/**
* Assigns a role to a user at the specified context
*
* @throws Exception
* @param array $data
* @return void
*/
protected function process_role_assign($data)
{
if (empty($data['roleid'])) {
throw new Exception('\'role assigns\' requires the field \'role\' to be specified');
}
if (!isset($data['userid'])) {
throw new Exception('\'role assigns\' requires the field \'user\' to be specified');
}
if (empty($data['contextlevel'])) {
throw new Exception('\'role assigns\' requires the field \'contextlevel\' to be specified');
}
if (!isset($data['reference'])) {
throw new Exception('\'role assigns\' requires the field \'reference\' to be specified');
}
// Getting the context id.
$context = $this->get_context($data['contextlevel'], $data['reference']);
$this->datagenerator->role_assign($data['roleid'], $data['userid'], $context->id);
}