iflrandevu/application/controllers/About.php

<?php defined('BASEPATH') or exit('No direct script access allowed');

/* ----------------------------------------------------------------------------
 * Easy!Appointments - Online Appointment Scheduler
 *
 * @package     EasyAppointments
 * @author      A.Tselegidis <alextselegidis@gmail.com>
 * @copyright   Copyright (c) Alex Tselegidis
 * @license     https://opensource.org/licenses/GPL-3.0 - GPLv3
 * @link        https://easyappointments.org
 * @since       v1.5.0
 * ---------------------------------------------------------------------------- */

/**
 * About controller.
 *
 * Handles about settings related operations.
 *
 * @package Controllers
 */
class About extends EA_Controller {
    /**
     * About constructor.
     */
    public function __construct()
    {
        parent::__construct();

        $this->load->model('appointments_model');
        $this->load->model('customers_model');
        $this->load->model('services_model');
        $this->load->model('providers_model');
        $this->load->model('roles_model');
        $this->load->model('settings_model');

        $this->load->library('accounts');
        $this->load->library('google_sync');
        $this->load->library('notifications');
        $this->load->library('synchronization');
        $this->load->library('timezones');
    }

    /**
     * Render the settings page.
     */
    public function index()
    {
        session(['dest_url' => site_url('about')]);

        $user_id = session('user_id');
        
        if (cannot('view', PRIV_USER_SETTINGS))
        {
            if ($user_id)
            {
                abort(403, 'Forbidden');
            }

            redirect('login');

            return;
        }

        $role_slug = session('role_slug');

        script_vars([
            'user_id' => $user_id,
            'role_slug' => $role_slug,
        ]);

        html_vars([
            'page_title' => lang('settings'),
            'active_menu' => PRIV_SYSTEM_SETTINGS,
            'user_display_name' => $this->accounts->get_user_display_name($user_id),
            'privileges' => $this->roles_model->get_permissions_by_slug($role_slug),
        ]);

        $this->load->view('pages/about');
    }
}