App\Console\Commands\CheckData::checkBlankInvoiceHistory PHP Method

    private function checkBlankInvoiceHistory()
    {
        $count = DB::table('activities')->where('activity_type_id', '=', 5)->where('json_backup', '=', '')->where('id', '>', 858720)->count();
        if ($count > 0) {
            $this->isValid = false;
        }
        $this->logMessage($count . ' activities with blank invoice backup');
    }