function permissions_by_term_allowed in Permissions by Term 7

Implements permissions_by_term_allowed().

5 calls to permissions_by_term_allowed()

permissions_by_term_form_alter in ./permissions_by_term.module

Implements hook_form_alter().

permissions_by_term_node_access in ./permissions_by_term.module

Implements hook_node_access().

permissions_by_term_views_post_execute in ./permissions_by_term.module

Implements hook_views_post_execute().

_permissions_by_term_remove_disallowed_term_matches in ./permissions_by_term.module

Removes disallowed term matches by reference.

_permissions_by_term_remove_restricted_items_in_select_field in ./permissions_by_term.module

Removes restricted items in select field.

File

./permissions_by_term.module, line 358

Allows access to terms in a vocabulary to be limited by user or role.

Code

function permissions_by_term_allowed($tid, $user) {
  if ($user->uid == 1) {
    return TRUE;
  }

  // Are permissions enabled on this term?
  if (!(db_query("SELECT COUNT(1) FROM {permissions_by_term_user} WHERE tid = :tid", array(
    ':tid' => $tid,
  ))
    ->fetchField() || db_query("SELECT COUNT(1) FROM {permissions_by_term_role} WHERE tid = :tid", array(
    ':tid' => $tid,
  ))
    ->fetchField())) {
    return TRUE;
  }

  /* Permissions are enabled, check to see if this user or one of their roles
    is allowed.
     */
  $user_roles = array_keys($user->roles);
  $i = 0;
  while (isset($user_roles[$i])) {
    if (db_query("SELECT uid FROM {permissions_by_term_user} WHERE tid = :tid AND uid = :uid", array(
      ':tid' => $tid,
      ':uid' => $user->uid,
    ))
      ->fetchField() || db_query("SELECT rid FROM {permissions_by_term_role} WHERE tid = :tid AND rid IN (:user_roles)", array(
      ':tid' => $tid,
      ':user_roles' => $user_roles[$i],
    ))
      ->fetchField()) {
      return TRUE;
    }
    $i++;
  }
  return FALSE;
}