function bibcite_entity_query_bibcite_reference_access_alter in Bibliography & Citation 8

Same name and namespace in other branches

1. 2.0.x modules/bibcite_entity/bibcite_entity.module \bibcite_entity_query_bibcite_reference_access_alter()

Implements hook_query_TAG_alter().

File

modules/bibcite_entity/bibcite_entity.module, line 97

Module hooks.

Code

function bibcite_entity_query_bibcite_reference_access_alter(AlterableInterface $query) {

  // Read meta-data from query, if provided.
  if (!($account = $query
    ->getMetaData('account'))) {
    $account = \Drupal::currentUser();
  }
  if (!($op = $query
    ->getMetaData('op'))) {
    $op = 'view';
  }

  // Not alter query if admin or if operation isn't 'view'.
  if ($account
    ->hasPermission('administer bibcite') || $op !== 'view') {
    return;
  }
  $base_table = $query
    ->getMetaData('base_table');
  if ($base_table) {
    if ($account
      ->hasPermission('view own unpublished bibcite_reference')) {
      $allow_unpublished = TRUE;

      // Construct condition to get unpublished References created by current user (unpublished own condition in next comments).
      $unpublished_condition = $query
        ->andConditionGroup()
        ->condition('base_table.status', 0)
        ->condition('base_table.uid', $account
        ->id());
    }
    if ($account
      ->hasPermission('view bibcite_reference')) {
      $allow_published = TRUE;
    }
    if ($allow_unpublished && $allow_published) {

      // Add conditions to query to get published and unpublished own References.
      $query
        ->condition($query
        ->orConditionGroup()
        ->condition('base_table.status', 1)
        ->condition($unpublished_condition));
    }
    elseif ($allow_published) {

      // Add condition to get only published References.
      $query
        ->condition('base_table.status', 1);
    }
    elseif ($allow_unpublished) {

      // Add condition to get unpublished own References.
      $query
        ->condition($unpublished_condition);
    }
    else {

      // Return nothing by limit 0 if user has no permissions.
      $query
        ->range(0, 0);
    }
  }
}