/**
* Creates a data transformer chain by consuming data found a profile.
* The $dataUserOptions is an object that will return info for the output file structure - tree or flat.
*
* @param \Shopware\Components\SwagImportExport\Profile\Profile $profile
* @param array $dataUserOptions
* @return \Shopware\Components\SwagImportExport\Transformers\DataTransformerChain
*/
public function createDataTransformerChain($profile, $dataUserOptions)
{
// this can be put in a separate hookable function
$dataTransformerChain = new DataTransformerChain();
// for every config we create a transformer and add it to the chain
$names = $profile->getConfigNames();
foreach ($names as $name) {
$config = $profile->getConfig($name);
$transformer = $this->createDataTransformer($name, $config);
$dataTransformerChain->add($transformer);
}
// a little hack: if we are in csv, we flatten the tree by adding a flattener at the end
if (!$dataUserOptions['isTree']) {
$transformer = $this->createDataTransformer('flatten', $profile->getConfig('tree'));
$dataTransformerChain->add($transformer);
}
return $dataTransformerChain;
}
/**
* @param $postData
* @param $inputFile
* @return mixed
* @throws \Exception
*/
public function import($postData, $inputFile)
{
$tree = json_decode($this->profile->getConfig("tree"), true);
if ($postData['format'] === 'xml') {
$this->fileIO->setTree($tree);
}
if ($this->dataIO->getSessionState() == 'new') {
$totalCount = $this->fileIO->getTotalCount($inputFile);
$this->dataIO->setFileName($postData['importFile']);
$this->dataIO->setFileSize(filesize($inputFile));
$this->dataIO->getDataSession()->setTotalCount($totalCount);
$this->dataIO->startSession($this->profile);
} else {
// session has already loaded ids and some position, so we simply activate it
$this->dataIO->resumeSession();
}
$this->dataIO->usernameSession();
if ($this->dataIO->getSessionState() == 'active') {
//get current session position
$batchSize = (int) $postData['batchSize'];
$position = $this->dataIO->getSessionPosition();
$records = $this->fileIO->readRecords($inputFile, $position, $batchSize);
$data = $this->transformerChain->transformBackward($records);
$defaultValues = $this->profile->getDefaultValues($tree);
//inserts/update data into the database
$this->dataIO->write($data, $defaultValues);
//writes into database log table
$profileName = $this->profile->getName();
$this->dataIO->writeLog($inputFile, $profileName);
$this->dataIO->progressSession($batchSize);
//gets unprocessed data from the adapter
$postData['unprocessedData'] = $this->dataIO->getUnprocessedData();
}
if ($this->dataIO->getSessionState() == 'finished') {
$this->dataIO->closeSession();
}
$postData['position'] = $this->dataIO->getSessionPosition();
if (!$postData['sessionId']) {
$postData['sessionId'] = $this->dataIO->getDataSession()->getId();
}
return $postData;
}
/**
* @param Profile $profile
* @param $format
* @return FileReader
*/
private function createFileReader(Profile $profile, $format)
{
$fileReader = $this->fileIOFactory->createFileReader($format);
if ($format === 'xml') {
$tree = json_decode($profile->getConfig("tree"), true);
$fileReader->setTree($tree);
}
return $fileReader;
}
