/**
* Creates a new, unsaved line item, but if it's a ticket line item
* with a total of 0, or a subtotal of 0, returns null instead
* @param EE_Line_Item $line_item
* @return EE_Line_Item
*/
public static function non_empty_line_item(EE_Line_Item $line_item)
{
if ($line_item->type() === EEM_Line_Item::type_line_item && $line_item->OBJ_type() === 'Ticket' && $line_item->quantity() == 0) {
return null;
}
$new_li_fields = $line_item->model_field_array();
//don't set the total. We'll leave that up to the code that calculates it
unset($new_li_fields['LIN_ID']);
unset($new_li_fields['LIN_parent']);
return EE_Line_Item::new_instance($new_li_fields);
}
