public static function create(array $attributes)
{
$purchase_id = array_get($attributes, 'purchase_id');
$product_id = array_get($attributes, 'product_id');
if (!$purchase_id or !$product_id) {
return null;
}
$first = \App\Models\ProductInPurchaseModel::where('purchase_id', '=', $purchase_id)->where('product_id', '=', $product_id)->first();
if ($first) {
return null;
}
return parent::create($attributes);
}
