/**
* when saving, update supply needs for product
*
*/
protected function _afterSave()
{
parent::_afterSave();
$productId = $this->getProductId();
//check if stock changed. If so, add a stock movement to
if ($this->getqty() != $this->getOrigData('qty')) {
//get product stock from stock movement to check if it is different
$stockMovementResult = mage::getModel('Purchase/Productstock')->ComputeProductStock($productId);
if ($this->getqty() != $stockMovementResult) {
//add stock movement
$diff = $this->getqty() - $stockMovementResult;
$model = mage::getModel('Purchase/StockMovement');
//Cree le movement
$model->setsm_product_id($productId)->setsm_qty($diff)->setsm_coef($model->GetTypeCoef('adjustment'))->setsm_description('')->setsm_type('adjustment')->setsm_date(date('Y-m-d'))->save();
}
}
//check if we have to update supply needs
$updateSupplyNeeds = false;
if ($this->getqty() != $this->getOrigData('qty')) {
$updateSupplyNeeds = true;
}
if ($this->getmin_qty() != $this->getOrigData('min_qty')) {
$updateSupplyNeeds = true;
}
if ($this->getuse_config_min_qty() != $this->getOrigData('use_config_min_qty')) {
$updateSupplyNeeds = true;
}
if ($this->getmanage_stock() != $this->getOrigData('manage_stock')) {
$updateSupplyNeeds = true;
}
if ($this->getuse_config_manage_stock() != $this->getOrigData('use_config_manage_stock')) {
$updateSupplyNeeds = true;
}
if ($this->getnotify_stock_qty() != $this->getOrigData('notify_stock_qty')) {
$updateSupplyNeeds = true;
}
if ($this->getuse_config_notify_stock_qty() != $this->getOrigData('use_config_notify_stock_qty')) {
$updateSupplyNeeds = true;
}
if ($updateSupplyNeeds) {
Mage::dispatchEvent('purchase_update_supply_needs_for_product', array('product_id' => $productId, 'from' => 'stockitem aftersave'));
}
}
