function commerce_file_system_info_alter in Commerce File 7

Implements hook_system_info_alter().

• Temporary fix to address field module not allowing disabling this module if there are still fields of this field type. Fix depends on commerce_file_update_7102().
• @todo remove this when split into separate modules

See also

http://drupal.org/node/1309140

File

./commerce_file.module, line 632

Provides integration of file licenses with Commerce

Code

function commerce_file_system_info_alter(&$info, $file, $type) {
  if ($type == 'module' && $file->name == 'commerce_file') {

    // @ref field_system_info_alter()
    $fields = field_read_fields(array(
      'module' => $file->name,
    ), array(
      'include_deleted' => TRUE,
    ));
    if ($fields) {

      // remove fields controlled by this module
      $controlled_fields = _commerce_file_get_field_names();
      foreach ($fields as $field_id => $field) {
        if (in_array($field['field_name'], $controlled_fields)) {
          unset($fields[$field_id]);
        }
      }

      // if no more fields, then undo field module
      if (empty($fields)) {
        unset($info['explanation'], $info['required']);
      }
    }
  }
}