change logic stock status for visibility product view

Question

i would like to change logic visibility:status i want logic work like this

if any simple(child)product has qty > 0 Show product status in stock else show out of stock. My code is app/design/frontend/default/mythem/template/catalog/product/view/type/default.phtml

   <?php $_product = $this->getProduct() ?>
<div class="available_price">
    <?php if ($this->displayProductStockStatus()): ?>   
    <?php if((int) Mage::getModel('cataloginventory/stock_item')->loadByProduct($_product)->getQty() > 0): ?>
            <p class="availability in-stock"><?php echo $this->__('Availability:') ?> <span><?php echo $this->__('In stock') ?></span></p>
        <?php else: ?>
            <p class="availability out-of-stock"><?php echo $this->__('Availability:') ?> <span><?php echo $this->__('Out of stock') ?></span></p>
        <?php endif; ?>
    <?php endif; ?>

it logic working but issue is if configurable product has qty > 0 show out of stock.

i want this logic just work for simple(child products)

Answer 1

You can put product type condition with your qty check condition like,

<?php if($_product->isSalable()) : ?>  

This will display only simple products which has qty>0 as in stock.