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<?php
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/*
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$Id: shopping_cart.php 1739 2007-12-20 00:52:16Z hpdl $
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osCommerce, Open Source E-Commerce Solutions
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http://www.oscommerce.com
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Copyright (c) 2003 osCommerce
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Released under the GNU General Public License
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*/
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class shoppingCart {
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var $contents, $total, $weight, $cartID, $content_type;
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function shoppingCart() {
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$this->reset();
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}
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function restore_contents() {
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global $customer_id;
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if (!tep_session_is_registered('customer_id')) return false;
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// insert current cart contents in database
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if (is_array($this->contents)) {
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reset($this->contents);
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while (list($products_id, ) = each($this->contents)) {
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$qty = $this->contents[$products_id]['qty'];
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$product_query = tep_db_query("select products_id from " . TABLE_CUSTOMERS_BASKET . " where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($products_id) . "'");
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if (!tep_db_num_rows($product_query)) {
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tep_db_query("insert into " . TABLE_CUSTOMERS_BASKET . " (customers_id, products_id, customers_basket_quantity, customers_basket_date_added) values ('" . (int)$customer_id . "', '" . tep_db_input($products_id) . "', '" . tep_db_input($qty) . "', '" . date('Ymd') . "')");
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if (isset($this->contents[$products_id]['attributes'])) {
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reset($this->contents[$products_id]['attributes']);
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while (list($option, $value) = each($this->contents[$products_id]['attributes'])) {
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tep_db_query("insert into " . TABLE_CUSTOMERS_BASKET_ATTRIBUTES . " (customers_id, products_id, products_options_id, products_options_value_id) values ('" . (int)$customer_id . "', '" . tep_db_input($products_id) . "', '" . (int)$option . "', '" . (int)$value . "')");
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}
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}
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} else {
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tep_db_query("update " . TABLE_CUSTOMERS_BASKET . " set customers_basket_quantity = '" . tep_db_input($qty) . "' where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($products_id) . "'");
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}
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}
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}
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// reset per-session cart contents, but not the database contents
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$this->reset(false);
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$products_query = tep_db_query("select products_id, customers_basket_quantity from " . TABLE_CUSTOMERS_BASKET . " where customers_id = '" . (int)$customer_id . "'");
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while ($products = tep_db_fetch_array($products_query)) {
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$this->contents[$products['products_id']] = array('qty' => $products['customers_basket_quantity']);
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// attributes
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$attributes_query = tep_db_query("select products_options_id, products_options_value_id from " . TABLE_CUSTOMERS_BASKET_ATTRIBUTES . " where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($products['products_id']) . "'");
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while ($attributes = tep_db_fetch_array($attributes_query)) {
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$this->contents[$products['products_id']]['attributes'][$attributes['products_options_id']] = $attributes['products_options_value_id'];
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}
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}
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$this->cleanup();
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}
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function reset($reset_database = false) {
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global $customer_id;
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$this->contents = array();
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$this->total = 0;
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$this->weight = 0;
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$this->content_type = false;
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if (tep_session_is_registered('customer_id') && ($reset_database == true)) {
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tep_db_query("delete from " . TABLE_CUSTOMERS_BASKET . " where customers_id = '" . (int)$customer_id . "'");
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tep_db_query("delete from " . TABLE_CUSTOMERS_BASKET_ATTRIBUTES . " where customers_id = '" . (int)$customer_id . "'");
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}
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unset($this->cartID);
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if (tep_session_is_registered('cartID')) tep_session_unregister('cartID');
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}
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function add_cart($products_id, $qty = '1', $attributes = '', $notify = true) {
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global $new_products_id_in_cart, $customer_id;
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$products_id_string = tep_get_uprid($products_id, $attributes);
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$products_id = tep_get_prid($products_id_string);
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if (defined('MAX_QTY_IN_CART') && (MAX_QTY_IN_CART > 0) && ((int)$qty > MAX_QTY_IN_CART)) {
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$qty = MAX_QTY_IN_CART;
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}
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$attributes_pass_check = true;
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if (is_array($attributes)) {
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reset($attributes);
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while (list($option, $value) = each($attributes)) {
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if (!is_numeric($option) || !is_numeric($value)) {
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$attributes_pass_check = false;
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break;
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}
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}
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}
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if (is_numeric($products_id) && is_numeric($qty) && ($attributes_pass_check == true)) {
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$check_product_query = tep_db_query("select products_status from " . TABLE_PRODUCTS . " where products_id = '" . (int)$products_id . "'");
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$check_product = tep_db_fetch_array($check_product_query);
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if (($check_product !== false) && ($check_product['products_status'] == '1')) {
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if ($notify == true) {
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$new_products_id_in_cart = $products_id;
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tep_session_register('new_products_id_in_cart');
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}
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if ($this->in_cart($products_id_string)) {
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$this->update_quantity($products_id_string, $qty, $attributes);
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} else {
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$this->contents[$products_id_string] = array('qty' => (int)$qty);
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// insert into database
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if (tep_session_is_registered('customer_id')) tep_db_query("insert into " . TABLE_CUSTOMERS_BASKET . " (customers_id, products_id, customers_basket_quantity, customers_basket_date_added) values ('" . (int)$customer_id . "', '" . tep_db_input($products_id_string) . "', '" . (int)$qty . "', '" . date('Ymd') . "')");
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if (is_array($attributes)) {
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reset($attributes);
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while (list($option, $value) = each($attributes)) {
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$this->contents[$products_id_string]['attributes'][$option] = $value;
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// insert into database
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if (tep_session_is_registered('customer_id')) tep_db_query("insert into " . TABLE_CUSTOMERS_BASKET_ATTRIBUTES . " (customers_id, products_id, products_options_id, products_options_value_id) values ('" . (int)$customer_id . "', '" . tep_db_input($products_id_string) . "', '" . (int)$option . "', '" . (int)$value . "')");
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}
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}
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}
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$this->cleanup();
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// assign a temporary unique ID to the order contents to prevent hack attempts during the checkout procedure
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$this->cartID = $this->generate_cart_id();
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}
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}
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}
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function update_quantity($products_id, $quantity = '', $attributes = '') {
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global $customer_id;
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$products_id_string = tep_get_uprid($products_id, $attributes);
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$products_id = tep_get_prid($products_id_string);
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if (defined('MAX_QTY_IN_CART') && (MAX_QTY_IN_CART > 0) && ((int)$quantity > MAX_QTY_IN_CART)) {
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$quantity = MAX_QTY_IN_CART;
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}
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$attributes_pass_check = true;
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if (is_array($attributes)) {
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reset($attributes);
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while (list($option, $value) = each($attributes)) {
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if (!is_numeric($option) || !is_numeric($value)) {
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$attributes_pass_check = false;
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break;
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}
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}
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}
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if (is_numeric($products_id) && isset($this->contents[$products_id_string]) && is_numeric($quantity) && ($attributes_pass_check == true)) {
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$this->contents[$products_id_string] = array('qty' => (int)$quantity);
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// update database
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if (tep_session_is_registered('customer_id')) tep_db_query("update " . TABLE_CUSTOMERS_BASKET . " set customers_basket_quantity = '" . (int)$quantity . "' where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($products_id_string) . "'");
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if (is_array($attributes)) {
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reset($attributes);
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while (list($option, $value) = each($attributes)) {
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$this->contents[$products_id_string]['attributes'][$option] = $value;
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// update database
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if (tep_session_is_registered('customer_id')) tep_db_query("update " . TABLE_CUSTOMERS_BASKET_ATTRIBUTES . " set products_options_value_id = '" . (int)$value . "' where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($products_id_string) . "' and products_options_id = '" . (int)$option . "'");
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}
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}
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}
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}
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function cleanup() {
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global $customer_id;
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reset($this->contents);
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while (list($key,) = each($this->contents)) {
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if ($this->contents[$key]['qty'] < 1) {
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unset($this->contents[$key]);
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// remove from database
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if (tep_session_is_registered('customer_id')) {
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tep_db_query("delete from " . TABLE_CUSTOMERS_BASKET . " where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($key) . "'");
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tep_db_query("delete from " . TABLE_CUSTOMERS_BASKET_ATTRIBUTES . " where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($key) . "'");
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}
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}
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}
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}
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function count_contents() { // get total number of items in cart
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$total_items = 0;
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if (is_array($this->contents)) {
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reset($this->contents);
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while (list($products_id, ) = each($this->contents)) {
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$total_items += $this->get_quantity($products_id);
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}
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}
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return $total_items;
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}
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function get_quantity($products_id) {
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if (isset($this->contents[$products_id])) {
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return $this->contents[$products_id]['qty'];
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} else {
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return 0;
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}
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}
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function in_cart($products_id) {
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if (isset($this->contents[$products_id])) {
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return true;
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} else {
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return false;
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}
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}
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function remove($products_id) {
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global $customer_id;
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unset($this->contents[$products_id]);
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// remove from database
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if (tep_session_is_registered('customer_id')) {
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tep_db_query("delete from " . TABLE_CUSTOMERS_BASKET . " where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($products_id) . "'");
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tep_db_query("delete from " . TABLE_CUSTOMERS_BASKET_ATTRIBUTES . " where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($products_id) . "'");
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}
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// assign a temporary unique ID to the order contents to prevent hack attempts during the checkout procedure
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$this->cartID = $this->generate_cart_id();
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}
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function remove_all() {
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$this->reset();
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}
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function get_product_id_list() {
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$product_id_list = '';
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if (is_array($this->contents)) {
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reset($this->contents);
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while (list($products_id, ) = each($this->contents)) {
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$product_id_list .= ', ' . $products_id;
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}
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}
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return substr($product_id_list, 2);
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}
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function calculate() {
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global $currencies;
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$this->total = 0;
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$this->weight = 0;
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if (!is_array($this->contents)) return 0;
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reset($this->contents);
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while (list($products_id, ) = each($this->contents)) {
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$qty = $this->contents[$products_id]['qty'];
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// products price
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$product_query = tep_db_query("select products_id, products_price, products_tax_class_id, products_weight from " . TABLE_PRODUCTS . " where products_id = '" . (int)$products_id . "'");
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if ($product = tep_db_fetch_array($product_query)) {
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$prid = $product['products_id'];
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$products_tax = tep_get_tax_rate($product['products_tax_class_id']);
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$products_price = $product['products_price'];
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$products_weight = $product['products_weight'];
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$specials_query = tep_db_query("select specials_new_products_price from " . TABLE_SPECIALS . " where products_id = '" . (int)$prid . "' and status = '1'");
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if (tep_db_num_rows ($specials_query)) {
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$specials = tep_db_fetch_array($specials_query);
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$products_price = $specials['specials_new_products_price'];
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}
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$this->total += $currencies->calculate_price($products_price, $products_tax, $qty);
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$this->weight += ($qty * $products_weight);
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}
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// attributes price
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if (isset($this->contents[$products_id]['attributes'])) {
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reset($this->contents[$products_id]['attributes']);
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while (list($option, $value) = each($this->contents[$products_id]['attributes'])) {
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$attribute_price_query = tep_db_query("select options_values_price, price_prefix from " . TABLE_PRODUCTS_ATTRIBUTES . " where products_id = '" . (int)$prid . "' and options_id = '" . (int)$option . "' and options_values_id = '" . (int)$value . "'");
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$attribute_price = tep_db_fetch_array($attribute_price_query);
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if ($attribute_price['price_prefix'] == '+') {
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$this->total += $currencies->calculate_price($attribute_price['options_values_price'], $products_tax, $qty);
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} else {
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$this->total -= $currencies->calculate_price($attribute_price['options_values_price'], $products_tax, $qty);
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}
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}
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}
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}
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}
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function attributes_price($products_id) {
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$attributes_price = 0;
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if (isset($this->contents[$products_id]['attributes'])) {
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reset($this->contents[$products_id]['attributes']);
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while (list($option, $value) = each($this->contents[$products_id]['attributes'])) {
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$attribute_price_query = tep_db_query("select options_values_price, price_prefix from " . TABLE_PRODUCTS_ATTRIBUTES . " where products_id = '" . (int)$products_id . "' and options_id = '" . (int)$option . "' and options_values_id = '" . (int)$value . "'");
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$attribute_price = tep_db_fetch_array($attribute_price_query);
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if ($attribute_price['price_prefix'] == '+') {
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$attributes_price += $attribute_price['options_values_price'];
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} else {
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303
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$attributes_price -= $attribute_price['options_values_price'];
|
|
304
|
}
|
|
305
|
}
|
|
306
|
}
|
|
307
|
|
|
308
|
return $attributes_price;
|
|
309
|
}
|
|
310
|
|
|
311
|
function get_products() {
|
|
312
|
global $languages_id;
|
|
313
|
|
|
314
|
if (!is_array($this->contents)) return false;
|
|
315
|
|
|
316
|
$products_array = array();
|
|
317
|
reset($this->contents);
|
|
318
|
while (list($products_id, ) = each($this->contents)) {
|
|
319
|
$products_query = tep_db_query("select p.products_id, pd.products_name, p.products_model, p.products_image, p.products_price, p.products_weight, p.products_tax_class_id from " . TABLE_PRODUCTS . " p, " . TABLE_PRODUCTS_DESCRIPTION . " pd where p.products_id = '" . (int)$products_id . "' and pd.products_id = p.products_id and pd.language_id = '" . (int)$languages_id . "'");
|
|
320
|
if ($products = tep_db_fetch_array($products_query)) {
|
|
321
|
$prid = $products['products_id'];
|
|
322
|
$products_price = $products['products_price'];
|
|
323
|
|
|
324
|
$specials_query = tep_db_query("select specials_new_products_price from " . TABLE_SPECIALS . " where products_id = '" . (int)$prid . "' and status = '1'");
|
|
325
|
if (tep_db_num_rows($specials_query)) {
|
|
326
|
$specials = tep_db_fetch_array($specials_query);
|
|
327
|
$products_price = $specials['specials_new_products_price'];
|
|
328
|
}
|
|
329
|
|
|
330
|
$products_array[] = array('id' => $products_id,
|
|
331
|
'name' => $products['products_name'],
|
|
332
|
'model' => $products['products_model'],
|
|
333
|
'image' => $products['products_image'],
|
|
334
|
'price' => $products_price,
|
|
335
|
'quantity' => $this->contents[$products_id]['qty'],
|
|
336
|
'weight' => $products['products_weight'],
|
|
337
|
'final_price' => ($products_price + $this->attributes_price($products_id)),
|
|
338
|
'tax_class_id' => $products['products_tax_class_id'],
|
|
339
|
'attributes' => (isset($this->contents[$products_id]['attributes']) ? $this->contents[$products_id]['attributes'] : ''));
|
|
340
|
}
|
|
341
|
}
|
|
342
|
|
|
343
|
return $products_array;
|
|
344
|
}
|
|
345
|
|
|
346
|
function show_total() {
|
|
347
|
$this->calculate();
|
|
348
|
|
|
349
|
return $this->total;
|
|
350
|
}
|
|
351
|
|
|
352
|
function show_weight() {
|
|
353
|
$this->calculate();
|
|
354
|
|
|
355
|
return $this->weight;
|
|
356
|
}
|
|
357
|
|
|
358
|
function generate_cart_id($length = 5) {
|
|
359
|
return tep_create_random_value($length, 'digits');
|
|
360
|
}
|
|
361
|
|
|
362
|
function get_content_type() {
|
|
363
|
$this->content_type = false;
|
|
364
|
|
|
365
|
if ( (DOWNLOAD_ENABLED == 'true') && ($this->count_contents() > 0) ) {
|
|
366
|
reset($this->contents);
|
|
367
|
while (list($products_id, ) = each($this->contents)) {
|
|
368
|
if (isset($this->contents[$products_id]['attributes'])) {
|
|
369
|
reset($this->contents[$products_id]['attributes']);
|
|
370
|
while (list(, $value) = each($this->contents[$products_id]['attributes'])) {
|
|
371
|
$virtual_check_query = tep_db_query("select count(*) as total from " . TABLE_PRODUCTS_ATTRIBUTES . " pa, " . TABLE_PRODUCTS_ATTRIBUTES_DOWNLOAD . " pad where pa.products_id = '" . (int)$products_id . "' and pa.options_values_id = '" . (int)$value . "' and pa.products_attributes_id = pad.products_attributes_id");
|
|
372
|
$virtual_check = tep_db_fetch_array($virtual_check_query);
|
|
373
|
|
|
374
|
if ($virtual_check['total'] > 0) {
|
|
375
|
switch ($this->content_type) {
|
|
376
|
case 'physical':
|
|
377
|
$this->content_type = 'mixed';
|
|
378
|
|
|
379
|
return $this->content_type;
|
|
380
|
break;
|
|
381
|
default:
|
|
382
|
$this->content_type = 'virtual';
|
|
383
|
break;
|
|
384
|
}
|
|
385
|
} else {
|
|
386
|
switch ($this->content_type) {
|
|
387
|
case 'virtual':
|
|
388
|
$this->content_type = 'mixed';
|
|
389
|
|
|
390
|
return $this->content_type;
|
|
391
|
break;
|
|
392
|
default:
|
|
393
|
$this->content_type = 'physical';
|
|
394
|
break;
|
|
395
|
}
|
|
396
|
}
|
|
397
|
}
|
|
398
|
} else {
|
|
399
|
switch ($this->content_type) {
|
|
400
|
case 'virtual':
|
|
401
|
$this->content_type = 'mixed';
|
|
402
|
|
|
403
|
return $this->content_type;
|
|
404
|
break;
|
|
405
|
default:
|
|
406
|
$this->content_type = 'physical';
|
|
407
|
break;
|
|
408
|
}
|
|
409
|
}
|
|
410
|
}
|
|
411
|
} else {
|
|
412
|
$this->content_type = 'physical';
|
|
413
|
}
|
|
414
|
|
|
415
|
return $this->content_type;
|
|
416
|
}
|
|
417
|
|
|
418
|
function unserialize($broken) {
|
|
419
|
for(reset($broken);$kv=each($broken);) {
|
|
420
|
$key=$kv['key'];
|
|
421
|
if (gettype($this->$key)!="user function")
|
|
422
|
$this->$key=$kv['value'];
|
|
423
|
}
|
|
424
|
}
|
|
425
|
|
|
426
|
}
|
|
427
|
?>
|
