/**
* @remove ALL items from cart and delete total as well
* @access public
* @return bool
*/
public function delete_cart()
{
EE_Registry::instance()->load_helper('Line_Item');
$deleted = EEH_Line_Item::delete_all_child_items($this->_grand_total);
if ($deleted) {
$deleted += $this->_grand_total->delete();
}
return $deleted;
}
/**
* Deletes ALL children of the passed line item
*
* @param EE_Line_Item $parent_line_item
* @return bool
*/
public static function delete_all_child_items(EE_Line_Item $parent_line_item)
{
$deleted = 0;
foreach ($parent_line_item->children() as $child_line_item) {
if ($child_line_item instanceof EE_Line_Item) {
$deleted += EEH_Line_Item::delete_all_child_items($child_line_item);
if ($child_line_item->ID()) {
$child_line_item->delete();
unset($child_line_item);
} else {
$parent_line_item->delete_child_line_item($child_line_item->code());
}
$deleted++;
}
}
return $deleted;
}
/**
* @remove ALL items from cart and delete total as well
* @access public
* @return bool
*/
public function delete_cart()
{
$deleted = EEH_Line_Item::delete_all_child_items($this->_grand_total);
if ($deleted) {
$deleted += $this->_grand_total->delete();
$this->_grand_total = null;
}
return $deleted;
}
/**
* If this line item has been saved to the DB, deletes its child with LIN_code == $code. If this line
* HAS NOT been saved to the DB, removes the child line item with index $code.
* Also searches through the child's children for a matching line item. However, once a line item has been found
* and deleted, stops searching (so if there are line items with duplicate codes, only the first one found will be deleted)
* @param string $code
* @param bool $stop_search_once_found
* @return int count of items deleted (or simply removed from the line item's cache, if not has not been saved to the DB yet)
*/
function delete_child_line_item($code, $stop_search_once_found = true)
{
if ($this->ID()) {
$items_deleted = 0;
if ($this->code() == $code) {
$items_deleted += EEH_Line_Item::delete_all_child_items($this);
$items_deleted += intval($this->delete());
if ($stop_search_once_found) {
return $items_deleted;
}
}
foreach ($this->children() as $child_line_item) {
$items_deleted += $child_line_item->delete_child_line_item($code, $stop_search_once_found);
}
return $items_deleted;
} else {
if (isset($this->_children[$code])) {
unset($this->_children[$code]);
return 1;
} else {
return 0;
}
}
}
