820 lines
22 KiB
PHP
820 lines
22 KiB
PHP
<?php
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/**
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* Product Class
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*
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* The WooCommerce product class handles individual product data.
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*
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* @class woocommerce_product
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* @package WooCommerce
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* @category Class
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* @author WooThemes
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*/
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class woocommerce_product {
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var $id;
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var $exists;
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var $attributes;
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var $children;
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var $post;
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var $sku;
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var $price;
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var $visibility;
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var $stock;
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var $stock_status;
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var $backorders;
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var $manage_stock;
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var $sale_price;
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var $regular_price;
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var $weight;
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var $tax_status;
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var $tax_class;
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var $upsell_ids;
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var $crosssell_ids;
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var $product_type;
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var $total_stock;
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var $sale_price_dates_from;
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var $sale_price_dates_to;
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/**
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* Loads all product data from custom fields
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*
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* @param int $id ID of the product to load
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*/
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function woocommerce_product( $id ) {
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$this->id = (int) $id;
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$product_custom_fields = get_post_custom( $this->id );
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// Define the data we're going to load: Key => Default value
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$load_data = array(
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'sku' => $this->id,
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'price' => '',
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'visibility' => 'hidden',
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'stock' => 0,
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'stock_status' => 'instock',
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'backorders' => 'no',
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'manage_stock' => 'no',
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'sale_price' => '',
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'regular_price' => '',
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'weight' => '',
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'tax_status' => 'taxable',
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'tax_class' => '',
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'upsell_ids' => array(),
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'crosssell_ids' => array()
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);
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// Load the data from the custom fields
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foreach ($load_data as $key => $default) :
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if (isset($product_custom_fields[$key][0]) && $product_custom_fields[$key][0]!=='') :
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$this->$key = $product_custom_fields[$key][0];
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else :
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$this->$key = $default;
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endif;
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endforeach;
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// Load serialised data, unserialise twice to fix WP bug
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if (isset($product_custom_fields['product_attributes'][0])) $this->attributes = maybe_unserialize( maybe_unserialize( $product_custom_fields['product_attributes'][0] )); else $this->attributes = array();
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// Get product type
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$terms = wp_get_object_terms( $id, 'product_type' );
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if (!is_wp_error($terms) && $terms) :
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$term = current($terms);
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$this->product_type = $term->slug;
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else :
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$this->product_type = 'simple';
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endif;
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$this->get_children();
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// total_stock
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$this->total_stock = $this->stock;
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if (sizeof($this->children)>0) foreach ($this->children as $child) :
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if (isset($child->product->variation_has_stock)) :
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if ($child->product->variation_has_stock) :
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$this->total_stock += $child->product->stock;
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endif;
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else :
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$this->total_stock += $child->product->stock;
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endif;
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endforeach;
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if ($product_custom_fields) :
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$this->exists = true;
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else :
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$this->exists = false;
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endif;
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}
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/**
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* Get SKU (Stock-keeping unit) - product uniqe ID
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*
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* @return mixed
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*/
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function get_sku() {
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return $this->sku;
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}
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/** Returns the product's children */
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function get_children() {
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if (!is_array($this->children)) :
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$this->children = array();
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if ($this->is_type('variable')) $child_post_type = 'product_variation'; else $child_post_type = 'product';
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if ( $children_products =& get_children( 'post_parent='.$this->id.'&post_type='.$child_post_type.'&orderby=menu_order&order=ASC' ) ) :
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if ($children_products) foreach ($children_products as $child) :
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if ($this->is_type('variable')) :
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$child->product = &new woocommerce_product_variation( $child->ID );
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else :
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$child->product = &new woocommerce_product( $child->ID );
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endif;
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endforeach;
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$this->children = (array) $children_products;
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endif;
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endif;
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return (array) $this->children;
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}
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/**
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* Reduce stock level of the product
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*
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* @param int $by Amount to reduce by
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*/
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function reduce_stock( $by = 1 ) {
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if ($this->managing_stock()) :
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$this->stock = $this->stock - $by;
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$this->total_stock = $this->total_stock - $by;
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update_post_meta($this->id, 'stock', $this->stock);
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// Out of stock attribute
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if (!$this->is_in_stock()) update_post_meta($this->id, 'stock_status', 'outofstock');
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return $this->stock;
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endif;
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}
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/**
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* Increase stock level of the product
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*
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* @param int $by Amount to increase by
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*/
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function increase_stock( $by = 1 ) {
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if ($this->managing_stock()) :
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$this->stock = $this->stock + $by;
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$this->total_stock = $this->total_stock + $by;
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update_post_meta($this->id, 'stock', $this->stock);
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// Out of stock attribute
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if ($this->is_in_stock()) update_post_meta($this->id, 'stock_status', 'instock');
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return $this->stock;
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endif;
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}
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/**
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* Checks the product type
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*
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* @param string $type Type to check against
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*/
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function is_type( $type ) {
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if (is_array($type) && in_array($this->product_type, $type)) return true;
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elseif ($this->product_type==$type) return true;
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return false;
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}
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/** Returns whether or not the product has any child product */
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function has_child () {
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return sizeof($this->children) ? true : false;
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}
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/** Returns whether or not the product post exists */
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function exists() {
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if ($this->exists) return true;
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return false;
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}
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/** Returns whether or not the product is taxable */
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function is_taxable() {
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if ($this->tax_status=='taxable') return true;
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return false;
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}
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/** Returns whether or not the product shipping is taxable */
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function is_shipping_taxable() {
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if ($this->tax_status=='taxable' || $this->tax_status=='shipping') return true;
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return false;
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}
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/** Get the product's post data */
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function get_post_data() {
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if (empty($this->post)) :
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$this->post = get_post( $this->id );
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endif;
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return $this->post;
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}
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/** Get the title of the post */
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function get_title() {
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$this->get_post_data();
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return apply_filters('woocommerce_product_title', get_the_title($this->post->ID), $this);
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}
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/** Get the add to url */
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function add_to_cart_url() {
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global $woocommerce;
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if ($this->is_type('variable')) :
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$url = add_query_arg('add-to-cart', 'variation');
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$url = add_query_arg('product', $this->id, $url);
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elseif ( $this->has_child() ) :
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$url = add_query_arg('add-to-cart', 'group');
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$url = add_query_arg('product', $this->id, $url);
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else :
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$url = add_query_arg('add-to-cart', $this->id);
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endif;
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$url = $woocommerce->nonce_url( 'add_to_cart', $url );
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return $url;
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}
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/** Returns whether or not the product is stock managed */
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function managing_stock() {
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if (get_option('woocommerce_manage_stock')=='yes') :
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if (isset($this->manage_stock) && $this->manage_stock=='yes') return true;
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endif;
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return false;
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}
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/** Returns whether or not the product is in stock */
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function is_in_stock() {
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if ($this->managing_stock()) :
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if (!$this->backorders_allowed()) :
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if ($this->total_stock==0 || $this->total_stock<0) :
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return false;
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else :
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if ($this->stock_status=='instock') return true;
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return false;
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endif;
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else :
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if ($this->stock_status=='instock') return true;
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return false;
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endif;
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endif;
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if ($this->stock_status=='instock') return true;
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return false;
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}
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/** Returns whether or not the product can be backordered */
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function backorders_allowed() {
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if ($this->backorders=='yes' || $this->backorders=='notify') return true;
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return false;
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}
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/** Returns whether or not the product needs to notify the customer on backorder */
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function backorders_require_notification() {
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if ($this->backorders=='notify') return true;
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return false;
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}
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/**
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* Returns number of items available for sale.
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*
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* @return int
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*/
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function get_stock_quantity() {
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return (int)$this->stock;
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}
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/** Returns whether or not the product has enough stock for the order */
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function has_enough_stock( $quantity ) {
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if (!$this->managing_stock()) return true;
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if ($this->backorders_allowed()) return true;
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if ($this->stock >= $quantity) :
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return true;
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endif;
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return false;
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}
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/** Returns the availability of the product */
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function get_availability() {
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$availability = "";
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$class = "";
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if (!$this->managing_stock()) :
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if ($this->is_in_stock()) :
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//$availability = __('In stock', 'woothemes'); /* Lets not bother showing stock if its not managed and is available */
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else :
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$availability = __('Out of stock', 'woothemes');
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$class = 'out-of-stock';
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endif;
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else :
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if ($this->is_in_stock()) :
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if ($this->total_stock > 0) :
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$availability = __('In stock', 'woothemes');
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if ($this->backorders_allowed()) :
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if ($this->backorders_require_notification()) :
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$availability .= ' – '.$this->stock.' ';
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$availability .= __('available', 'woothemes');
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$availability .= __(' (backorders allowed)', 'woothemes');
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endif;
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else :
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$availability .= ' – '.$this->stock.' ';
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$availability .= __('available', 'woothemes');
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endif;
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else :
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if ($this->backorders_allowed()) :
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if ($this->backorders_require_notification()) :
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$availability = __('Available on backorder', 'woothemes');
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else :
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$availability = __('In stock', 'woothemes');
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endif;
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else :
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$availability = __('Out of stock', 'woothemes');
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$class = 'out-of-stock';
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endif;
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endif;
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else :
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if ($this->backorders_allowed()) :
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$availability = __('Available on backorder', 'woothemes');
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else :
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$availability = __('Out of stock', 'woothemes');
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$class = 'out-of-stock';
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endif;
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endif;
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endif;
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return array( 'availability' => $availability, 'class' => $class);
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}
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/** Returns whether or not the product is featured */
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function is_featured() {
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if (get_post_meta($this->id, 'featured', true)=='yes') return true;
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return false;
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}
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/** Returns whether or not the product is visible */
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function is_visible() {
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// Out of stock visibility
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if (get_option('woocommerce_hide_out_of_stock_items')=='yes') :
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if (!$this->is_in_stock()) return false;
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endif;
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// visibility setting
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if ($this->visibility=='hidden') return false;
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if ($this->visibility=='visible') return true;
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if ($this->visibility=='search' && is_search()) return true;
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if ($this->visibility=='search' && !is_search()) return false;
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if ($this->visibility=='catalog' && is_search()) return false;
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if ($this->visibility=='catalog' && !is_search()) return true;
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}
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/** Returns whether or not the product is on sale */
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function is_on_sale() {
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if ( $this->has_child() ) :
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$onsale = false;
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foreach ($this->children as $child) :
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if ( $child->product->sale_price==$child->product->price ) :
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return true;
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endif;
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endforeach;
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else :
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if ( $this->sale_price && $this->sale_price==$this->price ) :
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return true;
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endif;
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endif;
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return false;
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}
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/** Returns the product's weight */
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function get_weight() {
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if ($this->weight) return $this->weight;
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}
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/** Returns the product's price */
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function get_price() {
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return $this->price;
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}
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/** Returns the price (excluding tax) */
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function get_price_excluding_tax() {
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$price = $this->price;
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if (get_option('woocommerce_prices_include_tax')=='yes') :
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if ( $rate = $this->get_tax_base_rate() ) :
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if ( $rate>0 ) :
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$_tax = &new woocommerce_tax();
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$tax_amount = $_tax->calc_tax( $price, $rate, true );
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$price = $price - $tax_amount;
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// Round
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$price = round( $price * 100 ) / 100;
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// Format
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$price = number_format($price, 2, '.', '');
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endif;
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endif;
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endif;
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return $price;
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}
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/** Returns the base tax rate */
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function get_tax_base_rate() {
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if ( $this->is_taxable() && get_option('woocommerce_calc_taxes')=='yes') :
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$_tax = &new woocommerce_tax();
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$rate = $_tax->get_shop_base_rate( $this->tax_class );
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return $rate;
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endif;
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}
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/** Returns the price in html format */
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function get_price_html() {
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$price = '';
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if ( $this->has_child() ) :
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$min_price = '';
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$max_price = '';
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foreach ($this->children as $child) :
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$child_price = $child->product->get_price();
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if ($child_price<$min_price || $min_price == '') $min_price = $child_price;
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if ($child_price>$max_price || $max_price == '') $max_price = $child_price;
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endforeach;
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$price .= '<span class="from">' . __('From: ', 'woothemes') . '</span>' . woocommerce_price($min_price);
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$price = apply_filters('grouped_price_html', $price, $this);
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elseif ($this->is_type('variable')) :
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$price .= '<span class="from">' . __('From: ', 'woothemes') . '</span>' . woocommerce_price($this->get_price());
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$price = apply_filters('variable_price_html', $price, $this);
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else :
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if ($this->price) :
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if ($this->is_on_sale() && isset($this->regular_price)) :
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$price .= '<del>'.woocommerce_price( $this->regular_price ).'</del> <ins>'.woocommerce_price($this->get_price()).'</ins>';
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$price = apply_filters('sale_price_html', $price, $this);
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else :
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$price .= woocommerce_price($this->get_price());
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$price = apply_filters('price_html', $price, $this);
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endif;
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elseif ($this->price === '' ) :
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return false;
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elseif ($this->price === '0' ) :
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$price = __('Free!', 'woothemes');
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$price = apply_filters('free_price_html', $price, $this);
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endif;
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endif;
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return $price;
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}
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/** Returns the product rating in html format */
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function get_rating_html( $location = '' ) {
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global $wpdb;
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if ($location) $location = '_'.$location;
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$star_size = apply_filters('woocommerce_star_rating_size'.$location, 16);
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$count = $wpdb->get_var("
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SELECT COUNT(meta_value) FROM $wpdb->commentmeta
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LEFT JOIN $wpdb->comments ON $wpdb->commentmeta.comment_id = $wpdb->comments.comment_ID
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WHERE meta_key = 'rating'
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AND comment_post_ID = $this->id
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AND comment_approved = '1'
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AND meta_value > 0
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");
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$ratings = $wpdb->get_var("
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SELECT SUM(meta_value) FROM $wpdb->commentmeta
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LEFT JOIN $wpdb->comments ON $wpdb->commentmeta.comment_id = $wpdb->comments.comment_ID
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WHERE meta_key = 'rating'
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AND comment_post_ID = $this->id
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AND comment_approved = '1'
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");
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if ( $count>0 ) :
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$rating = number_format($ratings / $count, 2);
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return '<div class="star-rating" title="'.sprintf(__('Rated %s out of 5', 'woothemes'), $rating).'"><span style="width:'.($rating*$star_size).'px"><span class="rating">'.$rating.'</span> '.__('out of 5', 'woothemes').'</span></div>';
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else :
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return '';
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endif;
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}
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/** Returns the upsell product ids */
|
|
function get_upsells() {
|
|
return (array) maybe_unserialize( $this->upsell_ids );
|
|
}
|
|
|
|
/** Returns the crosssell product ids */
|
|
function get_cross_sells() {
|
|
return (array) maybe_unserialize( $this->crosssell_ids );
|
|
}
|
|
|
|
/** Returns the product categories */
|
|
function get_categories( $sep = ', ', $before = '', $after = '' ) {
|
|
return get_the_term_list($this->id, 'product_cat', $before, $sep, $after);
|
|
}
|
|
|
|
/** Returns the product tags */
|
|
function get_tags( $sep = ', ', $before = '', $after = '' ) {
|
|
return get_the_term_list($this->id, 'product_tag', $before, $sep, $after);
|
|
}
|
|
|
|
/** Get and return related products */
|
|
function get_related( $limit = 5 ) {
|
|
global $wpdb, $all_post_ids;
|
|
// Related products are found from category and tag
|
|
$tags_array = array(0);
|
|
$cats_array = array(0);
|
|
$tags = '';
|
|
$cats = '';
|
|
|
|
// Get tags
|
|
$terms = wp_get_post_terms($this->id, 'product_tag');
|
|
foreach ($terms as $term) {
|
|
$tags_array[] = $term->term_id;
|
|
}
|
|
$tags = implode(',', $tags_array);
|
|
|
|
$terms = wp_get_post_terms($this->id, 'product_cat');
|
|
foreach ($terms as $term) {
|
|
$cats_array[] = $term->term_id;
|
|
}
|
|
$cats = implode(',', $cats_array);
|
|
|
|
$q = "
|
|
SELECT p.ID
|
|
FROM $wpdb->term_taxonomy AS tt, $wpdb->term_relationships AS tr, $wpdb->posts AS p, $wpdb->postmeta AS pm
|
|
WHERE
|
|
p.ID != $this->id
|
|
AND p.post_status = 'publish'
|
|
AND p.post_date_gmt < NOW()
|
|
AND p.post_type = 'product'
|
|
AND pm.meta_key = 'visibility'
|
|
AND pm.meta_value IN ('visible', 'catalog')
|
|
AND pm.post_id = p.ID
|
|
AND
|
|
(
|
|
(
|
|
tt.taxonomy ='product_cat'
|
|
AND tt.term_taxonomy_id = tr.term_taxonomy_id
|
|
AND tr.object_id = p.ID
|
|
AND tt.term_id IN ($cats)
|
|
)
|
|
OR
|
|
(
|
|
tt.taxonomy ='product_tag'
|
|
AND tt.term_taxonomy_id = tr.term_taxonomy_id
|
|
AND tr.object_id = p.ID
|
|
AND tt.term_id IN ($tags)
|
|
)
|
|
)
|
|
GROUP BY tr.object_id
|
|
ORDER BY RAND()
|
|
LIMIT $limit;";
|
|
|
|
$related = $wpdb->get_col($q);
|
|
|
|
return $related;
|
|
}
|
|
|
|
/** Returns product attributes */
|
|
function get_attributes() {
|
|
return $this->attributes;
|
|
}
|
|
|
|
/** Returns whether or not the product has any attributes set */
|
|
function has_attributes() {
|
|
if (isset($this->attributes) && sizeof($this->attributes)>0) :
|
|
foreach ($this->attributes as $attribute) :
|
|
if ($attribute['is_visible']) return true;
|
|
endforeach;
|
|
endif;
|
|
return false;
|
|
}
|
|
|
|
/** Lists a table of attributes for the product page */
|
|
function list_attributes() {
|
|
global $woocommerce;
|
|
|
|
$attributes = $this->get_attributes();
|
|
if ($attributes && sizeof($attributes)>0) :
|
|
|
|
echo '<table cellspacing="0" class="shop_attributes">';
|
|
$alt = 1;
|
|
foreach ($attributes as $attribute) :
|
|
if (!$attribute['is_visible']) continue;
|
|
|
|
$alt = $alt*-1;
|
|
echo '<tr class="';
|
|
if ($alt==1) echo 'alt';
|
|
echo '"><th>'.$woocommerce->attribute_label( $attribute['name'] ).'</th><td>';
|
|
|
|
if ($attribute['is_taxonomy']) :
|
|
$post_terms = wp_get_post_terms( $this->id, $attribute['name'] );
|
|
$values = array();
|
|
foreach ($post_terms as $term) :
|
|
$values[] = $term->name;
|
|
endforeach;
|
|
echo implode(', ', $values);
|
|
else :
|
|
echo wpautop(wptexturize($attribute['value']));
|
|
endif;
|
|
|
|
echo '</td></tr>';
|
|
endforeach;
|
|
echo '</table>';
|
|
|
|
endif;
|
|
}
|
|
|
|
/**
|
|
* Return an array of attributes used for variations, as well as their possible values
|
|
*
|
|
* @return two dimensional array of attributes and their available values
|
|
*/
|
|
function get_available_attribute_variations() {
|
|
|
|
if (!$this->is_type('variable') || !$this->has_child()) return array();
|
|
|
|
$attributes = $this->get_attributes();
|
|
|
|
if(!is_array($attributes)) return array();
|
|
|
|
$available_attributes = array();
|
|
$children = $this->get_children();
|
|
|
|
foreach ($attributes as $attribute) {
|
|
if (!$attribute['is_variation']) continue;
|
|
|
|
$values = array();
|
|
$attribute_field_name = 'attribute_'.sanitize_title($attribute['name']);
|
|
|
|
foreach ($children as $child) {
|
|
/* @var $variation woocommerce_product_variation */
|
|
$variation = $child->product;
|
|
|
|
if ($variation instanceof woocommerce_product_variation) {
|
|
|
|
if ($variation->variation->post_status != 'publish') continue; // Disabled
|
|
|
|
$vattributes = $variation->get_variation_attributes();
|
|
|
|
if (is_array($vattributes)) {
|
|
foreach ($vattributes as $name => $value) {
|
|
if ($name == $attribute_field_name) {
|
|
$values[] = $value;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// empty value indicates that all options for given attribute are available
|
|
if(in_array('', $values)) {
|
|
|
|
// Get all options
|
|
if ($attribute['is_taxonomy']) :
|
|
$options = array();
|
|
$post_terms = wp_get_post_terms( $this->id, $attribute['name'] );
|
|
foreach ($post_terms as $term) :
|
|
$options[] = $term->slug;
|
|
endforeach;
|
|
else :
|
|
$options = explode('|', $attribute['value']);
|
|
endif;
|
|
|
|
$options = array_map('trim', $options);
|
|
|
|
$values = $options;
|
|
}
|
|
|
|
$available_attributes[$attribute['name']] = array_unique($values);
|
|
}
|
|
|
|
return $available_attributes;
|
|
}
|
|
|
|
/**
|
|
* Checks sale data to see if the product is due to go on sale/sale has expired, and updates the main price
|
|
*/
|
|
function check_sale_price() {
|
|
|
|
if ($this->sale_price_dates_from && $this->sale_price_dates_from < strtotime('NOW')) :
|
|
|
|
if ($this->sale_price && $this->price!==$this->sale_price) :
|
|
|
|
$this->price = $this->sale_price;
|
|
update_post_meta($this->id, 'price', $this->price);
|
|
|
|
// Grouped products are affected by children
|
|
$this->grouped_product_price_sync();
|
|
|
|
endif;
|
|
|
|
endif;
|
|
|
|
if ($this->sale_price_dates_to && $this->sale_price_dates_to < strtotime('NOW')) :
|
|
|
|
if ($this->regular_price && $this->price!==$this->regular_price) :
|
|
|
|
$this->price = $this->regular_price;
|
|
update_post_meta($this->id, 'price', $this->price);
|
|
|
|
// Sale has expired - clear the schedule boxes
|
|
update_post_meta($this->id, 'sale_price', '');
|
|
update_post_meta($this->id, 'sale_price_dates_from', '');
|
|
update_post_meta($this->id, 'sale_price_dates_to', '');
|
|
|
|
// Grouped products are affected by children
|
|
$this->grouped_product_price_sync();
|
|
|
|
endif;
|
|
|
|
endif;
|
|
}
|
|
|
|
/**
|
|
* Sync grouped products with the childs lowest price (so they can be sorted by price accurately)
|
|
**/
|
|
function grouped_product_price_sync() {
|
|
|
|
global $wpdb;
|
|
$post_parent = $wpdb->get_var("SELECT post_parent FROM $wpdb->posts WHERE ID = $this->id;");
|
|
|
|
if (!$post_parent) return;
|
|
|
|
$children_by_price = get_posts( array(
|
|
'post_parent' => $post_parent,
|
|
'orderby' => 'meta_value_num',
|
|
'order' => 'asc',
|
|
'meta_key' => 'price',
|
|
'posts_per_page' => 1,
|
|
'post_type' => 'product'
|
|
));
|
|
if ($children_by_price) :
|
|
$children_by_price = $children_by_price[0];
|
|
$child = $children_by_price->ID;
|
|
update_post_meta( $post_parent, 'price', get_post_meta($child, 'price', true) );
|
|
endif;
|
|
}
|
|
|
|
} |