public function FileTestSaveUploadFromForm::validateForm in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/file/tests/file_test/src/Form/FileTestSaveUploadFromForm.php \Drupal\file_test\Form\FileTestSaveUploadFromForm::validateForm()
2. 10 core/modules/file/tests/file_test/src/Form/FileTestSaveUploadFromForm.php \Drupal\file_test\Form\FileTestSaveUploadFromForm::validateForm()

Form validation handler.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Overrides FormBase::validateForm

File

core/modules/file/tests/file_test/src/Form/FileTestSaveUploadFromForm.php, line 125

Class

FileTestSaveUploadFromForm

File test form class.

Namespace

Drupal\file_test\Form

Code

public function validateForm(array &$form, FormStateInterface $form_state) {

  // Process the upload and perform validation. Note: we're using the
  // form value for the $replace parameter.
  if (!$form_state
    ->isValueEmpty('file_subdir')) {
    $destination = 'temporary://' . $form_state
      ->getValue('file_subdir');
    \Drupal::service('file_system')
      ->prepareDirectory($destination, FileSystemInterface::CREATE_DIRECTORY);
  }
  else {
    $destination = FALSE;
  }

  // Preset custom error message if requested.
  if ($form_state
    ->getValue('error_message')) {
    $this->messenger
      ->addError($form_state
      ->getValue('error_message'));
  }

  // Setup validators.
  $validators = [];
  if ($form_state
    ->getValue('is_image_file')) {
    $validators['file_validate_is_image'] = [];
  }
  $allow = $form_state
    ->getValue('allow_all_extensions');
  if ($allow === 'empty_array') {
    $validators['file_validate_extensions'] = [];
  }
  elseif ($allow === 'empty_string') {
    $validators['file_validate_extensions'] = [
      '',
    ];
  }
  elseif (!$form_state
    ->isValueEmpty('extensions')) {
    $validators['file_validate_extensions'] = [
      $form_state
        ->getValue('extensions'),
    ];
  }

  // The test for \Drupal::service('file_system')->moveUploadedFile()
  // triggering a warning is unavoidable. We're interested in what happens
  // afterwards in _file_save_upload_from_form().
  if ($this->state
    ->get('file_test.disable_error_collection')) {
    define('SIMPLETEST_COLLECT_ERRORS', FALSE);
  }
  $form['file_test_upload']['#upload_validators'] = $validators;
  $form['file_test_upload']['#upload_location'] = $destination;
  $this->messenger
    ->addStatus($this
    ->t('Number of error messages before _file_save_upload_from_form(): @count.', [
    '@count' => count($this->messenger
      ->messagesByType(MessengerInterface::TYPE_ERROR)),
  ]));
  $file = _file_save_upload_from_form($form['file_test_upload'], $form_state, 0, $form_state
    ->getValue('file_test_replace'));
  $this->messenger
    ->addStatus($this
    ->t('Number of error messages after _file_save_upload_from_form(): @count.', [
    '@count' => count($this->messenger
      ->messagesByType(MessengerInterface::TYPE_ERROR)),
  ]));
  if ($file) {
    $form_state
      ->setValue('file_test_upload', $file);
    $this->messenger
      ->addStatus($this
      ->t('File @filepath was uploaded.', [
      '@filepath' => $file
        ->getFileUri(),
    ]));
    $this->messenger
      ->addStatus($this
      ->t('File name is @filename.', [
      '@filename' => $file
        ->getFilename(),
    ]));
    $this->messenger
      ->addStatus($this
      ->t('File MIME type is @mimetype.', [
      '@mimetype' => $file
        ->getMimeType(),
    ]));
    $this->messenger
      ->addStatus($this
      ->t('You WIN!'));
  }
  elseif ($file === FALSE) {
    $this->messenger
      ->addError($this
      ->t('Epic upload FAIL!'));
  }
}