/**
* Validate rule
*
* @param int $promotion_id promotion ID
* @param array $promotion rule data
* @param array $data data array
* @param array $auth auth array (for cart rules)
* @param array $cart_products cart products array (for cart rules)
* @return bool true if rule can be applied, false - otherwise
*/
function fn_promotion_validate($promotion_id, $promotion, &$data, &$auth, &$cart_products)
{
$schema = fn_promotion_get_schema('conditions');
$stop_validating = false;
$result = true;
static $parent_orders = array();
fn_set_hook('pre_promotion_validate', $promotion_id, $promotion, $data, $stop_validating, $result, $auth, $cart_products);
if ($stop_validating) {
return $result;
}
if (empty($promotion['condition'])) {
// if promotion is unconditional, apply it
return true;
}
$promotion['value'] = !isset($promotion['value']) ? '' : $promotion['value'];
if (!empty($schema[$promotion['condition']])) {
$value = '';
$parent_order_value = '';
if (!empty($data['parent_order_id']) && empty($parent_orders[$data['parent_order_id']])) {
$parent_orders[$data['parent_order_id']] = array('cart' => array(), 'cart_products' => array(), 'product_groups' => array());
fn_form_cart($data['parent_order_id'], $parent_orders[$data['parent_order_id']]['cart'], $auth);
list($parent_orders[$data['parent_order_id']]['cart_products'], $parent_orders[$data['parent_order_id']]['product_groups']) = fn_calculate_cart_content($parent_orders[$data['parent_order_id']]['cart'], $auth);
}
// Ordinary field
if (!empty($schema[$promotion['condition']]['field'])) {
// Array definition, parse it
if (strpos($schema[$promotion['condition']]['field'], '@') === 0) {
$value = fn_promotion_get_object_value($schema[$promotion['condition']]['field'], $data, $auth, $cart_products);
} else {
// If field can be used in both zones, it means that we're using products
if (in_array('catalog', $schema[$promotion['condition']]['zones']) && in_array('cart', $schema[$promotion['condition']]['zones']) && !empty($cart_products)) {
// this is the "cart" zone. FIXME!!!
foreach ($cart_products as $v) {
if ($promotion['operator'] == 'nin') {
if (fn_promotion_validate_attribute($v[$schema[$promotion['condition']]['field']], $promotion['value'], 'in')) {
return false;
}
} else {
if (fn_promotion_validate_attribute($v[$schema[$promotion['condition']]['field']], $promotion['value'], $promotion['operator'])) {
return true;
}
}
}
return $promotion['operator'] == 'nin' ? true : false;
}
if (!isset($data[$schema[$promotion['condition']]['field']])) {
return false;
}
$value = $data[$schema[$promotion['condition']]['field']];
if (!empty($data['parent_order_id']) && !empty($parent_orders[$data['parent_order_id']]['cart'][$schema[$promotion['condition']]['field']])) {
$parent_order_value = $parent_orders[$data['parent_order_id']]['cart'][$schema[$promotion['condition']]['field']];
}
}
// Field is the result of function
} elseif (!empty($schema[$promotion['condition']]['field_function'])) {
$function_args = $schema[$promotion['condition']]['field_function'];
$function_name = array_shift($function_args);
$function_args_definitions = $function_args;
// If field can be used in both zones, it means that we're using products
if (in_array('catalog', $schema[$promotion['condition']]['zones']) && in_array('cart', $schema[$promotion['condition']]['zones']) && !empty($cart_products)) {
// this is the "cart" zone. FIXME!!!
foreach ($cart_products as $product) {
$function_args = $function_args_definitions;
foreach ($function_args as $k => $v) {
if (strpos($v, '@') !== false) {
$function_args[$k] =& fn_promotion_get_object_value($v, $product, $auth, $cart_products);
} elseif ($v == '#this') {
$function_args[$k] =& $promotion;
} elseif ($v == '#id') {
$function_args[$k] =& $promotion_id;
}
}
$value = call_user_func_array($function_name, $function_args);
if ($promotion['operator'] == 'nin') {
if (fn_promotion_validate_attribute($value, $promotion['value'], 'in')) {
return false;
}
} else {
if (fn_promotion_validate_attribute($value, $promotion['value'], $promotion['operator'])) {
return true;
}
}
}
return $promotion['operator'] == 'nin' ? true : false;
}
foreach ($function_args as $k => $v) {
if (strpos($v, '@') !== false) {
$function_args[$k] =& fn_promotion_get_object_value($v, $data, $auth, $cart_products);
} elseif ($v == '#this') {
$function_args[$k] =& $promotion;
} elseif ($v == '#id') {
$function_args[$k] =& $promotion_id;
}
}
$value = call_user_func_array($function_name, $function_args);
if (!empty($data['parent_order_id']) && !empty($parent_orders[$data['parent_order_id']])) {
$parent_p = $function_args_definitions;
foreach ($parent_p as $k => $v) {
if (strpos($v, '@') !== false) {
$parent_p[$k] =& fn_promotion_get_object_value($v, $parent_orders[$data['parent_order_id']]['cart'], $auth, $parent_orders[$data['parent_order_id']]['cart_products']);
} elseif ($v == '#this') {
$parent_p[$k] =& $promotion;
} elseif ($v == '#id') {
$parent_p[$k] =& $promotion_id;
}
}
$parent_order_value = call_user_func_array($function_name, $parent_p);
}
}
// Value is validated
$result = fn_promotion_validate_attribute($value, $promotion['value'], $promotion['operator']);
if ($parent_order_value) {
$result = $result || fn_promotion_validate_attribute($parent_order_value, $promotion['value'], $promotion['operator']);
}
return $result;
}
return false;
}
/**
* Validate rule
*
* @param int $promotion_id promotion ID
* @param array $promotion rule data
* @param array $data data array
* @param array $auth auth array (for cart rules)
* @param array $cart_products cart products array (for cart rules)
* @return bool true if rule can be applied, false - otherwise
*/
function fn_promotion_validate($promotion_id, $promotion, &$data, &$auth, &$cart_products)
{
$schema = fn_promotion_get_schema('conditions');
if (empty($promotion['condition'])) {
// if promotion is unconditional, apply it
return true;
}
$promotion['value'] = !isset($promotion['value']) ? '' : $promotion['value'];
if (!empty($schema[$promotion['condition']])) {
$value = '';
// Ordinary field
if (!empty($schema[$promotion['condition']]['field'])) {
// Array definition, parse it
if (strpos($schema[$promotion['condition']]['field'], '@') === 0) {
$value = fn_promotion_get_object_value($schema[$promotion['condition']]['field'], $data, $auth, $cart_products);
} else {
// If field can be used in both zones, it means that we're using products
if (in_array('catalog', $schema[$promotion['condition']]['zones']) && in_array('cart', $schema[$promotion['condition']]['zones']) && !empty($cart_products)) {
// this is the "cart" zone. FIXME!!!
foreach ($cart_products as $v) {
if (fn_promotion_validate_attribute($v[$schema[$promotion['condition']]['field']], $promotion['value'], $promotion['operator']) == true) {
return true;
}
}
return false;
}
if (!isset($data[$schema[$promotion['condition']]['field']])) {
return false;
}
$value = $data[$schema[$promotion['condition']]['field']];
}
// Field is the result of function
} elseif (!empty($schema[$promotion['condition']]['field_function'])) {
$p = $schema[$promotion['condition']]['field_function'];
$func = array_shift($p);
$p_orig = $p;
// If field can be used in both zones, it means that we're using products
if (in_array('catalog', $schema[$promotion['condition']]['zones']) && in_array('cart', $schema[$promotion['condition']]['zones']) && !empty($cart_products)) {
// this is the "cart" zone. FIXME!!!
foreach ($cart_products as $product) {
$p = $p_orig;
foreach ($p as $k => $v) {
if (strpos($v, '@') !== false) {
$p[$k] =& fn_promotion_get_object_value($v, $product, $auth, $cart_products);
} elseif ($v == '#this') {
$p[$k] =& $promotion;
} elseif ($v == '#id') {
$p[$k] =& $promotion_id;
}
}
$value = call_user_func_array($func, $p);
if (fn_promotion_validate_attribute($value, $promotion['value'], $promotion['operator'])) {
return true;
}
}
return false;
}
foreach ($p as $k => $v) {
if (strpos($v, '@') !== false) {
$p[$k] =& fn_promotion_get_object_value($v, $data, $auth, $cart_products);
} elseif ($v == '#this') {
$p[$k] =& $promotion;
} elseif ($v == '#id') {
$p[$k] =& $promotion_id;
}
}
$value = call_user_func_array($func, $p);
}
// Value is validated
return fn_promotion_validate_attribute($value, $promotion['value'], $promotion['operator']);
}
return false;
}