/**
* Extends the parent constructor to overwrite with variable data
*
* @param int ID of the product to load
* @return object
*/
public function __construct($ID)
{
// Setup the product
$parent_id = wp_get_post_parent_id($ID);
parent::__construct($parent_id);
// Get the meta & for each meta item overwrite with the variations ID
$meta = get_post_custom($ID);
$variable_stock = 0;
foreach ($meta as $key => $array) {
if ($array[0]) {
$this->meta[$key] = $array;
}
if ($key == 'sku') {
if (empty($array[0])) {
$tempsku = $ID;
}
}
if ($key == 'stock') {
// if no value then parent stock value is used for variation stock tracking
// otherwise the variation stock even if '0' as that is a value, is used
if ($array[0] == '') {
$variable_stock = '-9999999';
} else {
$variable_stock = $array[0];
}
}
}
// Merge with the variation data
$this->variation_id = $ID;
if (isset($this->meta['variation_data'][0])) {
$this->variation_data = maybe_unserialize($this->meta['variation_data'][0]);
}
$sale_from = $this->sale_price_dates_from;
$sale_to = $this->sale_price_dates_to;
parent::__construct($ID);
// Restore the parent ID
$this->ID = $parent_id;
$this->id = $parent_id;
if (!empty($tempsku)) {
$this->sku = $tempsku;
}
$this->sale_price_dates_from = $sale_from;
$this->sale_price_dates_to = $sale_to;
// signal parent stock tracking or variation stock tracking
$this->stock = $variable_stock == '-9999999' ? $variable_stock : $this->stock;
return $this;
}
