????
Your IP : 216.73.216.174
<?php
/*
$Id$
osCommerce, Open Source E-Commerce Solutions
http://www.oscommerce.com
Copyright (c) 2003 osCommerce
Released under the GNU General Public License
*/
class shoppingCart {
var $contents, $total, $weight;
function shoppingCart() {
$this->reset();
}
function restore_contents() {
global $customer_id;
if (!$customer_id) return 0;
// insert current cart contents in database
if ($this->contents) {
reset($this->contents);
while (list($products_id, ) = each($this->contents)) {
$qty = $this->contents[$products_id]['qty'];
$product_query = tep_db_query("select products_id from " . TABLE_CUSTOMERS_BASKET . " where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($products_id) . "'");
if (!tep_db_num_rows($product_query)) {
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($qty) . "', '" . date('Ymd') . "')");
if ($this->contents[$products_id]['attributes']) {
reset($this->contents[$products_id]['attributes']);
while (list($option, $value) = each($this->contents[$products_id]['attributes'])) {
tep_db_query("insert into " . TABLE_CUSTOMERS_BASKET_ATTRIBUTES . " (customers_id, products_id, products_options_id, products_options_value_id) values ('" . (int)$customer_id . "', '" . tep_db_input($products_id) . "', '" . (int)$option . "', '" . (int)$value . "')");
}
}
} else {
tep_db_query("update " . TABLE_CUSTOMERS_BASKET . " set customers_basket_quantity = '" . tep_db_input($qty) . "' where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($products_id) . "'");
}
}
}
// reset per-session cart contents, but not the database contents
$this->reset(FALSE);
$products_query = tep_db_query("select products_id, customers_basket_quantity from " . TABLE_CUSTOMERS_BASKET . " where customers_id = '" . (int)$customer_id . "'");
while ($products = tep_db_fetch_array($products_query)) {
$this->contents[$products['products_id']] = array('qty' => $products['customers_basket_quantity']);
// attributes
$attributes_query = tep_db_query("select products_options_id, products_options_value_id from " . TABLE_CUSTOMERS_BASKET_ATTRIBUTES . " where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($products['products_id']) . "'");
while ($attributes = tep_db_fetch_array($attributes_query)) {
$this->contents[$products['products_id']]['attributes'][$attributes['products_options_id']] = $attributes['products_options_value_id'];
}
}
$this->cleanup();
}
function reset($reset_database = FALSE) {
global $customer_id;
$this->contents = array();
$this->total = 0;
if ($customer_id && $reset_database) {
tep_db_query("delete from " . TABLE_CUSTOMERS_BASKET . " where customers_id = '" . (int)$customer_id . "'");
tep_db_query("delete from " . TABLE_CUSTOMERS_BASKET_ATTRIBUTES . " where customers_id = '" . (int)$customer_id . "'");
}
}
function add_cart($products_id, $qty = '', $attributes = '') {
global $new_products_id_in_cart, $customer_id;
$products_id = tep_get_uprid($products_id, $attributes);
if ($this->in_cart($products_id)) {
$this->update_quantity($products_id, $qty, $attributes);
} else {
if ($qty == '') $qty = '1'; // if no quantity is supplied, then add '1' to the customers basket
$this->contents[] = array($products_id);
$this->contents[$products_id] = array('qty' => $qty);
// insert into database
if ($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) . "', '" . tep_db_input($qty) . "', '" . date('Ymd') . "')");
if (is_array($attributes)) {
reset($attributes);
while (list($option, $value) = each($attributes)) {
$this->contents[$products_id]['attributes'][$option] = $value;
// insert into database
if ($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) . "', '" . (int)$option . "', '" . (int)$value . "')");
}
}
$new_products_id_in_cart = $products_id;
tep_session_register('new_products_id_in_cart');
}
$this->cleanup();
}
function update_quantity($products_id, $quantity = '', $attributes = '') {
global $customer_id;
if ($quantity == '') return true; // nothing needs to be updated if theres no quantity, so we return true..
$this->contents[$products_id] = array('qty' => $quantity);
// update database
if ($customer_id) tep_db_query("update " . TABLE_CUSTOMERS_BASKET . " set customers_basket_quantity = '" . tep_db_input($quantity) . "' where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($products_id) . "'");
if (is_array($attributes)) {
reset($attributes);
while (list($option, $value) = each($attributes)) {
$this->contents[$products_id]['attributes'][$option] = $value;
// update database
if ($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($products_id) . "' and products_options_id = '" . (int)$option . "'");
}
}
}
function cleanup() {
global $customer_id;
reset($this->contents);
while (list($key,) = each($this->contents)) {
if ($this->contents[$key]['qty'] < 1) {
unset($this->contents[$key]);
// remove from database
if ($customer_id) {
tep_db_query("delete from " . TABLE_CUSTOMERS_BASKET . " where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($key) . "'");
tep_db_query("delete from " . TABLE_CUSTOMERS_BASKET_ATTRIBUTES . " where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($key) . "'");
}
}
}
}
function count_contents() { // get total number of items in cart
$total_items = 0;
if (is_array($this->contents)) {
reset($this->contents);
while (list($products_id, ) = each($this->contents)) {
$total_items += $this->get_quantity($products_id);
}
}
return $total_items;
}
function get_quantity($products_id) {
if ($this->contents[$products_id]) {
return $this->contents[$products_id]['qty'];
} else {
return 0;
}
}
function in_cart($products_id) {
if ($this->contents[$products_id]) {
return true;
} else {
return false;
}
}
function remove($products_id) {
global $customer_id;
unset($this->contents[$products_id]);
// remove from database
if ($customer_id) {
tep_db_query("delete from " . TABLE_CUSTOMERS_BASKET . " where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($products_id) . "'");
tep_db_query("delete from " . TABLE_CUSTOMERS_BASKET_ATTRIBUTES . " where customers_id = '" . (int)$customer_id . "' and products_id = '" . tep_db_input($products_id) . "'");
}
}
function remove_all() {
$this->reset();
}
function get_product_id_list() {
$product_id_list = '';
if (is_array($this->contents))
{
reset($this->contents);
while (list($products_id, ) = each($this->contents)) {
$product_id_list .= ', ' . $products_id;
}
}
return substr($product_id_list, 2);
}
function calculate() {
$this->total = 0;
$this->weight = 0;
if (!is_array($this->contents)) return 0;
reset($this->contents);
while (list($products_id, ) = each($this->contents)) {
$qty = $this->contents[$products_id]['qty'];
// products price
$product_query = tep_db_query("select products_id, products_price, products_tax_class_id, products_weight from " . TABLE_PRODUCTS . " where products_id='" . (int)tep_get_prid($products_id) . "'");
if ($product = tep_db_fetch_array($product_query)) {
$prid = $product['products_id'];
$products_tax = tep_get_tax_rate($product['products_tax_class_id']);
$products_price = $product['products_price'];
$products_weight = $product['products_weight'];
$specials_query = tep_db_query("select specials_new_products_price from " . TABLE_SPECIALS . " where products_id = '" . (int)$prid . "' and status = '1'");
if (tep_db_num_rows ($specials_query)) {
$specials = tep_db_fetch_array($specials_query);
$products_price = $specials['specials_new_products_price'];
}
$this->total += tep_add_tax($products_price, $products_tax) * $qty;
$this->weight += ($qty * $products_weight);
}
// attributes price
if (isset($this->contents[$products_id]['attributes'])) {
reset($this->contents[$products_id]['attributes']);
while (list($option, $value) = each($this->contents[$products_id]['attributes'])) {
$attribute_price_query = tep_db_query("select options_values_price, price_prefix from " . TABLE_PRODUCTS_ATTRIBUTES . " where products_id = '" . (int)$prid . "' and options_id = '" . (int)$option . "' and options_values_id = '" . (int)$value . "'");
$attribute_price = tep_db_fetch_array($attribute_price_query);
if ($attribute_price['price_prefix'] == '+') {
$this->total += $qty * tep_add_tax($attribute_price['options_values_price'], $products_tax);
} else {
$this->total -= $qty * tep_add_tax($attribute_price['options_values_price'], $products_tax);
}
}
}
}
}
function attributes_price($products_id) {
$attributes_price = 0;
if (isset($this->contents[$products_id]['attributes'])) {
reset($this->contents[$products_id]['attributes']);
while (list($option, $value) = each($this->contents[$products_id]['attributes'])) {
$attribute_price_query = tep_db_query("select options_values_price, price_prefix from " . TABLE_PRODUCTS_ATTRIBUTES . " where products_id = '" . (int)$products_id . "' and options_id = '" . (int)$option . "' and options_values_id = '" . (int)$value . "'");
$attribute_price = tep_db_fetch_array($attribute_price_query);
if ($attribute_price['price_prefix'] == '+') {
$attributes_price += $attribute_price['options_values_price'];
} else {
$attributes_price -= $attribute_price['options_values_price'];
}
}
}
return $attributes_price;
}
function get_products() {
global $languages_id;
if (!is_array($this->contents)) return 0;
$products_array = array();
reset($this->contents);
while (list($products_id, ) = each($this->contents)) {
$products_query = tep_db_query("select p.products_id, pd.products_name, p.products_model, p.products_price, p.products_weight, p.products_tax_class_id from " . TABLE_PRODUCTS . " p, " . TABLE_PRODUCTS_DESCRIPTION . " pd where p.products_id='" . (int)tep_get_prid($products_id) . "' and pd.products_id = p.products_id and pd.language_id = '" . (int)$languages_id . "'");
if ($products = tep_db_fetch_array($products_query)) {
$prid = $products['products_id'];
$products_price = $products['products_price'];
$specials_query = tep_db_query("select specials_new_products_price from " . TABLE_SPECIALS . " where products_id = '" . (int)$prid . "' and status = '1'");
if (tep_db_num_rows($specials_query)) {
$specials = tep_db_fetch_array($specials_query);
$products_price = $specials['specials_new_products_price'];
}
$products_array[] = array('id' => $products_id,
'name' => $products['products_name'],
'model' => $products['products_model'],
'price' => $products_price,
'quantity' => $this->contents[$products_id]['qty'],
'weight' => $products['products_weight'],
'final_price' => ($products_price + $this->attributes_price($products_id)),
'tax_class_id' => $products['products_tax_class_id'],
'attributes' => (isset($this->contents[$products_id]['attributes']) ? $this->contents[$products_id]['attributes'] : ''));
}
}
return $products_array;
}
function show_total() {
$this->calculate();
return $this->total;
}
function show_weight() {
$this->calculate();
return $this->weight;
}
function unserialize($broken) {
for(reset($broken);$kv=each($broken);) {
$key=$kv['key'];
if (gettype($this->$key)!="user function")
$this->$key=$kv['value'];
}
}
}
?>