function fn_add_product_to_cart($product_data, &$cart, &$auth, $update = false)
{
$ids = array();
if (!empty($product_data) && is_array($product_data)) {
if (!defined('GET_OPTIONS')) {
list($product_data, $cart) = fn_add_product_options_files($product_data, $cart, $auth, $update);
}
fn_set_hook('pre_add_to_cart', $product_data, $cart, $auth, $update);
foreach ($product_data as $key => $data) {
if (empty($key)) {
continue;
}
if (empty($data['amount'])) {
continue;
}
$data['stored_price'] = !empty($data['stored_price']) && defined('ORDER_MANAGEMENT') ? $data['stored_price'] : 'N';
if (empty($data['extra'])) {
$data['extra'] = array();
}
$product_id = !empty($data['product_id']) ? intval($data['product_id']) : intval($key);
if (!fn_check_add_product_to_cart($cart, $data, $product_id)) {
continue;
}
// Check if product options exist
if (!isset($data['product_options'])) {
$data['product_options'] = fn_get_default_product_options($product_id);
}
// Generate cart id
$data['extra']['product_options'] = $data['product_options'];
$_id = fn_generate_cart_id($product_id, $data['extra'], false);
if (isset($ids[$_id]) && $key == $_id) {
continue;
}
if (isset($data['extra']['exclude_from_calculate'])) {
if (!empty($cart['products'][$key]) && !empty($cart['products'][$key]['extra']['aoc'])) {
$cart['saved_product_options'][$cart['products'][$key]['extra']['saved_options_key']] = $data['product_options'];
}
if (isset($cart['deleted_exclude_products'][$data['extra']['exclude_from_calculate']][$_id])) {
continue;
}
}
$amount = fn_normalize_amount(@$data['amount']);
if (!isset($data['extra']['exclude_from_calculate'])) {
if ($data['stored_price'] != 'Y') {
$allow_add = true;
// Check if the product price with options modifiers equals to zero
$price = fn_get_product_price($product_id, $amount, $auth);
$zero_price_action = db_get_field("SELECT zero_price_action FROM ?:products WHERE product_id = ?i", $product_id);
if (!floatval($price) && $zero_price_action == 'A') {
if (isset($cart['products'][$key]['custom_user_price'])) {
$price = $cart['products'][$key]['custom_user_price'];
} else {
$custom_user_price = empty($data['price']) ? 0 : $data['price'];
}
}
$price = fn_apply_options_modifiers($data['product_options'], $price, 'P', array(), array('product_data' => $data));
if (!floatval($price)) {
$data['price'] = isset($data['price']) ? fn_parse_price($data['price']) : 0;
if (($zero_price_action == 'R' || $zero_price_action == 'A' && floatval($data['price']) < 0) && AREA == 'C') {
if ($zero_price_action == 'A') {
fn_set_notification('E', __('error'), __('incorrect_price_warning'));
}
$allow_add = false;
}
$price = empty($data['price']) ? 0 : $data['price'];
}
/**
* Recalculates price and checks if product can be added with the current price
*
* @param array $data Adding product data
* @param float $price Calculated product price
* @param boolean $allow_add Flag that determines if product can be added to cart
*/
fn_set_hook('add_product_to_cart_check_price', $data, $price, $allow_add);
if (!$allow_add) {
continue;
}
} else {
$price = empty($data['price']) ? 0 : $data['price'];
}
} else {
$price = 0;
}
$_data = db_get_row('SELECT is_edp, options_type, tracking, unlimited_download FROM ?:products WHERE product_id = ?i', $product_id);
if (isset($_data['is_edp'])) {
$data['is_edp'] = $_data['is_edp'];
} elseif (!isset($data['is_edp'])) {
$data['is_edp'] = 0;
}
if (isset($_data['options_type'])) {
$data['options_type'] = $_data['options_type'];
}
if (isset($_data['tracking'])) {
$data['tracking'] = $_data['tracking'];
}
if (isset($_data['unlimited_download'])) {
$data['extra']['unlimited_download'] = $_data['unlimited_download'];
}
// Check the sequential options
if (!empty($data['tracking']) && $data['tracking'] == ProductTracking::TRACK_WITH_OPTIONS && $data['options_type'] == 'S') {
$inventory_options = db_get_fields("SELECT a.option_id FROM ?:product_options as a LEFT JOIN ?:product_global_option_links as c ON c.option_id = a.option_id WHERE (a.product_id = ?i OR c.product_id = ?i) AND a.status = 'A' AND a.inventory = 'Y'", $product_id, $product_id);
$sequential_completed = true;
if (!empty($inventory_options)) {
foreach ($inventory_options as $option_id) {
if (!isset($data['product_options'][$option_id]) || empty($data['product_options'][$option_id])) {
$sequential_completed = false;
break;
}
}
}
if (!$sequential_completed) {
fn_set_notification('E', __('error'), __('select_all_product_options'));
// Even if customer tried to add the product from the catalog page, we will redirect he/she to the detailed product page to give an ability to complete a purchase
$redirect_url = fn_url('products.view?product_id=' . $product_id . '&combination=' . fn_get_options_combination($data['product_options']));
$_REQUEST['redirect_url'] = $redirect_url;
//FIXME: Very very very BAD style to use the global variables in the functions!!!
return false;
}
}
if (!isset($cart['products'][$_id])) {
// If product doesn't exists in the cart
$amount = empty($data['original_amount']) ? fn_check_amount_in_stock($product_id, $amount, $data['product_options'], $_id, $data['is_edp'], 0, $cart, $update == true ? $key : 0) : $data['original_amount'];
if ($amount === false) {
continue;
}
$cart['products'][$_id]['product_id'] = $product_id;
$cart['products'][$_id]['product_code'] = fn_get_product_code($product_id, $data['product_options']);
$cart['products'][$_id]['product'] = fn_get_product_name($product_id);
$cart['products'][$_id]['amount'] = $amount;
$cart['products'][$_id]['product_options'] = $data['product_options'];
$cart['products'][$_id]['price'] = $price;
if (!empty($zero_price_action) && $zero_price_action == 'A') {
if (isset($custom_user_price)) {
$cart['products'][$_id]['custom_user_price'] = $custom_user_price;
} elseif (isset($cart['products'][$key]['custom_user_price'])) {
$cart['products'][$_id]['custom_user_price'] = $cart['products'][$key]['custom_user_price'];
}
}
$cart['products'][$_id]['stored_price'] = $data['stored_price'];
// add image for minicart
$cart['products'][$_id]['main_pair'] = fn_get_cart_product_icon($product_id, $data);
fn_define_original_amount($product_id, $_id, $cart['products'][$_id], $data);
if ($update == true && $key != $_id) {
fn_delete_cart_product($cart, $key, false);
}
} else {
// If product is already exist in the cart
$_initial_amount = empty($cart['products'][$_id]['original_amount']) ? $cart['products'][$_id]['amount'] : $cart['products'][$_id]['original_amount'];
// If ID changed (options were changed), summ the total amount of old and new products
if ($update == true && $key != $_id) {
$amount += $_initial_amount;
fn_delete_cart_product($cart, $key, false);
}
$cart['products'][$_id]['amount'] = fn_check_amount_in_stock($product_id, ($update == true ? 0 : $_initial_amount) + $amount, $data['product_options'], $_id, !empty($data['is_edp']) && $data['is_edp'] == 'Y' ? 'Y' : 'N', 0, $cart, $update == true ? $key : 0);
}
$cart['products'][$_id]['extra'] = empty($data['extra']) ? array() : $data['extra'];
$cart['products'][$_id]['stored_discount'] = @$data['stored_discount'];
if (defined('ORDER_MANAGEMENT')) {
$cart['products'][$_id]['discount'] = @$data['discount'];
}
// Increase product popularity
if (empty($_SESSION['products_popularity']['added'][$product_id])) {
$_data = array('product_id' => $product_id, 'added' => 1, 'total' => POPULARITY_ADD_TO_CART);
db_query("INSERT INTO ?:product_popularity ?e ON DUPLICATE KEY UPDATE added = added + 1, total = total + ?i", $_data, POPULARITY_ADD_TO_CART);
$_SESSION['products_popularity']['added'][$product_id] = true;
}
$company_id = db_get_field("SELECT company_id FROM ?:products WHERE product_id = ?i", $product_id);
$cart['products'][$_id]['company_id'] = $company_id;
if (!empty($data['saved_object_id'])) {
$cart['products'][$_id]['object_id'] = $data['saved_object_id'];
}
fn_set_hook('add_to_cart', $cart, $product_id, $_id);
$ids[$_id] = $product_id;
}
/**
* Change product data after adding product to cart
*
* @param array $product_data Product data
* @param array $cart Cart data
* @param array $auth Auth data
* @param bool $update Flag the determains if cart data are updated
*/
fn_set_hook('post_add_to_cart', $product_data, $cart, $auth, $update, $ids);
$cart['recalculate'] = true;
if (!empty($cart['chosen_shipping'])) {
$cart['calculate_shipping'] = true;
unset($cart['product_groups']);
}
return $ids;
} else {
return false;
}
}
}
}
fn_update_exceptions($_REQUEST['product_id']);
$suffix = ".exceptions?product_id={$_REQUEST['product_id']}";
}
if ($mode == 'm_delete_exceptions') {
db_query("DELETE FROM ?:product_options_exceptions WHERE exception_id IN (?n)", $_REQUEST['exception_ids']);
$suffix = ".exceptions?product_id={$_REQUEST['product_id']}";
}
}
if ($mode == 'add_combinations') {
if (is_array($_REQUEST['add_inventory'])) {
foreach ($_REQUEST['add_inventory'] as $k => $v) {
$combination_hash = fn_generate_cart_id($_REQUEST['product_id'], array('product_options' => $_REQUEST['add_options_combination'][$k]));
$combination = fn_get_options_combination($_REQUEST['add_options_combination'][$k]);
$product_code = fn_get_product_code($_REQUEST['product_id'], $_REQUEST['add_options_combination'][$k]);
$_data = array('product_id' => $_REQUEST['product_id'], 'combination_hash' => $combination_hash, 'combination' => $combination, 'product_code' => !empty($product_code) ? $product_code : '');
$_data = fn_array_merge($v, $_data);
db_query("REPLACE INTO ?:product_options_inventory ?e", $_data);
}
}
$suffix = ".inventory?product_id={$_REQUEST['product_id']}";
}
if ($mode == 'update_combinations') {
// Updating images
fn_attach_image_pairs('combinations', 'product_option', 0, CART_LANGUAGE, array());
$inventory = db_get_hash_array("SELECT * FROM ?:product_options_inventory WHERE product_id = ?i", 'combination_hash', $_REQUEST['product_id']);
foreach ($inventory as $i) {
$inventory_ids[] = $i['combination_hash'];
}
fn_attach_aditional_image_pairs('product_option_add_additional', 'product_option', 0, CART_LANGUAGE, $inventory_ids);
/**
* Updates/Creates options combination
*
* @param array $combination_data Combination data
* @param string $combination_hash Combination hash
* @return string Combination hash
*/
function fn_update_option_combination($combination_data, $combination_hash = 0)
{
/**
* Change parameters for updating options combination
*
* @param array $combination_data Combination data
* @param string $combination_hash Combination hash
*/
fn_set_hook('update_option_combination_pre', $combination_data, $combination_hash);
$inventory_amount = db_get_field('SELECT amount FROM ?:product_options_inventory WHERE combination_hash = ?s', $combination_hash);
if (empty($combination_hash)) {
$combination_hash = fn_generate_cart_id($combination_data['product_id'], array('product_options' => $combination_data['combination']));
$combination = fn_get_options_combination($combination_data['combination']);
$product_code = fn_get_product_code($combination_data['product_id'], $combination_data['combination']);
$_data = array('product_id' => $combination_data['product_id'], 'combination_hash' => $combination_hash, 'combination' => $combination, 'product_code' => !empty($product_code) ? $product_code : '', 'amount' => !empty($combination_data['amount']) ? $combination_data['amount'] : 0, 'position' => !empty($combination_data['position']) ? $combination_data['position'] : 0);
db_query("REPLACE INTO ?:product_options_inventory ?e", $_data);
} else {
// Forbid to update options in the existing combination. Only qty/code/pos.
unset($combination_data['combination']);
db_query("UPDATE ?:product_options_inventory SET ?u WHERE combination_hash = ?s", $combination_data, $combination_hash);
}
if (isset($combination_data['amount']) && $combination_data['amount'] > 0 && $inventory_amount <= 0) {
fn_send_product_notifications($combination_data['product_id']);
}
// Updating images
fn_attach_image_pairs('combinations', 'product_option');
/**
* Makes extra actions after updating options combination
*
* @param array $combination_data Combination data
* @param string $combination_hash Combination hash
* @param int $inventory_amount Previous (before update) inventory amount of the combination
*/
fn_set_hook('update_option_combination_pre', $combination_data, $combination_hash, $inventory_amount);
return $combination_hash;
}
