $key ) { $value = $value ? $value : 'instock'; } elseif ( 'tax_status' === $key ) { $value = $value ? $value : 'taxable'; } if ( false !== $value ) { $this->$key = $value; } return $value; } /** * Get the product's post data. * * @return object */ public function get_post_data() { return $this->post; } /** * Check if a product supports a given feature. * * Product classes should override this to declare support (or lack of support) for a feature. * * @param string $feature string The name of a feature to test support for. * @return bool True if the product supports the feature, false otherwise. * @since 2.5.0 */ public function supports( $feature ) { return apply_filters( 'woocommerce_product_supports', in_array( $feature, $this->supports ) ? true : false, $feature, $this ); } /** * Return the product ID * * @since 2.5.0 * @return int product (post) ID */ public function get_id() { return $this->id; } /** * Returns the gallery attachment ids. * * @return array */ public function get_gallery_attachment_ids() { return apply_filters( 'woocommerce_product_gallery_attachment_ids', array_filter( array_filter( (array) explode( ',', $this->product_image_gallery ) ), 'wp_attachment_is_image' ), $this ); } /** * Wrapper for get_permalink. * * @return string */ public function get_permalink() { return get_permalink( $this->id ); } /** * Get SKU (Stock-keeping unit) - product unique ID. * * @return string */ public function get_sku() { return apply_filters( 'woocommerce_get_sku', $this->sku, $this ); } /** * Returns number of items available for sale. * * @return int */ public function get_stock_quantity() { return apply_filters( 'woocommerce_get_stock_quantity', $this->managing_stock() ? wc_stock_amount( $this->stock ) : null, $this ); } /** * Get total stock - This is the stock of parent and children combined. * * @return int */ public function get_total_stock() { if ( empty( $this->total_stock ) ) { if ( sizeof( $this->get_children() ) > 0 ) { $this->total_stock = max( 0, $this->get_stock_quantity() ); foreach ( $this->get_children() as $child_id ) { if ( 'yes' === get_post_meta( $child_id, '_manage_stock', true ) ) { $stock = get_post_meta( $child_id, '_stock', true ); $this->total_stock += max( 0, wc_stock_amount( $stock ) ); } } } else { $this->total_stock = $this->get_stock_quantity(); } } return wc_stock_amount( $this->total_stock ); } /** * Check if the stock status needs changing. */ public function check_stock_status() { if ( ! $this->backorders_allowed() && $this->get_total_stock() <= get_option( 'woocommerce_notify_no_stock_amount' ) ) { if ( $this->stock_status !== 'outofstock' ) { $this->set_stock_status( 'outofstock' ); } } elseif ( $this->backorders_allowed() || $this->get_total_stock() > get_option( 'woocommerce_notify_no_stock_amount' ) ) { if ( $this->stock_status !== 'instock' ) { $this->set_stock_status( 'instock' ); } } } /** * Set stock level of the product. * * Uses queries rather than update_post_meta so we can do this in one query (to avoid stock issues). * We cannot rely on the original loaded value in case another order was made since then. * * @param int $amount (default: null) * @param string $mode can be set, add, or subtract * @return int new stock level */ public function set_stock( $amount = null, $mode = 'set' ) { global $wpdb; if ( ! is_null( $amount ) && $this->managing_stock() ) { // Ensure key exists add_post_meta( $this->id, '_stock', 0, true ); // Update stock in DB directly switch ( $mode ) { case 'add' : $wpdb->query( $wpdb->prepare( "UPDATE {$wpdb->postmeta} SET meta_value = meta_value + %f WHERE post_id = %d AND meta_key='_stock'", $amount, $this->id ) ); break; case 'subtract' : $wpdb->query( $wpdb->prepare( "UPDATE {$wpdb->postmeta} SET meta_value = meta_value - %f WHERE post_id = %d AND meta_key='_stock'", $amount, $this->id ) ); break; default : $wpdb->query( $wpdb->prepare( "UPDATE {$wpdb->postmeta} SET meta_value = %f WHERE post_id = %d AND meta_key='_stock'", $amount, $this->id ) ); break; } // Clear caches wp_cache_delete( $this->id, 'post_meta' ); delete_transient( 'wc_low_stock_count' ); delete_transient( 'wc_outofstock_count' ); unset( $this->stock ); // Stock status $this->check_stock_status(); // Trigger action do_action( 'woocommerce_product_set_stock', $this ); } return $this->get_stock_quantity(); } /** * Reduce stock level of the product. * * @param int $amount Amount to reduce by. Default: 1 * @return int new stock level */ public function reduce_stock( $amount = 1 ) { return $this->set_stock( $amount, 'subtract' ); } /** * Increase stock level of the product. * * @param int $amount Amount to increase by. Default 1. * @return int new stock level */ public function increase_stock( $amount = 1 ) { return $this->set_stock( $amount, 'add' ); } /** * Set stock status of the product. * * @param string $status */ public function set_stock_status( $status ) { $status = ( 'outofstock' === $status ) ? 'outofstock' : 'instock'; // Sanity check if ( $this->managing_stock() ) { if ( ! $this->backorders_allowed() && $this->get_stock_quantity() <= get_option( 'woocommerce_notify_no_stock_amount' ) ) { $status = 'outofstock'; } } if ( update_post_meta( $this->id, '_stock_status', $status ) ) { $this->stock_status = $status; do_action( 'woocommerce_product_set_stock_status', $this->id, $status ); } } /** * Return the product type. * * @return string */ public function get_type() { return is_null( $this->product_type ) ? '' : $this->product_type; } /** * Checks the product type. * * Backwards compat with downloadable/virtual. * * @param string $type Array or string of types * @return bool */ public function is_type( $type ) { return ( $this->product_type == $type || ( is_array( $type ) && in_array( $this->product_type, $type ) ) ) ? true : false; } /** * Checks if a product is downloadable. * * @return bool */ public function is_downloadable() { return $this->downloadable == 'yes' ? true : false; } /** * Check if downloadable product has a file attached. * * @since 1.6.2 * * @param string $download_id file identifier * @return bool Whether downloadable product has a file attached. */ public function has_file( $download_id = '' ) { return ( $this->is_downloadable() && $this->get_file( $download_id ) ) ? true : false; } /** * Gets an array of downloadable files for this product. * * @since 2.1.0 * * @return array */ public function get_files() { $downloadable_files = array_filter( isset( $this->downloadable_files ) ? (array) maybe_unserialize( $this->downloadable_files ) : array() ); if ( ! empty( $downloadable_files ) ) { foreach ( $downloadable_files as $key => $file ) { if ( ! is_array( $file ) ) { $downloadable_files[ $key ] = array( 'file' => $file, 'name' => '' ); } // Set default name if ( empty( $file['name'] ) ) { $downloadable_files[ $key ]['name'] = wc_get_filename_from_url( $file['file'] ); } // Filter URL $downloadable_files[ $key ]['file'] = apply_filters( 'woocommerce_file_download_path', $downloadable_files[ $key ]['file'], $this, $key ); } } return apply_filters( 'woocommerce_product_files', $downloadable_files, $this ); } /** * Get a file by $download_id. * * @param string $download_id file identifier * @return array|false if not found */ public function get_file( $download_id = '' ) { $files = $this->get_files(); if ( '' === $download_id ) { $file = sizeof( $files ) ? current( $files ) : false; } elseif ( isset( $files[ $download_id ] ) ) { $file = $files[ $download_id ]; } else { $file = false; } // allow overriding based on the particular file being requested return apply_filters( 'woocommerce_product_file', $file, $this, $download_id ); } /** * Get file download path identified by $download_id. * * @param string $download_id file identifier * @return string */ public function get_file_download_path( $download_id ) { $files = $this->get_files(); if ( isset( $files[ $download_id ] ) ) { $file_path = $files[ $download_id ]['file']; } else { $file_path = ''; } // allow overriding based on the particular file being requested return apply_filters( 'woocommerce_product_file_download_path', $file_path, $this, $download_id ); } /** * Checks if a product is virtual (has no shipping). * * @return bool */ public function is_virtual() { return apply_filters( 'woocommerce_is_virtual', $this->virtual == 'yes' ? true : false, $this ); } /** * Checks if a product needs shipping. * * @return bool */ public function needs_shipping() { return apply_filters( 'woocommerce_product_needs_shipping', $this->is_virtual() ? false : true, $this ); } /** * Check if a product is sold individually (no quantities). * * @return bool */ public function is_sold_individually() { $return = false; if ( 'yes' == $this->sold_individually ) { $return = true; } return apply_filters( 'woocommerce_is_sold_individually', $return, $this ); } /** * Returns the child product. * * @param mixed $child_id * @return WC_Product|WC_Product|WC_Product_variation */ public function get_child( $child_id ) { return wc_get_product( $child_id ); } /** * Returns the children. * * @return array */ public function get_children() { return array(); } /** * Returns whether or not the product has any child product. * * @return bool */ public function has_child() { return false; } /** * Returns whether or not the product post exists. * * @return bool */ public function exists() { return empty( $this->post ) ? false : true; } /** * Returns whether or not the product is taxable. * * @return bool */ public function is_taxable() { $taxable = $this->get_tax_status() === 'taxable' && wc_tax_enabled() ? true : false; return apply_filters( 'woocommerce_product_is_taxable', $taxable, $this ); } /** * Returns whether or not the product shipping is taxable. * * @return bool */ public function is_shipping_taxable() { return $this->get_tax_status() === 'taxable' || $this->get_tax_status() === 'shipping' ? true : false; } /** * Get the title of the post. * * @return string */ public function get_title() { return apply_filters( 'woocommerce_product_title', $this->post ? $this->post->post_title : '', $this ); } /** * Get the parent of the post. * * @return int */ public function get_parent() { return apply_filters( 'woocommerce_product_parent', absint( $this->post->post_parent ), $this ); } /** * Get the add to url used mainly in loops. * * @return string */ public function add_to_cart_url() { return apply_filters( 'woocommerce_product_add_to_cart_url', get_permalink( $this->id ), $this ); } /** * Get the add to cart button text for the single page. * * @return string */ public function single_add_to_cart_text() { return apply_filters( 'woocommerce_product_single_add_to_cart_text', __( 'Add to cart', 'woocommerce' ), $this ); } /** * Get the add to cart button text. * * @return string */ public function add_to_cart_text() { return apply_filters( 'woocommerce_product_add_to_cart_text', __( 'Read more', 'woocommerce' ), $this ); } /** * Returns whether or not the product is stock managed. * * @return bool */ public function managing_stock() { return ( ! isset( $this->manage_stock ) || $this->manage_stock == 'no' || get_option( 'woocommerce_manage_stock' ) !== 'yes' ) ? false : true; } /** * Returns whether or not the product is in stock. * * @return bool */ public function is_in_stock() { return apply_filters( 'woocommerce_product_is_in_stock', $this->stock_status === 'instock' ); } /** * Returns whether or not the product can be backordered. * * @return bool */ public function backorders_allowed() { return apply_filters( 'woocommerce_product_backorders_allowed', $this->backorders === 'yes' || $this->backorders === 'notify' ? true : false, $this->id, $this ); } /** * Returns whether or not the product needs to notify the customer on backorder. * * @return bool */ public function backorders_require_notification() { return apply_filters( 'woocommerce_product_backorders_require_notification', $this->managing_stock() && $this->backorders === 'notify' ? true : false, $this ); } /** * Check if a product is on backorder. * * @param int $qty_in_cart (default: 0) * @return bool */ public function is_on_backorder( $qty_in_cart = 0 ) { return $this->managing_stock() && $this->backorders_allowed() && ( $this->get_total_stock() - $qty_in_cart ) < 0 ? true : false; } /** * Returns whether or not the product has enough stock for the order. * * @param mixed $quantity * @return bool */ public function has_enough_stock( $quantity ) { return ! $this->managing_stock() || $this->backorders_allowed() || $this->get_stock_quantity() >= $quantity ? true : false; } /** * Returns the availability of the product. * * If stock management is enabled at global and product level, a stock message * will be shown. e.g. In stock, In stock x10, Out of stock. * * If stock management is disabled at global or product level, out of stock * will be shown when needed, but in stock will be hidden from view. * * This can all be changed through use of the woocommerce_get_availability filter. * * @return string */ public function get_availability() { return apply_filters( 'woocommerce_get_availability', array( 'availability' => $this->get_availability_text(), 'class' => $this->get_availability_class(), ), $this ); } /** * Get availability text based on stock status. * * @return string */ protected function get_availability_text() { if ( ! $this->is_in_stock() ) { $availability = __( 'Out of stock', 'woocommerce' ); } elseif ( $this->managing_stock() && $this->is_on_backorder( 1 ) ) { $availability = $this->backorders_require_notification() ? __( 'Available on backorder', 'woocommerce' ) : __( 'In stock', 'woocommerce' ); } elseif ( $this->managing_stock() ) { switch ( get_option( 'woocommerce_stock_format' ) ) { case 'no_amount' : $availability = __( 'In stock', 'woocommerce' ); break; case 'low_amount' : if ( $this->get_total_stock() <= get_option( 'woocommerce_notify_low_stock_amount' ) ) { $availability = sprintf( __( 'Only %s left in stock', 'woocommerce' ), $this->get_total_stock() ); if ( $this->backorders_allowed() && $this->backorders_require_notification() ) { $availability .= ' ' . __( '(also available on backorder)', 'woocommerce' ); } } else { $availability = __( 'In stock', 'woocommerce' ); } break; default : $availability = sprintf( __( '%s in stock', 'woocommerce' ), $this->get_total_stock() ); if ( $this->backorders_allowed() && $this->backorders_require_notification() ) { $availability .= ' ' . __( '(also available on backorder)', 'woocommerce' ); } break; } } else { $availability = ''; } return apply_filters( 'woocommerce_get_availability_text', $availability, $this ); } /** * Get availability classname based on stock status. * * @return string */ protected function get_availability_class() { if ( ! $this->is_in_stock() ) { $class = 'out-of-stock'; } elseif ( $this->managing_stock() && $this->is_on_backorder( 1 ) && $this->backorders_require_notification() ) { $class = 'available-on-backorder'; } else { $class = 'in-stock'; } return apply_filters( 'woocommerce_get_availability_class', $class, $this ); } /** * Returns whether or not the product is featured. * * @return bool */ public function is_featured() { return $this->featured === 'yes' ? true : false; } /** * Returns whether or not the product is visible in the catalog. * * @return bool */ public function is_visible() { if ( ! $this->post ) { $visible = false; // Published/private } elseif ( $this->post->post_status !== 'publish' && ! current_user_can( 'edit_post', $this->id ) ) { $visible = false; // Out of stock visibility } elseif ( 'yes' === get_option( 'woocommerce_hide_out_of_stock_items' ) && ! $this->is_in_stock() ) { $visible = false; // visibility setting } elseif ( 'hidden' === $this->visibility ) { $visible = false; } elseif ( 'visible' === $this->visibility ) { $visible = true; // Visibility in loop } elseif ( is_search() ) { $visible = 'search' === $this->visibility; } else { $visible = 'catalog' === $this->visibility; } return apply_filters( 'woocommerce_product_is_visible', $visible, $this->id ); } /** * Returns whether or not the product is on sale. * * @return bool */ public function is_on_sale() { return apply_filters( 'woocommerce_product_is_on_sale', ( $this->get_sale_price() !== $this->get_regular_price() && $this->get_sale_price() === $this->get_price() ), $this ); } /** * Returns false if the product cannot be bought. * * @return bool */ public function is_purchasable() { $purchasable = true; // Products must exist of course if ( ! $this->exists() ) { $purchasable = false; // Other products types need a price to be set } elseif ( $this->get_price() === '' ) { $purchasable = false; // Check the product is published } elseif ( $this->post->post_status !== 'publish' && ! current_user_can( 'edit_post', $this->id ) ) { $purchasable = false; } return apply_filters( 'woocommerce_is_purchasable', $purchasable, $this ); } /** * Set a products price dynamically. * * @param float $price Price to set. */ public function set_price( $price ) { $this->price = $price; } /** * Adjust a products price dynamically. * * @param mixed $price */ public function adjust_price( $price ) { $this->price = $this->price + $price; } /** * Returns the product's sale price. * * @return string price */ public function get_sale_price() { return apply_filters( 'woocommerce_get_sale_price', $this->sale_price, $this ); } /** * Returns the product's regular price. * * @return string price */ public function get_regular_price() { return apply_filters( 'woocommerce_get_regular_price', $this->regular_price, $this ); } /** * Returns the product's active price. * * @return string price */ public function get_price() { return apply_filters( 'woocommerce_get_price', $this->price, $this ); } /** * Returns the price (including tax). Uses customer tax rates. Can work for a specific $qty for more accurate taxes. * * @param int $qty * @param string $price to calculate, left blank to just use get_price() * @return string */ public function get_price_including_tax( $qty = 1, $price = '' ) { if ( $price === '' ) { $price = $this->get_price(); } if ( $this->is_taxable() ) { if ( get_option( 'woocommerce_prices_include_tax' ) === 'no' ) { $tax_rates = WC_Tax::get_rates( $this->get_tax_class() ); $taxes = WC_Tax::calc_tax( $price * $qty, $tax_rates, false ); $tax_amount = WC_Tax::get_tax_total( $taxes ); $price = round( $price * $qty + $tax_amount, wc_get_price_decimals() ); } else { $tax_rates = WC_Tax::get_rates( $this->get_tax_class() ); $base_tax_rates = WC_Tax::get_base_tax_rates( $this->tax_class ); if ( ! empty( WC()->customer ) && WC()->customer->is_vat_exempt() ) { $base_taxes = WC_Tax::calc_tax( $price * $qty, $base_tax_rates, true ); $base_tax_amount = array_sum( $base_taxes ); $price = round( $price * $qty - $base_tax_amount, wc_get_price_decimals() ); /** * The woocommerce_adjust_non_base_location_prices filter can stop base taxes being taken off when dealing with out of base locations. * e.g. If a product costs 10 including tax, all users will pay 10 regardless of location and taxes. * This feature is experimental @since 2.4.7 and may change in the future. Use at your risk. */ } elseif ( $tax_rates !== $base_tax_rates && apply_filters( 'woocommerce_adjust_non_base_location_prices', true ) ) { $base_taxes = WC_Tax::calc_tax( $price * $qty, $base_tax_rates, true ); $modded_taxes = WC_Tax::calc_tax( ( $price * $qty ) - array_sum( $base_taxes ), $tax_rates, false ); $price = round( ( $price * $qty ) - array_sum( $base_taxes ) + array_sum( $modded_taxes ), wc_get_price_decimals() ); } else { $price = $price * $qty; } } } else { $price = $price * $qty; } return apply_filters( 'woocommerce_get_price_including_tax', $price, $qty, $this ); } /** * Returns the price (excluding tax) - ignores tax_class filters since the price may *include* tax and thus needs subtracting. * Uses store base tax rates. Can work for a specific $qty for more accurate taxes. * * @param int $qty * @param string $price to calculate, left blank to just use get_price() * @return string */ public function get_price_excluding_tax( $qty = 1, $price = '' ) { if ( $price === '' ) { $price = $this->get_price(); } if ( $this->is_taxable() && 'yes' === get_option( 'woocommerce_prices_include_tax' ) ) { $tax_rates = WC_Tax::get_base_tax_rates( $this->tax_class ); $taxes = WC_Tax::calc_tax( $price * $qty, $tax_rates, true ); $price = WC_Tax::round( $price * $qty - array_sum( $taxes ) ); } else { $price = $price * $qty; } return apply_filters( 'woocommerce_get_price_excluding_tax', $price, $qty, $this ); } /** * Returns the price including or excluding tax, based on the 'woocommerce_tax_display_shop' setting. * * @param string $price to calculate, left blank to just use get_price() * @param integer $qty passed on to get_price_including_tax() or get_price_excluding_tax() * @return string */ public function get_display_price( $price = '', $qty = 1 ) { if ( $price === '' ) { $price = $this->get_price(); } $tax_display_mode = get_option( 'woocommerce_tax_display_shop' ); $display_price = $tax_display_mode == 'incl' ? $this->get_price_including_tax( $qty, $price ) : $this->get_price_excluding_tax( $qty, $price ); return $display_price; } /** * Get the suffix to display after prices > 0. * * @param string $price to calculate, left blank to just use get_price() * @param integer $qty passed on to get_price_including_tax() or get_price_excluding_tax() * @return string */ public function get_price_suffix( $price = '', $qty = 1 ) { if ( $price === '' ) { $price = $this->get_price(); } $price_display_suffix = get_option( 'woocommerce_price_display_suffix' ); if ( $price_display_suffix ) { $price_display_suffix = ' ' . $price_display_suffix . ''; $find = array( '{price_including_tax}', '{price_excluding_tax}' ); $replace = array( wc_price( $this->get_price_including_tax( $qty, $price ) ), wc_price( $this->get_price_excluding_tax( $qty, $price ) ) ); $price_display_suffix = str_replace( $find, $replace, $price_display_suffix ); } return apply_filters( 'woocommerce_get_price_suffix', $price_display_suffix, $this ); } /** * Returns the price in html format. * * @param string $price (default: '') * @return string */ public function get_price_html( $price = '' ) { $display_price = $this->get_display_price(); $display_regular_price = $this->get_display_price( $this->get_regular_price() ); if ( $this->get_price() > 0 ) { if ( $this->is_on_sale() && $this->get_regular_price() ) { $price .= $this->get_price_html_from_to( $display_regular_price, $display_price ) . $this->get_price_suffix(); $price = apply_filters( 'woocommerce_sale_price_html', $price, $this ); } else { $price .= wc_price( $display_price ) . $this->get_price_suffix(); $price = apply_filters( 'woocommerce_price_html', $price, $this ); } } elseif ( $this->get_price() === '' ) { $price = apply_filters( 'woocommerce_empty_price_html', '', $this ); } elseif ( $this->get_price() == 0 ) { if ( $this->is_on_sale() && $this->get_regular_price() ) { $price .= $this->get_price_html_from_to( $display_regular_price, __( 'Free!', 'woocommerce' ) ); $price = apply_filters( 'woocommerce_free_sale_price_html', $price, $this ); } else { $price = '' . __( 'Free!', 'woocommerce' ) . ''; $price = apply_filters( 'woocommerce_free_price_html', $price, $this ); } } return apply_filters( 'woocommerce_get_price_html', $price, $this ); } /** * Functions for getting parts of a price, in html, used by get_price_html. * * @return string */ public function get_price_html_from_text() { $from = '' . _x( 'From:', 'min_price', 'woocommerce' ) . ' '; return apply_filters( 'woocommerce_get_price_html_from_text', $from, $this ); } /** * Functions for getting parts of a price, in html, used by get_price_html. * * @param string $from String or float to wrap with 'from' text * @param mixed $to String or float to wrap with 'to' text * @return string */ public function get_price_html_from_to( $from, $to ) { $price = '' . ( ( is_numeric( $from ) ) ? wc_price( $from ) : $from ) . ' ' . ( ( is_numeric( $to ) ) ? wc_price( $to ) : $to ) . ''; return apply_filters( 'woocommerce_get_price_html_from_to', $price, $from, $to, $this ); } /** * Returns the tax class. * * @return string */ public function get_tax_class() { return apply_filters( 'woocommerce_product_tax_class', $this->tax_class, $this ); } /** * Returns the tax status. * * @return string */ public function get_tax_status() { return $this->tax_status; } /** * Get the average rating of product. This is calculated once and stored in postmeta. * @return string */ public function get_average_rating() { // No meta data? Do the calculation if ( ! metadata_exists( 'post', $this->id, '_wc_average_rating' ) ) { $this->sync_average_rating( $this->id ); } return (string) floatval( get_post_meta( $this->id, '_wc_average_rating', true ) ); } /** * Get the total amount (COUNT) of ratings. * @param int $value Optional. Rating value to get the count for. By default returns the count of all rating values. * @return int */ public function get_rating_count( $value = null ) { // No meta data? Do the calculation if ( ! metadata_exists( 'post', $this->id, '_wc_rating_count' ) ) { $this->sync_rating_count( $this->id ); } $counts = get_post_meta( $this->id, '_wc_rating_count', true ); if ( is_null( $value ) ) { return array_sum( $counts ); } else { return isset( $counts[ $value ] ) ? $counts[ $value ] : 0; } } /** * Sync product rating. Can be called statically. * @param int $post_id */ public static function sync_average_rating( $post_id ) { if ( ! metadata_exists( 'post', $post_id, '_wc_rating_count' ) ) { self::sync_rating_count( $post_id ); } $count = array_sum( (array) get_post_meta( $post_id, '_wc_rating_count', true ) ); if ( $count ) { global $wpdb; $ratings = $wpdb->get_var( $wpdb->prepare(" SELECT SUM(meta_value) FROM $wpdb->commentmeta LEFT JOIN $wpdb->comments ON $wpdb->commentmeta.comment_id = $wpdb->comments.comment_ID WHERE meta_key = 'rating' AND comment_post_ID = %d AND comment_approved = '1' AND meta_value > 0 ", $post_id ) ); $average = number_format( $ratings / $count, 2, '.', '' ); } else { $average = 0; } update_post_meta( $post_id, '_wc_average_rating', $average ); } /** * Sync product rating count. Can be called statically. * @param int $post_id */ public static function sync_rating_count( $post_id ) { global $wpdb; $counts = array(); $raw_counts = $wpdb->get_results( $wpdb->prepare( " SELECT meta_value, COUNT( * ) as meta_value_count FROM $wpdb->commentmeta LEFT JOIN $wpdb->comments ON $wpdb->commentmeta.comment_id = $wpdb->comments.comment_ID WHERE meta_key = 'rating' AND comment_post_ID = %d AND comment_approved = '1' AND meta_value > 0 GROUP BY meta_value ", $post_id ) ); foreach ( $raw_counts as $count ) { $counts[ $count->meta_value ] = $count->meta_value_count; } update_post_meta( $post_id, '_wc_rating_count', $counts ); } /** * Returns the product rating in html format. * * @param string $rating (default: '') * * @return string */ public function get_rating_html( $rating = null ) { $rating_html = ''; if ( ! is_numeric( $rating ) ) { $rating = $this->get_average_rating(); } if ( $rating > 0 ) { $rating_html = '
'; $rating_html .= '' . $rating . ' ' . __( 'out of 5', 'woocommerce' ) . ''; $rating_html .= '
'; } return apply_filters( 'woocommerce_product_get_rating_html', $rating_html, $rating ); } /** * Get the total amount (COUNT) of reviews. * * @since 2.3.2 * @return int The total numver of product reviews */ public function get_review_count() { global $wpdb; // No meta date? Do the calculation if ( ! metadata_exists( 'post', $this->id, '_wc_review_count' ) ) { $count = $wpdb->get_var( $wpdb->prepare(" SELECT COUNT(*) FROM $wpdb->comments WHERE comment_parent = 0 AND comment_post_ID = %d AND comment_approved = '1' ", $this->id ) ); update_post_meta( $this->id, '_wc_review_count', $count ); } else { $count = get_post_meta( $this->id, '_wc_review_count', true ); } return apply_filters( 'woocommerce_product_review_count', $count, $this ); } /** * Returns the upsell product ids. * * @return array */ public function get_upsells() { return apply_filters( 'woocommerce_product_upsell_ids', (array) maybe_unserialize( $this->upsell_ids ), $this ); } /** * Returns the cross sell product ids. * * @return array */ public function get_cross_sells() { return apply_filters( 'woocommerce_product_crosssell_ids', (array) maybe_unserialize( $this->crosssell_ids ), $this ); } /** * Returns the product categories. * * @param string $sep (default: ', ') * @param string $before (default: '') * @param string $after (default: '') * @return string */ public function get_categories( $sep = ', ', $before = '', $after = '' ) { return get_the_term_list( $this->id, 'product_cat', $before, $sep, $after ); } /** * Returns the product tags. * * @param string $sep (default: ', ') * @param string $before (default: '') * @param string $after (default: '') * @return array */ public function get_tags( $sep = ', ', $before = '', $after = '' ) { return get_the_term_list( $this->id, 'product_tag', $before, $sep, $after ); } /** * Returns the product shipping class. * * @return string */ public function get_shipping_class() { if ( ! $this->shipping_class ) { $classes = get_the_terms( $this->id, 'product_shipping_class' ); if ( $classes && ! is_wp_error( $classes ) ) { $this->shipping_class = current( $classes )->slug; } else { $this->shipping_class = ''; } } return $this->shipping_class; } /** * Returns the product shipping class ID. * * @return int */ public function get_shipping_class_id() { if ( ! $this->shipping_class_id ) { $classes = get_the_terms( $this->id, 'product_shipping_class' ); if ( $classes && ! is_wp_error( $classes ) ) { $this->shipping_class_id = current( $classes )->term_id; } else { $this->shipping_class_id = 0; } } return absint( $this->shipping_class_id ); } /** * Get and return related products. * * Notes: * - Results are cached in a transient for faster queries. * - To make results appear random, we query and extra 10 products and shuffle them. * - To ensure we always have enough results, it will check $limit before returning the cached result, if not recalc. * - This used to rely on transient version to invalidate cache, but to avoid multiple transients we now just expire daily. * This means if a related product is edited and no longer related, it won't be removed for 24 hours. Acceptable trade-off for performance. * - Saving a product will flush caches for that product. * * @param int $limit (default: 5) Should be an integer greater than 0. * @return array Array of post IDs */ public function get_related( $limit = 5 ) { global $wpdb; $transient_name = 'wc_related_' . $this->id; $related_posts = get_transient( $transient_name ); $limit = $limit > 0 ? $limit : 5; // We want to query related posts if they are not cached, or we don't have enough if ( false === $related_posts || sizeof( $related_posts ) < $limit ) { // Related products are found from category and tag $tags_array = $this->get_related_terms( 'product_tag' ); $cats_array = $this->get_related_terms( 'product_cat' ); // Don't bother if none are set if ( 1 === sizeof( $cats_array ) && 1 === sizeof( $tags_array )) { $related_posts = array(); } else { // Sanitize $exclude_ids = array_map( 'absint', array_merge( array( 0, $this->id ), $this->get_upsells() ) ); // Generate query - but query an extra 10 results to give the appearance of random results $query = $this->build_related_query( $cats_array, $tags_array, $exclude_ids, $limit + 10 ); // Get the posts $related_posts = $wpdb->get_col( implode( ' ', $query ) ); } set_transient( $transient_name, $related_posts, DAY_IN_SECONDS ); } // Randomise the results shuffle( $related_posts ); // Limit the returned results return array_slice( $related_posts, 0, $limit ); } /** * Returns a single product attribute. * * @param mixed $attr * @return string */ public function get_attribute( $attr ) { $attributes = $this->get_attributes(); $attr = sanitize_title( $attr ); if ( isset( $attributes[ $attr ] ) || isset( $attributes[ 'pa_' . $attr ] ) ) { $attribute = isset( $attributes[ $attr ] ) ? $attributes[ $attr ] : $attributes[ 'pa_' . $attr ]; if ( isset( $attribute['is_taxonomy'] ) && $attribute['is_taxonomy'] ) { return implode( ', ', wc_get_product_terms( $this->id, $attribute['name'], array( 'fields' => 'names' ) ) ); } else { return $attribute['value']; } } return ''; } /** * Returns product attributes. * * @return array */ public function get_attributes() { $attributes = array_filter( (array) maybe_unserialize( $this->product_attributes ) ); $taxonomies = wp_list_pluck( wc_get_attribute_taxonomies(), 'attribute_name' ); // Check for any attributes which have been removed globally foreach ( $attributes as $key => $attribute ) { if ( $attribute['is_taxonomy'] ) { if ( ! in_array( substr( $attribute['name'], 3 ), $taxonomies ) ) { unset( $attributes[ $key ] ); } } } return apply_filters( 'woocommerce_get_product_attributes', $attributes ); } /** * Returns whether or not the product has any attributes set. * * @return boolean */ public function has_attributes() { if ( sizeof( $this->get_attributes() ) > 0 ) { foreach ( $this->get_attributes() as $attribute ) { if ( isset( $attribute['is_visible'] ) && $attribute['is_visible'] ) { return true; } } } return false; } /** * Returns whether or not we are showing dimensions on the product page. * * @return bool */ public function enable_dimensions_display() { return apply_filters( 'wc_product_enable_dimensions_display', true ); } /** * Returns whether or not the product has dimensions set. * * @return bool */ public function has_dimensions() { return $this->get_dimensions() ? true : false; } /** * Returns the product length. * @return string */ public function get_length() { return apply_filters( 'woocommerce_product_length', $this->length ? $this->length : '', $this ); } /** * Returns the product width. * @return string */ public function get_width() { return apply_filters( 'woocommerce_product_width', $this->width ? $this->width : '', $this ); } /** * Returns the product height. * @return string */ public function get_height() { return apply_filters( 'woocommerce_product_height', $this->height ? $this->height : '', $this ); } /** * Returns the product's weight. * @todo refactor filters in this class to naming woocommerce_product_METHOD * @return string */ public function get_weight() { return apply_filters( 'woocommerce_product_weight', apply_filters( 'woocommerce_product_get_weight', $this->weight ? $this->weight : '' ), $this ); } /** * Returns whether or not the product has weight set. * * @return bool */ public function has_weight() { return $this->get_weight() ? true : false; } /** * Returns formatted dimensions. * @return string */ public function get_dimensions() { $dimensions = implode( ' x ', array_filter( array( wc_format_localized_decimal( $this->get_length() ), wc_format_localized_decimal( $this->get_width() ), wc_format_localized_decimal( $this->get_height() ), ) ) ); if ( ! empty( $dimensions ) ) { $dimensions .= ' ' . get_option( 'woocommerce_dimension_unit' ); } return apply_filters( 'woocommerce_product_dimensions', $dimensions, $this ); } /** * Lists a table of attributes for the product page. */ public function list_attributes() { wc_get_template( 'single-product/product-attributes.php', array( 'product' => $this ) ); } /** * Gets the main product image ID. * * @return int */ public function get_image_id() { if ( has_post_thumbnail( $this->id ) ) { $image_id = get_post_thumbnail_id( $this->id ); } elseif ( ( $parent_id = wp_get_post_parent_id( $this->id ) ) && has_post_thumbnail( $parent_id ) ) { $image_id = get_post_thumbnail_id( $parent_id ); } else { $image_id = 0; } return $image_id; } /** * Returns the main product image. * * @param string $size (default: 'shop_thumbnail') * @param array $attr * @param bool True to return $placeholder if no image is found, or false to return an empty string. * @return string */ public function get_image( $size = 'shop_thumbnail', $attr = array(), $placeholder = true ) { if ( has_post_thumbnail( $this->id ) ) { $image = get_the_post_thumbnail( $this->id, $size, $attr ); } elseif ( ( $parent_id = wp_get_post_parent_id( $this->id ) ) && has_post_thumbnail( $parent_id ) ) { $image = get_the_post_thumbnail( $parent_id, $size, $attr ); } elseif ( $placeholder ) { $image = wc_placeholder_img( $size ); } else { $image = ''; } return $image; } /** * Get product name with SKU or ID. Used within admin. * * @return string Formatted product name */ public function get_formatted_name() { if ( $this->get_sku() ) { $identifier = $this->get_sku(); } else { $identifier = '#' . $this->id; } return sprintf( '%s – %s', $identifier, $this->get_title() ); } /** * Retrieves related product terms. * * @param string $term * @return array */ protected function get_related_terms( $term ) { $terms_array = array(0); $terms = apply_filters( 'woocommerce_get_related_' . $term . '_terms', wp_get_post_terms( $this->id, $term ), $this->id ); foreach ( $terms as $term ) { $terms_array[] = $term->term_id; } return array_map( 'absint', $terms_array ); } /** * Builds the related posts query. * * @param array $cats_array * @param array $tags_array * @param array $exclude_ids * @param int $limit * @return string */ protected function build_related_query( $cats_array, $tags_array, $exclude_ids, $limit ) { global $wpdb; $limit = absint( $limit ); $query = array(); $query['fields'] = "SELECT DISTINCT ID FROM {$wpdb->posts} p"; $query['join'] = " INNER JOIN {$wpdb->postmeta} pm ON ( pm.post_id = p.ID AND pm.meta_key='_visibility' )"; $query['join'] .= " INNER JOIN {$wpdb->term_relationships} tr ON (p.ID = tr.object_id)"; $query['join'] .= " INNER JOIN {$wpdb->term_taxonomy} tt ON (tr.term_taxonomy_id = tt.term_taxonomy_id)"; $query['join'] .= " INNER JOIN {$wpdb->terms} t ON (t.term_id = tt.term_id)"; if ( get_option( 'woocommerce_hide_out_of_stock_items' ) === 'yes' ) { $query['join'] .= " INNER JOIN {$wpdb->postmeta} pm2 ON ( pm2.post_id = p.ID AND pm2.meta_key='_stock_status' )"; } $query['where'] = " WHERE 1=1"; $query['where'] .= " AND p.post_status = 'publish'"; $query['where'] .= " AND p.post_type = 'product'"; $query['where'] .= " AND p.ID NOT IN ( " . implode( ',', $exclude_ids ) . " )"; $query['where'] .= " AND pm.meta_value IN ( 'visible', 'catalog' )"; if ( get_option( 'woocommerce_hide_out_of_stock_items' ) === 'yes' ) { $query['where'] .= " AND pm2.meta_value = 'instock'"; } $relate_by_category = apply_filters( 'woocommerce_product_related_posts_relate_by_category', true, $this->id ); $relate_by_tag = apply_filters( 'woocommerce_product_related_posts_relate_by_tag', true, $this->id ); if ( $relate_by_category || $relate_by_tag ) { $query['where'] .= ' AND ('; if ( $relate_by_category ) { $query['where'] .= " ( tt.taxonomy = 'product_cat' AND t.term_id IN ( " . implode( ',', $cats_array ) . " ) ) "; if ( $relate_by_tag ) { $query['where'] .= ' OR '; } } if ( $relate_by_tag ) { $query['where'] .= " ( tt.taxonomy = 'product_tag' AND t.term_id IN ( " . implode( ',', $tags_array ) . " ) ) "; } $query['where'] .= ')'; } $query['limits'] = " LIMIT {$limit} "; $query = apply_filters( 'woocommerce_product_related_posts_query', $query, $this->id ); return $query; } }