/**
* Recollect quote totals to update amounts based on newly received tax
* data. This collect totals call is expected to happen recursively within
* collect totals. The flags in eb2ccore/session are expected to prevent
* going beyond a single recursive call to collect totals. As an additional
* precaution, a lock is also used to prevent unexpected recursion.
*
* @param Mage_Sales_Model_Quote
* @return Mage_Sales_Model_Quote
*/
protected function recollectTotals(Mage_Sales_Model_Quote $quote)
{
// Guard against unexpected recursion. Session flags should prevent
// this but need to be sure this can't trigger infinite recursion.
// If the lock is free (set to false), expect to not be within a recursive
// collectTotals triggered by taxes.
if (!self::$lockRecollectTotals) {
// Acquire the lock prior to triggering the recursion. Prevents taxes
// from being able to trigger further recursion.
self::$lockRecollectTotals = true;
$quote->collectTotals();
// Free the lock once we're clear of the recursive collectTotals.
self::$lockRecollectTotals = false;
} else {
// Do not expect further recursive attempts to occur. Something
// would be potentially wrong with the session flags if it does.
$this->logger->warning('Attempted to recollect totals for taxes during a recursive collection. Additional collection averted to prevent further recursion.', $this->logContext->getMetaData(__CLASS__));
}
return $quote;
}
