/**
* Return the cart total weight
* @param array $cart_items
* @return number
*/
function calcul_cart_weight($cart_items)
{
$cart_weight = 0;
if (!empty($cart_items)) {
foreach ($cart_items as $id_item => $cart_item) {
$id_item = wpshop_products::get_id_variation($id_item);
if (get_post_type($id_item) == WPSHOP_NEWTYPE_IDENTIFIER_PRODUCT_VARIATION) {
$product_data = get_post_meta($id_item, '_wpshop_product_metadata', true);
if (!empty($product_data) && !empty($product_data['product_weight'])) {
$cart_weight += $product_data['product_weight'] * $cart_item['item_qty'];
} else {
$parent_def = wpshop_products::get_parent_variation($id_item);
if (!empty($parent_def) && !empty($parent_def['parent_post_meta']) && !empty($parent_def['parent_post_meta']['product_weight'])) {
$cart_weight += $parent_def['parent_post_meta']['product_weight'] * $cart_item['item_qty'];
}
}
} else {
$product_data = get_post_meta($cart_item['item_id'], '_wpshop_product_metadata', true);
if (!empty($product_data) && !empty($product_data['product_weight']) && !empty($cart_item['item_qty'])) {
$cart_weight += $product_data['product_weight'] * $cart_item['item_qty'];
}
}
}
}
return $cart_weight;
}
