slider module move to app_modules

kernel/app_modules/slider/services/SliderService.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace kernel\app_modules\slider\services;
+
+use kernel\app_modules\slider\models\Slider;
+use kernel\helpers\Debug;
+use kernel\helpers\Slug;
+use kernel\modules\post\models\Post;
+use kernel\FormModel;
+
+class SliderService
+{
+    public function create(FormModel $form_model): false|Slider
+    {
+        $model = new Slider();
+        $model->title = $form_model->getItem('title');
+        $model->content = $form_model->getItem('content');
+        $model->additional_information = $form_model->getItem('additional_information');
+        $model->link = $form_model->getItem('link');
+        if ($model->save()){
+            return $model;
+        }
+
+        return false;
+    }
+
+    public function update(FormModel $form_model, Slider $slider): false|Slider
+    {
+        $slider->title = $form_model->getItem('title');
+        $slider->content = $form_model->getItem('content');
+        $slider->additional_information = $form_model->getItem('additional_information');
+        $slider->link = $form_model->getItem('link');
+        if ($slider->save()){
+            return $slider;
+        }
+
+        return false;
+    }
+}