function node_registration_node_access in Node registration 7

Implements hook_node_access().

Ignores existing node access permissions and creates a few new.

10 calls to node_registration_node_access()

node_registration_access in includes/node_registration.api.inc

All Registration access callbacks. Just like node.module has node_access.

node_registration_block_view in ./node_registration.module

Implements hook_block_view().

node_registration_entity_view in ./node_registration.module

Implements hook_entity_view().

node_registration_form in includes/node_registration.forms.inc

The registration form. It takes a (mandatory) existing or empty registration object.

node_registration_form_node_form_alter in ./node_registration.module

Implements hook_form_FORM_ID_alter() for node_form().

... See full list

3 string references to 'node_registration_node_access'

node_registration_menu in ./node_registration.module

Implements hook_menu().

node_registration_menu_alter in ./node_registration.module

Implements hook_menu_alter().

node_registration_preprocess_page in ./node_registration.module

Implements hook_preprocess_page().

File

includes/node_registration.api.inc, line 322

Registration API functions.

Code

function node_registration_node_access($node, $op, $account = NULL, &$reason = NULL) {
  if (!in_array($op, array(
    'register',
    'register others',
    'administer',
    'registered',
    'registration settings',
  ))) {
    return;
  }
  global $user;
  $account or $account = $user;
  if (!is_object($node)) {
    $node = node_load((string) $node);
    if (!is_object($node)) {
      return;
    }
  }
  $nid = empty($node->nid) ? 0 : $node->nid;
  $nid_key = $nid ?: $node->type;
  $reasons =& drupal_static(__FUNCTION__ . ':reasons');
  $cache_key = __FUNCTION__ . ':' . $nid_key . ':' . $op . ':' . $account->uid;
  $access = _node_registration_cache($cache_key, function () use ($cache_key, $node, $nid, $op, $account, &$reason) {
    switch ($op) {
      case 'register':
        $registration = entity_get_controller('node_registration')
          ->create(array(
          'nid' => $nid,
        ));
        return node_registration_access($registration, 'add', $account, $reason);
        break;
      case 'register others':
        return user_access('other node registration', $account) || node_registration_node_access($node, 'administer');
        break;
      case 'administer':
        return user_access('administer node registration', $account);
        break;
      case 'registered':
        return ($registration = _node_registration_user_registered($node, $account)) && node_registration_access($registration, 'view', $account, $reason);
        break;
      case 'registration settings':
        return _node_registration_node_type_enabled($node->type) && user_access('administer node registration', $account);
        break;
    }
    return FALSE;
  }, function ($result, $cache_key) use ($node, $op, $account, &$reason) {

    // Allow other modules to override and change this result.
    $reason or $reason = $result ? '' : '?';
    $alt_access = module_invoke_all('node_registration_node_access', $node, $op, $account, $reason);
    if (in_array(!$result, $alt_access, TRUE)) {
      return !$result;
    }
    return $result;
  });
  if ($reason) {
    $reasons[$cache_key] = $reason;
  }
  else {
    $reason = @$reasons[$cache_key];
  }
  return $access;
}