}
$_SESSION['cart'] = isset($_SESSION['cart']) ? $_SESSION['cart'] : array();
$cart =& $_SESSION['cart'];
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
if ($mode == 'update') {
if (!empty($cart['products'])) {
foreach ($cart['products'] as $_id => $product) {
if (!empty($product['extra']['buy_together']) && !empty($product['prev_cart_id']) && $product['prev_cart_id'] != $_id) {
foreach ($cart['products'] as $aux_id => $aux_product) {
if (!empty($aux_product['extra']['parent']['buy_together']) && $aux_product['extra']['parent']['buy_together'] == $product['prev_cart_id']) {
$cart['products'][$aux_id]['extra']['parent']['buy_together'] = $_id;
$cart['products'][$aux_id]['update_c_id'] = true;
}
}
}
}
foreach ($cart['products'] as $upd_id => $upd_product) {
if (!empty($upd_product['update_c_id']) && $upd_product['update_c_id'] == true) {
$new_id = fn_generate_cart_id($upd_product['product_id'], $upd_product['extra'], false);
if (!isset($cart['products'][$new_id])) {
unset($upd_product['update_c_id']);
$cart['products'][$new_id] = $upd_product;
unset($cart['products'][$upd_id]);
// update taxes
fn_update_stored_cart_taxes($cart, $upd_id, $new_id, false);
}
}
}
}
}
}
/**
* Update buy together products
*
* @param array $cart Array of cart content and user information necessary for purchase
* @param array $product_data Array of new products data
* @param array $auth Array of user authentication data (e.g. uid, usergroup_ids, etc.)
* @return boolean Always true
*/
function fn_buy_together_update_cart_products_post(&$cart, &$product_data, &$auth)
{
if (!empty($cart['products'])) {
foreach ($cart['products'] as $_id => $product) {
if (!empty($product['extra']['buy_together']) && !empty($product['prev_cart_id']) && $product['prev_cart_id'] != $_id) {
foreach ($cart['products'] as $aux_id => $aux_product) {
if (!empty($aux_product['extra']['parent']['buy_together']) && $aux_product['extra']['parent']['buy_together'] == $product['prev_cart_id']) {
$cart['products'][$aux_id]['extra']['parent']['buy_together'] = $_id;
$cart['products'][$aux_id]['update_c_id'] = true;
}
}
}
}
foreach ($cart['products'] as $upd_id => $upd_product) {
if (!empty($upd_product['update_c_id']) && $upd_product['update_c_id'] == true) {
$new_id = fn_generate_cart_id($upd_product['product_id'], $upd_product['extra'], false);
if (!isset($cart['products'][$new_id])) {
unset($upd_product['update_c_id']);
$cart['products'][$new_id] = $upd_product;
unset($cart['products'][$upd_id]);
foreach ($cart['product_groups'] as $key_group => $group) {
if (in_array($upd_id, array_keys($group['products']))) {
unset($cart['product_groups'][$key_group]['products'][$upd_id]);
$cart['product_groups'][$key_group]['products'][$new_id] = $upd_product;
}
}
// update taxes
fn_update_stored_cart_taxes($cart, $upd_id, $new_id, false);
}
}
}
}
return true;
}
/**
* Update cart products from passed products data
*
* @param array $cart Array of cart content and user information necessary for purchase
* @param array $product_data Array of new products data
* @param array $auth Array of user authentication data (e.g. uid, usergroup_ids, etc.)
* @return boolean Always true
*/
function fn_update_cart_products(&$cart, $product_data, $auth)
{
/**
* Actions before updating cart products
*
* @param array $cart Array of cart content and user information necessary for purchase
* @param array $product_data Array of new products data
* @param array $auth Array of user authentication data (e.g. uid, usergroup_ids, etc.)
*/
fn_set_hook('update_cart_products_pre', $cart, $product_data, $auth);
if (is_array($cart['products']) && !empty($product_data)) {
list($product_data, $cart) = fn_add_product_options_files($product_data, $cart, $auth, true);
unset($product_data['custom_files']);
foreach ($product_data as $k => $v) {
if (!isset($cart['products'][$k]['extra']['exclude_from_calculate'])) {
if (empty($v['extra'])) {
$v['extra'] = array();
}
if ($v['price'] < 0) {
$v['price'] = 0;
}
unset($v['object_id']);
$amount = fn_normalize_amount($v['amount']);
$price = fn_get_product_price($v['product_id'], $amount, $auth);
$v['extra'] = empty($cart['products'][$k]['extra']) ? array() : $cart['products'][$k]['extra'];
$v['extra']['product_options'] = empty($v['product_options']) ? array() : $v['product_options'];
$_id = fn_generate_cart_id($v['product_id'], $v['extra']);
if (!isset($cart['products'][$_id])) {
//if combination doesn't exist in the cart
$cart['products'][$_id] = $v;
$cart['products'][$_id]['company_id'] = !empty($cart['products'][$k]['company_id']) ? $cart['products'][$k]['company_id'] : 0;
$_product = $cart['products'][$k];
fn_define_original_amount($v['product_id'], $_id, $cart['products'][$_id], $_product);
fn_delete_cart_product($cart, $k);
} elseif ($k != $_id) {
// if the combination is exist but differs from the current
$amount += $cart['products'][$_id]['amount'];
fn_delete_cart_product($cart, $k);
}
if (empty($amount)) {
fn_delete_cart_product($cart, $_id);
continue;
} else {
$_product_options = !empty($v['product_options']) ? $v['product_options'] : array();
$cart['products'][$_id]['amount'] = fn_check_amount_in_stock($v['product_id'], $amount, $_product_options, $_id, !empty($cart['products'][$_id]['is_edp']) && $cart['products'][$_id]['is_edp'] == 'Y' ? 'Y' : 'N', !empty($cart['products'][$_id]['original_amount']) ? $cart['products'][$_id]['original_amount'] : 0, $cart);
if ($cart['products'][$_id]['amount'] == false && !empty($_product)) {
$cart['products'][$_id] = $_product;
unset($_product);
}
}
if ($k != $_id) {
$cart['products'][$_id]['prev_cart_id'] = $k;
// save stored taxes for products
fn_update_stored_cart_taxes($cart, $k, $_id, true);
} elseif (isset($cart['products'][$_id]['prev_cart_id'])) {
unset($cart['products'][$_id]['prev_cart_id']);
}
$cart['products'][$_id]['stored_price'] = !empty($v['stored_price']) ? $v['stored_price'] : 'N';
if ($cart['products'][$_id]['stored_price'] == 'Y') {
$cart['products'][$_id]['price'] = $v['price'];
}
$cart['products'][$_id]['stored_discount'] = !empty($v['stored_discount']) ? $v['stored_discount'] : 'N';
if ($cart['products'][$_id]['stored_discount'] == 'Y') {
$cart['products'][$_id]['discount'] = $v['discount'];
}
}
}
}
/**
* Additional cart products updates from passed params
*
* @param array $cart Array of cart content and user information necessary for purchase
* @param array $product_data Array of new products data
* @param array $auth Array of user authentication data (e.g. uid, usergroup_ids, etc.)
*/
fn_set_hook('update_cart_products_post', $cart, $product_data, $auth);
return true;
}
unset($cart['products'][$k]);
}
if (empty($amount)) {
fn_delete_cart_product($cart, $_id);
continue;
} else {
$cart['products'][$_id]['amount'] = fn_check_amount_in_stock($v['product_id'], $amount, @$v['product_options'], $_id, !empty($cart['products'][$_id]['is_edp']) && $cart['products'][$_id]['is_edp'] == 'Y' ? 'Y' : 'N', !empty($cart['products'][$_id]['original_amount']) ? $cart['products'][$_id]['original_amount'] : 0, $cart);
if ($cart['products'][$_id]['amount'] == false && !empty($_product)) {
$cart['products'][$_id] = $_product;
unset($_product);
}
}
if ($k != $_id) {
$cart['products'][$_id]['prev_cart_id'] = $k;
// save stored taxes for products
fn_update_stored_cart_taxes($cart, $k, $_id, true);
} elseif (isset($cart['products'][$_id]['prev_cart_id'])) {
unset($cart['products'][$_id]['prev_cart_id']);
}
if (@$v['stored_price'] == 'Y') {
$cart['products'][$_id]['price'] = $v['price'];
}
if (@$v['stored_discount'] == 'Y') {
$cart['products'][$_id]['original_discount'] = $v['discount'];
$cart['products'][$_id]['discount'] = $v['discount'];
}
$cart['products'][$_id]['stored_discount'] = @$v['stored_discount'];
$cart['products'][$_id]['stored_price'] = @$v['stored_price'];
}
}
}
