implemented theme changer

web/pages/settings/controller.php

@@ -0,0 +1,34 @@
+<?php
+
+class Settings extends Page {
+    
+        function index()
+        {
+            $this->set('userdata', $_SESSION['user']->data);
+            $this->set('template', "settings.html");
+        }
+    
+        function edit()
+        {
+            $theme = $_REQUEST['theme'];
+            switch($theme)
+            {
+                case 'light':
+                case 'dark':
+                    $_SESSION['user']->data['theme'] = $theme;
+                    $_SESSION['user']->save();
+                    $this->redirect('/settings');
+                    break;
+                default:
+                    return partial('error.html', ['errorMessage' => 'Dieses Theme existiert nicht']);
+            }
+            
+            
+        }
+
+        function maySeeThisPage(){
+            if($_SESSION['user'])
+                return true;
+            else return false;
+        }
+}

web/pages/settings/settings.html

@@ -0,0 +1,13 @@
+<form hx-post="/settings/edit" hx-target="#response">
+    <div>
+        <label for="theme">Farbschema</label>
+        <select name="theme">
+            <option value="light" <?= $_SESSION['user']->data['theme']=='light'?'selected':''; ?>>Hell</option>
+            <option value="dark" <?= $_SESSION['user']->data['theme']=='dark'?'selected':''; ?>>Dunkel</option>
+        </select>
+    </div>
+
+    <div id="response"></div>
+
+    <button type="submit" name="submit" value="true" class="btn btn-primary">Speichern</button>
+</form>