BBnepal-Accounts/account/application/controllers/inventory/Reports.php

<?php
defined('BASEPATH') or exit('No direct script access allowed');
class Reports extends CI_Controller
{
    function __construct()
    {
        parent::__construct();
        $this->load->model('MStocks');
        $this->load->model('MSales');
        $this->load->model('MPurchases');
        checkLogin();
    }
    public function _remap($alias = "", $params = array())
    {
        $data['dataValue'] = $this->session;
        $data['pageTitle'] = "Sales";
        switch ($alias) {
            case 'purchase_vs_sales':
                $data['StockRecords']=$this->MStocks->getStockRecords();
                $data['PurchaseDetails'] = $this->MPurchases->getItemPurchases();
                $data['SalesDetails'] = $this->MSales->getItemSales();
                $data['StockItems'] = $this->MStocks->getStockSummary();
                loadview("inventory/reports/purchase_vs_sales", $data);
                break;
            default:
        }
    }
}