/**
* Get purchase_list
* Get a list of products that needs to be delivered and are not in stock
*
* @access public
* @return array $products
*/
public function get_purchase_list()
{
$delivery_items = \Skeleton\Package\Delivery\Item::get_undelivered();
$to_deliver = [];
foreach ($delivery_items as $delivery_item) {
if (!isset($to_deliver[$delivery_item->deliverable_object_classname . '-' . $delivery_item->deliverable_object_id])) {
$to_deliver[$delivery_item->deliverable_object_classname . '-' . $delivery_item->deliverable_object_id] = 0;
}
$to_deliver[$delivery_item->deliverable_object_classname . '-' . $delivery_item->deliverable_object_id]++;
}
foreach ($this->get_backorder() as $purchase_order_item) {
$product = $purchase_order_item->get_stock_object();
if (!isset($to_deliver[get_class($product) . '-' . $product->id])) {
continue;
}
$backordered = $purchase_order_item->amount - $purchase_order_item->delivered;
$to_deliver[get_class($product) . '-' . $product->id] -= $backordered;
if ($to_deliver[get_class($product) . '-' . $product->id] < 0) {
unset($to_deliver[get_class($product) . '-' . $product->id]);
}
}
$purchase_list = [];
foreach ($to_deliver as $key => $count) {
list($classname, $id) = explode('-', $key);
$class = $classname::get_by_id($id);
$supplier = self::get_for_object($class);
if ($supplier === null) {
continue;
}
if ($supplier->id != $this->id) {
continue;
}
$stock = Stock::get($class);
if ($stock > $count) {
continue;
}
$to_deliver_count = $count - $stock;
for ($i = 1; $i <= $to_deliver_count; $i++) {
$purchase_list[] = $class;
}
}
return $purchase_list;
}
