/**
* Get the ID prefix for AWS documents
*
* @return string
*/
public static function get_document_id_prefix()
{
// generate prefix if we haven't already
if (empty(self::$document_id_prefix)) {
if (is_multisite()) {
$site = get_current_site();
self::$document_id_prefix = $site->id;
} else {
self::$document_id_prefix = 1;
}
self::$document_id_prefix .= '_' . get_current_blog_id() . '_';
self::$document_id_prefix = apply_filters('lift_document_id_prefix', self::$document_id_prefix);
}
return self::$document_id_prefix;
}
/**
* Pulls the next set of items from the queue and sends a batch from it
* Callback for Batch Submission Cron
*
* @todo Add locking
*/
public static function send_next_batch()
{
if (!self::ready_for_batch(Lift_Search::get_search_domain_name())) {
delete_transient(self::BATCH_LOCK);
Lift_Search::event_log('CloudSearch Not Ready for Batch ' . time(), 'The batch is locked or the search domain is either currently processing, needs indexing, or your domain does not have indexes set up.', array('send-queue', 'response-false', 'notice'));
return;
}
$lock_key = md5(uniqid(microtime() . mt_rand(), true));
if (!get_transient(self::BATCH_LOCK)) {
set_transient(self::BATCH_LOCK, $lock_key, 300);
}
if (get_transient(self::BATCH_LOCK) !== $lock_key) {
//another cron has this lock
return;
}
update_option(self::LAST_CRON_TIME_OPTION, time());
$closed_queue_id = Lift_Document_Update_Queue::get_closed_queue_id();
$update_query = Lift_Document_Update_Queue::query_updates(array('per_page' => self::get_queue_all_set_size(), 'queue_ids' => array($closed_queue_id)));
if (!count($update_query->meta_rows)) {
//no documents queued up
Lift_Document_Update_Queue::close_active_queue();
delete_transient(self::BATCH_LOCK);
return;
}
$batch = new Lift_Batch();
$batched_meta_keys = array();
$blog_id = get_current_blog_id();
$site_id = lift_get_current_site_id();
foreach ($update_query->meta_rows as $meta_row) {
$update_data = get_post_meta($meta_row->post_id, $meta_row->meta_key, true);
if ($update_data['document_type'] == 'post') {
$action = $update_data['action'];
if ($action == 'add') {
$post = get_post($update_data['document_id'], ARRAY_A);
$post_data = array('ID' => $update_data['document_id'], 'blog_id' => $blog_id, 'site_id' => $site_id);
foreach (Lift_Search::get_indexed_post_fields($post['post_type']) as $field) {
$post_data[$field] = isset($post[$field]) ? $post[$field] : null;
}
$sdf_field_data = apply_filters('lift_post_changes_to_data', $post_data, $update_data['fields'], $update_data['document_id']);
} else {
$sdf_field_data = array('ID' => intval($update_data['document_id']));
}
$sdf_doc = Lift_Posts_To_SDF::format_post((object) $sdf_field_data, array('action' => $action, 'time' => time()));
try {
$batch->add_document((object) $sdf_doc);
$batched_meta_keys[] = $meta_row->meta_key;
} catch (Lift_Batch_Exception $e) {
if (isset($e->errors[0]['code']) && 500 == $e->errors[0]['code']) {
break;
}
Lift_Search::event_log('Batch Add Error ' . time(), json_encode($e), array('batch-add', 'error'));
//@todo log error, stop cron? --- update_option( self::$search_semaphore, 1 );
continue;
}
}
}
//send the batch
$cloud_api = Lift_Search::get_search_api();
if ($r = $cloud_api->sendBatch($batch)) {
if ($r->status === "success") {
$log_title = "Post Queue Sent ";
$tag = 'success';
foreach ($batched_meta_keys as $meta_key) {
delete_post_meta($closed_queue_id, $meta_key);
}
} else {
$log_title = "Post Queue Send Error ";
$tag = 'error';
}
Lift_Search::event_log($log_title . time(), json_encode($r), array('send-queue', 'response-true', $tag));
//@todo delete sent queued items
} else {
$messages = $cloud_api->getErrorMessages();
Lift_Search::event_log('Post Queue Error ' . time(), $messages, array('send-queue', 'response-false', 'error'));
}
delete_transient(self::BATCH_LOCK);
}