/**
* @brief Delete this orderdetails incl. all their pricedetails
*
* @throws Exception if there was an error
*/
public function delete()
{
try {
$transaction_id = $this->database->begin_transaction();
// start transaction
// Delete all Pricedetails
$all_pricedetails = array_reverse($this->get_pricedetails());
// the last one must be deleted first!
$this->reset_attributes();
// set $this->pricedetails to NULL
foreach ($all_pricedetails as $pricedetails) {
$pricedetails->delete();
}
// Check if this Orderdetails is the Part's selected Orderdetails for ordering and delete this reference if neccessary
$order_orderdetails = $this->get_part()->get_order_orderdetails();
if (is_object($order_orderdetails) && $order_orderdetails->get_id() == $this->get_id()) {
$this->get_part()->set_order_orderdetails_id(NULL);
} else {
$this->get_part()->set_attributes(array());
}
// save part attributes to update its "last_modified"
// now we can delete this orderdetails
parent::delete();
$this->database->commit($transaction_id);
// commit transaction
} catch (Exception $e) {
$this->database->rollback();
// rollback transaction
// restore the settings from BEFORE the transaction
$this->reset_attributes();
throw new Exception("Die Einkaufsinformationen konnten nicht gelöscht werden!\nGrund: " . $e->getMessage());
}
}
/**
* @brief Delete this pricedetails record
*
* @warning The pricedetails with "min_discount_quantity == 1" cannot be deleted
* if there are already other pricedetails! If you want to delete all
* pricedetails, you have to delete all other pricedetails first!
*
* @throws Exception if it is not allowed to delete this pricedetails
* @throws Exception if there was an error
*/
public function delete()
{
// Check if it is allowed to delete this pricedetails
if ($this->get_min_discount_quantity() == 1) {
$orderdetails = $this->get_orderdetails();
$all_pricedetails = $orderdetails->get_pricedetails();
if (count($all_pricedetails) > 1) {
throw new Exception('Die ausgewählte Preisinformation kann erst gelöscht werden ' . 'wenn es sonst keine weiteren Preisinformationen gibt!');
}
}
// save orderdetails attributes to update its "last_modified" and "last_modified" of the part
$this->get_orderdetails()->set_attributes(array());
// now we can delete this orderdetails
parent::delete();
}
