first commit

application/controllers/Update.php

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+<?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
+ * ---------------------------------------------------------------------------- */
+
+/**
+ * Update controller.
+ *
+ * Handles the update related operations.
+ *
+ * @package Controllers
+ */
+class Update extends EA_Controller
+{
+    /**
+     * Update 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');
+    }
+
+    /**
+     * This method will update the instance to the latest available version in the server.
+     *
+     * IMPORTANT: The code files must exist in the server, this method will not fetch any new files but will update
+     * the database schema.
+     *
+     * This method can be used either by loading the page in the browser or by an ajax request. But it will answer with
+     * JSON encoded data.
+     */
+    public function index(): void
+    {
+        try {
+            $user_id = session('user_id');
+
+            if (cannot('edit', PRIV_SYSTEM_SETTINGS)) {
+                if ($user_id) {
+                    abort(403, 'Forbidden');
+                }
+
+                redirect('login');
+
+                return;
+            }
+
+            $this->instance->migrate();
+
+            $view = ['success' => true];
+        } catch (Throwable $e) {
+            $view = ['success' => false, 'exception' => $e->getMessage()];
+        }
+
+        html_vars($view);
+
+        $this->load->view('pages/update');
+    }
+}