WebformEntityPrintAttachment.php in Webform 8.5
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modules/webform_entity_print_attachment/src/Element/WebformEntityPrintAttachment.php
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<?php
namespace Drupal\webform_entity_print_attachment\Element;
use Drupal\webform\WebformSubmissionInterface;
use Drupal\webform_attachment\Element\WebformAttachmentBase;
class WebformEntityPrintAttachment extends WebformAttachmentBase {
public function getInfo() {
return parent::getInfo() + [
'#view_mode' => 'html',
'#export_type' => 'pdf',
'#template' => '',
];
}
public static function getFileContent(array $element, WebformSubmissionInterface $webform_submission) {
$print_engine_manager = \Drupal::service('plugin.manager.entity_print.print_engine');
$print_builder = \Drupal::service('entity_print.print_builder');
\Drupal::request()->request
->set('_webform_entity_print', TRUE);
$view_mode = isset($element['#view_mode']) ? $element['#view_mode'] : 'html';
if ($view_mode === 'twig') {
$webform_submission->_webform_view_mode_twig = $element['#template'];
}
\Drupal::request()->request
->set('_webform_submissions_view_mode', $view_mode);
$scheme = 'temporary';
$file_name = 'webform-entity-print-attachment--' . $webform_submission
->getWebform()
->id() . '-' . $webform_submission
->id() . '.pdf';
$export_type_id = static::getExportTypeId($element);
$print_engine = $print_engine_manager
->createSelectedInstance($export_type_id);
$temporary_file_path = $print_builder
->savePrintable([
$webform_submission,
], $print_engine, $scheme, $file_name);
if ($temporary_file_path) {
$contents = file_get_contents($temporary_file_path);
\Drupal::service('file_system')
->delete($temporary_file_path);
}
else {
$context = [
'@filename' => $file_name,
];
\Drupal::logger('webform_entity_print')
->error("Unable to generate '@filename'.", $context);
$contents = '';
}
return $contents;
}
public static function getFileName(array $element, WebformSubmissionInterface $webform_submission) {
if (empty($element['#filename'])) {
return $element['#webform_key'] . '.' . static::getExportTypeFileExtension($element);
}
else {
return parent::getFileName($element, $webform_submission);
}
}
protected static function getExportTypeId(array $element) {
if (isset($element['#export_type'])) {
return $element['#export_type'];
}
else {
list(, $export_type_id) = explode(':', $element['#type']);
return $export_type_id;
}
}
protected static function getExportTypeFileExtension(array $element) {
$export_type_manager = \Drupal::service('plugin.manager.entity_print.export_type');
$export_type_id = static::getExportTypeId($element);
$definition = $export_type_manager
->getDefinition($export_type_id);
return $definition['file_extension'];
}
}