private function iterateSaveMessages()
{
$old = clone $this->state;
$newest = intval($this->state->messages_newest);
$stub = new Yammer_notice_stub();
if ($newest) {
$stub->whereAdd('id > ' . $newest);
}
$stub->limit(20);
$stub->orderBy('id');
$stub->find();
if ($stub->N == 0) {
common_log(LOG_INFO, "Finished saving Yammer messages; import complete!");
$this->state->state = 'done';
} else {
while ($stub->fetch()) {
$item = $stub->getData();
$notice = $this->importer->importNotice($item);
common_log(LOG_INFO, "Imported Yammer notice " . $item['id'] . " as {$notice->id}");
$newest = $item['id'];
}
$this->state->messages_newest = $newest;
}
$this->state->modified = common_sql_now();
$this->state->update($old);
return true;
}