workorder/application/models/Noticeslog_model.php

<?php

class Noticeslog_model extends CI_Model
{
    private $collection_name = 'notices_log';

    public function __construct()
    {
        parent::__construct();
    }

    private $model = array(
        'log_id' => "",
        "type" => "",
        "mobile" => "",
        "recipient" => "",
        "subject" => "",
        "content" => "",
        "status" => "",
        "create_time" => ""
    );

    public function get_model()
    {
        return $this->model;
    }

    public function save_notices_log($notices_log)
    {
        return $this->mongo_db->insert($this->collection_name, $notices_log);
    }

    public function delete_notices_log($log_id)
    {
        return $this->mongo_db->where("log_id", $log_id)->delete($this->collection_name);
    }
}