tax = new WC_Tax(); $this->prices_include_tax = ( get_option('woocommerce_prices_include_tax') == 'yes' ) ? true : false; $this->display_totals_ex_tax = ( get_option('woocommerce_display_totals_excluding_tax') == 'yes' ) ? true : false; $this->display_cart_ex_tax = ( get_option('woocommerce_display_cart_prices_excluding_tax') == 'yes' ) ? true : false; $this->dp = get_option( 'woocommerce_price_num_decimals' ); add_action( 'init', array( &$this, 'init' ), 5 ); // Get cart on init } /** * Loads the cart data from the PHP session during WordPress init and hooks in other methods. * * @access public * @return void */ function init() { $this->get_cart_from_session(); add_action('woocommerce_check_cart_items', array( &$this, 'check_cart_items' ), 1 ); add_action('woocommerce_check_cart_items', array( &$this, 'check_cart_coupons' ), 1 ); add_action('woocommerce_after_checkout_validation', array( &$this, 'check_customer_coupons' ), 1 ); } /*-----------------------------------------------------------------------------------*/ /* Cart Session Handling */ /*-----------------------------------------------------------------------------------*/ /** * Get the cart data from the PHP session and store it in class variables. * * @access public * @return void */ function get_cart_from_session() { global $woocommerce; // Load the coupons if ( get_option('woocommerce_enable_coupons') == 'yes' ) $this->applied_coupons = ( empty( $_SESSION['coupons'] ) ) ? array() : array_unique( array_filter( (array) $_SESSION['coupons'] ) ); // Load the cart if ( isset( $_SESSION['cart'] ) && is_array( $_SESSION['cart'] ) ) { $cart = $_SESSION['cart']; foreach ( $cart as $key => $values ) { if ( $values['variation_id'] > 0 ) $_product = new WC_Product_Variation( $values['variation_id'] ); else $_product = new WC_Product( $values['product_id'] ); if ( $_product->exists() && $values['quantity'] > 0 ) { // Put session data into array. Run through filter so other plugins can load their own session data $this->cart_contents[$key] = apply_filters( 'woocommerce_get_cart_item_from_session', array( 'product_id' => $values['product_id'], 'variation_id' => $values['variation_id'], 'variation' => $values['variation'], 'quantity' => $values['quantity'], 'data' => $_product ), $values, $key ); } } if ( ! is_array( $this->cart_contents ) ) $this->cart_contents = array(); } else { $this->cart_contents = array(); } // Cookie if ( sizeof( $this->cart_contents ) > 0 ) $woocommerce->cart_has_contents_cookie( true ); else $woocommerce->cart_has_contents_cookie( false ); // Load totals $this->cart_contents_total = isset( $_SESSION['cart_contents_total'] ) ? $_SESSION['cart_contents_total'] : 0; $this->cart_contents_weight = isset( $_SESSION['cart_contents_weight'] ) ? $_SESSION['cart_contents_weight'] : 0; $this->cart_contents_count = isset( $_SESSION['cart_contents_count'] ) ? $_SESSION['cart_contents_count'] : 0; $this->cart_contents_tax = isset( $_SESSION['cart_contents_tax'] ) ? $_SESSION['cart_contents_tax'] : 0; $this->total = isset( $_SESSION['total'] ) ? $_SESSION['total'] : 0; $this->subtotal = isset( $_SESSION['subtotal'] ) ? $_SESSION['subtotal'] : 0; $this->subtotal_ex_tax = isset( $_SESSION['subtotal_ex_tax'] ) ? $_SESSION['subtotal_ex_tax'] : 0; $this->tax_total = isset( $_SESSION['tax_total'] ) ? $_SESSION['tax_total'] : 0; $this->taxes = isset( $_SESSION['taxes'] ) ? $_SESSION['taxes'] : array(); $this->shipping_taxes = isset( $_SESSION['shipping_taxes'] ) ? $_SESSION['shipping_taxes'] : array(); $this->discount_cart = isset( $_SESSION['discount_cart'] ) ? $_SESSION['discount_cart'] : 0; $this->discount_total = isset( $_SESSION['discount_total'] ) ? $_SESSION['discount_total'] : 0; $this->shipping_total = isset( $_SESSION['shipping_total'] ) ? $_SESSION['shipping_total'] : 0; $this->shipping_tax_total = isset( $_SESSION['shipping_tax_total'] ) ? $_SESSION['shipping_tax_total'] : 0; $this->shipping_label = isset( $_SESSION['shipping_label'] ) ? $_SESSION['shipping_label'] : ''; // Queue re-calc if subtotal is not set if ( ! $this->subtotal && sizeof( $this->cart_contents ) > 0 ) $this->set_session(); } /** * Sets the php session data for the cart and coupons and re-calculates totals. * * @access public * @return void */ function set_session() { // Re-calc totals $this->calculate_totals(); // Set cart and coupon session data $cart_session = array(); if ( $this->cart_contents ) { foreach ( $this->cart_contents as $key => $values ) { $cart_session[$key] = $values; // Unset product object unset( $cart_session[$key]['data'] ); } } $_SESSION['cart'] = $cart_session; $_SESSION['coupons'] = $this->applied_coupons; // Store totals to avoid re-calc on page load $_SESSION['cart_contents_total'] = $this->cart_contents_total; $_SESSION['cart_contents_weight'] = $this->cart_contents_weight; $_SESSION['cart_contents_count'] = $this->cart_contents_count; $_SESSION['cart_contents_tax'] = $this->cart_contents_tax; $_SESSION['total'] = $this->total; $_SESSION['subtotal'] = $this->subtotal; $_SESSION['subtotal_ex_tax'] = $this->subtotal_ex_tax; $_SESSION['tax_total'] = $this->tax_total; $_SESSION['shipping_taxes'] = $this->shipping_taxes; $_SESSION['taxes'] = $this->taxes; $_SESSION['discount_cart'] = $this->discount_cart; $_SESSION['discount_total'] = $this->discount_total; $_SESSION['shipping_total'] = $this->shipping_total; $_SESSION['shipping_tax_total'] = $this->shipping_tax_total; $_SESSION['shipping_label'] = $this->shipping_label; if (get_current_user_id()) $this->persistent_cart_update(); do_action('woocommerce_cart_updated'); } /** * Empties the cart and optionally the persistent cart too. * * @access public * @param bool $clear_persistent_cart (default: true) * @return void */ function empty_cart( $clear_persistent_cart = true ) { $this->cart_contents = array(); $this->reset(); unset( $_SESSION['coupons'], $_SESSION['cart'] ); if ( $clear_persistent_cart && get_current_user_id() ) $this->persistent_cart_destroy(); do_action('woocommerce_cart_emptied'); } /*-----------------------------------------------------------------------------------*/ /* Persistent cart handling */ /*-----------------------------------------------------------------------------------*/ /** * Save the persistent cart when the cart is updated. * * @access public * @return void */ function persistent_cart_update() { update_user_meta( get_current_user_id(), '_woocommerce_persistent_cart', array( 'cart' => $_SESSION['cart'], )); } /** * Delete the persistent cart permanently. * * @access public * @return void */ function persistent_cart_destroy() { delete_user_meta( get_current_user_id(), '_woocommerce_persistent_cart' ); } /*-----------------------------------------------------------------------------------*/ /* Cart Data Functions */ /*-----------------------------------------------------------------------------------*/ /** * Get number of items in the cart. * * @access public * @return int */ function get_cart_contents_count() { return apply_filters( 'woocommerce_cart_contents_count', $this->cart_contents_count ); } /** * Check all cart items for errors. * * @access public * @return void */ function check_cart_items() { global $woocommerce; // Check item stock $result = $this->check_cart_item_stock(); if (is_wp_error($result)) $woocommerce->add_error( $result->get_error_message() ); } /** * Check cart coupons for errors. * * @access public * @return void */ function check_cart_coupons() { global $woocommerce; if ( ! empty( $this->applied_coupons ) ) { foreach ( $this->applied_coupons as $key => $code ) { $coupon = new WC_Coupon( $code ); if ( is_wp_error( $coupon->is_valid() ) ) { $woocommerce->add_error( sprintf( __('Sorry, it seems the coupon "%s" is invalid - it has now been removed from your order.', 'woocommerce'), $code ) ); // Remove the coupon unset( $this->applied_coupons[$key] ); $_SESSION['coupons'] = $this->applied_coupons; $_SESSION['refresh_totals'] = true; } } } } /** * Get cart items quantities - merged so we can do accurate stock checks on items across multiple lines. * * @access public * @return array */ function get_cart_item_quantities() { $quantities = array(); foreach ( $this->get_cart() as $cart_item_key => $values ) { if ( $values['data']->managing_stock() ) { if ( $values['variation_id'] > 0 ) { if ( $values['data']->variation_has_stock ) { // Variation has stock levels defined so its handled individually $quantities[ $values['variation_id'] ] = isset( $quantities[ $values['variation_id'] ] ) ? $quantities[ $values['variation_id'] ] + $values['quantity'] : $values['quantity']; } else { // Variation has no stock levels defined so use parents $quantities[ $values['product_id'] ] = isset( $quantities[ $values['product_id'] ] ) ? $quantities[ $values['product_id'] ] + $values['quantity'] : $values['quantity']; } } else { $quantities[ $values['product_id'] ] = isset( $quantities[ $values['product_id'] ] ) ? $quantities[ $values['product_id'] ] + $values['quantity'] : $values['quantity']; } } } return $quantities; } /** * Check for user coupons (now that we have billing email). If a coupon is invalid, add an error. * * @access public * @param array $posted */ function check_customer_coupons( $posted ) { global $woocommerce; if ( ! empty( $this->applied_coupons ) ) { foreach ( $this->applied_coupons as $key => $code ) { $coupon = new WC_Coupon( $code ); if ( is_array( $coupon->customer_email ) && sizeof( $coupon->customer_email ) > 0 ) { if ( is_user_logged_in() ) { $current_user = wp_get_current_user(); $check_emails[] = $current_user->user_email; } $check_emails[] = $posted['billing_email']; $check_emails = array_map( 'strtolower', $check_emails ); if ( sizeof( array_intersect( $check_emails, $coupon->customer_email ) ) == 0 ) { $woocommerce->add_error( sprintf( __('Sorry, it seems the coupon "%s" is not yours - it has now been removed from your order.', 'woocommerce'), $code ) ); // Remove the coupon unset( $this->applied_coupons[$key] ); $_SESSION['coupons'] = $this->applied_coupons; $_SESSION['refresh_totals'] = true; } } } } } /** * Looks through the cart to check each item is in stock. If not, add an error. * * @access public * @return bool */ function check_cart_item_stock() { $error = new WP_Error(); $product_qty_in_cart = $this->get_cart_item_quantities(); // First stock check loop foreach ( $this->get_cart() as $cart_item_key => $values ) { $_product = $values['data']; /** * Check stock based on inventory */ if ( $_product->managing_stock() ) { /** * Check the stock for this item individually */ if ( ! $_product->is_in_stock() || ! $_product->has_enough_stock( $values['quantity'] ) ) { $error->add( 'out-of-stock', sprintf(__('Sorry, we do not have enough "%s" in stock to fulfill your order (%s in stock). Please edit your cart and try again. We apologise for any inconvenience caused.', 'woocommerce'), $_product->get_title(), $_product->stock ) ); return $error; } /** * Next check entire cart quantities */ if ( $values['variation_id'] && $_product->variation_has_stock && isset( $product_qty_in_cart[$values['variation_id']] ) ) { if ( ! $_product->has_enough_stock( $product_qty_in_cart[$values['variation_id']] ) ) { $error->add( 'out-of-stock', sprintf(__('Sorry, we do not have enough "%s" in stock to fulfill your order (%s in stock). Please edit your cart and try again. We apologise for any inconvenience caused.', 'woocommerce'), $_product->get_title(), $_product->stock ) ); return $error; } } elseif ( isset( $product_qty_in_cart[$values['product_id']] ) ) { if ( ! $_product->has_enough_stock( $product_qty_in_cart[$values['product_id']] ) ) { $error->add( 'out-of-stock', sprintf(__('Sorry, we do not have enough "%s" in stock to fulfill your order (%s in stock). Please edit your cart and try again. We apologise for any inconvenience caused.', 'woocommerce'), $_product->get_title(), $_product->stock ) ); return $error; } } /** * Check stock based on stock-status */ } else { if ( ! $_product->is_in_stock() ) { $error->add( 'out-of-stock', sprintf(__('Sorry, we do not have enough "%s" in stock to fulfill your order. Please edit your cart and try again. We apologise for any inconvenience caused.', 'woocommerce'), $_product->get_title() ) ); return $error; } } } return true; } /** * Gets and formats a list of cart item data + variations for display on the frontend. * * @access public * @param array $cart_item * @param bool $flat (default: false) * @return string */ function get_item_data( $cart_item, $flat = false ) { global $woocommerce; $has_data = false; if ( ! $flat ) $return = '
'; // Variation data if ( $cart_item['data'] instanceof WC_Product_Variation && is_array( $cart_item['variation'] ) ) { $variation_list = array(); foreach ( $cart_item['variation'] as $name => $value ) { if ( ! $value ) continue; // If this is a term slug, get the term's nice name if ( taxonomy_exists( esc_attr( str_replace( 'attribute_', '', $name ) ) ) ) { $term = get_term_by( 'slug', $value, esc_attr( str_replace( 'attribute_', '', $name ) ) ); if ( ! is_wp_error( $term ) && $term->name ) $value = $term->name; } else { $value = ucfirst( $value ); } if ( $flat ) $variation_list[] = $woocommerce->attribute_label( str_replace( 'attribute_', '', $name ) ) . ': ' . $value; else $variation_list[] = '
' . $woocommerce->attribute_label( str_replace( 'attribute_', '', $name ) ) . ':
' . $value . '
'; } if ($flat) $return .= implode( ", \n", $variation_list ); else $return .= implode( '', $variation_list ); $has_data = true; } // Other data - returned as array with name/value values $other_data = apply_filters( 'woocommerce_get_item_data', array(), $cart_item ); if ( $other_data && is_array( $other_data ) && sizeof( $other_data ) > 0 ) { $data_list = array(); foreach ($other_data as $data ) { // Set hidden to true to not display meta on cart. if ( empty( $data['hidden'] ) ) { $display_value = !empty($data['display']) ? $data['display'] : $data['value']; if ($flat) $data_list[] = $data['name'].': '.$display_value; else $data_list[] = '
'.$data['name'].':
'.$display_value.'
'; } } if ($flat) $return .= implode(', ', $data_list); else $return .= implode('', $data_list); $has_data = true; } if ( ! $flat ) $return .= '
'; if ( $has_data ) return $return; } /** * Gets cross sells based on the items in the cart. * * @return array cross_sells (item ids) */ function get_cross_sells() { $cross_sells = array(); $in_cart = array(); if ( sizeof( $this->cart_contents) > 0 ) { foreach ( $this->cart_contents as $cart_item_key => $values ) { if ( $values['quantity'] > 0 ) { $cross_sells = array_merge( $values['data']->get_cross_sells(), $cross_sells ); $in_cart[] = $values['product_id']; } } } $cross_sells = array_diff( $cross_sells, $in_cart ); return $cross_sells; } /** * Gets the url to the cart page. * * @return string url to page */ function get_cart_url() { $cart_page_id = woocommerce_get_page_id('cart'); if ( $cart_page_id ) return apply_filters( 'woocommerce_get_cart_url', get_permalink( $cart_page_id ) ); } /** * Gets the url to the checkout page. * * @return string url to page */ function get_checkout_url() { $checkout_page_id = woocommerce_get_page_id('checkout'); if ( $checkout_page_id ) { if ( is_ssl() ) return str_replace( 'http:', 'https:', get_permalink($checkout_page_id) ); else return apply_filters( 'woocommerce_get_checkout_url', get_permalink($checkout_page_id) ); } } /** * Gets the url to remove an item from the cart. * * @return string url to page */ function get_remove_url( $cart_item_key ) { global $woocommerce; $cart_page_id = woocommerce_get_page_id('cart'); if ($cart_page_id) return apply_filters( 'woocommerce_get_remove_url', $woocommerce->nonce_url( 'cart', add_query_arg( 'remove_item', $cart_item_key, get_permalink($cart_page_id) ) ) ); } /** * Returns the contents of the cart in an array. * * @return array contents of the cart */ function get_cart() { return array_filter( (array) $this->cart_contents ); } /** * Returns the cart and shipping taxes, merged. * * @return array merged taxes */ function get_taxes() { $merged_taxes = array(); // Merge foreach ( array_keys( $this->taxes + $this->shipping_taxes ) as $key ) { $merged_taxes[$key] = ( isset( $this->shipping_taxes[$key] ) ? $this->shipping_taxes[$key] : 0 ) + ( isset( $this->taxes[$key] ) ? $this->taxes[$key] : 0 ); } return $merged_taxes; } /** * Returns the cart and shipping taxes, merged & formatted. * * @return array merged taxes */ function get_formatted_taxes() { $taxes = $this->get_taxes(); foreach ( $taxes as $key => $tax ) if ( $tax > 0 ) $taxes[$key] = woocommerce_price( $tax ); return apply_filters( 'woocommerce_cart_formatted_taxes', $taxes, $this ); } /*-----------------------------------------------------------------------------------*/ /* Add to cart handling */ /*-----------------------------------------------------------------------------------*/ /** * Check if product is in the cart and return cart item key. * * Cart item key will be unique based on the item and its properties, such as variations. * * @param mixed id of product to find in the cart * @return string cart item key */ function find_product_in_cart( $cart_id = false ) { if ( $cart_id !== false ) foreach ( $this->cart_contents as $cart_item_key => $cart_item ) if ( $cart_item_key == $cart_id ) return $cart_item_key; } /** * Generate a unique ID for the cart item being added. * * @param int $product_id - id of the product the key is being generated for * @param int $variation_id of the product the key is being generated for * @param array $variation data for the cart item * @param array $cart_item_data other cart item data passed which affects this items uniqueness in the cart * @return string cart item key */ function generate_cart_id( $product_id, $variation_id = '', $variation = '', $cart_item_data = array() ) { $id_parts = array( $product_id ); if ( $variation_id ) $id_parts[] = $variation_id; if ( is_array( $variation ) ) { $variation_key = ''; foreach ( $variation as $key => $value ) { $variation_key .= trim( $key ) . trim( $value ); } $id_parts[] = $variation_key; } if ( is_array( $cart_item_data ) && ! empty( $cart_item_data ) ) { $cart_item_data_key = ''; foreach ( $cart_item_data as $key => $value ) { if ( is_array( $value ) ) $value = http_build_query( $value ); $cart_item_data_key .= trim($key) . trim($value); } $id_parts[] = $cart_item_data_key; } return md5( implode( '_', $id_parts ) ); } /** * Add a product to the cart. * * @param string $product_id contains the id of the product to add to the cart * @param string $quantity contains the quantity of the item to add * @param int $variation_id * @param array $variation attribute values * @param array $cart_item_data extra cart item data we want to pass into the item * @return bool */ function add_to_cart( $product_id, $quantity = 1, $variation_id = '', $variation = '', $cart_item_data = array() ) { global $woocommerce; if ( $quantity < 1 ) return false; // Load cart item data - may be added by other plugins $cart_item_data = (array) apply_filters( 'woocommerce_add_cart_item_data', $cart_item_data, $product_id ); // Generate a ID based on product ID, variation ID, variation data, and other cart item data $cart_id = $this->generate_cart_id( $product_id, $variation_id, $variation, $cart_item_data ); // See if this product and its options is already in the cart $cart_item_key = $this->find_product_in_cart( $cart_id ); if ( $variation_id > 0 ) $product_data = new WC_Product_Variation( $variation_id ); else $product_data = new WC_Product( $product_id ); // Force quantity to 1 if sold individually if ( $product_data->is_sold_individually() ) $quantity = 1; // Check product is_purchasable if ( ! $product_data->is_purchasable() ) { $woocommerce->add_error( __('Sorry, this product cannot be purchased.', 'woocommerce') ); return false; } // Stock check - only check if we're managing stock and backorders are not allowed if ( ! $product_data->has_enough_stock( $quantity ) ) { $woocommerce->add_error( sprintf(__('You cannot add that amount to the cart since there is not enough stock. We have %s in stock.', 'woocommerce'), $product_data->get_stock_quantity() )); return false; } elseif ( ! $product_data->is_in_stock() ) { $woocommerce->add_error( __('You cannot add that product to the cart since the product is out of stock.', 'woocommerce') ); return false; } // Downloadable/virtual qty check if ( $product_data->is_sold_individually() ) { $in_cart_quantity = ( $cart_item_key ) ? $this->cart_contents[$cart_item_key]['quantity'] + $quantity : $quantity; // If its greater than 1, its already in the cart if ( $in_cart_quantity > 1 ) { $woocommerce->add_error( sprintf('%s %s', get_permalink(woocommerce_get_page_id('cart')), __('View Cart →', 'woocommerce'), __('You already have this item in your cart.', 'woocommerce') ) ); return false; } } // Stock check - this time accounting for whats already in-cart $product_qty_in_cart = $this->get_cart_item_quantities(); if ( $product_data->managing_stock() ) { // Variations if ( $variation_id && $product_data->variation_has_stock ) { if ( isset( $product_qty_in_cart[ $variation_id ] ) && ! $product_data->has_enough_stock( $product_qty_in_cart[ $variation_id ] + $quantity ) ) { $woocommerce->add_error( sprintf(__('%s You cannot add that amount to the cart — we have %s in stock and you already have %s in your cart.', 'woocommerce'), get_permalink(woocommerce_get_page_id('cart')), __('View Cart →', 'woocommerce'), $product_data->get_stock_quantity(), $product_qty_in_cart[ $variation_id ] )); return false; } // Products } else { if ( isset( $product_qty_in_cart[ $product_id ] ) && ! $product_data->has_enough_stock( $product_qty_in_cart[ $product_id ] + $quantity ) ) { $woocommerce->add_error( sprintf(__('%s You cannot add that amount to the cart — we have %s in stock and you already have %s in your cart.', 'woocommerce'), get_permalink(woocommerce_get_page_id('cart')), __('View Cart →', 'woocommerce'), $product_data->get_stock_quantity(), $product_qty_in_cart[ $product_id ] )); return false; } } } // If cart_item_key is set, the item is already in the cart if ( $cart_item_key ) { $new_quantity = $quantity + $this->cart_contents[$cart_item_key]['quantity']; $this->set_quantity( $cart_item_key, $new_quantity ); } else { $cart_item_key = $cart_id; // Add item after merging with $cart_item_data - hook to allow plugins to modify cart item $this->cart_contents[$cart_item_key] = apply_filters( 'woocommerce_add_cart_item', array_merge( $cart_item_data, array( 'product_id' => $product_id, 'variation_id' => $variation_id, 'variation' => $variation, 'quantity' => $quantity, 'data' => $product_data ) ), $cart_item_key ); } do_action( 'woocommerce_add_to_cart', $cart_item_key, $product_id, $quantity, $variation_id, $variation, $cart_item_data ); $woocommerce->cart_has_contents_cookie( true ); $this->set_session(); return true; } /** * Set the quantity for an item in the cart. * * @param string cart_item_key contains the id of the cart item * @param string quantity contains the quantity of the item */ function set_quantity( $cart_item_key, $quantity = 1 ) { if ( $quantity == 0 || $quantity < 0 ) { do_action( 'woocommerce_before_cart_item_quantity_zero', $cart_item_key ); unset( $this->cart_contents[$cart_item_key] ); } else { $this->cart_contents[$cart_item_key]['quantity'] = $quantity; do_action( 'woocommerce_after_cart_item_quantity_update', $cart_item_key, $quantity ); } $this->set_session(); } /*-----------------------------------------------------------------------------------*/ /* Cart Calculation Functions */ /*-----------------------------------------------------------------------------------*/ /** * Reset cart totals and clear sessions. * * @access private * @return void */ private function reset() { $this->total = 0; $this->cart_contents_total = 0; $this->cart_contents_weight = 0; $this->cart_contents_count = 0; $this->cart_contents_tax = 0; $this->tax_total = 0; $this->shipping_tax_total = 0; $this->shipping_taxes = array(); $this->subtotal = 0; $this->subtotal_ex_tax = 0; $this->discount_total = 0; $this->discount_cart = 0; $this->shipping_total = 0; $this->taxes = array(); unset( $_SESSION['cart_contents_total'], $_SESSION['cart_contents_weight'], $_SESSION['cart_contents_count'], $_SESSION['cart_contents_tax'], $_SESSION['total'], $_SESSION['subtotal'], $_SESSION['subtotal_ex_tax'], $_SESSION['tax_total'], $_SESSION['taxes'], $_SESSION['shipping_taxes'], $_SESSION['discount_cart'], $_SESSION['discount_total'], $_SESSION['shipping_total'], $_SESSION['shipping_tax_total'], $_SESSION['shipping_label'] ); } /** * Function to apply discounts to a product and get the discounted price (before tax is applied). * * @access public * @param mixed $values * @param mixed $price * @param bool $add_totals (default: false) * @return float price */ function get_discounted_price( $values, $price, $add_totals = false ) { if ( ! $price ) return $price; if ( ! empty( $this->applied_coupons ) ) { foreach ( $this->applied_coupons as $code ) { $coupon = new WC_Coupon( $code ); if ( $coupon->apply_before_tax() && $coupon->is_valid() ) { switch ( $coupon->type ) { case "fixed_product" : case "percent_product" : $this_item_is_discounted = false; $product_cats = wp_get_post_terms( $values['product_id'], 'product_cat', array("fields" => "ids") ); // Specific products get the discount if ( sizeof( $coupon->product_ids ) > 0 ) { if ( in_array( $values['product_id'], $coupon->product_ids ) || in_array( $values['variation_id'], $coupon->product_ids ) || in_array( $values['data']->get_parent(), $coupon->product_ids ) ) $this_item_is_discounted = true; // Category discounts } elseif ( sizeof($coupon->product_categories ) > 0 ) { if ( sizeof( array_intersect( $product_cats, $coupon->product_categories ) ) > 0 ) $this_item_is_discounted = true; } else { // No product ids - all items discounted $this_item_is_discounted = true; } // Specific product ID's excluded from the discount if ( sizeof( $coupon->exclude_product_ids ) > 0 ) if ( in_array( $values['product_id'], $coupon->exclude_product_ids ) || in_array( $values['variation_id'], $coupon->exclude_product_ids ) || in_array( $values['data']->get_parent(), $coupon->exclude_product_ids ) ) $this_item_is_discounted = false; // Specific categories excluded from the discount if ( sizeof( $coupon->exclude_product_categories ) > 0 ) if ( sizeof( array_intersect( $product_cats, $coupon->exclude_product_categories ) ) > 0 ) $this_item_is_discounted = false; // Apply filter $this_item_is_discounted = apply_filters( 'woocommerce_item_is_discounted', $this_item_is_discounted, $values, $before_tax = true ); // Apply the discount if ( $this_item_is_discounted ) { if ( $coupon->type=='fixed_product' ) { if ( $price < $coupon->amount ) { $discount_amount = $price; } else { $discount_amount = $coupon->amount; } $price = $price - $coupon->amount; if ( $price < 0 ) $price = 0; if ( $add_totals ) { $this->discount_cart = $this->discount_cart + ( $discount_amount * $values['quantity'] ); } } elseif ( $coupon->type == 'percent_product' ) { $percent_discount = ( $values['data']->get_price_excluding_tax() / 100 ) * $coupon->amount; if ( $add_totals ) $this->discount_cart = $this->discount_cart + ( $percent_discount * $values['quantity'] ); $price = $price - $percent_discount; } } break; case "fixed_cart" : /** * This is the most complex discount - we need to divide the discount between rows based on their price in * proportion to the subtotal. This is so rows with different tax rates get a fair discount, and so rows * with no price (free) don't get discount too. */ // Get item discount by dividing item cost by subtotal to get a % if ( $this->subtotal_ex_tax ) $discount_percent = ( $values['data']->get_price_excluding_tax()*$values['quantity'] ) / $this->subtotal_ex_tax; else $discount_percent = 0; // Use pence to help prevent rounding errors $coupon_amount_pence = $coupon->amount * 100; // Work out the discount for the row $item_discount = $coupon_amount_pence * $discount_percent; // Work out discount per item $item_discount = $item_discount / $values['quantity']; // Pence $price = ( $price * 100 ); // Check if discount is more than price if ( $price < $item_discount ) $discount_amount = $price; else $discount_amount = $item_discount; // Take discount off of price (in pence) $price = $price - $discount_amount; // Back to pounds $price = $price / 100; // Cannot be below 0 if ( $price < 0 ) $price = 0; // Add coupon to discount total (once, since this is a fixed cart discount and we don't want rounding issues) if ( $add_totals ) $this->discount_cart = $this->discount_cart + ( ( $discount_amount * $values['quantity'] ) / 100 ); break; case "percent" : $percent_discount = round( ( $values['data']->get_price() / 100 ) * $coupon->amount, $this->dp ); if ( $add_totals ) $this->discount_cart = $this->discount_cart + ( $percent_discount * $values['quantity'] ); $price = $price - $percent_discount; break; } } } } return apply_filters( 'woocommerce_get_discounted_price', $price, $values, $this ); } /** * Function to apply product discounts after tax. * * @access public * @param mixed $values * @param mixed $price */ function apply_product_discounts_after_tax( $values, $price ) { if ( ! empty( $this->applied_coupons) ) { foreach ( $this->applied_coupons as $code ) { $coupon = new WC_Coupon( $code ); do_action( 'woocommerce_product_discount_after_tax_' . $coupon->type, $coupon ); if ( $coupon->type != 'fixed_product' && $coupon->type != 'percent_product' ) continue; if ( !$coupon->apply_before_tax() && $coupon->is_valid() ) { $product_cats = wp_get_post_terms( $values['product_id'], 'product_cat', array("fields" => "ids") ); $this_item_is_discounted = false; // Specific products get the discount if ( sizeof( $coupon->product_ids ) > 0 ) { if (in_array($values['product_id'], $coupon->product_ids) || in_array($values['variation_id'], $coupon->product_ids) || in_array($values['data']->get_parent(), $coupon->product_ids)) $this_item_is_discounted = true; // Category discounts } elseif ( sizeof( $coupon->product_categories ) > 0 ) { if ( sizeof( array_intersect( $product_cats, $coupon->product_categories ) ) > 0 ) $this_item_is_discounted = true; } else { // No product ids - all items discounted $this_item_is_discounted = true; } // Specific product ID's excluded from the discount if ( sizeof( $coupon->exclude_product_ids ) > 0 ) if ( in_array( $values['product_id'], $coupon->exclude_product_ids ) || in_array( $values['variation_id'], $coupon->exclude_product_ids ) || in_array( $values['data']->get_parent(), $coupon->exclude_product_ids ) ) $this_item_is_discounted = false; // Specific categories excluded from the discount if ( sizeof( $coupon->exclude_product_categories ) > 0 ) if ( sizeof( array_intersect( $product_cats, $coupon->exclude_product_categories ) ) > 0 ) $this_item_is_discounted = false; // Apply filter $this_item_is_discounted = apply_filters( 'woocommerce_item_is_discounted', $this_item_is_discounted, $values, $before_tax = false ); // Apply the discount if ( $this_item_is_discounted ) { if ( $coupon->type == 'fixed_product' ) { if ( $price < $coupon->amount ) $discount_amount = $price; else $discount_amount = $coupon->amount; $this->discount_total = $this->discount_total + ( $discount_amount * $values['quantity'] ); } elseif ( $coupon->type == 'percent_product' ) { $this->discount_total = $this->discount_total + round( ( $price / 100 ) * $coupon->amount, $this->dp ); } } } } } } /** * Function to apply cart discounts after tax. * * @access public */ function apply_cart_discounts_after_tax() { if ( $this->applied_coupons ) { foreach ( $this->applied_coupons as $code ) { $coupon = new WC_Coupon( $code ); do_action( 'woocommerce_cart_discount_after_tax_' . $coupon->type, $coupon ); if ( !$coupon->apply_before_tax() && $coupon->is_valid() ) { switch ( $coupon->type ) { case "fixed_cart" : $this->discount_total = $this->discount_total + $coupon->amount; break; case "percent" : $percent_discount = ( round( $this->cart_contents_total + $this->tax_total, $this->dp ) / 100 ) * $coupon->amount; $this->discount_total = $this->discount_total + round( $percent_discount, $this->dp ); break; } } } } } /** * Calculate totals for the items in the cart. * * @access public */ function calculate_totals() { global $woocommerce; $this->reset(); do_action('woocommerce_before_calculate_totals', $this); // Get count of all items + weights + subtotal (we may need this for discounts) if ( sizeof( $this->cart_contents ) > 0 ) { foreach ( $this->cart_contents as $cart_item_key => $values ) { $_product = $values['data']; $this->cart_contents_weight = $this->cart_contents_weight + ($_product->get_weight() * $values['quantity']); $this->cart_contents_count = $this->cart_contents_count + $values['quantity']; // Base Price (inlusive of tax for now) $row_base_price = $_product->get_price() * $values['quantity']; $base_tax_rates = $this->tax->get_shop_base_rate( $_product->tax_class ); $tax_amount = 0; if ($this->prices_include_tax) { if ( $_product->is_taxable() ) { $tax_rates = $this->tax->get_rates( $_product->get_tax_class() ); // ADJUST BASE if tax rate is different (different region or modified tax class) if ( $tax_rates !== $base_tax_rates ) { $base_taxes = $this->tax->calc_tax( $row_base_price, $base_tax_rates, true, true ); $modded_taxes = $this->tax->calc_tax( $row_base_price - array_sum($base_taxes), $tax_rates, false ); $row_base_price = ( $row_base_price - array_sum( $base_taxes ) ) + array_sum( $modded_taxes ); } $taxes = $this->tax->calc_tax( $row_base_price, $tax_rates, true ); $tax_amount = $this->tax->get_tax_total( $taxes ); } // Sub total is based on base prices (without discounts) $this->subtotal = $this->subtotal + $row_base_price; $this->subtotal_ex_tax = $this->subtotal_ex_tax + ( $row_base_price - $tax_amount); } else { if ( $_product->is_taxable() ) { $tax_rates = $this->tax->get_rates( $_product->get_tax_class() ); $taxes = $this->tax->calc_tax( $row_base_price, $tax_rates, false ); $tax_amount = $this->tax->get_tax_total( $taxes ); } // Sub total is based on base prices (without discounts) $this->subtotal = $this->subtotal + $row_base_price + $tax_amount; $this->subtotal_ex_tax = $this->subtotal_ex_tax + $row_base_price; } } } // Now calc the main totals, including discounts if ( $this->prices_include_tax ) { /** * Calculate totals for items */ if ( sizeof($this->cart_contents) > 0 ) { foreach ($this->cart_contents as $cart_item_key => $values ) { /** * Prices include tax * * To prevent rounding issues we need to work with the inclusive price where possible * otherwise we'll see errors such as when working with a 9.99 inc price, 20% VAT which would * be 8.325 leading to totals being 1p off * * Pre tax coupons come off the price the customer thinks they are paying - tax is calculated * afterwards. * * e.g. $100 bike with $10 coupon = customer pays $90 and tax worked backwards from that * * Used this excellent article for reference: * http://developer.practicalecommerce.com/articles/1473-Coding-for-Tax-Calculations-Everything-You-Never-Wanted-to-Know-Part-2 */ $_product = $values['data']; // Base Price (inlusive of tax for now) $base_price = $_product->get_price(); // Base Price Adjustment if ( $_product->is_taxable() ) { // Get rates $tax_rates = $this->tax->get_rates( $_product->get_tax_class() ); /** * ADJUST TAX - Calculations when customer is OUTSIDE the shop base country/state and prices INCLUDE tax * OR * ADJUST TAX - Calculations when a tax class is modified */ if ( ( $woocommerce->customer->is_customer_outside_base() && ( defined('WOOCOMMERCE_CHECKOUT') || $woocommerce->customer->has_calculated_shipping() ) ) || ( $_product->get_tax_class() !== $_product->tax_class ) ) { // Get tax rate for the store base, ensuring we use the unmodified tax_class for the product $base_tax_rates = $this->tax->get_shop_base_rate( $_product->tax_class ); // Work out new price based on region $row_base_price = $base_price * $values['quantity']; $base_taxes = $this->tax->calc_tax( $row_base_price, $base_tax_rates, true, true ); // Unrounded $taxes = $this->tax->calc_tax( $row_base_price - array_sum($base_taxes), $tax_rates, false ); // Tax amount $tax_amount = array_sum( $taxes ); // Line subtotal + tax $line_subtotal_tax = ( get_option('woocommerce_tax_round_at_subtotal')=='no' ) ? round( $tax_amount, $this->dp ) : $tax_amount; $line_subtotal = $row_base_price - $this->tax->get_tax_total($base_taxes); // Adjusted price $adjusted_price = ( $row_base_price - array_sum($base_taxes) + array_sum($taxes) ) / $values['quantity']; // Apply discounts $discounted_price = $this->get_discounted_price( $values, $adjusted_price, true ); $discounted_taxes = $this->tax->calc_tax( $discounted_price * $values['quantity'], $tax_rates, true ); $discounted_tax_amount = array_sum( $discounted_taxes ); // Sum taxes /** * Regular tax calculation (customer inside base and the tax class is unmodified */ } else { // Base tax for line before discount - we will store this in the order data $tax_amount = array_sum( $this->tax->calc_tax( $base_price * $values['quantity'], $tax_rates, true ) ); // Line subtotal + tax $line_subtotal_tax = ( get_option('woocommerce_tax_round_at_subtotal')=='no' ) ? round( $tax_amount, $this->dp ) : $tax_amount; $line_subtotal = ( $base_price * $values['quantity'] ) - round( $line_subtotal_tax, $this->dp ); // Calc prices and tax (discounted) $discounted_price = $this->get_discounted_price( $values, $base_price, true ); $discounted_taxes = $this->tax->calc_tax( $discounted_price * $values['quantity'], $tax_rates, true ); $discounted_tax_amount = array_sum( $discounted_taxes ); // Sum taxes } // Tax rows - merge the totals we just got foreach ( array_keys( $this->taxes + $discounted_taxes ) as $key ) { $this->taxes[$key] = ( isset( $discounted_taxes[$key] ) ? $discounted_taxes[$key] : 0 ) + ( isset( $this->taxes[$key] ) ? $this->taxes[$key] : 0 ); } } else { // Discounted Price (price with any pre-tax discounts applied) $discounted_price = $this->get_discounted_price( $values, $base_price, true ); $discounted_tax_amount = 0; $tax_amount = 0; $line_subtotal_tax = 0; $line_subtotal = ( $base_price * $values['quantity'] ); } // Line prices $line_tax = ( get_option('woocommerce_tax_round_at_subtotal') == 'no' ) ? round( $discounted_tax_amount, $this->dp ) : $discounted_tax_amount; $line_total = round( ( $discounted_price * $values['quantity'] ) - round( $line_tax, $this->dp ), $this->dp ); // Add any product discounts (after tax) $this->apply_product_discounts_after_tax( $values, $line_total + $discounted_tax_amount ); // Cart contents total is based on discounted prices and is used for the final total calculation $this->cart_contents_total = $this->cart_contents_total + $line_total; // Store costs + taxes for lines $this->cart_contents[$cart_item_key]['line_total'] = $line_total; $this->cart_contents[$cart_item_key]['line_tax'] = $line_tax; $this->cart_contents[$cart_item_key]['line_subtotal'] = $line_subtotal; $this->cart_contents[$cart_item_key]['line_subtotal_tax'] = $line_subtotal_tax; } } } else { if ( sizeof( $this->cart_contents ) > 0 ) { foreach ( $this->cart_contents as $cart_item_key => $values ) { /** * Prices exclude tax * * This calculation is simpler - work with the base, untaxed price. */ $_product = $values['data']; // Base Price (i.e. no tax, regardless of region) $base_price = $_product->get_price(); // Discounted Price (base price with any pre-tax discounts applied $discounted_price = $this->get_discounted_price( $values, $base_price, true ); // Tax Amount (For the line, based on discounted, ex.tax price) if ( $_product->is_taxable() ) { // Get tax rates $tax_rates = $this->tax->get_rates( $_product->get_tax_class() ); // Base tax for line before discount - we will store this in the order data $tax_amount = array_sum( $this->tax->calc_tax( $base_price * $values['quantity'], $tax_rates, false ) ); // Now calc product rates $discounted_taxes = $this->tax->calc_tax( $discounted_price * $values['quantity'], $tax_rates, false ); $discounted_tax_amount = array_sum( $discounted_taxes ); // Tax rows - merge the totals we just got foreach ( array_keys( $this->taxes + $discounted_taxes ) as $key ) { $this->taxes[$key] = ( isset( $discounted_taxes[$key] ) ? $discounted_taxes[$key] : 0 ) + ( isset( $this->taxes[$key] ) ? $this->taxes[$key] : 0 ); } } else { $discounted_tax_amount = 0; $tax_amount = 0; } // Line prices $line_subtotal_tax = $tax_amount; $line_tax = $discounted_tax_amount; $line_subtotal = $base_price * $values['quantity']; $line_total = $discounted_price * $values['quantity']; // Add any product discounts (after tax) $this->apply_product_discounts_after_tax( $values, $line_total + $line_tax ); // Cart contents total is based on discounted prices and is used for the final total calculation $this->cart_contents_total = $this->cart_contents_total + $line_total; // Store costs + taxes for lines $this->cart_contents[$cart_item_key]['line_total'] = $line_total; $this->cart_contents[$cart_item_key]['line_tax'] = $line_tax; $this->cart_contents[$cart_item_key]['line_subtotal'] = $line_subtotal; $this->cart_contents[$cart_item_key]['line_subtotal_tax'] = $line_subtotal_tax; } } } // Set tax total to sum of all tax rows $this->tax_total = $this->tax->get_tax_total( $this->taxes ); // VAT exemption done at this point - so all totals are correct before exemption if ( $woocommerce->customer->is_vat_exempt() || ( is_cart() && get_option('woocommerce_display_cart_taxes') == 'no' ) ) { $this->shipping_tax_total = $this->tax_total = 0; $this->taxes = $this->shipping_taxes = array(); foreach ( $this->cart_contents as $cart_item_key => $item ) $this->cart_contents[$cart_item_key]['line_subtotal_tax'] = $this->cart_contents[$cart_item_key]['line_tax'] = 0; } // Cart Discounts (after tax) $this->apply_cart_discounts_after_tax(); // Only go beyond this point if on the cart/checkout if ( ! is_checkout() && ! is_cart() && ! defined('WOOCOMMERCE_CHECKOUT') && ! defined('WOOCOMMERCE_CART') ) return; // Cart Shipping $this->calculate_shipping(); // VAT exemption for shipping if ( $woocommerce->customer->is_vat_exempt() ) { $this->shipping_tax_total = 0; $this->shipping_taxes = array(); } // Round cart/shipping tax rows $this->taxes = array_map( array( &$this->tax, 'round' ), $this->taxes ); $this->shipping_taxes = array_map( array( &$this->tax, 'round' ), $this->shipping_taxes ); // Allow plugins to hook and alter totals before final total is calculated do_action( 'woocommerce_calculate_totals', $this ); /** * Grand Total * * Based on discounted product prices, discounted tax, shipping cost + tax, and any discounts to be added after tax (e.g. store credit) */ $this->total = apply_filters( 'woocommerce_calculated_total', number_format( $this->cart_contents_total + $this->tax_total + $this->shipping_tax_total + $this->shipping_total - $this->discount_total, $this->dp, '.', '' ), $this ); if ($this->total < 0) $this->total = 0; } /** * looks at the totals to see if payment is actually required. * * @return bool */ function needs_payment() { if ( $this->total > 0 ) return true; else return false; } /*-----------------------------------------------------------------------------------*/ /* Shipping related functions */ /*-----------------------------------------------------------------------------------*/ /** * Uses the shipping class to calculate shipping then gets the totals when its finished. * * @access public * @return void */ function calculate_shipping() { global $woocommerce; if ( $this->needs_shipping() && $this->show_shipping() ) { $woocommerce->shipping->calculate_shipping( $this->get_shipping_packages() ); } else { $woocommerce->shipping->reset_shipping(); } // Get totals for the chosen shipping method $this->shipping_total = $woocommerce->shipping->shipping_total; // Shipping Total $this->shipping_label = $woocommerce->shipping->shipping_label; // Shipping Label $this->shipping_taxes = $woocommerce->shipping->shipping_taxes; // Shipping Taxes $this->shipping_tax_total = $this->tax->get_tax_total( $this->shipping_taxes ); // Shipping tax amount } /** * Get packages to calculate shipping for. * * This lets us calculate costs for carts that are shipped to multiple locations. * * Shipping methods are responsble for looping through these packages. * * By default we pass the cart itself as a package - plugins can change this * through the filter and break it up. * * @since 1.5.4 * @access public * @return array of cart items */ function get_shipping_packages() { global $woocommerce; // Packages array for storing 'carts' $packages = array(); $packages[0]['contents'] = $this->get_cart(); // Items in the package $packages[0]['contents_cost'] = 0; // Cost of items in the package $packages[0]['applied_coupons'] = $this->applied_coupons; // Applied coupons - some, like free shipping, affect costs $packages[0]['destination']['country'] = $woocommerce->customer->get_shipping_country(); $packages[0]['destination']['state'] = $woocommerce->customer->get_shipping_state(); $packages[0]['destination']['postcode'] = $woocommerce->customer->get_shipping_postcode(); foreach ( $this->get_cart() as $item ) if ( $item['data']->needs_shipping() ) $packages[0]['contents_cost'] += $item['line_total']; return apply_filters( 'woocommerce_cart_shipping_packages', $packages ); } /** * Looks through the cart to see if shipping is actually required. * * @return bool whether or not the cart needs shipping */ function needs_shipping() { if ( get_option('woocommerce_calc_shipping')=='no' ) return false; if ( ! is_array( $this->cart_contents ) ) return false; $needs_shipping = false; foreach ( $this->cart_contents as $cart_item_key => $values ) { $_product = $values['data']; if ( $_product->needs_shipping() ) { $needs_shipping = true; } } return apply_filters( 'woocomerce_cart_needs_shipping', $needs_shipping ); } /** * Sees if the customer has entered enough data to calc the shipping yet. * * @return bool */ function show_shipping() { global $woocommerce; if ( get_option('woocommerce_calc_shipping')=='no' ) return false; if ( ! is_array( $this->cart_contents ) ) return false; if ( get_option( 'woocommerce_shipping_cost_requires_address' ) == 'yes' ) { if ( ! $woocommerce->customer->has_calculated_shipping() ) { if ( ! $woocommerce->customer->get_shipping_country() || ( ! $woocommerce->customer->get_shipping_state() && ! $woocommerce->customer->get_shipping_postcode() ) ) return false; } } $show_shipping = true; return apply_filters( 'woocomerce_cart_ready_to_calc_shipping', $show_shipping ); } /** * Sees if we need a shipping address. * * @return bool */ function ship_to_billing_address_only() { if ( get_option('woocommerce_ship_to_billing_address_only') == 'yes' ) return true; else return false; } /** * Gets the shipping total (after calculation). * * @return mixed price or string for the shipping total */ function get_cart_shipping_total() { global $woocommerce; if ( isset( $this->shipping_label ) ) { if ( $this->shipping_total > 0 ) { // Display ex tax if the option is set, or prices exclude tax if ( $this->display_totals_ex_tax || !$this->prices_include_tax ) { $return = woocommerce_price( $this->shipping_total ); if ( $this->shipping_tax_total > 0 && $this->prices_include_tax ) { $return .= ' ' . $woocommerce->countries->ex_tax_or_vat() . ''; } return $return; } else { $return = woocommerce_price( $this->shipping_total + $this->shipping_tax_total ); if ( $this->shipping_tax_total > 0 && ! $this->prices_include_tax ) { $return .= ' ' . $woocommerce->countries->inc_tax_or_vat() . ''; } return $return; } } else { return __('Free!', 'woocommerce'); } } } /** * Gets title of the chosen shipping method. * * @return string shipping method title */ function get_cart_shipping_title() { if ( isset( $this->shipping_label ) ) { return __('via', 'woocommerce') . ' ' . $this->shipping_label; } return false; } /*-----------------------------------------------------------------------------------*/ /* Coupons/Discount related functions */ /*-----------------------------------------------------------------------------------*/ /** * Returns whether or not a discount has been applied. * * @return bool */ function has_discount( $code ) { if ( in_array($code, $this->applied_coupons) ) return true; return false; } /** * Applies a coupon code passed to the method. * * @param string $coupon_code - The code to apply * @return bool True if the coupon is applied, false if it does not exist or cannot be applied */ function add_discount( $coupon_code ) { global $woocommerce; // Coupons are globally disabled if ( get_option('woocommerce_enable_coupons') == 'no' ) return false; $the_coupon = new WC_Coupon($coupon_code); if ( $the_coupon->id ) { // Check it can be used with cart $return = $the_coupon->is_valid(); if ( ! $return || is_wp_error( $return ) ) { $woocommerce->add_error( is_wp_error( $return ) ? $return->get_error_message() : __('Invalid coupon.', 'woocommerce') ); return false; } // Check if applied if ( $woocommerce->cart->has_discount( $coupon_code ) ) { $woocommerce->add_error( __('Discount code already applied!', 'woocommerce') ); return false; } // If its individual use then remove other coupons if ( $the_coupon->individual_use == 'yes' ) { $this->applied_coupons = array(); } foreach ( $this->applied_coupons as $code ) { $coupon = new WC_Coupon($code); if ( $coupon->individual_use == 'yes' ) { $this->applied_coupons = array(); } } $this->applied_coupons[] = $coupon_code; $this->set_session(); $woocommerce->add_message( __('Discount code applied successfully.', 'woocommerce') ); do_action( 'woocommerce_applied_coupon', $coupon_code ); return true; } else { $woocommerce->add_error( __('Coupon does not exist!', 'woocommerce') ); return false; } return false; } /** * Gets the array of applied coupon codes. * * @return array of applied coupons */ function get_applied_coupons() { return (array) $this->applied_coupons; } /** * Remove coupons from the cart of a defined type. Type 1 is before tax, type 2 is after tax. * * @params int type - 0 for all, 1 for before tax, 2 for after tax */ function remove_coupons( $type = 0 ) { if ( $type == 1 ) { if ($this->applied_coupons) { foreach ( $this->applied_coupons as $index => $code ) { $coupon = new WC_Coupon( $code ); if ( $coupon->apply_before_tax() ) unset($this->applied_coupons[$index]); } } $_SESSION['coupons'] = $this->applied_coupons; } elseif ( $type == 2 ) { if ( $this->applied_coupons ) { foreach ( $this->applied_coupons as $index => $code ) { $coupon = new WC_Coupon( $code ); if ( !$coupon->apply_before_tax() ) unset($this->applied_coupons[$index]); } } $_SESSION['coupons'] = $this->applied_coupons; } else { unset($_SESSION['coupons']); $this->applied_coupons = array(); } } /*-----------------------------------------------------------------------------------*/ /* Get Formatted Totals */ /*-----------------------------------------------------------------------------------*/ /** * Get the total of all order discounts (after tax discounts). * * @return float */ function get_order_discount_total() { return $this->discount_total; } /** * Get the total of all cart discounts (before tax discounts). * * @return float */ function get_cart_discount_total() { return $this->discount_cart; } /** * Gets the order total (after calculation). * * @return string formatted price */ function get_total() { return apply_filters( 'woocommerce_cart_total', woocommerce_price( $this->total ) ); } /** * Gets the total excluding taxes. * * @return string formatted price */ function get_total_ex_tax() { $total = $this->total - $this->tax_total - $this->shipping_tax_total; if ( $total < 0 ) $total = 0; return apply_filters( 'woocommerce_cart_total_ex_tax', woocommerce_price( $total ) ); } /** * Gets the cart contents total (after calculation). * * @return string formatted price */ function get_cart_total() { if ( ! $this->prices_include_tax ) { $cart_contents_total = woocommerce_price( $this->cart_contents_total ); } else { $cart_contents_total = woocommerce_price( $this->cart_contents_total + $this->tax_total ); } return apply_filters( 'woocommerce_cart_contents_total', $cart_contents_total ); } /** * Gets the sub total (after calculation). * * @params bool whether to include compound taxes * @return string formatted price */ function get_cart_subtotal( $compound = false ) { global $woocommerce; // If the cart has compound tax, we want to show the subtotal as // cart + shipping + non-compound taxes (after discount) if ( $compound ) { $cart_subtotal = woocommerce_price( $this->cart_contents_total + $this->shipping_total + $this->get_taxes_total( false ) ); // Otherwise we show cart items totals only (before discount) } else { // Display ex tax if the option is set, or prices exclude tax if ( $this->display_totals_ex_tax || ! $this->prices_include_tax || $woocommerce->customer->is_vat_exempt() ) { $cart_subtotal = woocommerce_price( $this->subtotal_ex_tax ); if ( $this->tax_total > 0 && $this->prices_include_tax ) { $cart_subtotal .= ' ' . $woocommerce->countries->ex_tax_or_vat() . ''; } } else { $cart_subtotal = woocommerce_price( $this->subtotal ); if ( $this->tax_total > 0 && !$this->prices_include_tax ) { $cart_subtotal .= ' ' . $woocommerce->countries->inc_tax_or_vat() . ''; } } } return apply_filters( 'woocommerce_cart_subtotal', $cart_subtotal, $compound, $this ); } /** * Get the product row subtotal. * * Gets the tax etc to avoid rounding issues. * * When on the checkout (review order), this will get the subtotal based on the customer's tax rate rather than the base rate * * @params object product * @params int quantity * @return string formatted price */ function get_product_subtotal( $_product, $quantity ) { global $woocommerce; $price = $_product->get_price(); $taxable = $_product->is_taxable(); $base_tax_rates = $this->tax->get_shop_base_rate( $_product->tax_class ); $tax_rates = $this->tax->get_rates( $_product->get_tax_class() ); // This will get the base rate unless we're on the checkout page // Taxable if ( $taxable ) { if ( ( $this->display_cart_ex_tax || $woocommerce->customer->is_vat_exempt() ) && $this->prices_include_tax ) { $base_taxes = $this->tax->calc_tax( $price * $quantity, $base_tax_rates, true ); $base_tax_amount = array_sum( $base_taxes ); $row_price = ( $price * $quantity ) - $base_tax_amount; $product_subtotal = woocommerce_price( $row_price ); $product_subtotal .= ' ' . $woocommerce->countries->ex_tax_or_vat() . ''; } elseif ( ! $this->display_cart_ex_tax && $tax_rates !== $base_tax_rates && $this->prices_include_tax ) { $base_taxes = $this->tax->calc_tax( $price * $quantity, $base_tax_rates, true, true ); $modded_taxes = $this->tax->calc_tax( ( $price * $quantity ) - array_sum( $base_taxes ), $tax_rates, false ); $row_price = (( $price * $quantity ) - array_sum( $base_taxes )) + array_sum( $modded_taxes ); $product_subtotal = woocommerce_price( $row_price ); if ( ! $this->prices_include_tax ) { $product_subtotal .= ' ' . $woocommerce->countries->inc_tax_or_vat() . ''; } } else { $row_price = $price * $quantity; $product_subtotal = woocommerce_price( $row_price ); } // Non taxable } else { $row_price = $price * $quantity; $product_subtotal = woocommerce_price( $row_price ); } return apply_filters( 'woocommerce_cart_product_subtotal', $product_subtotal, $_product, $quantity, $this ); } /** * Gets the cart tax (after calculation). * * @return string formatted price */ function get_cart_tax() { $return = false; $cart_total_tax = $this->tax_total + $this->shipping_tax_total; if ( $cart_total_tax > 0 ) $return = woocommerce_price( $cart_total_tax ); return apply_filters( 'woocommerce_get_cart_tax', $return ); } /** * Get tax row amounts with or without compound taxes includes. * * @return float price */ function get_taxes_total( $compound = true ) { $total = 0; foreach ( $this->taxes as $key => $tax ) { if ( ! $compound && $this->tax->is_compound( $key ) ) continue; $total += $tax; } foreach ( $this->shipping_taxes as $key => $tax ) { if ( ! $compound && $this->tax->is_compound( $key ) ) continue; $total += $tax; } return $total; } /** * Gets the total (product) discount amount - these are applied before tax. * * @return mixed formatted price or false if there are none */ function get_discounts_before_tax() { if ( $this->discount_cart ) { $discounts_before_tax = woocommerce_price( $this->discount_cart ); } else { $discounts_before_tax = false; } return apply_filters( 'woocommerce_cart_discounts_before_tax', $discounts_before_tax, $this ); } /** * Gets the order discount amount - these are applied after tax. * * @return mixed formatted price or false if there are none */ function get_discounts_after_tax() { if ( $this->discount_total ) { $discounts_after_tax = woocommerce_price( $this->discount_total ); } else { $discounts_after_tax = false; } return apply_filters( 'woocommerce_cart_discounts_after_tax', $discounts_after_tax, $this ); } /** * Gets the total discount amount - both kinds. * * @return mixed formatted price or false if there are none */ function get_total_discount() { if ( $this->discount_total || $this->discount_cart ) { $total_discount = woocommerce_price( $this->discount_total + $this->discount_cart ); } else { $total_discount = false; } return apply_filters( 'woocommerce_cart_total_discount', $total_discount, $this ); } } /** * woocommerce_cart class. * * @extends WC_Cart * @deprecated 1.4 * @package WooCommerce/Classes */ class woocommerce_cart extends WC_Cart { public function __construct() { _deprecated_function( 'woocommerce_cart', '1.4', 'WC_Cart()' ); parent::__construct(); } }