<?php
defined('BASEPATH') OR exit('No direct script access allowed');
class My_GeneralController extends CI_Controller {
    private $CI;
    function __construct(){
        parent::__construct();
        $CI =& get_instance();
        if($this->session->userdata('status') != "login"){
            redirect(base_url("."));
        }else {
            $this->load->model('My_GeneralModel', 'model');
            $this->load->helper('url');
        }


    }

    function generate_number($prefix,$number,$table,$coloumn){
         $last_data         =  $this->model->check_last_data($table,$coloumn);

        if($last_data){
            $replace_data   =  str_replace("$prefix-","",$last_data[0][$coloumn]); // Remoce word "$prefix-"
            $data           = (int)$replace_data;

            //Generate number
            $data_number    = intval($data) + 1;
            $generate       = "$prefix-".str_pad($data_number, $number, '0', STR_PAD_LEFT);
        }
        else {
            //Create Zero Prefix
            $zero = 0;
            $number_min = $number-1;
            $data = sprintf("%0".$number_min."d",$zero);
            $generate       = $prefix."-".$data."1";
        }
        return  $generate;
    }

}