/**
* Write Data into File
*
* @param bool $callback
* @return string
*/
protected function _writeFile($callback = false)
{
$name = md5(microtime());
$file = TESTS_TEMP_DIR . '/' . $name . '.xml';
$stream = new \Magento\Framework\Filesystem\File\Write($file, new \Magento\Framework\Filesystem\Driver\File(), 'w+');
$stream->lock();
if (!$callback) {
$convert = new \Magento\Framework\Convert\Excel(new \ArrayIterator($this->_testData));
$convert->setDataHeader($this->_testHeader);
$convert->setDataFooter($this->_testFooter);
} else {
$convert = new \Magento\Framework\Convert\Excel(new \ArrayIterator($this->_testData), [$this, 'callbackMethod']);
}
$convert->write($stream);
$stream->unlock();
$stream->close();
return $file;
}
/**
* Retrieve a file container array by grid data as MS Excel 2003 XML Document
*
* Return array with keys type and value
*
* @param string $sheetName
* @return array
*/
public function getExcelFile($sheetName = '')
{
$this->_isExport = true;
$this->_prepareGrid();
$convert = new \Magento\Framework\Convert\Excel($this->getCollection()->getIterator(), [$this, 'getRowRecord']);
$name = md5(microtime());
$file = $this->_path . '/' . $name . '.xml';
$this->_directory->create($this->_path);
$stream = $this->_directory->openFile($file, 'w+');
$stream->lock();
$convert->setDataHeader($this->_getExportHeaders());
if ($this->getCountTotals()) {
$convert->setDataFooter($this->_getExportTotals());
}
$convert->write($stream, $sheetName);
$stream->unlock();
$stream->close();
return ['type' => 'filename', 'value' => $file, 'rm' => true];
}