AlgoliaSearch\Laravel\AlgoliaEloquentTrait::_reindex PHP Method

    public function _reindex($safe = true, $setSettings = true, $mergeOldSettings = false, \Closure $onInsert = null)
    {
        /** @var \AlgoliaSearch\Laravel\ModelHelper $modelHelper */
        $modelHelper = App::make('\\AlgoliaSearch\\Laravel\\ModelHelper');
        $indices = $modelHelper->getIndices($this);
        $indicesTmp = $safe ? $modelHelper->getIndicesTmp($this) : $indices;
        if ($setSettings === true) {
            $setToTmpIndices = $safe === true;
            $this->_setSettings($setToTmpIndices, $mergeOldSettings);
        }
        static::chunk(100, function ($models) use($indicesTmp, $modelHelper, $onInsert) {
            /** @var \AlgoliaSearch\Index $index */
            foreach ($indicesTmp as $index) {
                $records = [];
                $recordsAsEntity = [];
                foreach ($models as $model) {
                    if ($modelHelper->indexOnly($model, $index->indexName)) {
                        $records[] = $model->getAlgoliaRecordDefault($index->indexName);
                        if ($onInsert && is_callable($onInsert)) {
                            $recordsAsEntity[] = $model;
                        }
                    }
                }
                $index->addObjects($records);
                if ($onInsert && is_callable($onInsert)) {
                    call_user_func_array($onInsert, [$recordsAsEntity]);
                }
            }
        });
        if ($safe) {
            for ($i = 0; $i < count($indices); $i++) {
                $modelHelper->algolia->moveIndex($indicesTmp[$i]->indexName, $indices[$i]->indexName);
            }
            $this->_setSettings(false);
            // To a setSettings to set the slave on the master
        }
    }