560 lines
15 KiB
PHP
560 lines
15 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 $data;
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var $sku;
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var $attributes;
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var $post;
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var $stock;
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var $children;
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var $visibility;
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var $product_type;
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var $price;
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var $sale_price_dates_to;
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var $sale_price_dates_from;
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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 = $id;
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$product_custom_fields = get_post_custom( $this->id );
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if (isset($product_custom_fields['SKU'][0]) && !empty($product_custom_fields['SKU'][0])) $this->sku = $product_custom_fields['SKU'][0]; else $this->sku = $this->id;
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if (isset($product_custom_fields['product_data'][0])) $this->data = maybe_unserialize( $product_custom_fields['product_data'][0] ); else $this->data = '';
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if (isset($product_custom_fields['product_attributes'][0])) $this->attributes = maybe_unserialize( $product_custom_fields['product_attributes'][0] ); else $this->attributes = array();
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if (isset($product_custom_fields['price'][0])) $this->price = $product_custom_fields['price'][0]; else $this->price = 0;
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if (isset($product_custom_fields['visibility'][0])) $this->visibility = $product_custom_fields['visibility'][0]; else $this->visibility = 'hidden';
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if (isset($product_custom_fields['stock'][0])) $this->stock = $product_custom_fields['stock'][0]; else $this->stock = 0;
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// Again just in case, to fix WP bug
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$this->data = maybe_unserialize( $this->data );
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$this->attributes = maybe_unserialize( $this->attributes );
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$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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$this->get_children();
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if ($this->data) :
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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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/** 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 $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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$reduce_to = $this->stock - $by;
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update_post_meta($this->id, 'stock', $reduce_to);
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return $reduce_to;
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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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$increase_to = $this->stock + $by;
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update_post_meta($this->id, 'stock', $increase_to);
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return $increase_to;
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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 ($this->exists) return true;
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return false;
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}
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/** Returns whether or not the product is taxable */
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function is_taxable() {
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if (isset($this->data['tax_status']) && $this->data['tax_status']=='taxable') return true;
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return false;
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}
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/** Returns whether or not the product shipping is taxable */
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function is_shipping_taxable() {
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if (isset($this->data['tax_status']) && ($this->data['tax_status']=='taxable' || $this->data['tax_status']=='shipping')) return true;
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return false;
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}
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/** Get the product's post data */
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function get_post_data() {
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if (empty($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', $this->post->post_title, $this);
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}
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/** Get the add to url */
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function add_to_cart_url() {
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if ($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->data['manage_stock']) && $this->data['manage_stock']=='yes') return true;
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endif;
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return false;
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}
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/** Returns whether or not the product is in stock */
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function is_in_stock() {
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if ($this->managing_stock()) :
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if (!$this->backorders_allowed()) :
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if ($this->stock==0 || $this->stock<0) :
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return false;
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else :
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if ($this->data['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 ($this->data['stock_status']=='instock') return true;
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return false;
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endif;
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endif;
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return true;
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}
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/** Returns whether or not the product can be backordered */
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function backorders_allowed() {
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if ($this->data['backorders']=='yes' || $this->data['backorders']=='notify') return true;
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return false;
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}
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/** Returns whether or not the product needs to notify the customer on backorder */
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function backorders_require_notification() {
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if ($this->data['backorders']=='notify') return true;
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return false;
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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->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->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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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 $child) :
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if ( isset($child->product->data['sale_price']) && $child->product->data['sale_price']==$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 ( isset($this->data['sale_price']) && $this->data['sale_price']==$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->data['weight']) return $this->data['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 $this->price;
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/*if (!$price) $price = $this->price;
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if (get_option('woocommerce_prices_include_tax')=='yes' && $this->is_taxable() && woocommerce_customer::is_customer_outside_base()) :
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$_tax = &new woocommerce_tax();
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$price = $price * 100;
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$base_rate = $_tax->get_shop_base_rate( $this->data['tax_class'] );
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$rate = $_tax->get_rate( $this->data['tax_class'] );
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$base_tax_amount = round($_tax->calc_tax( $price, $base_rate, true ));
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$tax_amount = round($_tax->calc_tax( ($price-$base_tax_amount), $rate, false ));
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return ($price - $base_tax_amount + $tax_amount) / 100;
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endif;
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return $price;*/
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}
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/** Returns the price (excluding tax) */
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function get_price_excluding_tax() {
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$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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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->data['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($min_price);
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elseif ($this->is_type('variable')) :
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$price .= '<span class="from">' . __('From: ', 'woothemes') . '</span>' . woocommerce_price($this->get_price());
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else :
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if ($this->price) :
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if ($this->is_on_sale() && isset($this->data['regular_price'])) :
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$price .= '<del>'.woocommerce_price( $this->data['regular_price'] ).'</del> <ins>'.woocommerce_price($this->get_price()).'</ins>';
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else :
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$price .= woocommerce_price($this->get_price());
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endif;
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endif;
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endif;
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return $price;
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}
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/** Returns the upsell product ids */
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function get_upsells() {
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if (isset($this->data['upsell_ids'])) return (array) $this->data['upsell_ids']; else return array();
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}
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/** Returns the crosssell product ids */
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function get_cross_sells() {
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if (isset($this->data['crosssell_ids'])) return (array) $this->data['crosssell_ids']; else return array();
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}
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/** Returns the product categories */
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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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function get_tags( $sep = ', ', $before = '', $after = '' ) {
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return get_the_term_list($this->id, 'product_tag', $before, $sep, $after);
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}
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/** Get and return related products */
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function get_related( $limit = 5 ) {
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global $wpdb, $all_post_ids;
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// Related products are found from category and tag
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$tags_array = array(0);
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$cats_array = array(0);
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$tags = '';
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$cats = '';
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// Get tags
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$terms = wp_get_post_terms($this->id, 'product_tag');
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foreach ($terms as $term) {
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$tags_array[] = $term->term_id;
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}
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$tags = implode(',', $tags_array);
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$terms = wp_get_post_terms($this->id, 'product_cat');
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foreach ($terms as $term) {
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$cats_array[] = $term->term_id;
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}
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$cats = implode(',', $cats_array);
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$q = "
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SELECT p.ID
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FROM $wpdb->term_taxonomy AS tt, $wpdb->term_relationships AS tr, $wpdb->posts AS p, $wpdb->postmeta AS pm
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WHERE
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p.ID != $this->id
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AND p.post_status = 'publish'
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AND p.post_date_gmt < NOW()
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AND p.post_type = 'product'
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AND pm.meta_key = 'visibility'
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AND pm.meta_value IN ('visible', 'catalog')
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AND pm.post_id = p.ID
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AND
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(
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(
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tt.taxonomy ='product_cat'
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AND tt.term_taxonomy_id = tr.term_taxonomy_id
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AND tr.object_id = p.ID
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AND tt.term_id IN ($cats)
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)
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OR
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(
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tt.taxonomy ='product_tag'
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AND tt.term_taxonomy_id = tr.term_taxonomy_id
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AND tr.object_id = p.ID
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AND tt.term_id IN ($tags)
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)
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)
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GROUP BY tr.object_id
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ORDER BY RAND()
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LIMIT $limit;";
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$related = $wpdb->get_col($q);
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return $related;
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}
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/** Returns product attributes */
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function get_attributes() {
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return $this->attributes;
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}
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/** Returns whether or not the product has any attributes set */
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function has_attributes() {
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if (isset($this->attributes) && sizeof($this->attributes)>0) :
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foreach ($this->attributes as $attribute) :
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if ($attribute['visible'] == 'yes') return true;
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endforeach;
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endif;
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return false;
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}
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/** Lists a table of attributes for the product page */
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function list_attributes() {
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$attributes = $this->get_attributes();
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if ($attributes && sizeof($attributes)>0) :
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echo '<table cellspacing="0" class="shop_attributes">';
|
|
$alt = 1;
|
|
foreach ($attributes as $attribute) :
|
|
if ($attribute['visible'] == 'no') continue;
|
|
$alt = $alt*-1;
|
|
echo '<tr class="';
|
|
if ($alt==1) echo 'alt';
|
|
echo '"><th>'.wptexturize($attribute['name']).'</th><td>';
|
|
|
|
if (is_array($attribute['value'])) $attribute['value'] = implode(', ', $attribute['value']);
|
|
|
|
echo wpautop(wptexturize($attribute['value']));
|
|
|
|
echo '</td></tr>';
|
|
endforeach;
|
|
echo '</table>';
|
|
|
|
endif;
|
|
}
|
|
|
|
} |