application/controllers/Installation.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       v1.1.0
 * ---------------------------------------------------------------------------- */

/**
 * Installation controller.
 *
 * Handles the installation related operations.
 *
 * @package Controllers
 */
class Installation extends EA_Controller
{
    /**
     * Installation constructor.
     */
    public function __construct()
    {
        parent::__construct();

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

        $this->load->library('instance');
    }

    /**
     * Display the installation page.
     */
    public function index(): void
    {
        if (is_app_installed()) {
            redirect();
            return;
        }

        $this->load->view('pages/installation', [
            'base_url' => config('base_url'),
        ]);
    }

    /**
     * Installs Easy!Appointments on the server.
     */
    public function perform(): void
    {
        try {
            if (is_app_installed()) {
                return;
            }

            $admin = request('admin');
            $company = request('company');

            $this->instance->migrate();

            // Insert admin
            $admin['timezone'] = date_default_timezone_get();
            $admin['settings']['username'] = $admin['username'];
            $admin['settings']['password'] = $admin['password'];
            $admin['settings']['notifications'] = true;
            $admin['settings']['calendar_view'] = CALENDAR_VIEW_DEFAULT;
            unset($admin['username'], $admin['password']);
            $admin['id'] = $this->admins_model->save($admin);

            session([
                'user_id' => $admin['id'],
                'user_email' => $admin['email'],
                'role_slug' => DB_SLUG_ADMIN,
                'language' => $admin['language'],
                'timezone' => $admin['timezone'],
                'username' => $admin['settings']['username'],
            ]);

            // Save company settings
            setting([
                'company_name' => $company['company_name'],
                'company_email' => $company['company_email'],
                'company_link' => $company['company_link'],
            ]);

            // Service
            $service_id = $this->services_model->save([
                'name' => 'Service',
                'duration' => '30',
                'price' => '0',
                'currency' => '',
                'availabilities_type' => 'flexible',
                'attendants_number' => '1',
            ]);

            // Provider
            $this->providers_model->save([
                'first_name' => 'Jane',
                'last_name' => 'Doe',
                'email' => 'jane@example.org',
                'phone_number' => '+1 (000) 000-0000',
                'services' => [$service_id],
                'language' => $admin['language'],
                'timezone' => $admin['timezone'],
                'settings' => [
                    'username' => 'janedoe',
                    'password' => random_string(),
                    'working_plan' => setting('company_working_plan'),
                    'notifications' => true,
                    'google_sync' => false,
                    'sync_past_days' => 30,
                    'sync_future_days' => 90,
                    'calendar_view' => CALENDAR_VIEW_DEFAULT,
                ],
            ]);

            // Customer
            $this->customers_model->save([
                'first_name' => 'James',
                'last_name' => 'Doe',
                'email' => 'james@example.org',
                'phone_number' => '+1 (000) 000-0000',
            ]);

            json_response([
                'success' => true,
            ]);
        } catch (Throwable $e) {
            json_exception($e);
        }
    }
}
