refactor: add phpstan and update code to adhere to level 5

- move and refactor Image.php from Libraries to Entities folder
- update some database field names
/ types
- update composer packages

app/Controllers/Admin/MyAccountController.php

@@ -0,0 +1,73 @@
+<?php
+
+/**
+ * @copyright  2020 Podlibre
+ * @license    https://www.gnu.org/licenses/agpl-3.0.en.html AGPL3
+ * @link       https://castopod.org/
+ */
+
+namespace App\Controllers\Admin;
+
+use Config\Services;
+use App\Models\UserModel;
+
+class MyAccountController extends BaseController
+{
+    public function index()
+    {
+        return view('admin/my_account/view');
+    }
+
+    public function changePassword()
+    {
+        helper('form');
+
+        return view('admin/my_account/change_password');
+    }
+
+    public function attemptChange()
+    {
+        $auth = Services::authentication();
+        $userModel = new UserModel();
+
+        // Validate here first, since some things,
+        // like the password, can only be validated properly here.
+        $rules = [
+            'password' => 'required',
+            'new_password' => 'required|strong_password|differs[password]',
+        ];
+
+        if (!$this->validate($rules)) {
+            return redirect()
+                ->back()
+                ->withInput()
+                ->with('errors', $userModel->errors());
+        }
+
+        $credentials = [
+            'email' => user()->email,
+            'password' => $this->request->getPost('password'),
+        ];
+
+        if (!$auth->validate($credentials)) {
+            return redirect()
+                ->back()
+                ->withInput()
+                ->with('error', lang('MyAccount.messages.wrongPasswordError'));
+        }
+
+        user()->password = $this->request->getPost('new_password');
+
+        if (!$userModel->update(user_id(), user())) {
+            return redirect()
+                ->back()
+                ->withInput()
+                ->with('errors', $userModel->errors());
+        }
+
+        // Success!
+        return redirect()
+            ->back()
+            ->with('message', lang('MyAccount.messages.passwordChangeSuccess'));
+    }
+}