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<?php
namespace Drupal\content_sync\Form;
use Drupal\Core\Archiver\ArchiveTar;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
class ContentImportForm extends FormBase {
public function getFormId() {
return 'content_import_form';
}
public function buildForm(array $form, FormStateInterface $form_state) {
$directory = content_sync_get_content_directory('sync');
$directory_is_writable = is_writable($directory);
if (!$directory_is_writable) {
$this
->logger('content_sync')
->error('The directory %directory is not writable.', [
'%directory' => $directory,
'link' => 'Import Archive',
]);
$this
->messenger()
->addError($this
->t('The directory %directory is not writable.', [
'%directory' => $directory,
]));
}
$form['import_tarball'] = [
'#type' => 'file',
'#title' => $this
->t('Configuration archive'),
'#description' => $this
->t('Allowed types: @extensions.', [
'@extensions' => 'tar.gz tgz tar.bz2',
]),
];
$form['submit'] = [
'#type' => 'submit',
'#value' => $this
->t('Upload'),
'#disabled' => !$directory_is_writable,
];
return $form;
}
public function validateForm(array &$form, FormStateInterface $form_state) {
$all_files = $this
->getRequest()->files
->get('files', []);
if (!empty($all_files['import_tarball'])) {
$file_upload = $all_files['import_tarball'];
if ($file_upload
->isValid()) {
$form_state
->setValue('import_tarball', $file_upload
->getRealPath());
return;
}
}
$form_state
->setErrorByName('import_tarball', $this
->t('The file could not be uploaded.'));
}
public function submitForm(array &$form, FormStateInterface $form_state) {
if ($path = $form_state
->getValue('import_tarball')) {
$directory = content_sync_get_content_directory('sync');
emptyDirectory($directory);
try {
$archiver = new ArchiveTar($path, 'gz');
$files = [];
foreach ($archiver
->listContent() as $file) {
$files[] = $file['filename'];
}
$archiver
->extractList($files, $directory);
$this
->messenger()
->addStatus($this
->t('Your content files were successfully uploaded'));
$this
->logger('content_sync')
->notice('Your content files were successfully uploaded', [
'link' => 'Import Archive',
]);
$form_state
->setRedirect('content.sync');
} catch (\Exception $e) {
$this
->messenger()
->addError($this
->t('Could not extract the contents of the tar file. The error message is <em>@message</em>', [
'@message' => $e
->getMessage(),
]));
$this
->logger('content_sync')
->error('Could not extract the contents of the tar file. The error message is <em>@message</em>', [
'@message' => $e
->getMessage(),
'link' => 'Import Archive',
]);
}
drupal_flush_all_caches();
unlink($path);
}
}
}
function emptyDirectory($dirname, $self_delete = false) {
if (is_dir($dirname)) {
$dir_handle = opendir($dirname);
}
if (!$dir_handle) {
return false;
}
while ($file = readdir($dir_handle)) {
if ($file != "." && $file != "..") {
if (!is_dir($dirname . "/" . $file)) {
@unlink($dirname . "/" . $file);
}
else {
emptyDirectory($dirname . '/' . $file, true);
}
}
}
closedir($dir_handle);
if ($self_delete) {
@rmdir($dirname);
}
return true;
}