/**
* @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];
}
/**
* {@inheritDoc}
*/
public function parseLink(Url $link) {
$query = $link->getOption('query');
if (!$query) {
throw new \InvalidArgumentException('The \Drupal\Core\Url you pass in must
have its \'query\' option set.');
}
$request_context = [
'entity_ids' => NULL,
'fid' => NULL,
'sample' => NULL,
'force_download' => FALSE,
'flatten' => TRUE,
];
if (!empty($query['sample'])) {
$sample = TRUE;
}
// Is this just the PDF populated with sample data?
$request_context['sample'] = $sample;
if (!empty($query['fid'])) {
$request_context['fid'] = $query['fid'];
}
else {
throw new \InvalidArgumentException('fid parameter missing from query
string; cannot determine how to proceed, so failing.');
}
if (!empty($query['entity_type'])) {
$request_context['entity_type'] = $query['entity_type'];
}
$request_context['entity_ids'] = $entity_ids = [];
if (!empty($query['entity_id']) || !empty($query['entity_ids'])) {
$entity_ids = (!empty($query['entity_id']) ? [$query['entity_id']] : $query['entity_ids']);
// Re-key entity IDs so they can be loaded easily with loadMultiple().
// If we have type information, add it to the types array, and remove it
// in order to make sure we only store the ID in the entity_ids key.
foreach ($entity_ids as $entity_id) {
$entity_id_parts = explode(':', $entity_id);
if (count($entity_id_parts) == 2) {
$entity_type = $entity_id_parts[0];
$entity_id = $entity_id_parts[1];
}
elseif (!empty($request_context['entity_type'])) {
$entity_type = $request_context['entity_type'];
}
else {
$entity_type = 'node';
}
$request_context['entity_ids'] += [
$entity_type => [],
];
$request_context['entity_ids'][$entity_type][$entity_id] = $entity_id;
}
}
else {
// Populate defaults.
$fillpdf_form = FillPdfForm::load($request_context['fid']);
$default_entity_id = $fillpdf_form->default_entity_id->value;
if ($default_entity_id) {
$default_entity_type = $fillpdf_form->default_entity_type->value;
if (empty($default_entity_type)) {
$default_entity_type = 'node';
}
$request_context['entity_ids'] = [
$default_entity_type => [$default_entity_id => $default_entity_id],
];
}
}
// We've processed the shorthand forms, so unset them.
unset($request_context['entity_id'], $request_context['entity_type']);
if (!$query['download'] && (int) $query['download'] == 1) {
$request_context['force_download'] = TRUE;
}
if ($query['flatten'] && (int) $query['flatten'] == 0) {
$request_context['flatten'] = FALSE;
}
return $request_context;
}
