diff --git a/app/Model/Date.php b/app/Model/Date.php
new file mode 100644
index 0000000..2c8a127
--- /dev/null
+++ b/app/Model/Date.php
@@ -0,0 +1,38 @@
+<?php declare(strict_types=1);
+
+namespace Nischcodes\Shiftcalc\App\Model;
+
+/**
+ * Date 
+ * 
+ * date model for this application
+ *
+ * PHP version 8.4 or higher
+ *
+ * LICENSE: GPL-3
+ *
+ * @package    ShiftCalc
+ * @author     nisch.codes <nischcodes@noreply.projects.nisch.codes>
+ * @copyright  2021 nisch.codes
+ * @license    https://projects.nisch.codes/nischcodes/shiftcalc/src/branch/main/LICENSE  GPL-3
+ * @version    1.0.0
+ * @link       https://projects.nisch.codes/nischcodes/shiftcalc
+ */
+
+use Nischcodes\Shiftcalc\MVC\BaseModel;
+
+class HomeModel extends BaseModel {
+
+    // implement the init function
+    public function init() {
+        echo "HomeModel init";
+    }
+
+    // implement the load function
+    public function load() {
+        $this->repository = [
+            ['date' => '01/01/2025', 'start' => '', 'end' => '', 'sdec' => 0, 'edec' => 0, 'worktime' => 8, 'break' => 0, 'worktime_total' => 8, 'info' => 'Holiday', 'desc' => 'First Example Holiday'],
+            ['date' => '03/05/2025', 'start' => '', 'end' => '', 'sdec' => 0, 'edec' => 0, 'worktime' => 8, 'break' => 0, 'worktime_total' => 8, 'info' => 'Holiday', 'desc' => 'Second Example Holiday']
+        ];
+    }
+}
\ No newline at end of file
diff --git a/app/Model/HomeModel.php b/app/Model/HomeModel.php
index 330a15c..e138098 100644
--- a/app/Model/HomeModel.php
+++ b/app/Model/HomeModel.php
@@ -21,22 +21,18 @@ namespace Nischcodes\Shiftcalc\App\Model;
 
 use Nischcodes\Shiftcalc\MVC\BaseModel;
 
-class HomeModel implements BaseModel {
-
-    protected $repository = [];
+class HomeModel extends BaseModel {
 
     // implement the init function
     public function init() {
         echo "HomeModel init";
     }
 
-    // implement the getAll function
-    public function getAll() {
-        return $this->repository;
-    }
-
-    // implement the get function
-    public function get($index){
-        return $this->repository[$index];
+    // implement the load function
+    public function load() {
+        $this->repository = [
+            ['date' => '01/01/2025', 'start' => '', 'end' => '', 'sdec' => 0, 'edec' => 0, 'worktime' => 8, 'break' => 0, 'worktime_total' => 8, 'info' => 'Holiday', 'desc' => 'First Example Holiday'],
+            ['date' => '03/05/2025', 'start' => '', 'end' => '', 'sdec' => 0, 'edec' => 0, 'worktime' => 8, 'break' => 0, 'worktime_total' => 8, 'info' => 'Holiday', 'desc' => 'Second Example Holiday']
+        ];
     }
 }
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 605b91b..c48d565 100644
--- a/composer.json
+++ b/composer.json
@@ -15,5 +15,8 @@
             "email": "nischcodes@noreply.projects.nisch.codes"
         }
     ],
-    "require": {}
+    "require": {},
+    "scripts": {
+        "serve": "php -S 127.0.0.1:8000 -t public"
+    }
 }
diff --git a/src/MVC/BaseController.php b/src/MVC/BaseController.php
index eb15d58..03f7102 100644
--- a/src/MVC/BaseController.php
+++ b/src/MVC/BaseController.php
@@ -17,7 +17,7 @@ namespace Nischcodes\Shiftcalc\MVC;
  * @link       https://projects.nisch.codes/nischcodes/shiftcalc
  */
 
-class BaseController {
+abstract class BaseController {
     
     public function __construct(
         protected BaseModel $model,
diff --git a/src/MVC/BaseModel.php b/src/MVC/BaseModel.php
index 4dac8d4..7d854e4 100644
--- a/src/MVC/BaseModel.php
+++ b/src/MVC/BaseModel.php
@@ -17,8 +17,20 @@ namespace Nischcodes\Shiftcalc\MVC;
  * @link       https://projects.nisch.codes/nischcodes/shiftcalc
  */
 
-interface BaseModel {
-    public function init();
-    public function getAll();
-    public function get($index);
+abstract class BaseModel {
+
+    protected $repository = [];
+
+    abstract public function init();
+    abstract public function load();
+    
+    // implement the getAll function
+    public function getAll() {
+        return $this->repository;
+    }
+
+    // implement the get function
+    public function get($index){
+        return $this->repository[$index];
+    }
 }
\ No newline at end of file
diff --git a/src/MVC/BaseView.php b/src/MVC/BaseView.php
index e6ddfdf..f06a3f9 100644
--- a/src/MVC/BaseView.php
+++ b/src/MVC/BaseView.php
@@ -17,8 +17,8 @@ namespace Nischcodes\Shiftcalc\MVC;
  * @link       https://projects.nisch.codes/nischcodes/shiftcalc
  */
 
-interface BaseView {
+abstract class BaseView {
     
-    public function render($data);
+    abstract public function render($data);
     
 }
\ No newline at end of file