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Clean cache for categories on stock change for variants #281

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Clean cache for categories on stock change for variants #281

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c4fbd37
Clean cache for categories on stock change for variants
Jan 17, 2017
1074363
Fixed to coding standard
Jan 17, 2017
884fe20
Code restructuring
Feb 21, 2017
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55 changes: 53 additions & 2 deletions app/code/community/Lesti/Fpc/Model/Observer/Save.php
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Original file line number Diff line number Diff line change
Expand Up @@ -26,8 +26,8 @@ public function catalogProductSaveAfter($observer)
if ($this->_getFpc()->isActive()) {
$product = $observer->getEvent()->getProduct();
if ($product->getId()) {
$this->_getFpc()->clean(sha1('product_' . $product->getId()));

$tags = $this->_getAllProductTags($product);
$this->_getFpc()->clean($tags);
$origData = $product->getOrigData();
if (empty($origData)
|| (!empty($origData) && $product->dataHasChangedFor('status'))
Expand Down Expand Up @@ -156,4 +156,55 @@ protected function _catalogProductSaveAfterMassAction(array $productIds)
$this->_getFpc()->clean($tags);
}
}

/**
* @param Mage_Catalog_Model_Product $product
*/
protected function _getAllProductTags($product)
{
$tags = array();
if (!is_object($product) || !$product->getId()) {
return $tags;
}

$tags[] = sha1('product_' . $product->getId());
$stockItem = $product->getStockItem();
$parentIds = Mage::getModel('catalog/product_type_configurable')
->getParentIdsByChild($product->getId());
// Clean tag for partner products, if any
foreach ($parentIds as $pid) {
$tags[] = sha1('product_' . $pid);
}

if ($parentIds) {
// Clean cache for categories on parent products if stock has changed for simple products
if ($stockItem && $stockItem->dataHasChangedFor('is_in_stock')) {
foreach ($this->_getCategories($parentIds) as $catId) {
$tags[] = sha1('category_' . $catId);
}
}
}

return $tags;
}

/**
* @param array $producIds
*/
protected function _getCategories($productIds)
{
if (!is_array($productIds)) {
$productIds = array($productIds);
}

$catRes = Mage::getResourceModel('catalog/category');
$table = $catRes->getTable('catalog/category_product');
$conn = $catRes->getReadConnection();

$query = $conn->select()->from($table, array('category_id'))->where('product_id IN (?)', $productIds);
$results = $conn->fetchCol($query);

return $results;
}

}