/**
* Check to make sure that the array of permissions are valid.
*
* @param $permissions
* Permissions to check.
* @param $reset
* Reset cached available permissions.
* @return
* TRUE or FALSE depending on whether the permissions are valid.
*/
protected function checkPermissions(array $permissions, $reset = FALSE)
{
$available =& backdrop_static(__FUNCTION__);
if (!isset($available) || $reset) {
$available = array_keys(module_invoke_all('permission'));
}
$valid = TRUE;
foreach ($permissions as $permission) {
if (!in_array($permission, $available)) {
$this->fail(t('Invalid permission %permission.', array('%permission' => $permission)), t('Role'));
$valid = FALSE;
}
}
return $valid;
}
/**
* Act before the storage backends update field data.
*
* This hook allows modules to store data before the Field Storage API,
* optionally preventing the field storage module from doing so.
*
* @param $entity_type
* The type of $entity; for example, 'node' or 'user'.
* @param $entity
* The entity with fields to save.
* @param $skip_fields
* An array keyed by field IDs whose data has already been written and
* therefore should not be written again. The values associated with these
* keys are not specified.
* @return
* Saved field IDs are set set as keys in $skip_fields.
*/
function hook_field_storage_pre_update($entity_type, $entity, &$skip_fields)
{
$first_call =& backdrop_static(__FUNCTION__, array());
if ($entity_type == 'node' && $entity->status) {
// We don't maintain data for old revisions, so clear all previous values
// from the table. Since this hook runs once per field, per entity, make
// sure we only wipe values once.
if (!isset($first_call[$entity->nid])) {
$first_call[$entity->nid] = FALSE;
db_delete('custom_index')->condition('nid', $entity->nid)->execute();
}
// Only save data to the table if the node is published.
if ($entity->status) {
$query = db_insert('custom_index')->fields(array('nid', 'title', 'tid', 'sticky', 'created', 'comment_count', 'last_comment_timestamp'));
foreach ($entity->custom as $language) {
foreach ($language as $delta) {
$query->values(array('nid' => $entity->nid, 'title' => $entity->title, 'tid' => $delta['value'], 'sticky' => $entity->sticky, 'created' => $entity->created, 'comment_count' => 0, 'last_comment_timestamp' => $entity->created));
}
}
$query->execute();
}
}
}
