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function filefield_source_attach_value in FileField Sources 7

Same name and namespace in other branches
  1. 6 sources/attach.inc \filefield_source_attach_value()

A #filefield_value_callback function.

1 string reference to 'filefield_source_attach_value'
filefield_source_attach_info in sources/attach.inc
Implements hook_filefield_source_info().

File

sources/attach.inc, line 221
A FileField extension to allow use of files within a server directory.

Code

function filefield_source_attach_value($element, &$item) {
  if (!empty($item['filefield_attach']['filename'])) {
    $instance = field_info_instance($element['#entity_type'], $element['#field_name'], $element['#bundle']);
    $filepath = $item['filefield_attach']['filename'];

    // Check that the destination is writable.
    $directory = $element['#upload_location'];
    $mode = variable_get('file_chmod_directory', 0775);

    // This first chmod check is for other systems such as S3, which don't work
    // with file_prepare_directory().
    if (!drupal_chmod($directory, $mode) && !file_prepare_directory($directory, FILE_CREATE_DIRECTORY)) {
      watchdog('file', 'File %file could not be copied, because the destination directory %destination is not configured correctly.', array(
        '%file' => $filepath,
        '%destination' => drupal_realpath($directory),
      ));
      drupal_set_message(t('The specified file %file could not be copied, because the destination directory is not properly configured. This may be caused by a problem with file or directory permissions. More information is available in the system log.', array(
        '%file' => $filepath,
      )), 'error');
      return;
    }

    // Clean up the file name extensions and transliterate.
    $original_filepath = $filepath;
    $new_filepath = filefield_sources_clean_filename($filepath, $instance['settings']['file_extensions']);
    rename($filepath, $new_filepath);
    $filepath = $new_filepath;

    // Run all the normal validations, minus file size restrictions.
    $validators = $element['#upload_validators'];
    if (isset($validators['file_validate_size'])) {
      unset($validators['file_validate_size']);
    }

    // Save the file to the new location.
    if ($file = filefield_sources_save_file($filepath, $validators, $directory)) {
      $item = array_merge($item, (array) $file);

      // Delete the original file if "moving" the file instead of copying.
      if (drupal_realpath($filepath) !== drupal_realpath($file->uri) && $instance['widget']['settings']['filefield_sources']['source_attach']['attach_mode'] !== 'copy') {
        @unlink($filepath);
      }
    }

    // Restore the original file name if the file still exists.
    if (file_exists($filepath) && $filepath != $original_filepath) {
      rename($filepath, $original_filepath);
    }
    $item['filefield_attach']['filename'] = '';
  }
}