woocommerce/includes/abstracts/abstract-wc-product.php

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<?php
/**
* Abstract Product Class
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*
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* The WooCommerce product class handles individual product data.
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*
* @class WC_Product
* @var WP_Post
* @version 2.1.0
* @package WooCommerce/Abstracts
* @category Abstract Class
* @author WooThemes
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*
* @property string $width Product width
* @property string $length Product length
* @property string $height Product height
* @property string $weight Product weight
* @property string $price Product price
* @property string $regular_price Product regular price
* @property string $sale_price Product sale price
* @property string $product_image_gallery String of image IDs in the gallery
* @property string $sku Product SKU
* @property string $stock Stock amount
* @property string $downloadable Shows/define if the product is downloadable
* @property string $virtual Shows/define if the product is virtual
* @property string $sold_individually Allow one item to be bought in a single order
* @property string $tax_status Tax status
* @property string $tax_class Tax class
* @property string $manage_stock Shows/define if can manage the product stock
* @property string $stock_status Stock status
* @property string $backorders Whether or not backorders are allowed
* @property string $featured Featured product
* @property string $visibility Product visibility
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* @property string $variation_id Variation ID when dealing with variations
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*/
class WC_Product {
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/**
* The product (post) ID.
*
* @var int
*/
public $id = 0;
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/**
* $post Stores post data
*
* @var $post WP_Post
*/
public $post = null;
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/**
* The product's type (simple, variable etc)
*
* @var string
*/
public $product_type = null;
/**
* Prouduct shipping class
*
* @var string
*/
protected $shipping_class = '';
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/**
* ID of the shipping class this product has
*
* @var int
*/
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protected $shipping_class_id = 0;
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/**
* Constructor gets the post object and sets the ID for the loaded product.
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*
* @param int|WC_Product|object $product Product ID, post object, or product object
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*/
public function __construct( $product ) {
if ( is_numeric( $product ) ) {
$this->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;
}
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}
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/**
* __isset function.
*
* @param mixed $key
* @return bool
*/
public function __isset( $key ) {
return metadata_exists( 'post', $this->id, '_' . $key );
}
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/**
* __get function.
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*
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* @param string $key
* @return mixed
*/
public function __get( $key ) {
$value = get_post_meta( $this->id, '_' . $key, true );
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// Get values or default if not set
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if ( in_array( $key, array( 'downloadable', 'virtual', 'backorders', 'manage_stock', 'featured', 'sold_individually' ) ) ) {
$value = $value ? $value : 'no';
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} elseif ( in_array( $key, array( 'product_attributes', 'crosssell_ids', 'upsell_ids' ) ) ) {
$value = $value ? $value : array();
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} elseif ( 'visibility' === $key ) {
$value = $value ? $value : 'hidden';
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} elseif ( 'stock' === $key ) {
$value = $value ? $value : 0;
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} elseif ( 'stock_status' === $key ) {
$value = $value ? $value : 'instock';
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} elseif ( 'tax_status' === $key ) {
$value = $value ? $value : 'taxable';
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}
if ( ! empty( $value ) ) {
$this->$key = $value;
}
return $value;
}
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/**
* Get the product's post data.
*
* @return object
*/
public function get_post_data() {
return $this->post;
}
/**
* get_gallery_attachment_ids function.
*
* @return array
*/
public function get_gallery_attachment_ids() {
return apply_filters( 'woocommerce_product_gallery_attachment_ids', array_filter( (array) explode( ',', $this->product_image_gallery ) ), $this );
}
/**
* Wrapper for get_permalink
*
* @return string
*/
public function get_permalink() {
return get_permalink( $this->id );
}
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/**
* Get SKU (Stock-keeping unit) - product unique ID.
*
* @return string
*/
public function get_sku() {
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return apply_filters( 'woocommerce_get_sku', $this->sku, $this );
}
/**
* Returns number of items available for sale.
*
* @return int
*/
public function get_stock_quantity() {
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return apply_filters( 'woocommerce_get_stock_quantity', $this->managing_stock() ? wc_stock_amount( $this->stock ) : '', $this );
}
/**
* Get total stock.
*
* @return int
*/
public function get_total_stock() {
return $this->get_stock_quantity();
}
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/**
* 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;
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}
// 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();
}
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/**
* Reduce stock level of the product.
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*
* @param int $amount Amount to reduce by. Default: 1
* @return int new stock level
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*/
public function reduce_stock( $amount = 1 ) {
return $this->set_stock( $amount, 'subtract' );
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}
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/**
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* Increase stock level of the product.
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*
* @param int $amount Amount to increase by. Default 1.
* @return int new stock level
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*/
public function increase_stock( $amount = 1 ) {
return $this->set_stock( $amount, 'add' );
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}
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/**
* set_stock_status function.
*
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* @param string $status
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*/
public function set_stock_status( $status ) {
$status = ( 'outofstock' === $status ) ? 'outofstock' : 'instock';
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// 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;
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do_action( 'woocommerce_product_set_stock_status', $this->id, $status );
}
}
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/**
* Return the product type.
*
* @return string
*/
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public function get_type() {
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return is_null( $this->product_type ) ? '' : $this->product_type;
}
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/**
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* Checks the product type.
*
* Backwards compat with downloadable/virtual.
*
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* @param string $type Array or string of types
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* @return bool
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*/
public function is_type( $type ) {
return ( $this->product_type == $type || ( is_array( $type ) && in_array( $this->product_type, $type ) ) ) ? true : false;
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}
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/**
* Checks if a product is downloadable
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*
* @return bool
*/
public function is_downloadable() {
return $this->downloadable == 'yes' ? true : false;
}
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/**
* 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.
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*/
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() );
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if ( ! empty( $downloadable_files ) ) {
foreach ( $downloadable_files as $key => $file ) {
if ( ! is_array( $file ) ) {
$downloadable_files[ $key ] = array(
'file' => $file,
'name' => ''
);
}
// Set default name
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if ( empty( $file['name'] ) ) {
$downloadable_files[ $key ]['name'] = wc_get_filename_from_url( $file['file'] );
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}
// 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 ];
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} else {
$file = false;
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}
// allow overriding based on the particular file being requested
return apply_filters( 'woocommerce_product_file', $file, $this, $download_id );
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}
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/**
* Get file download path identified by $download_id
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*
* @param string $download_id file identifier
* @return string
*/
public function get_file_download_path( $download_id ) {
$files = $this->get_files();
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if ( isset( $files[ $download_id ] ) ) {
$file_path = $files[ $download_id ]['file'];
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} else {
$file_path = '';
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}
// allow overriding based on the particular file being requested
return apply_filters( 'woocommerce_product_file_download_path', $file_path, $this, $download_id );
}
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/**
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* Checks if a product is virtual (has no shipping).
*
* @return bool
*/
public function is_virtual() {
return $this->virtual == 'yes' ? true : false;
}
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/**
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* Checks if a product needs shipping.
*
* @return bool
*/
public function needs_shipping() {
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return apply_filters( 'woocommerce_product_needs_shipping', $this->is_virtual() ? false : true, $this );
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}
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/**
* Check if a product is sold individually (no quantities)
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*
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* @return bool
*/
public function is_sold_individually() {
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$return = false;
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if ( 'yes' == $this->sold_individually ) {
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$return = true;
}
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return apply_filters( 'woocommerce_is_sold_individually', $return, $this );
}
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/**
* get_child function.
*
* @param mixed $child_id
* @return WC_Product WC_Product or WC_Product_variation
*/
public function get_child( $child_id ) {
return wc_get_product( $child_id );
}
/**
* get_children function.
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*
* @return array
*/
public function get_children() {
return array();
}
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/**
* Returns whether or not the product has any child product.
*
* @return bool
*/
public function has_child() {
return false;
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}
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/**
* Returns whether or not the product post exists.
*
* @return bool
*/
public function exists() {
return empty( $this->post ) ? false : true;
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}
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/**
* 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 );
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}
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/**
* 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;
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}
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/**
* Get the title of the post.
*
* @return string
*/
public function get_title() {
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return apply_filters( 'woocommerce_product_title', $this->post ? $this->post->post_title : '', $this );
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}
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/**
* Get the parent of the post.
*
* @return int
*/
public function get_parent() {
return apply_filters( 'woocommerce_product_parent', absint( $this->post->post_parent ), $this );
}
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/**
* Get the add to url used mainly in loops.
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*
* @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 );
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}
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/**
* 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;
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}
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/**
* Returns whether or not the product is in stock.
*
* @return bool
*/
public function is_in_stock() {
if ( $this->managing_stock() && $this->backorders_allowed() ) {
return true;
} elseif ( $this->managing_stock() && $this->get_total_stock() <= get_option( 'woocommerce_notify_no_stock_amount' ) ) {
return false;
} else {
return $this->stock_status === 'instock';
}
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}
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/**
* 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 );
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}
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/**
* Returns whether or not the product needs to notify the customer on backorder.
*
* @return bool
*/
public function backorders_require_notification() {
return $this->managing_stock() && $this->backorders === 'notify' ? true : false;
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}
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/**
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* Check if a product is on backorder
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*
* @param int $qty_in_cart (default: 0)
* @return bool
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*/
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;
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}
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/**
* 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;
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}
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/**
* Returns the availability of the product.
*
* @return string
*/
public function get_availability() {
$availability = $class = '';
if ( $this->managing_stock() ) {
if ( $this->is_in_stock() && $this->get_total_stock() > get_option( 'woocommerce_notify_no_stock_amount' ) ) {
switch ( get_option( 'woocommerce_stock_format' ) ) {
case 'no_amount' :
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$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 .= ' ' . __( '(can be backordered)', '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 .= ' ' . __( '(can be backordered)', 'woocommerce' );
}
break;
}
$class = 'in-stock';
} elseif ( $this->backorders_allowed() && $this->backorders_require_notification() ) {
$availability = __( 'Available on backorder', 'woocommerce' );
$class = 'available-on-backorder';
} elseif ( $this->backorders_allowed() ) {
$availability = __( 'In stock', 'woocommerce' );
$class = 'in-stock';
} else {
$availability = __( 'Out of stock', 'woocommerce' );
$class = 'out-of-stock';
}
} elseif ( ! $this->is_in_stock() ) {
$availability = __( 'Out of stock', 'woocommerce' );
$class = 'out-of-stock';
}
return apply_filters( 'woocommerce_get_availability', array( 'availability' => $availability, 'class' => $class ), $this );
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}
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/**
* Returns whether or not the product is featured.
*
* @return bool
*/
public function is_featured() {
return $this->featured === 'yes' ? true : false;
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}
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/**
* Returns whether or not the product is visible in the catalog.
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*
* @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;
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// Out of stock visibility
} elseif ( 'yes' === get_option( 'woocommerce_hide_out_of_stock_items' ) && ! $this->is_in_stock() ) {
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$visible = false;
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// visibility setting
} elseif ( 'hidden' === $this->visibility ) {
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$visible = false;
} elseif ( 'visible' === $this->visibility ) {
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$visible = true;
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// Visibility in loop
} elseif ( is_search() ) {
$visible = 'search' === $this->visibility;
} else {
$visible = 'catalog' === $this->visibility;
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}
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return apply_filters( 'woocommerce_product_is_visible', $visible, $this->id );
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}
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/**
* 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 );
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}
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/**
* Returns false if the product cannot be bought.
*
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* @return bool
*/
public function is_purchasable() {
$purchasable = true;
// Products must exist of course
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if ( ! $this->exists() ) {
$purchasable = false;
// Other products types need a price to be set
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} elseif ( $this->get_price() === '' ) {
$purchasable = false;
// Check the product is published
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} elseif ( $this->post->post_status !== 'publish' && ! current_user_can( 'edit_post', $this->id ) ) {
$purchasable = false;
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}
return apply_filters( 'woocommerce_is_purchasable', $purchasable, $this );
}
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/**
* Set a products price dynamically.
*
* @param float $price Price to set.
*/
public function set_price( $price ) {
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$this->price = $price;
}
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/**
* Adjust a products price dynamically.
*
* @param mixed $price
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*/
public function adjust_price( $price ) {
$this->price = $this->price + $price;
}
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/**
* Returns the product's sale price.
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*
* @return string price
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*/
public function get_sale_price() {
return apply_filters( 'woocommerce_get_sale_price', $this->sale_price, $this );
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}
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/**
* Returns the product's regular price.
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*
* @return string price
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*/
public function get_regular_price() {
return apply_filters( 'woocommerce_get_regular_price', $this->regular_price, $this );
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}
/**
* Returns the product's active price.
*
* @return string price
*/
public function get_price() {
return apply_filters( 'woocommerce_get_price', $this->price, $this );
}
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/**
* Returns the price (including tax). Uses customer tax rates. Can work for a specific $qty for more accurate taxes.
*
* @param string $price to calculate, left blank to just use get_price()
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* @return string
*/
public function get_price_including_tax( $qty = 1, $price = '' ) {
if ( $price === '' ) {
$price = $this->get_price();
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}
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if ( $this->is_taxable() ) {
if ( get_option( 'woocommerce_prices_include_tax' ) === 'no' ) {
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$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() );
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} else {
$tax_rates = WC_Tax::get_rates( $this->get_tax_class() );
$base_tax_rates = WC_Tax::get_base_tax_rates( $this->tax_class );
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if ( ! empty( WC()->customer ) && WC()->customer->is_vat_exempt() ) {
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$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() );
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/**
* 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 !== $base_tax_rates && apply_filters( 'woocommerce_adjust_non_base_location_prices', true ) ) {
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$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() );
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} else {
$price = $price * $qty;
}
}
} else {
$price = $price * $qty;
}
return apply_filters( 'woocommerce_get_price_including_tax', $price, $qty, $this );
}
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/**
* Returns the price (excluding tax) - ignores tax_class filters since the price may *include* tax and thus needs subtracting.
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* Uses store base tax rates. Can work for a specific $qty for more accurate taxes.
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*
* @param string $price to calculate, left blank to just use get_price()
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* @return string
*/
public function get_price_excluding_tax( $qty = 1, $price = '' ) {
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if ( $price === '' ) {
$price = $this->get_price();
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}
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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 ) );
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} else {
$price = $price * $qty;
}
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return apply_filters( 'woocommerce_get_price_excluding_tax', $price, $qty, $this );
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}
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/**
* 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 = ' <small class="woocommerce-price-suffix">' . $price_display_suffix . '</small>';
$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 );
}
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/**
* Returns the price in html format.
*
* @param string $price (default: '')
* @return string
*/
public function get_price_html( $price = '' ) {
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$display_price = $this->get_display_price();
$display_regular_price = $this->get_display_price( $this->get_regular_price() );
if ( $this->get_price() > 0 ) {
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if ( $this->is_on_sale() && $this->get_regular_price() ) {
$price .= $this->get_price_html_from_to( $display_regular_price, $display_price ) . $this->get_price_suffix();
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$price = apply_filters( 'woocommerce_sale_price_html', $price, $this );
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} else {
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$price .= wc_price( $display_price ) . $this->get_price_suffix();
$price = apply_filters( 'woocommerce_price_html', $price, $this );
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}
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} elseif ( $this->get_price() === '' ) {
$price = apply_filters( 'woocommerce_empty_price_html', '', $this );
} elseif ( $this->get_price() == 0 ) {
if ( $this->is_on_sale() && $this->get_regular_price() ) {
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$price .= $this->get_price_html_from_to( $display_regular_price, __( 'Free!', 'woocommerce' ) );
$price = apply_filters( 'woocommerce_free_sale_price_html', $price, $this );
} else {
$price = '<span class="amount">' . __( 'Free!', 'woocommerce' ) . '</span>';
$price = apply_filters( 'woocommerce_free_price_html', $price, $this );
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}
}
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return apply_filters( 'woocommerce_get_price_html', $price, $this );
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}
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/**
* Functions for getting parts of a price, in html, used by get_price_html.
*
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* @return string
*/
public function get_price_html_from_text() {
$from = '<span class="from">' . _x( 'From:', 'min_price', 'woocommerce' ) . ' </span>';
return apply_filters( 'woocommerce_get_price_html_from_text', $from, $this );
}
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/**
* Functions for getting parts of a price, in html, used by get_price_html.
*
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* @param string $from String or float to wrap with 'from' text
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* @param mixed $to String or float to wrap with 'to' text
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* @return string
*/
public function get_price_html_from_to( $from, $to ) {
$price = '<del>' . ( ( is_numeric( $from ) ) ? wc_price( $from ) : $from ) . '</del> <ins>' . ( ( is_numeric( $to ) ) ? wc_price( $to ) : $to ) . '</ins>';
return apply_filters( 'woocommerce_get_price_html_from_to', $price, $from, $to, $this );
}
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/**
* 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;
}
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/**
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* Get the average rating of product.
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*
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* @return string
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*/
public function get_average_rating() {
$transient_name = 'wc_average_rating_' . $this->id . WC_Cache_Helper::get_transient_version( 'product' );
if ( false === ( $average_rating = get_transient( $transient_name ) ) ) {
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global $wpdb;
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$average_rating = '';
$count = $this->get_rating_count();
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if ( $count > 0 ) {
$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'
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AND meta_value > 0
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", $this->id ) );
$average_rating = number_format( $ratings / $count, 2 );
}
set_transient( $transient_name, $average_rating, DAY_IN_SECONDS * 30 );
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}
return $average_rating;
}
/**
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* Get the total amount (COUNT) of ratings.
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*
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* @param int $value Optional. Rating value to get the count for. By default
* returns the count of all rating values.
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* @return int
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*/
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public function get_rating_count( $value = null ) {
$transient_name = 'wc_rating_count_' . $this->id . WC_Cache_Helper::get_transient_version( 'product' );
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if ( ! is_array( $counts = get_transient( $transient_name ) ) ) {
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
", $this->id ) );
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foreach ( $raw_counts as $count ) {
$counts[ $count->meta_value ] = $count->meta_value_count;
}
set_transient( $transient_name, $counts, DAY_IN_SECONDS * 30 );
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}
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if ( is_null( $value ) ) {
return array_sum( $counts );
} else {
return isset( $counts[ $value ] ) ? $counts[ $value ] : 0;
}
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}
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/**
* Returns the product rating in html format.
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*
* @param string $rating (default: '')
*
* @return string
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*/
public function get_rating_html( $rating = null ) {
$rating_html = '';
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if ( ! is_numeric( $rating ) ) {
$rating = $this->get_average_rating();
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}
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if ( $rating > 0 ) {
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$rating_html = '<div class="star-rating" title="' . sprintf( __( 'Rated %s out of 5', 'woocommerce' ), $rating ) . '">';
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$rating_html .= '<span style="width:' . ( ( $rating / 5 ) * 100 ) . '%"><strong class="rating">' . $rating . '</strong> ' . __( 'out of 5', 'woocommerce' ) . '</span>';
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$rating_html .= '</div>';
}
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return apply_filters( 'woocommerce_product_get_rating_html', $rating_html, $rating );
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}
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/**
* Get the total amount (COUNT) of reviews.
*
* @since 2.3.2
* @return int The total numver of product reviews
*/
public function get_review_count() {
$transient_name = 'wc_review_count_' . $this->id . WC_Cache_Helper::get_transient_version( 'product' );
if ( false === ( $count = get_transient( $transient_name ) ) ) {
global $wpdb;
$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 ) );
set_transient( $transient_name, $count, DAY_IN_SECONDS * 30 );
}
return apply_filters( 'woocommerce_product_review_count', $count, $this );
}
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/**
* Returns the upsell product ids.
*
* @return array
*/
public function get_upsells() {
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return apply_filters( 'woocommerce_product_upsell_ids', (array) maybe_unserialize( $this->upsell_ids ), $this );
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}
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/**
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* Returns the cross sell product ids.
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*
* @return array
*/
public function get_cross_sells() {
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return apply_filters( 'woocommerce_product_crosssell_ids', (array) maybe_unserialize( $this->crosssell_ids ), $this );
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}
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/**
* Returns the product categories.
*
* @param string $sep (default: ', ')
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* @param string $before (default: '')
* @param string $after (default: '')
* @return string
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*/
public function get_categories( $sep = ', ', $before = '', $after = '' ) {
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return get_the_term_list( $this->id, 'product_cat', $before, $sep, $after );
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}
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/**
* Returns the product tags.
*
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* @param string $sep (default: ', ')
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* @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 );
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}
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/**
* Returns the product shipping class.
*
* @return string
*/
public function get_shipping_class() {
if ( ! $this->shipping_class ) {
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$classes = get_the_terms( $this->id, 'product_shipping_class' );
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if ( $classes && ! is_wp_error( $classes ) ) {
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$this->shipping_class = current( $classes )->slug;
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} else {
$this->shipping_class = '';
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}
}
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return $this->shipping_class;
}
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/**
* Returns the product shipping class ID.
*
* @return int
*/
public function get_shipping_class_id() {
if ( ! $this->shipping_class_id ) {
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$classes = get_the_terms( $this->id, 'product_shipping_class' );
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if ( $classes && ! is_wp_error( $classes ) ) {
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$this->shipping_class_id = current( $classes )->term_id;
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} else {
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$this->shipping_class_id = 0;
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}
}
return absint( $this->shipping_class_id );
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}
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/**
* Get and return related products.
*
* @param int $limit (default: 5)
* @return array Array of post IDs
*/
public function get_related( $limit = 5 ) {
$transient_name = 'wc_related_' . $limit . '_' . $this->id . WC_Cache_Helper::get_transient_version( 'product' );
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if ( false === ( $related_posts = get_transient( $transient_name ) ) ) {
global $wpdb;
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// Related products are found from category and tag
$tags_array = $this->get_related_terms( 'product_tag' );
$cats_array = $this->get_related_terms( 'product_cat' );
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// Don't bother if none are set
if ( sizeof( $cats_array ) == 1 && sizeof( $tags_array ) == 1 ) {
$related_posts = array();
} else {
// Sanitize
$exclude_ids = array_map( 'absint', array_merge( array( 0, $this->id ), $this->get_upsells() ) );
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// Generate query
$query = $this->build_related_query( $cats_array, $tags_array, $exclude_ids, $limit );
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// Get the posts
$related_posts = $wpdb->get_col( implode( ' ', $query ) );
}
set_transient( $transient_name, $related_posts, DAY_IN_SECONDS * 30 );
}
shuffle( $related_posts );
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return $related_posts;
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}
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/**
* Returns a single product attribute.
*
* @param mixed $attr
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* @return string
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*/
public function get_attribute( $attr ) {
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$attributes = $this->get_attributes();
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$attr = sanitize_title( $attr );
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if ( isset( $attributes[ $attr ] ) || isset( $attributes[ 'pa_' . $attr ] ) ) {
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$attribute = isset( $attributes[ $attr ] ) ? $attributes[ $attr ] : $attributes[ 'pa_' . $attr ];
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if ( $attribute['is_taxonomy'] ) {
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return implode( ', ', wc_get_product_terms( $this->id, $attribute['name'], array( 'fields' => 'names' ) ) );
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} else {
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return $attribute['value'];
}
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}
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return '';
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}
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/**
* Returns product attributes.
*
* @return array
*/
public function get_attributes() {
return apply_filters( 'woocommerce_get_product_attributes', (array) maybe_unserialize( $this->product_attributes ) );
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}
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/**
* Returns whether or not the product has any attributes set.
*
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* @return boolean
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*/
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;
}
}
}
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return false;
}
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/**
* 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 );
}
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/**
* Returns whether or not the product has dimensions set.
*
* @return bool
*/
public function has_dimensions() {
return $this->get_dimensions() ? true : false;
}
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/**
* 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 );
}
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/**
* Returns whether or not the product has weight set.
*
* @return bool
*/
public function has_weight() {
return $this->get_weight() ? true : false;
}
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/**
* Returns formatted dimensions.
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* @return string
*/
public function get_dimensions() {
$dimensions = implode( ' x ', array_filter( array(
$this->get_length(),
$this->get_width(),
$this->get_height(),
) ) );
if ( ! empty( $dimensions ) ) {
$dimensions .= ' ' . get_option( 'woocommerce_dimension_unit' );
}
return apply_filters( 'woocommerce_product_dimensions', $dimensions, $this );
}
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/**
* Lists a table of attributes for the product page.
*/
public function list_attributes() {
wc_get_template( 'single-product/product-attributes.php', array(
'product' => $this
) );
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}
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/**
* 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')
* @return string
*/
public function get_image( $size = 'shop_thumbnail', $attr = array() ) {
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if ( has_post_thumbnail( $this->id ) ) {
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$image = get_the_post_thumbnail( $this->id, $size, $attr );
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} elseif ( ( $parent_id = wp_get_post_parent_id( $this->id ) ) && has_post_thumbnail( $parent_id ) ) {
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$image = get_the_post_thumbnail( $parent_id, $size, $attr );
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} else {
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$image = wc_placeholder_img( $size );
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}
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return $image;
}
/**
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* Get product name with SKU or ID. Used within admin.
*
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* @return string Formatted product name
*/
public function get_formatted_name() {
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if ( $this->get_sku() ) {
$identifier = $this->get_sku();
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} else {
$identifier = '#' . $this->id;
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}
return sprintf( __( '%s &ndash; %s', 'woocommerce' ), $identifier, $this->get_title() );
}
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/**
* Retrieves related product terms
*
* @param string $term
* @return array
*/
protected function get_related_terms( $term ) {
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$terms_array = array(0);
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$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'";
}
if ( apply_filters( 'woocommerce_product_related_posts_relate_by_category', true, $this->id ) ) {
$query['where'] .= " AND ( tt.taxonomy = 'product_cat' AND t.term_id IN ( " . implode( ',', $cats_array ) . " ) )";
$andor = 'OR';
} else {
$andor = 'AND';
}
// when query is OR - need to check against excluded ids again
if ( apply_filters( 'woocommerce_product_related_posts_relate_by_tag', true, $this->id ) ) {
$query['where'] .= " {$andor} ( ( tt.taxonomy = 'product_tag' AND t.term_id IN ( " . implode( ',', $tags_array ) . " ) )";
$query['where'] .= " AND p.ID NOT IN ( " . implode( ',', $exclude_ids ) . " ) )";
}
$query['limits'] = " LIMIT {$limit} ";
$query = apply_filters( 'woocommerce_product_related_posts_query', $query, $this->id );
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return $query;
}
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}