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<?php
namespace Drupal\webform_attachment\Element;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Render\Element\RenderElement;
use Drupal\Core\Url;
use Drupal\webform\WebformSubmissionForm;
use Drupal\webform\WebformSubmissionInterface;
abstract class WebformAttachmentBase extends RenderElement implements WebformAttachmentInterface {
public function getInfo() {
$class = get_class($this);
return [
'#filename' => '',
'#sanitize' => FALSE,
'#link_title' => '',
'#download' => FALSE,
'#trim' => FALSE,
'#process' => [
[
$class,
'processWebformAttachment',
],
[
$class,
'processAjaxForm',
],
],
'#theme_wrappers' => [
'form_element',
],
];
}
public static function processWebformAttachment(&$element, FormStateInterface $form_state, &$complete_form) {
$form_object = $form_state
->getFormObject();
if (!$form_object instanceof WebformSubmissionForm) {
$element['#access'] = FALSE;
return $element;
}
$webform_submission = $form_object
->getEntity();
if (!$webform_submission
->id() || !$webform_submission
->isCompleted()) {
$element['#access'] = FALSE;
return $element;
}
$element['link'] = static::getFileLink($element, $webform_submission);
return $element;
}
public static function getFileName(array $element, WebformSubmissionInterface $webform_submission) {
if (!empty($element['#filename'])) {
$token_manager = \Drupal::service('webform.token_manager');
$filename = $token_manager
->replace($element['#filename'], $webform_submission);
$filename = str_replace('/', '', $filename);
if (!empty($element['#sanitize'])) {
$transliteration = \Drupal::service('transliteration');
$language_manager = \Drupal::service('language_manager');
$langcode = $language_manager
->getCurrentLanguage()
->getId();
$extension = pathinfo($filename, PATHINFO_EXTENSION);
$basename = substr(pathinfo($filename, PATHINFO_BASENAME), 0, -strlen(".{$extension}"));
$basename = mb_strtolower($basename);
$basename = $transliteration
->transliterate($basename, $langcode, '-');
$basename = preg_replace('([^\\w\\s\\d\\-_~,;:\\[\\]\\(\\].]|[\\.]{2,})', '', $basename);
$basename = preg_replace('/\\s+/', '-', $basename);
$basename = trim($basename, '-');
$filename = $basename . '.' . $extension;
}
return $filename;
}
else {
return $element['#webform_key'] . '.txt';
}
}
public static function getFileMimeType(array $element, WebformSubmissionInterface $webform_submission) {
$file_mime_type_guesser = \Drupal::service('file.mime_type.guesser');
$file_name = static::getFileName($element, $webform_submission);
return $file_mime_type_guesser
->guess($file_name);
}
public static function getFileUrl(array $element, WebformSubmissionInterface $webform_submission) {
if (!$webform_submission
->id()) {
return NULL;
}
$route_name = 'entity.webform.user.submission.attachment';
$route_parameters = [
'webform' => $webform_submission
->getWebform()
->id(),
'webform_submission' => $webform_submission
->id(),
'element' => $element['#webform_key'],
'filename' => static::getFileName($element, $webform_submission),
];
$route_options = [
'absolute' => TRUE,
];
$url = Url::fromRoute($route_name, $route_parameters, $route_options);
return $url;
}
public static function getFileLink(array $element, WebformSubmissionInterface $webform_submission) {
$title = !empty($element['#link_title']) ? $element['#link_title'] : static::getFileName($element, $webform_submission);
$url = static::getFileUrl($element, $webform_submission);
return [
'#type' => 'link',
'#title' => $title,
'#url' => $url,
];
}
}