/**
* @param \Drupal\file\FileInterface $file
* @param \Drupal\fillpdf\FillPdfFormInterface $existing_form
* @return array
*/
public function attachPdfToForm(FileInterface $file, FillPdfFormInterface $existing_form = NULL) {
$this->saveFileUpload($file);
if ($existing_form) {
$fillpdf_form = $existing_form;
$fillpdf_form->file = $file;
}
else {
$fillpdf_form = FillPdfForm::create([
'file' => $file,
'title' => $file->filename,
'scheme' => $this->config('fillpdf.settings')->get('scheme'),
]);
}
// Save PDF configuration before parsing.
$fillpdf_form->save();
$config = $this->config('fillpdf.settings');
$fillpdf_service = $config->get('backend');
/** @var FillPdfBackendPluginInterface $backend */
$backend = $this->backendManager->createInstance($fillpdf_service, $config->get());
// Attempt to parse the fields in the PDF.
$fields = $backend->parse($fillpdf_form);
$form_fields = [];
foreach ((array) $fields as $arr) {
if ($arr['type']) { // Don't store "container" fields
// pdftk sometimes inserts random � markers - strip these out.
// NOTE: This may break forms that actually DO contain this pattern,
// but 99%-of-the-time functionality is better than merge failing due
// to improper parsing.
$arr['name'] = str_replace('�', '', $arr['name']);
$field = FillPdfFormField::create(
[
'fillpdf_form' => $fillpdf_form,
'pdf_key' => $arr['name'],
'value' => '',
]
);
$form_fields[] = $field;
}
}
// Save the fields that were parsed out (if any). If none were, set a
// warning message telling the user that.
foreach ($form_fields as $fillpdf_form_field) {
/** @var FillPdfFormField $fillpdf_form_field */
$fillpdf_form_field->save();
}
return ['form' => $fillpdf_form, 'fields' => $form_fields];
}
public function getFormFields(FillPdfFormInterface $fillpdf_form) {
return FillPdfFormField::loadMultiple(
$this->entityQuery->get('fillpdf_form_field')
->condition('fillpdf_form', $fillpdf_form->id())
->execute());
}
