/**
* Warning: this is a copy-paste from testGetFinalPrice(), but the method has different interface
*/
public function testGetChildFinalPrice()
{
$product = new Mage_Catalog_Model_Product();
$product->load(1);
// fixture
// regular & tier prices
$this->assertEquals(10.0, $this->_model->getChildFinalPrice('', '', $product, 1));
$this->assertEquals(8.0, $this->_model->getChildFinalPrice('', '', $product, 2));
$this->assertEquals(5.0, $this->_model->getChildFinalPrice('', '', $product, 5));
// with options
$product->addCustomOption('option_ids', implode(',', array_keys($product->getOptions())));
foreach ($product->getOptions() as $id => $option) {
$product->addCustomOption("option_{$id}", $option->getValue());
}
$this->assertEquals(13.0, $this->_model->getChildFinalPrice('', '', $product, 1));
}
/**
* @param Mage_Catalog_Model_Product $product
* @param float $productQty
* @param Mage_Catalog_Model_Product $childProduct
* @param float $childProductQty
*
* @return float
*/
public function getChildFinalPrice($product, $productQty, $childProduct, $childProductQty)
{
// Bail if the parameters are unexpected and let the core code handle (or fail)
if (!$product instanceof Mage_Catalog_Model_Product || !$childProduct instanceof Mage_Catalog_Model_Product) {
return parent::getChildFinalPrice($product, $productQty, $childProduct, $childProductQty);
}
// If the parent product type is unexpected then bail and let core handle
$type = $product->getTypeInstance(true);
if (!$type instanceof OpenMage_KittedProduct_Model_Product_Type) {
return parent::getChildFinalPrice($product, $productQty, $childProduct, $childProductQty);
}
// Calculate the normal, unadjusted linked items total
$calculatedTotal = 0.0;
foreach ($type->getAssociatedProducts($product, false) as $associatedProduct) {
$calculatedTotal += $associatedProduct->getPrice() * $associatedProduct->getQty();
}
// Generate a child price multiplier
$priceMultiplier = $calculatedTotal > 0.0 ? $product->getPrice() / $calculatedTotal : 1.0;
// Generate the normal final price
$finalPrice = $childProduct->getFinalPrice($childProductQty);
// Multiply the final price by the multiplier to get the adjusted final price
$finalPrice *= $priceMultiplier;
// Round the final price
$finalPrice = $product->getStore()->roundPrice($finalPrice);
return $finalPrice;
}
