/**
* Extract tax data from the tax response payload and store tax records,
* duties and fees.
*
* Extracts all three sets of tax data as each set of data can be retrieved
* from the same address parser. Extracting all three sets at once prevents
* nearly identical steps from being repeated for each ship group for each
* type of tax data.
*
* @return self
*/
protected function _extractTaxData()
{
// Each of these will hold an array of arrays of data extracted from each
// ship group - e.g. $taxRecords = [[$recordA, $recordB], [$recordC, $recordD]].
$taxRecords = [];
$duties = [];
$fees = [];
foreach ($this->_taxResponse->getShipGroups() as $shipGroup) {
$address = $this->_getQuoteAddressForShipGroup($shipGroup);
if ($address) {
$addressParser = $this->_taxFactory->createResponseAddressParser($shipGroup, $address);
$taxRecords[] = $addressParser->getTaxRecords();
$duties[] = $addressParser->getTaxDuties();
$fees[] = $addressParser->getTaxFees();
} else {
$this->_logger->warn('Tax response ship group does not relate to any known address.', $this->_logContext->getMetaData(__CLASS__, ['rom_response_body' => $shipGroup->serialize()]));
}
}
// Flatten each nested array of tax data - allows for a single array_merge
// instead of iteratively calling array_merge on each pass when extracting
// tax data for each ship group.
$this->_taxRecords = $this->_flattenArray($taxRecords);
$this->_taxDuties = $this->_flattenArray($duties);
$this->_taxFees = $this->_flattenArray($fees);
return $this;
}
